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Commit 8b53c765 authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 

Pull crypto updates from Herbert Xu:
 "API:
   - Add the ability to abort a skcipher walk.

  Algorithms:
   - Fix XTS to actually do the stealing.
   - Add library helpers for AES and DES for single-block users.
   - Add library helpers for SHA256.
   - Add new DES key verification helper.
   - Add surrounding bits for ESSIV generator.
   - Add accelerations for aegis128.
   - Add test vectors for lzo-rle.

  Drivers:
   - Add i.MX8MQ support to caam.
   - Add gcm/ccm/cfb/ofb aes support in inside-secure.
   - Add ofb/cfb aes support in media-tek.
   - Add HiSilicon ZIP accelerator support.

  Others:
   - Fix potential race condition in padata.
   - Use unbound workqueues in padata"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (311 commits)
  crypto: caam - Cast to long first before pointer conversion
  crypto: ccree - enable CTS support in AES-XTS
  crypto: inside-secure - Probe transform record cache RAM sizes
  crypto: inside-secure - Base RD fetchcount on actual RD FIFO size
  crypto: inside-secure - Base CD fetchcount on actual CD FIFO size
  crypto: inside-secure - Enable extended algorithms on newer HW
  crypto: inside-secure: Corrected configuration of EIP96_TOKEN_CTRL
  crypto: inside-secure - Add EIP97/EIP197 and endianness detection
  padata: remove cpu_index from the parallel_queue
  padata: unbind parallel jobs from specific CPUs
  padata: use separate workqueues for parallel and serial work
  padata, pcrypt: take CPU hotplug lock internally in padata_alloc_possible
  crypto: pcrypt - remove padata cpumask notifier
  padata: make padata_do_parallel find alternate callback CPU
  workqueue: require CPU hotplug read exclusion for apply_workqueue_attrs
  workqueue: unconfine alloc/apply/free_workqueue_attrs()
  padata: allocate workqueue internally
  arm64: dts: imx8mq: Add CAAM node
  random: Use wait_event_freezable() in add_hwgenerator_randomness()
  crypto: ux500 - Fix COMPILE_TEST warnings
  ...
parents 6cfae0c2 9575d1a5
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Documentation/ABI/testing/debugfs-hisi-zip 0 → 100644
View file @ 8b53c765
What: /sys/kernel/debug/hisi_zip/<bdf>/comp_core[01]/regs
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
Description: Dump of compression cores related debug registers.
Only available for PF.
What: /sys/kernel/debug/hisi_zip/<bdf>/decomp_core[0-5]/regs
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
Description: Dump of decompression cores related debug registers.
Only available for PF.
What: /sys/kernel/debug/hisi_zip/<bdf>/clear_enable
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
Description: Compression/decompression core debug registers read clear
control. 1 means enable register read clear, otherwise 0.
Writing to this file has no functional effect, only enable or
disable counters clear after reading of these registers.
Only available for PF.
What: /sys/kernel/debug/hisi_zip/<bdf>/current_qm
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
Description: One ZIP controller has one PF and multiple VFs, each function
has a QM. Select the QM which below qm refers to.
Only available for PF.
What: /sys/kernel/debug/hisi_zip/<bdf>/qm/qm_regs
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
Description: Dump of QM related debug registers.
Available for PF and VF in host. VF in guest currently only
has one debug register.
What: /sys/kernel/debug/hisi_zip/<bdf>/qm/current_q
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
Description: One QM may contain multiple queues. Select specific queue to
show its debug registers in above qm_regs.
Only available for PF.
What: /sys/kernel/debug/hisi_zip/<bdf>/qm/clear_enable
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
Description: QM debug registers(qm_regs) read clear control. 1 means enable
register read clear, otherwise 0.
Writing to this file has no functional effect, only enable or
disable counters clear after reading of these registers.
Only available for PF.
Documentation/crypto/crypto_engine.rst
View file @ 8b53c765
.. SPDX-License-Identifier: GPL-2.0
Crypto Engine
=============
......
Documentation/devicetree/bindings/rng/timeriomem_rng.txt
View file @ 8b53c765
......@@ -12,7 +12,7 @@ Optional properties:
which disables using this rng to automatically fill the kernel's
entropy pool.
N.B. currently 'reg' must be four bytes wide and aligned
N.B. currently 'reg' must be at least four bytes wide and 32-bit aligned
Example:
......
Documentation/padata.txt
View file @ 8b53c765
......@@ -16,10 +16,12 @@ overall control of how tasks are to be run::
#include <linux/padata.h>
struct padata_instance *padata_alloc(struct workqueue_struct *wq,
struct padata_instance *padata_alloc(const char *name,
const struct cpumask *pcpumask,
const struct cpumask *cbcpumask);
'name' simply identifies the instance.
The pcpumask describes which processors will be used to execute work
submitted to this instance in parallel. The cbcpumask defines which
processors are allowed to be used as the serialization callback processor.
......@@ -128,8 +130,7 @@ in that CPU mask or about a not running instance.
Each task submitted to padata_do_parallel() will, in turn, be passed to
exactly one call to the above-mentioned parallel() function, on one CPU, so
true parallelism is achieved by submitting multiple tasks. Despite the
fact that the workqueue is used to make these calls, parallel() is run with
true parallelism is achieved by submitting multiple tasks. parallel() runs with
software interrupts disabled and thus cannot sleep. The parallel()
function gets the padata_priv structure pointer as its lone parameter;
information about the actual work to be done is probably obtained by using
......@@ -148,7 +149,7 @@ fact with a call to::
At some point in the future, padata_do_serial() will trigger a call to the
serial() function in the padata_priv structure. That call will happen on
the CPU requested in the initial call to padata_do_parallel(); it, too, is
done through the workqueue, but with local software interrupts disabled.
run with local software interrupts disabled.
Note that this call may be deferred for a while since the padata code takes
pains to ensure that tasks are completed in the order in which they were
submitted.
......@@ -159,5 +160,4 @@ when a padata instance is no longer needed::
void padata_free(struct padata_instance *pinst);
This function will busy-wait while any remaining tasks are completed, so it
might be best not to call it while there is work outstanding. Shutting
down the workqueue, if necessary, should be done separately.
might be best not to call it while there is work outstanding.
MAINTAINERS
View file @ 8b53c765
......@@ -7350,6 +7350,17 @@ S: Supported
F: drivers/scsi/hisi_sas/
F: Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
HISILICON QM AND ZIP Controller DRIVER
M: Zhou Wang <wangzhou1@hisilicon.com>
L: linux-crypto@vger.kernel.org
S: Maintained
F: drivers/crypto/hisilicon/qm.c
F: drivers/crypto/hisilicon/qm.h
F: drivers/crypto/hisilicon/sgl.c
F: drivers/crypto/hisilicon/sgl.h
F: drivers/crypto/hisilicon/zip/
F: Documentation/ABI/testing/debugfs-hisi-zip
HMM - Heterogeneous Memory Management
M: Jérôme Glisse <jglisse@redhat.com>
L: linux-mm@kvack.org
......@@ -7703,7 +7714,7 @@ F: drivers/crypto/nx/nx-aes*
F: drivers/crypto/nx/nx-sha*
F: drivers/crypto/nx/nx.*
F: drivers/crypto/nx/nx_csbcpb.h
F: drivers/crypto/nx/nx_debugfs.h
F: drivers/crypto/nx/nx_debugfs.c
IBM Power Linux RAID adapter
M: Brian King <brking@us.ibm.com>
......
arch/arm/crypto/Kconfig
View file @ 8b53c765
......@@ -82,8 +82,8 @@ config CRYPTO_AES_ARM_BS
tristate "Bit sliced AES using NEON instructions"
depends on KERNEL_MODE_NEON
select CRYPTO_BLKCIPHER
select CRYPTO_LIB_AES
select CRYPTO_SIMD
select CRYPTO_AES
help
Use a faster and more secure NEON based implementation of AES in CBC,
CTR and XTS modes
......
arch/arm/crypto/aes-ce-core.S
View file @ 8b53c765
This diff is collapsed.
arch/arm/crypto/aes-ce-glue.c
View file @ 8b53c765
This diff is collapsed.
arch/arm/crypto/aes-cipher-core.S
View file @ 8b53c765
......@@ -219,43 +219,5 @@ ENDPROC(__aes_arm_encrypt)
.align 5
ENTRY(__aes_arm_decrypt)
do_crypt iround, crypto_it_tab, __aes_arm_inverse_sbox, 0
do_crypt iround, crypto_it_tab, crypto_aes_inv_sbox, 0
ENDPROC(__aes_arm_decrypt)
.section ".rodata", "a"
.align L1_CACHE_SHIFT
.type __aes_arm_inverse_sbox, %object
__aes_arm_inverse_sbox:
.byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
.byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
.byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
.byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
.byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d
.byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
.byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2
.byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
.byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16
.byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
.byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda
.byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
.byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a
.byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
.byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02
.byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
.byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea
.byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
.byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85
.byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
.byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89
.byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
.byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20
.byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
.byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31
.byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
.byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d
.byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
.byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0
.byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
.byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26
.byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
.size __aes_arm_inverse_sbox, . - __aes_arm_inverse_sbox
arch/arm/crypto/aes-cipher-glue.c
View file @ 8b53c765
......@@ -11,12 +11,9 @@
#include <linux/module.h>
asmlinkage void __aes_arm_encrypt(u32 *rk, int rounds, const u8 *in, u8 *out);
EXPORT_SYMBOL(__aes_arm_encrypt);
asmlinkage void __aes_arm_decrypt(u32 *rk, int rounds, const u8 *in, u8 *out);
EXPORT_SYMBOL(__aes_arm_decrypt);
static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
static void aes_arm_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
int rounds = 6 + ctx->key_length / 4;
......@@ -24,7 +21,7 @@ static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
__aes_arm_encrypt(ctx->key_enc, rounds, in, out);
}
static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
static void aes_arm_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
int rounds = 6 + ctx->key_length / 4;
......@@ -44,8 +41,8 @@ static struct crypto_alg aes_alg = {
.cra_cipher.cia_min_keysize = AES_MIN_KEY_SIZE,
.cra_cipher.cia_max_keysize = AES_MAX_KEY_SIZE,
.cra_cipher.cia_setkey = crypto_aes_set_key,
.cra_cipher.cia_encrypt = aes_encrypt,
.cra_cipher.cia_decrypt = aes_decrypt,
.cra_cipher.cia_encrypt = aes_arm_encrypt,
.cra_cipher.cia_decrypt = aes_arm_decrypt,
#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
.cra_alignmask = 3,
......
arch/arm/crypto/aes-neonbs-core.S
View file @ 8b53c765
......@@ -887,19 +887,17 @@ ENDPROC(aesbs_ctr_encrypt)
veor \out, \out, \tmp
.endm
.align 4
.Lxts_mul_x:
.quad 1, 0x87
/*
* aesbs_xts_encrypt(u8 out[], u8 const in[], u8 const rk[], int rounds,
* int blocks, u8 iv[])
* int blocks, u8 iv[], int reorder_last_tweak)
* aesbs_xts_decrypt(u8 out[], u8 const in[], u8 const rk[], int rounds,
* int blocks, u8 iv[])
* int blocks, u8 iv[], int reorder_last_tweak)
*/
__xts_prepare8:
vld1.8 {q14}, [r7] // load iv
__ldr q15, .Lxts_mul_x // load tweak mask
vmov.i32 d30, #0x87 // compose tweak mask vector
vmovl.u32 q15, d30
vshr.u64 d30, d31, #7
vmov q12, q14
__adr ip, 0f
......@@ -946,17 +944,25 @@ __xts_prepare8:
vld1.8 {q7}, [r1]!
next_tweak q14, q12, q15, q13
veor q7, q7, q12
THUMB( itt le )
W(cmple) r8, #0
ble 1f
0: veor q7, q7, q12
vst1.8 {q12}, [r4, :128]
0: vst1.8 {q14}, [r7] // store next iv
vst1.8 {q14}, [r7] // store next iv
bx lr
1: vswp q12, q14
b 0b
ENDPROC(__xts_prepare8)
.macro __xts_crypt, do8, o0, o1, o2, o3, o4, o5, o6, o7
push {r4-r8, lr}
mov r5, sp // preserve sp
ldrd r6, r7, [sp, #24] // get blocks and iv args
ldr r8, [sp, #32] // reorder final tweak?
rsb r8, r8, #1
sub ip, sp, #128 // make room for 8x tweak
bic ip, ip, #0xf // align sp to 16 bytes
mov sp, ip
......
arch/arm/crypto/aes-neonbs-glue.c
View file @ 8b53c765
......@@ -6,10 +6,13 @@
*/
#include <asm/neon.h>
#include <asm/simd.h>
#include <crypto/aes.h>
#include <crypto/cbc.h>
#include <crypto/ctr.h>
#include <crypto/internal/simd.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
#include <crypto/xts.h>
#include <linux/module.h>
......@@ -35,9 +38,9 @@ asmlinkage void aesbs_ctr_encrypt(u8 out[], u8 const in[], u8 const rk[],
int rounds, int blocks, u8 ctr[], u8 final[]);
asmlinkage void aesbs_xts_encrypt(u8 out[], u8 const in[], u8 const rk[],
int rounds, int blocks, u8 iv[]);
int rounds, int blocks, u8 iv[], int);
asmlinkage void aesbs_xts_decrypt(u8 out[], u8 const in[], u8 const rk[],
int rounds, int blocks, u8 iv[]);
int rounds, int blocks, u8 iv[], int);
struct aesbs_ctx {
int rounds;
......@@ -51,9 +54,15 @@ struct aesbs_cbc_ctx {
struct aesbs_xts_ctx {
struct aesbs_ctx key;
struct crypto_cipher *cts_tfm;
struct crypto_cipher *tweak_tfm;
};
struct aesbs_ctr_ctx {
struct aesbs_ctx key; /* must be first member */
struct crypto_aes_ctx fallback;
};
static int aesbs_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
unsigned int key_len)
{
......@@ -61,7 +70,7 @@ static int aesbs_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
struct crypto_aes_ctx rk;
int err;
err = crypto_aes_expand_key(&rk, in_key, key_len);
err = aes_expandkey(&rk, in_key, key_len);
if (err)
return err;
......@@ -83,9 +92,8 @@ static int __ecb_crypt(struct skcipher_request *req,
struct skcipher_walk walk;
int err;
err = skcipher_walk_virt(&walk, req, true);
err = skcipher_walk_virt(&walk, req, false);
kernel_neon_begin();
while (walk.nbytes >= AES_BLOCK_SIZE) {
unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE;
......@@ -93,12 +101,13 @@ static int __ecb_crypt(struct skcipher_request *req,
blocks = round_down(blocks,
walk.stride / AES_BLOCK_SIZE);
kernel_neon_begin();
fn(walk.dst.virt.addr, walk.src.virt.addr, ctx->rk,
ctx->rounds, blocks);
kernel_neon_end();
err = skcipher_walk_done(&walk,
walk.nbytes - blocks * AES_BLOCK_SIZE);
}
kernel_neon_end();
return err;
}
......@@ -120,7 +129,7 @@ static int aesbs_cbc_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
struct crypto_aes_ctx rk;
int err;
err = crypto_aes_expand_key(&rk, in_key, key_len);
err = aes_expandkey(&rk, in_key, key_len);
if (err)
return err;
......@@ -152,9 +161,8 @@ static int cbc_decrypt(struct skcipher_request *req)
struct skcipher_walk walk;
int err;
err = skcipher_walk_virt(&walk, req, true);
err = skcipher_walk_virt(&walk, req, false);
kernel_neon_begin();
while (walk.nbytes >= AES_BLOCK_SIZE) {
unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE;
......@@ -162,13 +170,14 @@ static int cbc_decrypt(struct skcipher_request *req)
blocks = round_down(blocks,
walk.stride / AES_BLOCK_SIZE);
kernel_neon_begin();
aesbs_cbc_decrypt(walk.dst.virt.addr, walk.src.virt.addr,
ctx->key.rk, ctx->key.rounds, blocks,
walk.iv);
kernel_neon_end();
err = skcipher_walk_done(&walk,
walk.nbytes - blocks * AES_BLOCK_SIZE);
}
kernel_neon_end();
return err;
}
......@@ -189,6 +198,25 @@ static void cbc_exit(struct crypto_tfm *tfm)
crypto_free_cipher(ctx->enc_tfm);
}
static int aesbs_ctr_setkey_sync(struct crypto_skcipher *tfm, const u8 *in_key,
unsigned int key_len)
{
struct aesbs_ctr_ctx *ctx = crypto_skcipher_ctx(tfm);
int err;
err = aes_expandkey(&ctx->fallback, in_key, key_len);
if (err)
return err;
ctx->key.rounds = 6 + key_len / 4;
kernel_neon_begin();
aesbs_convert_key(ctx->key.rk, ctx->fallback.key_enc, ctx->key.rounds);
kernel_neon_end();
return 0;
}
static int ctr_encrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
......@@ -197,9 +225,8 @@ static int ctr_encrypt(struct skcipher_request *req)
u8 buf[AES_BLOCK_SIZE];
int err;
err = skcipher_walk_virt(&walk, req, true);
err = skcipher_walk_virt(&walk, req, false);
kernel_neon_begin();
while (walk.nbytes > 0) {
unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE;
u8 *final = (walk.total % AES_BLOCK_SIZE) ? buf : NULL;
......@@ -210,8 +237,10 @@ static int ctr_encrypt(struct skcipher_request *req)
final = NULL;
}
kernel_neon_begin();
aesbs_ctr_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
ctx->rk, ctx->rounds, blocks, walk.iv, final);
kernel_neon_end();
if (final) {
u8 *dst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE;
......@@ -226,11 +255,33 @@ static int ctr_encrypt(struct skcipher_request *req)
err = skcipher_walk_done(&walk,
walk.nbytes - blocks * AES_BLOCK_SIZE);
}
kernel_neon_end();
return err;
}
static void ctr_encrypt_one(struct crypto_skcipher *tfm, const u8 *src, u8 *dst)
{
struct aesbs_ctr_ctx *ctx = crypto_skcipher_ctx(tfm);
unsigned long flags;
/*
* Temporarily disable interrupts to avoid races where
* cachelines are evicted when the CPU is interrupted
* to do something else.
*/
local_irq_save(flags);
aes_encrypt(&ctx->fallback, dst, src);
local_irq_restore(flags);
}
static int ctr_encrypt_sync(struct skcipher_request *req)
{
if (!crypto_simd_usable())
return crypto_ctr_encrypt_walk(req, ctr_encrypt_one);
return ctr_encrypt(req);
}
static int aesbs_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
unsigned int key_len)
{
......@@ -242,6 +293,9 @@ static int aesbs_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
return err;
key_len /= 2;
err = crypto_cipher_setkey(ctx->cts_tfm, in_key, key_len);
if (err)
return err;
err = crypto_cipher_setkey(ctx->tweak_tfm, in_key + key_len, key_len);
if (err)
return err;
......@@ -253,7 +307,13 @@ static int xts_init(struct crypto_tfm *tfm)
{
struct aesbs_xts_ctx *ctx = crypto_tfm_ctx(tfm);
ctx->cts_tfm = crypto_alloc_cipher("aes", 0, 0);
if (IS_ERR(ctx->cts_tfm))
return PTR_ERR(ctx->cts_tfm);
ctx->tweak_tfm = crypto_alloc_cipher("aes", 0, 0);
if (IS_ERR(ctx->tweak_tfm))
crypto_free_cipher(ctx->cts_tfm);
return PTR_ERR_OR_ZERO(ctx->tweak_tfm);
}
......@@ -263,49 +323,89 @@ static void xts_exit(struct crypto_tfm *tfm)
struct aesbs_xts_ctx *ctx = crypto_tfm_ctx(tfm);
crypto_free_cipher(ctx->tweak_tfm);
crypto_free_cipher(ctx->cts_tfm);
}
static int __xts_crypt(struct skcipher_request *req,
static int __xts_crypt(struct skcipher_request *req, bool encrypt,
void (*fn)(u8 out[], u8 const in[], u8 const rk[],
int rounds, int blocks, u8 iv[]))
int rounds, int blocks, u8 iv[], int))
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct aesbs_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
int tail = req->cryptlen % AES_BLOCK_SIZE;
struct skcipher_request subreq;
u8 buf[2 * AES_BLOCK_SIZE];
struct skcipher_walk walk;
int err;
if (req->cryptlen < AES_BLOCK_SIZE)
return -EINVAL;
if (unlikely(tail)) {
skcipher_request_set_tfm(&subreq, tfm);
skcipher_request_set_callback(&subreq,
skcipher_request_flags(req),
NULL, NULL);
skcipher_request_set_crypt(&subreq, req->src, req->dst,
req->cryptlen - tail, req->iv);
req = &subreq;
}
err = skcipher_walk_virt(&walk, req, true);
if (err)
return err;
crypto_cipher_encrypt_one(ctx->tweak_tfm, walk.iv, walk.iv);
kernel_neon_begin();
while (walk.nbytes >= AES_BLOCK_SIZE) {
unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE;
int reorder_last_tweak = !encrypt && tail > 0;
if (walk.nbytes < walk.total)
if (walk.nbytes < walk.total) {
blocks = round_down(blocks,
walk.stride / AES_BLOCK_SIZE);
reorder_last_tweak = 0;
}
kernel_neon_begin();
fn(walk.dst.virt.addr, walk.src.virt.addr, ctx->key.rk,
ctx->key.rounds, blocks, walk.iv);
ctx->key.rounds, blocks, walk.iv, reorder_last_tweak);
kernel_neon_end();
err = skcipher_walk_done(&walk,
walk.nbytes - blocks * AES_BLOCK_SIZE);
}
kernel_neon_end();
return err;
if (err || likely(!tail))
return err;
/* handle ciphertext stealing */
scatterwalk_map_and_copy(buf, req->dst, req->cryptlen - AES_BLOCK_SIZE,
AES_BLOCK_SIZE, 0);
memcpy(buf + AES_BLOCK_SIZE, buf, tail);
scatterwalk_map_and_copy(buf, req->src, req->cryptlen, tail, 0);
crypto_xor(buf, req->iv, AES_BLOCK_SIZE);
if (encrypt)
crypto_cipher_encrypt_one(ctx->cts_tfm, buf, buf);
else
crypto_cipher_decrypt_one(ctx->cts_tfm, buf, buf);
crypto_xor(buf, req->iv, AES_BLOCK_SIZE);
scatterwalk_map_and_copy(buf, req->dst, req->cryptlen - AES_BLOCK_SIZE,
AES_BLOCK_SIZE + tail, 1);
return 0;
}
static int xts_encrypt(struct skcipher_request *req)
{
return __xts_crypt(req, aesbs_xts_encrypt);
return __xts_crypt(req, true, aesbs_xts_encrypt);
}
static int xts_decrypt(struct skcipher_request *req)
{
return __xts_crypt(req, aesbs_xts_decrypt);
return __xts_crypt(req, false, aesbs_xts_decrypt);
}
static struct skcipher_alg aes_algs[] = { {
......@@ -358,6 +458,22 @@ static struct skcipher_alg aes_algs[] = { {
.setkey = aesbs_setkey,
.encrypt = ctr_encrypt,
.decrypt = ctr_encrypt,
}, {
.base.cra_name = "ctr(aes)",
.base.cra_driver_name = "ctr-aes-neonbs-sync",
.base.cra_priority = 250 - 1,
.base.cra_blocksize = 1,
.base.cra_ctxsize = sizeof(struct aesbs_ctr_ctx),
.base.cra_module = THIS_MODULE,
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
.chunksize = AES_BLOCK_SIZE,
.walksize = 8 * AES_BLOCK_SIZE,
.ivsize = AES_BLOCK_SIZE,
.setkey = aesbs_ctr_setkey_sync,
.encrypt = ctr_encrypt_sync,
.decrypt = ctr_encrypt_sync,
}, {
.base.cra_name = "__xts(aes)",
.base.cra_driver_name = "__xts-aes-neonbs",
......
arch/arm/crypto/ghash-ce-glue.c
View file @ 8b53c765
......@@ -9,6 +9,7 @@
#include <asm/neon.h>
#include <asm/simd.h>
#include <asm/unaligned.h>
#include <crypto/b128ops.h>
#include <crypto/cryptd.h>
#include <crypto/internal/hash.h>
#include <crypto/internal/simd.h>
......@@ -17,7 +18,7 @@
#include <linux/crypto.h>
#include <linux/module.h>
MODULE_DESCRIPTION("GHASH secure hash using ARMv8 Crypto Extensions");
MODULE_DESCRIPTION("GHASH hash function using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("ghash");
......@@ -30,6 +31,8 @@ struct ghash_key {
u64 h2[2];
u64 h3[2];
u64 h4[2];
be128 k;
};
struct ghash_desc_ctx {
......@@ -62,6 +65,36 @@ static int ghash_init(struct shash_desc *desc)
return 0;
}
static void ghash_do_update(int blocks, u64 dg[], const char *src,
struct ghash_key *key, const char *head)
{
if (likely(crypto_simd_usable())) {
kernel_neon_begin();
pmull_ghash_update(blocks, dg, src, key, head);
kernel_neon_end();
} else {
be128 dst = { cpu_to_be64(dg[1]), cpu_to_be64(dg[0]) };
do {
const u8 *in = src;
if (head) {
in = head;
blocks++;
head = NULL;
} else {
src += GHASH_BLOCK_SIZE;
}
crypto_xor((u8 *)&dst, in, GHASH_BLOCK_SIZE);
gf128mul_lle(&dst, &key->k);
} while (--blocks);
dg[0] = be64_to_cpu(dst.b);
dg[1] = be64_to_cpu(dst.a);
}
}
static int ghash_update(struct shash_desc *desc, const u8 *src,
unsigned int len)
{
......@@ -85,10 +118,8 @@ static int ghash_update(struct shash_desc *desc, const u8 *src,
blocks = len / GHASH_BLOCK_SIZE;
len %= GHASH_BLOCK_SIZE;
kernel_neon_begin();
pmull_ghash_update(blocks, ctx->digest, src, key,
partial ? ctx->buf : NULL);
kernel_neon_end();
ghash_do_update(blocks, ctx->digest, src, key,
partial ? ctx->buf : NULL);
src += blocks * GHASH_BLOCK_SIZE;
partial = 0;
}
......@@ -106,9 +137,7 @@ static int ghash_final(struct shash_desc *desc, u8 *dst)
struct ghash_key *key = crypto_shash_ctx(desc->tfm);
memset(ctx->buf + partial, 0, GHASH_BLOCK_SIZE - partial);
kernel_neon_begin();
pmull_ghash_update(1, ctx->digest, ctx->buf, key, NULL);
kernel_neon_end();
ghash_do_update(1, ctx->digest, ctx->buf, key, NULL);
}
put_unaligned_be64(ctx->digest[1], dst);
put_unaligned_be64(ctx->digest[0], dst + 8);
......@@ -132,24 +161,25 @@ static int ghash_setkey(struct crypto_shash *tfm,
const u8 *inkey, unsigned int keylen)
{
struct ghash_key *key = crypto_shash_ctx(tfm);
be128 h, k;
be128 h;
if (keylen != GHASH_BLOCK_SIZE) {
crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
memcpy(&k, inkey, GHASH_BLOCK_SIZE);
ghash_reflect(key->h, &k);
/* needed for the fallback */
memcpy(&key->k, inkey, GHASH_BLOCK_SIZE);
ghash_reflect(key->h, &key->k);
h = k;
gf128mul_lle(&h, &k);
h = key->k;
gf128mul_lle(&h, &key->k);
ghash_reflect(key->h2, &h);
gf128mul_lle(&h, &k);
gf128mul_lle(&h, &key->k);
ghash_reflect(key->h3, &h);
gf128mul_lle(&h, &k);
gf128mul_lle(&h, &key->k);
ghash_reflect(key->h4, &h);
return 0;
......@@ -162,15 +192,13 @@ static struct shash_alg ghash_alg = {
.final = ghash_final,
.setkey = ghash_setkey,
.descsize = sizeof(struct ghash_desc_ctx),
.base = {
.cra_name = "__ghash",
.cra_driver_name = "__driver-ghash-ce",
.cra_priority = 0,
.cra_flags = CRYPTO_ALG_INTERNAL,
.cra_blocksize = GHASH_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct ghash_key),
.cra_module = THIS_MODULE,
},
.base.cra_name = "ghash",
.base.cra_driver_name = "ghash-ce-sync",
.base.cra_priority = 300 - 1,
.base.cra_blocksize = GHASH_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct ghash_key),
.base.cra_module = THIS_MODULE,
};
static int ghash_async_init(struct ahash_request *req)
......@@ -285,9 +313,7 @@ static int ghash_async_init_tfm(struct crypto_tfm *tfm)
struct cryptd_ahash *cryptd_tfm;
struct ghash_async_ctx *ctx = crypto_tfm_ctx(tfm);
cryptd_tfm = cryptd_alloc_ahash("__driver-ghash-ce",
CRYPTO_ALG_INTERNAL,
CRYPTO_ALG_INTERNAL);
cryptd_tfm = cryptd_alloc_ahash("ghash-ce-sync", 0, 0);
if (IS_ERR(cryptd_tfm))
return PTR_ERR(cryptd_tfm);
ctx->cryptd_tfm = cryptd_tfm;
......
arch/arm/crypto/sha256_glue.c
View file @ 8b53c765
......@@ -39,7 +39,7 @@ int crypto_sha256_arm_update(struct shash_desc *desc, const u8 *data,
}
EXPORT_SYMBOL(crypto_sha256_arm_update);
static int sha256_final(struct shash_desc *desc, u8 *out)
static int crypto_sha256_arm_final(struct shash_desc *desc, u8 *out)
{
sha256_base_do_finalize(desc,
(sha256_block_fn *)sha256_block_data_order);
......@@ -51,7 +51,7 @@ int crypto_sha256_arm_finup(struct shash_desc *desc, const u8 *data,
{
sha256_base_do_update(desc, data, len,
(sha256_block_fn *)sha256_block_data_order);
return sha256_final(desc, out);
return crypto_sha256_arm_final(desc, out);
}
EXPORT_SYMBOL(crypto_sha256_arm_finup);
......@@ -59,7 +59,7 @@ static struct shash_alg algs[] = { {
.digestsize = SHA256_DIGEST_SIZE,
.init = sha256_base_init,
.update = crypto_sha256_arm_update,
.final = sha256_final,
.final = crypto_sha256_arm_final,
.finup = crypto_sha256_arm_finup,
.descsize = sizeof(struct sha256_state),
.base = {
......@@ -73,7 +73,7 @@ static struct shash_alg algs[] = { {
.digestsize = SHA224_DIGEST_SIZE,
.init = sha224_base_init,
.update = crypto_sha256_arm_update,
.final = sha256_final,
.final = crypto_sha256_arm_final,
.finup = crypto_sha256_arm_finup,
.descsize = sizeof(struct sha256_state),
.base = {
......
arch/arm/crypto/sha256_neon_glue.c
View file @ 8b53c765
......@@ -25,8 +25,8 @@
asmlinkage void sha256_block_data_order_neon(u32 *digest, const void *data,
unsigned int num_blks);
static int sha256_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
static int crypto_sha256_neon_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
struct sha256_state *sctx = shash_desc_ctx(desc);
......@@ -42,8 +42,8 @@ static int sha256_update(struct shash_desc *desc, const u8 *data,
return 0;
}
static int sha256_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
static int crypto_sha256_neon_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
if (!crypto_simd_usable())
return crypto_sha256_arm_finup(desc, data, len, out);
......@@ -59,17 +59,17 @@ static int sha256_finup(struct shash_desc *desc, const u8 *data,
return sha256_base_finish(desc, out);
}
static int sha256_final(struct shash_desc *desc, u8 *out)
static int crypto_sha256_neon_final(struct shash_desc *desc, u8 *out)
{
return sha256_finup(desc, NULL, 0, out);
return crypto_sha256_neon_finup(desc, NULL, 0, out);
}
struct shash_alg sha256_neon_algs[] = { {
.digestsize = SHA256_DIGEST_SIZE,
.init = sha256_base_init,
.update = sha256_update,
.final = sha256_final,
.finup = sha256_finup,
.update = crypto_sha256_neon_update,
.final = crypto_sha256_neon_final,
.finup = crypto_sha256_neon_finup,
.descsize = sizeof(struct sha256_state),
.base = {
.cra_name = "sha256",
......@@ -81,9 +81,9 @@ struct shash_alg sha256_neon_algs[] = { {
}, {
.digestsize = SHA224_DIGEST_SIZE,
.init = sha224_base_init,
.update = sha256_update,
.final = sha256_final,
.finup = sha256_finup,
.update = crypto_sha256_neon_update,
.final = crypto_sha256_neon_final,
.finup = crypto_sha256_neon_finup,
.descsize = sizeof(struct sha256_state),
.base = {
.cra_name = "sha224",
......
arch/arm/include/asm/Kbuild
View file @ 8b53c765
......@@ -17,7 +17,6 @@ generic-y += parport.h
generic-y += preempt.h
generic-y += seccomp.h
generic-y += serial.h
generic-y += simd.h
generic-y += trace_clock.h
generated-y += mach-types.h
......
arch/arm64/boot/dts/freescale/imx8mq.dtsi
View file @ 8b53c765
......@@ -751,6 +751,36 @@ sai2: sai@308b0000 {
status = "disabled";
};
crypto: crypto@30900000 {
compatible = "fsl,sec-v4.0";
#address-cells = <1>;
#size-cells = <1>;
reg = <0x30900000 0x40000>;
ranges = <0 0x30900000 0x40000>;
interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MQ_CLK_AHB>,
<&clk IMX8MQ_CLK_IPG_ROOT>;
clock-names = "aclk", "ipg";
sec_jr0: jr@1000 {
compatible = "fsl,sec-v4.0-job-ring";
reg = <0x1000 0x1000>;
interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
};
sec_jr1: jr@2000 {
compatible = "fsl,sec-v4.0-job-ring";
reg = <0x2000 0x1000>;
interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
};
sec_jr2: jr@3000 {
compatible = "fsl,sec-v4.0-job-ring";
reg = <0x3000 0x1000>;
interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
};
};
dphy: dphy@30a00300 {
compatible = "fsl,imx8mq-mipi-dphy";
reg = <0x30a00300 0x100>;
......
arch/arm64/crypto/Kconfig
View file @ 8b53c765
......@@ -58,8 +58,7 @@ config CRYPTO_GHASH_ARM64_CE
depends on KERNEL_MODE_NEON
select CRYPTO_HASH
select CRYPTO_GF128MUL
select CRYPTO_AES
select CRYPTO_AES_ARM64
select CRYPTO_LIB_AES
config CRYPTO_CRCT10DIF_ARM64_CE
tristate "CRCT10DIF digest algorithm using PMULL instructions"
......@@ -74,15 +73,15 @@ config CRYPTO_AES_ARM64_CE
tristate "AES core cipher using ARMv8 Crypto Extensions"
depends on ARM64 && KERNEL_MODE_NEON
select CRYPTO_ALGAPI
select CRYPTO_AES_ARM64
select CRYPTO_LIB_AES
config CRYPTO_AES_ARM64_CE_CCM
tristate "AES in CCM mode using ARMv8 Crypto Extensions"
depends on ARM64 && KERNEL_MODE_NEON
select CRYPTO_ALGAPI
select CRYPTO_AES_ARM64_CE
select CRYPTO_AES_ARM64
select CRYPTO_AEAD
select CRYPTO_LIB_AES
config CRYPTO_AES_ARM64_CE_BLK
tristate "AES in ECB/CBC/CTR/XTS modes using ARMv8 Crypto Extensions"
......@@ -97,7 +96,7 @@ config CRYPTO_AES_ARM64_NEON_BLK
depends on KERNEL_MODE_NEON
select CRYPTO_BLKCIPHER
select CRYPTO_AES_ARM64
select CRYPTO_AES
select CRYPTO_LIB_AES
select CRYPTO_SIMD
config CRYPTO_CHACHA20_NEON
......@@ -117,6 +116,7 @@ config CRYPTO_AES_ARM64_BS
select CRYPTO_BLKCIPHER
select CRYPTO_AES_ARM64_NEON_BLK
select CRYPTO_AES_ARM64
select CRYPTO_LIB_AES
select CRYPTO_SIMD
endif
arch/arm64/crypto/aes-ce-ccm-glue.c
View file @ 8b53c765
......@@ -43,8 +43,6 @@ asmlinkage void ce_aes_ccm_decrypt(u8 out[], u8 const in[], u32 cbytes,
asmlinkage void ce_aes_ccm_final(u8 mac[], u8 const ctr[], u32 const rk[],
u32 rounds);
asmlinkage void __aes_arm64_encrypt(u32 *rk, u8 *out, const u8 *in, int rounds);
static int ccm_setkey(struct crypto_aead *tfm, const u8 *in_key,
unsigned int key_len)
{
......@@ -124,8 +122,7 @@ static void ccm_update_mac(struct crypto_aes_ctx *key, u8 mac[], u8 const in[],
}
while (abytes >= AES_BLOCK_SIZE) {
__aes_arm64_encrypt(key->key_enc, mac, mac,
num_rounds(key));
aes_encrypt(key, mac, mac);
crypto_xor(mac, in, AES_BLOCK_SIZE);
in += AES_BLOCK_SIZE;
......@@ -133,8 +130,7 @@ static void ccm_update_mac(struct crypto_aes_ctx *key, u8 mac[], u8 const in[],
}
if (abytes > 0) {
__aes_arm64_encrypt(key->key_enc, mac, mac,
num_rounds(key));
aes_encrypt(key, mac, mac);
crypto_xor(mac, in, abytes);
*macp = abytes;
}
......@@ -206,10 +202,8 @@ static int ccm_crypt_fallback(struct skcipher_walk *walk, u8 mac[], u8 iv0[],
bsize = nbytes;
crypto_inc(walk->iv, AES_BLOCK_SIZE);
__aes_arm64_encrypt(ctx->key_enc, buf, walk->iv,
num_rounds(ctx));
__aes_arm64_encrypt(ctx->key_enc, mac, mac,
num_rounds(ctx));
aes_encrypt(ctx, buf, walk->iv);
aes_encrypt(ctx, mac, mac);
if (enc)
crypto_xor(mac, src, bsize);
crypto_xor_cpy(dst, src, buf, bsize);
......@@ -224,8 +218,8 @@ static int ccm_crypt_fallback(struct skcipher_walk *walk, u8 mac[], u8 iv0[],
}
if (!err) {
__aes_arm64_encrypt(ctx->key_enc, buf, iv0, num_rounds(ctx));
__aes_arm64_encrypt(ctx->key_enc, mac, mac, num_rounds(ctx));
aes_encrypt(ctx, buf, iv0);
aes_encrypt(ctx, mac, mac);
crypto_xor(mac, buf, AES_BLOCK_SIZE);
}
return err;
......
arch/arm64/crypto/aes-ce-glue.c
View file @ 8b53c765
......@@ -20,9 +20,6 @@ MODULE_DESCRIPTION("Synchronous AES cipher using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
asmlinkage void __aes_arm64_encrypt(u32 *rk, u8 *out, const u8 *in, int rounds);
asmlinkage void __aes_arm64_decrypt(u32 *rk, u8 *out, const u8 *in, int rounds);
struct aes_block {
u8 b[AES_BLOCK_SIZE];
};
......@@ -51,7 +48,7 @@ static void aes_cipher_encrypt(struct crypto_tfm *tfm, u8 dst[], u8 const src[])
struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
if (!crypto_simd_usable()) {
__aes_arm64_encrypt(ctx->key_enc, dst, src, num_rounds(ctx));
aes_encrypt(ctx, dst, src);
return;
}
......@@ -65,7 +62,7 @@ static void aes_cipher_decrypt(struct crypto_tfm *tfm, u8 dst[], u8 const src[])
struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
if (!crypto_simd_usable()) {
__aes_arm64_decrypt(ctx->key_dec, dst, src, num_rounds(ctx));
aes_decrypt(ctx, dst, src);
return;
}
......
arch/arm64/crypto/aes-ce.S
View file @ 8b53c765
......@@ -21,6 +21,9 @@
.macro xts_reload_mask, tmp
.endm
.macro xts_cts_skip_tw, reg, lbl
.endm
/* preload all round keys */
.macro load_round_keys, rounds, rk
cmp \rounds, #12
......
arch/arm64/crypto/aes-cipher-core.S
View file @ 8b53c765
......@@ -128,43 +128,5 @@ ENDPROC(__aes_arm64_encrypt)
.align 5
ENTRY(__aes_arm64_decrypt)
do_crypt iround, crypto_it_tab, __aes_arm64_inverse_sbox, 0
do_crypt iround, crypto_it_tab, crypto_aes_inv_sbox, 0
ENDPROC(__aes_arm64_decrypt)
.section ".rodata", "a"
.align L1_CACHE_SHIFT
.type __aes_arm64_inverse_sbox, %object
__aes_arm64_inverse_sbox:
.byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
.byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
.byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
.byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
.byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d
.byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
.byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2
.byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
.byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16
.byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
.byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda
.byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
.byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a
.byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
.byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02
.byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
.byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea
.byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
.byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85
.byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
.byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89
.byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
.byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20
.byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
.byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31
.byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
.byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d
.byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
.byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0
.byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
.byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26
.byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
.size __aes_arm64_inverse_sbox, . - __aes_arm64_inverse_sbox
arch/arm64/crypto/aes-cipher-glue.c
View file @ 8b53c765
......@@ -10,12 +10,9 @@
#include <linux/module.h>
asmlinkage void __aes_arm64_encrypt(u32 *rk, u8 *out, const u8 *in, int rounds);
EXPORT_SYMBOL(__aes_arm64_encrypt);
asmlinkage void __aes_arm64_decrypt(u32 *rk, u8 *out, const u8 *in, int rounds);
EXPORT_SYMBOL(__aes_arm64_decrypt);
static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
static void aes_arm64_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
int rounds = 6 + ctx->key_length / 4;
......@@ -23,7 +20,7 @@ static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
__aes_arm64_encrypt(ctx->key_enc, out, in, rounds);
}
static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
static void aes_arm64_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
int rounds = 6 + ctx->key_length / 4;
......@@ -43,8 +40,8 @@ static struct crypto_alg aes_alg = {
.cra_cipher.cia_min_keysize = AES_MIN_KEY_SIZE,
.cra_cipher.cia_max_keysize = AES_MAX_KEY_SIZE,
.cra_cipher.cia_setkey = crypto_aes_set_key,
.cra_cipher.cia_encrypt = aes_encrypt,
.cra_cipher.cia_decrypt = aes_decrypt
.cra_cipher.cia_encrypt = aes_arm64_encrypt,
.cra_cipher.cia_decrypt = aes_arm64_decrypt
};
static int __init aes_init(void)
......
arch/arm64/crypto/aes-ctr-fallback.h deleted 100644 → 0
View file @ 6cfae0c2
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Fallback for sync aes(ctr) in contexts where kernel mode NEON
* is not allowed
*
* Copyright (C) 2017 Linaro Ltd <ard.biesheuvel@linaro.org>
*/
#include <crypto/aes.h>
#include <crypto/internal/skcipher.h>
asmlinkage void __aes_arm64_encrypt(u32 *rk, u8 *out, const u8 *in, int rounds);
static inline int aes_ctr_encrypt_fallback(struct crypto_aes_ctx *ctx,
struct skcipher_request *req)
{
struct skcipher_walk walk;
u8 buf[AES_BLOCK_SIZE];
int err;
err = skcipher_walk_virt(&walk, req, true);
while (walk.nbytes > 0) {
u8 *dst = walk.dst.virt.addr;
u8 *src = walk.src.virt.addr;
int nbytes = walk.nbytes;
int tail = 0;
if (nbytes < walk.total) {
nbytes = round_down(nbytes, AES_BLOCK_SIZE);
tail = walk.nbytes % AES_BLOCK_SIZE;
}
do {
int bsize = min(nbytes, AES_BLOCK_SIZE);
__aes_arm64_encrypt(ctx->key_enc, buf, walk.iv,
6 + ctx->key_length / 4);
crypto_xor_cpy(dst, src, buf, bsize);
crypto_inc(walk.iv, AES_BLOCK_SIZE);
dst += AES_BLOCK_SIZE;
src += AES_BLOCK_SIZE;
nbytes -= AES_BLOCK_SIZE;
} while (nbytes > 0);
err = skcipher_walk_done(&walk, tail);
}
return err;
}
arch/arm64/crypto/aes-glue.c
View file @ 8b53c765
This diff is collapsed.
arch/arm64/crypto/aes-modes.S
View file @ 8b53c765
......@@ -118,8 +118,23 @@ AES_ENDPROC(aes_ecb_decrypt)
* int blocks, u8 iv[])
* aes_cbc_decrypt(u8 out[], u8 const in[], u8 const rk[], int rounds,
* int blocks, u8 iv[])
* aes_essiv_cbc_encrypt(u8 out[], u8 const in[], u32 const rk1[],
* int rounds, int blocks, u8 iv[],
* u32 const rk2[]);
* aes_essiv_cbc_decrypt(u8 out[], u8 const in[], u32 const rk1[],
* int rounds, int blocks, u8 iv[],
* u32 const rk2[]);
*/
AES_ENTRY(aes_essiv_cbc_encrypt)
ld1 {v4.16b}, [x5] /* get iv */
mov w8, #14 /* AES-256: 14 rounds */
enc_prepare w8, x6, x7
encrypt_block v4, w8, x6, x7, w9
enc_switch_key w3, x2, x6
b .Lcbcencloop4x
AES_ENTRY(aes_cbc_encrypt)
ld1 {v4.16b}, [x5] /* get iv */
enc_prepare w3, x2, x6
......@@ -153,13 +168,25 @@ AES_ENTRY(aes_cbc_encrypt)
st1 {v4.16b}, [x5] /* return iv */
ret
AES_ENDPROC(aes_cbc_encrypt)
AES_ENDPROC(aes_essiv_cbc_encrypt)
AES_ENTRY(aes_essiv_cbc_decrypt)
stp x29, x30, [sp, #-16]!
mov x29, sp
ld1 {cbciv.16b}, [x5] /* get iv */
mov w8, #14 /* AES-256: 14 rounds */
enc_prepare w8, x6, x7
encrypt_block cbciv, w8, x6, x7, w9
b .Lessivcbcdecstart
AES_ENTRY(aes_cbc_decrypt)
stp x29, x30, [sp, #-16]!
mov x29, sp
ld1 {cbciv.16b}, [x5] /* get iv */
.Lessivcbcdecstart:
dec_prepare w3, x2, x6
.LcbcdecloopNx:
......@@ -212,6 +239,7 @@ ST5( st1 {v4.16b}, [x0], #16 )
ldp x29, x30, [sp], #16
ret
AES_ENDPROC(aes_cbc_decrypt)
AES_ENDPROC(aes_essiv_cbc_decrypt)
/*
......@@ -265,12 +293,11 @@ AES_ENTRY(aes_cbc_cts_decrypt)
ld1 {v5.16b}, [x5] /* get iv */
dec_prepare w3, x2, x6
tbl v2.16b, {v1.16b}, v4.16b
decrypt_block v0, w3, x2, x6, w7
eor v2.16b, v2.16b, v0.16b
tbl v2.16b, {v0.16b}, v3.16b
eor v2.16b, v2.16b, v1.16b
tbx v0.16b, {v1.16b}, v4.16b
tbl v2.16b, {v2.16b}, v3.16b
decrypt_block v0, w3, x2, x6, w7
eor v0.16b, v0.16b, v5.16b /* xor with iv */
......@@ -386,10 +413,10 @@ AES_ENDPROC(aes_ctr_encrypt)
/*
* aes_xts_encrypt(u8 out[], u8 const in[], u8 const rk1[], int rounds,
* int bytes, u8 const rk2[], u8 iv[], int first)
* aes_xts_decrypt(u8 out[], u8 const in[], u8 const rk1[], int rounds,
* int blocks, u8 const rk2[], u8 iv[], int first)
* aes_xts_decrypt(u8 out[], u8 const in[], u8 const rk1[], int rounds,
* int blocks, u8 const rk2[], u8 iv[], int first)
* int bytes, u8 const rk2[], u8 iv[], int first)
*/
.macro next_tweak, out, in, tmp
......@@ -415,6 +442,7 @@ AES_ENTRY(aes_xts_encrypt)
cbz w7, .Lxtsencnotfirst
enc_prepare w3, x5, x8
xts_cts_skip_tw w7, .LxtsencNx
encrypt_block v4, w3, x5, x8, w7 /* first tweak */
enc_switch_key w3, x2, x8
b .LxtsencNx
......@@ -424,7 +452,7 @@ AES_ENTRY(aes_xts_encrypt)
.LxtsencloopNx:
next_tweak v4, v4, v8
.LxtsencNx:
subs w4, w4, #4
subs w4, w4, #64
bmi .Lxtsenc1x
ld1 {v0.16b-v3.16b}, [x1], #64 /* get 4 pt blocks */
next_tweak v5, v4, v8
......@@ -441,39 +469,74 @@ AES_ENTRY(aes_xts_encrypt)
eor v2.16b, v2.16b, v6.16b
st1 {v0.16b-v3.16b}, [x0], #64
mov v4.16b, v7.16b
cbz w4, .Lxtsencout
cbz w4, .Lxtsencret
xts_reload_mask v8
b .LxtsencloopNx
.Lxtsenc1x:
adds w4, w4, #4
adds w4, w4, #64
beq .Lxtsencout
subs w4, w4, #16
bmi .LxtsencctsNx
.Lxtsencloop:
ld1 {v1.16b}, [x1], #16
eor v0.16b, v1.16b, v4.16b
ld1 {v0.16b}, [x1], #16
.Lxtsencctsout:
eor v0.16b, v0.16b, v4.16b
encrypt_block v0, w3, x2, x8, w7
eor v0.16b, v0.16b, v4.16b
st1 {v0.16b}, [x0], #16
subs w4, w4, #1
beq .Lxtsencout
cbz w4, .Lxtsencout
subs w4, w4, #16
next_tweak v4, v4, v8
bmi .Lxtsenccts
st1 {v0.16b}, [x0], #16
b .Lxtsencloop
.Lxtsencout:
st1 {v0.16b}, [x0]
.Lxtsencret:
st1 {v4.16b}, [x6]
ldp x29, x30, [sp], #16
ret
AES_ENDPROC(aes_xts_encrypt)
.LxtsencctsNx:
mov v0.16b, v3.16b
sub x0, x0, #16
.Lxtsenccts:
adr_l x8, .Lcts_permute_table
add x1, x1, w4, sxtw /* rewind input pointer */
add w4, w4, #16 /* # bytes in final block */
add x9, x8, #32
add x8, x8, x4
sub x9, x9, x4
add x4, x0, x4 /* output address of final block */
ld1 {v1.16b}, [x1] /* load final block */
ld1 {v2.16b}, [x8]
ld1 {v3.16b}, [x9]
tbl v2.16b, {v0.16b}, v2.16b
tbx v0.16b, {v1.16b}, v3.16b
st1 {v2.16b}, [x4] /* overlapping stores */
mov w4, wzr
b .Lxtsencctsout
AES_ENDPROC(aes_xts_encrypt)
AES_ENTRY(aes_xts_decrypt)
stp x29, x30, [sp, #-16]!
mov x29, sp
/* subtract 16 bytes if we are doing CTS */
sub w8, w4, #0x10
tst w4, #0xf
csel w4, w4, w8, eq
ld1 {v4.16b}, [x6]
xts_load_mask v8
xts_cts_skip_tw w7, .Lxtsdecskiptw
cbz w7, .Lxtsdecnotfirst
enc_prepare w3, x5, x8
encrypt_block v4, w3, x5, x8, w7 /* first tweak */
.Lxtsdecskiptw:
dec_prepare w3, x2, x8
b .LxtsdecNx
......@@ -482,7 +545,7 @@ AES_ENTRY(aes_xts_decrypt)
.LxtsdecloopNx:
next_tweak v4, v4, v8
.LxtsdecNx:
subs w4, w4, #4
subs w4, w4, #64
bmi .Lxtsdec1x
ld1 {v0.16b-v3.16b}, [x1], #64 /* get 4 ct blocks */
next_tweak v5, v4, v8
......@@ -503,22 +566,52 @@ AES_ENTRY(aes_xts_decrypt)
xts_reload_mask v8
b .LxtsdecloopNx
.Lxtsdec1x:
adds w4, w4, #4
adds w4, w4, #64
beq .Lxtsdecout
subs w4, w4, #16
.Lxtsdecloop:
ld1 {v1.16b}, [x1], #16
eor v0.16b, v1.16b, v4.16b
ld1 {v0.16b}, [x1], #16
bmi .Lxtsdeccts
.Lxtsdecctsout:
eor v0.16b, v0.16b, v4.16b
decrypt_block v0, w3, x2, x8, w7
eor v0.16b, v0.16b, v4.16b
st1 {v0.16b}, [x0], #16
subs w4, w4, #1
beq .Lxtsdecout
cbz w4, .Lxtsdecout
subs w4, w4, #16
next_tweak v4, v4, v8
b .Lxtsdecloop
.Lxtsdecout:
st1 {v4.16b}, [x6]
ldp x29, x30, [sp], #16
ret
.Lxtsdeccts:
adr_l x8, .Lcts_permute_table
add x1, x1, w4, sxtw /* rewind input pointer */
add w4, w4, #16 /* # bytes in final block */
add x9, x8, #32
add x8, x8, x4
sub x9, x9, x4
add x4, x0, x4 /* output address of final block */
next_tweak v5, v4, v8
ld1 {v1.16b}, [x1] /* load final block */
ld1 {v2.16b}, [x8]
ld1 {v3.16b}, [x9]
eor v0.16b, v0.16b, v5.16b
decrypt_block v0, w3, x2, x8, w7
eor v0.16b, v0.16b, v5.16b
tbl v2.16b, {v0.16b}, v2.16b
tbx v0.16b, {v1.16b}, v3.16b
st1 {v2.16b}, [x4] /* overlapping stores */
mov w4, wzr
b .Lxtsdecctsout
AES_ENDPROC(aes_xts_decrypt)
/*
......
arch/arm64/crypto/aes-neon.S
View file @ 8b53c765
......@@ -19,6 +19,11 @@
xts_load_mask \tmp
.endm
/* special case for the neon-bs driver calling into this one for CTS */
.macro xts_cts_skip_tw, reg, lbl
tbnz \reg, #1, \lbl
.endm
/* multiply by polynomial 'x' in GF(2^8) */
.macro mul_by_x, out, in, temp, const
sshr \temp, \in, #7
......@@ -49,7 +54,7 @@
/* do preload for encryption */
.macro enc_prepare, ignore0, ignore1, temp
prepare .LForward_Sbox, .LForward_ShiftRows, \temp
prepare crypto_aes_sbox, .LForward_ShiftRows, \temp
.endm
.macro enc_switch_key, ignore0, ignore1, temp
......@@ -58,7 +63,7 @@
/* do preload for decryption */
.macro dec_prepare, ignore0, ignore1, temp
prepare .LReverse_Sbox, .LReverse_ShiftRows, \temp
prepare crypto_aes_inv_sbox, .LReverse_ShiftRows, \temp
.endm
/* apply SubBytes transformation using the the preloaded Sbox */
......@@ -234,75 +239,7 @@
#include "aes-modes.S"
.section ".rodata", "a"
.align 6
.LForward_Sbox:
.byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5
.byte 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76
.byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0
.byte 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0
.byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc
.byte 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15
.byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a
.byte 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75
.byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0
.byte 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84
.byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b
.byte 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf
.byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85
.byte 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8
.byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5
.byte 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2
.byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17
.byte 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73
.byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88
.byte 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb
.byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c
.byte 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79
.byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9
.byte 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08
.byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6
.byte 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a
.byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e
.byte 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e
.byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94
.byte 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf
.byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68
.byte 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
.LReverse_Sbox:
.byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
.byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
.byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
.byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
.byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d
.byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
.byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2
.byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
.byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16
.byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
.byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda
.byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
.byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a
.byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
.byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02
.byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
.byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea
.byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
.byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85
.byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
.byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89
.byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
.byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20
.byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
.byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31
.byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
.byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d
.byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
.byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0
.byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
.byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26
.byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
.align 4
.LForward_ShiftRows:
.octa 0x0b06010c07020d08030e09040f0a0500
......
arch/arm64/crypto/aes-neonbs-core.S
View file @ 8b53c765
......@@ -730,11 +730,6 @@ ENDPROC(aesbs_cbc_decrypt)
eor \out\().16b, \out\().16b, \tmp\().16b
.endm
.align 4
.Lxts_mul_x:
CPU_LE( .quad 1, 0x87 )
CPU_BE( .quad 0x87, 1 )
/*
* aesbs_xts_encrypt(u8 out[], u8 const in[], u8 const rk[], int rounds,
* int blocks, u8 iv[])
......@@ -806,7 +801,9 @@ ENDPROC(__xts_crypt8)
mov x23, x4
mov x24, x5
0: ldr q30, .Lxts_mul_x
0: movi v30.2s, #0x1
movi v25.2s, #0x87
uzp1 v30.4s, v30.4s, v25.4s
ld1 {v25.16b}, [x24]
99: adr x7, \do8
......
arch/arm64/crypto/aes-neonbs-glue.c
View file @ 8b53c765
......@@ -8,13 +8,13 @@
#include <asm/neon.h>
#include <asm/simd.h>
#include <crypto/aes.h>
#include <crypto/ctr.h>
#include <crypto/internal/simd.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
#include <crypto/xts.h>
#include <linux/module.h>
#include "aes-ctr-fallback.h"
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
......@@ -46,6 +46,12 @@ asmlinkage void neon_aes_ecb_encrypt(u8 out[], u8 const in[], u32 const rk[],
int rounds, int blocks);
asmlinkage void neon_aes_cbc_encrypt(u8 out[], u8 const in[], u32 const rk[],
int rounds, int blocks, u8 iv[]);
asmlinkage void neon_aes_xts_encrypt(u8 out[], u8 const in[],
u32 const rk1[], int rounds, int bytes,
u32 const rk2[], u8 iv[], int first);
asmlinkage void neon_aes_xts_decrypt(u8 out[], u8 const in[],
u32 const rk1[], int rounds, int bytes,
u32 const rk2[], u8 iv[], int first);
struct aesbs_ctx {
u8 rk[13 * (8 * AES_BLOCK_SIZE) + 32];
......@@ -65,6 +71,7 @@ struct aesbs_ctr_ctx {
struct aesbs_xts_ctx {
struct aesbs_ctx key;
u32 twkey[AES_MAX_KEYLENGTH_U32];
struct crypto_aes_ctx cts;
};
static int aesbs_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
......@@ -74,7 +81,7 @@ static int aesbs_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
struct crypto_aes_ctx rk;
int err;
err = crypto_aes_expand_key(&rk, in_key, key_len);
err = aes_expandkey(&rk, in_key, key_len);
if (err)
return err;
......@@ -133,7 +140,7 @@ static int aesbs_cbc_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
struct crypto_aes_ctx rk;
int err;
err = crypto_aes_expand_key(&rk, in_key, key_len);
err = aes_expandkey(&rk, in_key, key_len);
if (err)
return err;
......@@ -205,7 +212,7 @@ static int aesbs_ctr_setkey_sync(struct crypto_skcipher *tfm, const u8 *in_key,
struct aesbs_ctr_ctx *ctx = crypto_skcipher_ctx(tfm);
int err;
err = crypto_aes_expand_key(&ctx->fallback, in_key, key_len);
err = aes_expandkey(&ctx->fallback, in_key, key_len);
if (err)
return err;
......@@ -271,7 +278,11 @@ static int aesbs_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
return err;
key_len /= 2;
err = crypto_aes_expand_key(&rk, in_key + key_len, key_len);
err = aes_expandkey(&ctx->cts, in_key, key_len);
if (err)
return err;
err = aes_expandkey(&rk, in_key + key_len, key_len);
if (err)
return err;
......@@ -280,59 +291,142 @@ static int aesbs_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
return aesbs_setkey(tfm, in_key, key_len);
}
static int ctr_encrypt_sync(struct skcipher_request *req)
static void ctr_encrypt_one(struct crypto_skcipher *tfm, const u8 *src, u8 *dst)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct aesbs_ctr_ctx *ctx = crypto_skcipher_ctx(tfm);
unsigned long flags;
/*
* Temporarily disable interrupts to avoid races where
* cachelines are evicted when the CPU is interrupted
* to do something else.
*/
local_irq_save(flags);
aes_encrypt(&ctx->fallback, dst, src);
local_irq_restore(flags);
}
static int ctr_encrypt_sync(struct skcipher_request *req)
{
if (!crypto_simd_usable())
return aes_ctr_encrypt_fallback(&ctx->fallback, req);
return crypto_ctr_encrypt_walk(req, ctr_encrypt_one);
return ctr_encrypt(req);
}
static int __xts_crypt(struct skcipher_request *req,
static int __xts_crypt(struct skcipher_request *req, bool encrypt,
void (*fn)(u8 out[], u8 const in[], u8 const rk[],
int rounds, int blocks, u8 iv[]))
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct aesbs_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
int tail = req->cryptlen % (8 * AES_BLOCK_SIZE);
struct scatterlist sg_src[2], sg_dst[2];
struct skcipher_request subreq;
struct scatterlist *src, *dst;
struct skcipher_walk walk;
int err;
int nbytes, err;
int first = 1;
u8 *out, *in;
if (req->cryptlen < AES_BLOCK_SIZE)
return -EINVAL;
/* ensure that the cts tail is covered by a single step */
if (unlikely(tail > 0 && tail < AES_BLOCK_SIZE)) {
int xts_blocks = DIV_ROUND_UP(req->cryptlen,
AES_BLOCK_SIZE) - 2;
skcipher_request_set_tfm(&subreq, tfm);
skcipher_request_set_callback(&subreq,
skcipher_request_flags(req),
NULL, NULL);
skcipher_request_set_crypt(&subreq, req->src, req->dst,
xts_blocks * AES_BLOCK_SIZE,
req->iv);
req = &subreq;
} else {
tail = 0;
}
err = skcipher_walk_virt(&walk, req, false);
if (err)
return err;
kernel_neon_begin();
neon_aes_ecb_encrypt(walk.iv, walk.iv, ctx->twkey, ctx->key.rounds, 1);
kernel_neon_end();
while (walk.nbytes >= AES_BLOCK_SIZE) {
unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE;
if (walk.nbytes < walk.total)
if (walk.nbytes < walk.total || walk.nbytes % AES_BLOCK_SIZE)
blocks = round_down(blocks,
walk.stride / AES_BLOCK_SIZE);
out = walk.dst.virt.addr;
in = walk.src.virt.addr;
nbytes = walk.nbytes;
kernel_neon_begin();
fn(walk.dst.virt.addr, walk.src.virt.addr, ctx->key.rk,
ctx->key.rounds, blocks, walk.iv);
if (likely(blocks > 6)) { /* plain NEON is faster otherwise */
if (first)
neon_aes_ecb_encrypt(walk.iv, walk.iv,
ctx->twkey,
ctx->key.rounds, 1);
first = 0;
fn(out, in, ctx->key.rk, ctx->key.rounds, blocks,
walk.iv);
out += blocks * AES_BLOCK_SIZE;
in += blocks * AES_BLOCK_SIZE;
nbytes -= blocks * AES_BLOCK_SIZE;
}
if (walk.nbytes == walk.total && nbytes > 0)
goto xts_tail;
kernel_neon_end();
err = skcipher_walk_done(&walk,
walk.nbytes - blocks * AES_BLOCK_SIZE);
skcipher_walk_done(&walk, nbytes);
}
return err;
if (err || likely(!tail))
return err;
/* handle ciphertext stealing */
dst = src = scatterwalk_ffwd(sg_src, req->src, req->cryptlen);
if (req->dst != req->src)
dst = scatterwalk_ffwd(sg_dst, req->dst, req->cryptlen);
skcipher_request_set_crypt(req, src, dst, AES_BLOCK_SIZE + tail,
req->iv);
err = skcipher_walk_virt(&walk, req, false);
if (err)
return err;
out = walk.dst.virt.addr;
in = walk.src.virt.addr;
nbytes = walk.nbytes;
kernel_neon_begin();
xts_tail:
if (encrypt)
neon_aes_xts_encrypt(out, in, ctx->cts.key_enc, ctx->key.rounds,
nbytes, ctx->twkey, walk.iv, first ?: 2);
else
neon_aes_xts_decrypt(out, in, ctx->cts.key_dec, ctx->key.rounds,
nbytes, ctx->twkey, walk.iv, first ?: 2);
kernel_neon_end();
return skcipher_walk_done(&walk, 0);
}
static int xts_encrypt(struct skcipher_request *req)
{
return __xts_crypt(req, aesbs_xts_encrypt);
return __xts_crypt(req, true, aesbs_xts_encrypt);
}
static int xts_decrypt(struct skcipher_request *req)
{
return __xts_crypt(req, aesbs_xts_decrypt);
return __xts_crypt(req, false, aesbs_xts_decrypt);
}
static struct skcipher_alg aes_algs[] = { {
......
arch/arm64/crypto/ghash-ce-glue.c
View file @ 8b53c765
......@@ -70,8 +70,6 @@ asmlinkage void pmull_gcm_decrypt(int blocks, u64 dg[], u8 dst[],
asmlinkage void pmull_gcm_encrypt_block(u8 dst[], u8 const src[],
u32 const rk[], int rounds);
asmlinkage void __aes_arm64_encrypt(u32 *rk, u8 *out, const u8 *in, int rounds);
static int ghash_init(struct shash_desc *desc)
{
struct ghash_desc_ctx *ctx = shash_desc_ctx(desc);
......@@ -309,14 +307,13 @@ static int gcm_setkey(struct crypto_aead *tfm, const u8 *inkey,
u8 key[GHASH_BLOCK_SIZE];
int ret;
ret = crypto_aes_expand_key(&ctx->aes_key, inkey, keylen);
ret = aes_expandkey(&ctx->aes_key, inkey, keylen);
if (ret) {
tfm->base.crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
}
__aes_arm64_encrypt(ctx->aes_key.key_enc, key, (u8[AES_BLOCK_SIZE]){},
num_rounds(&ctx->aes_key));
aes_encrypt(&ctx->aes_key, key, (u8[AES_BLOCK_SIZE]){});
return __ghash_setkey(&ctx->ghash_key, key, sizeof(be128));
}
......@@ -467,7 +464,7 @@ static int gcm_encrypt(struct aead_request *req)
rk = ctx->aes_key.key_enc;
} while (walk.nbytes >= 2 * AES_BLOCK_SIZE);
} else {
__aes_arm64_encrypt(ctx->aes_key.key_enc, tag, iv, nrounds);
aes_encrypt(&ctx->aes_key, tag, iv);
put_unaligned_be32(2, iv + GCM_IV_SIZE);
while (walk.nbytes >= (2 * AES_BLOCK_SIZE)) {
......@@ -478,8 +475,7 @@ static int gcm_encrypt(struct aead_request *req)
int remaining = blocks;
do {
__aes_arm64_encrypt(ctx->aes_key.key_enc,
ks, iv, nrounds);
aes_encrypt(&ctx->aes_key, ks, iv);
crypto_xor_cpy(dst, src, ks, AES_BLOCK_SIZE);
crypto_inc(iv, AES_BLOCK_SIZE);
......@@ -495,13 +491,10 @@ static int gcm_encrypt(struct aead_request *req)
walk.nbytes % (2 * AES_BLOCK_SIZE));
}
if (walk.nbytes) {
__aes_arm64_encrypt(ctx->aes_key.key_enc, ks, iv,
nrounds);
aes_encrypt(&ctx->aes_key, ks, iv);
if (walk.nbytes > AES_BLOCK_SIZE) {
crypto_inc(iv, AES_BLOCK_SIZE);
__aes_arm64_encrypt(ctx->aes_key.key_enc,
ks + AES_BLOCK_SIZE, iv,
nrounds);
aes_encrypt(&ctx->aes_key, ks + AES_BLOCK_SIZE, iv);
}
}
}
......@@ -605,7 +598,7 @@ static int gcm_decrypt(struct aead_request *req)
rk = ctx->aes_key.key_enc;
} while (walk.nbytes >= 2 * AES_BLOCK_SIZE);
} else {
__aes_arm64_encrypt(ctx->aes_key.key_enc, tag, iv, nrounds);
aes_encrypt(&ctx->aes_key, tag, iv);
put_unaligned_be32(2, iv + GCM_IV_SIZE);
while (walk.nbytes >= (2 * AES_BLOCK_SIZE)) {
......@@ -618,8 +611,7 @@ static int gcm_decrypt(struct aead_request *req)
pmull_ghash_update_p64);
do {
__aes_arm64_encrypt(ctx->aes_key.key_enc,
buf, iv, nrounds);
aes_encrypt(&ctx->aes_key, buf, iv);
crypto_xor_cpy(dst, src, buf, AES_BLOCK_SIZE);
crypto_inc(iv, AES_BLOCK_SIZE);
......@@ -637,11 +629,9 @@ static int gcm_decrypt(struct aead_request *req)
memcpy(iv2, iv, AES_BLOCK_SIZE);
crypto_inc(iv2, AES_BLOCK_SIZE);
__aes_arm64_encrypt(ctx->aes_key.key_enc, iv2,
iv2, nrounds);
aes_encrypt(&ctx->aes_key, iv2, iv2);
}
__aes_arm64_encrypt(ctx->aes_key.key_enc, iv, iv,
nrounds);
aes_encrypt(&ctx->aes_key, iv, iv);
}
}
......
arch/arm64/crypto/sha256-glue.c
View file @ 8b53c765
......@@ -30,15 +30,15 @@ EXPORT_SYMBOL(sha256_block_data_order);
asmlinkage void sha256_block_neon(u32 *digest, const void *data,
unsigned int num_blks);
static int sha256_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
static int crypto_sha256_arm64_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
return sha256_base_do_update(desc, data, len,
(sha256_block_fn *)sha256_block_data_order);
}
static int sha256_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
static int crypto_sha256_arm64_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
if (len)
sha256_base_do_update(desc, data, len,
......@@ -49,17 +49,17 @@ static int sha256_finup(struct shash_desc *desc, const u8 *data,
return sha256_base_finish(desc, out);
}
static int sha256_final(struct shash_desc *desc, u8 *out)
static int crypto_sha256_arm64_final(struct shash_desc *desc, u8 *out)
{
return sha256_finup(desc, NULL, 0, out);
return crypto_sha256_arm64_finup(desc, NULL, 0, out);
}
static struct shash_alg algs[] = { {
.digestsize = SHA256_DIGEST_SIZE,
.init = sha256_base_init,
.update = sha256_update,
.final = sha256_final,
.finup = sha256_finup,
.update = crypto_sha256_arm64_update,
.final = crypto_sha256_arm64_final,
.finup = crypto_sha256_arm64_finup,
.descsize = sizeof(struct sha256_state),
.base.cra_name = "sha256",
.base.cra_driver_name = "sha256-arm64",
......@@ -69,9 +69,9 @@ static struct shash_alg algs[] = { {
}, {
.digestsize = SHA224_DIGEST_SIZE,
.init = sha224_base_init,
.update = sha256_update,
.final = sha256_final,
.finup = sha256_finup,
.update = crypto_sha256_arm64_update,
.final = crypto_sha256_arm64_final,
.finup = crypto_sha256_arm64_finup,
.descsize = sizeof(struct sha256_state),
.base.cra_name = "sha224",
.base.cra_driver_name = "sha224-arm64",
......
arch/powerpc/include/asm/Kbuild
View file @ 8b53c765
......@@ -11,4 +11,3 @@ generic-y += mcs_spinlock.h
generic-y += preempt.h
generic-y += vtime.h
generic-y += msi.h
generic-y += simd.h
arch/s390/crypto/aes_s390.c
View file @ 8b53c765
......@@ -108,7 +108,7 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
return 0;
}
static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
static void crypto_aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
......@@ -119,7 +119,7 @@ static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
cpacf_km(sctx->fc, &sctx->key, out, in, AES_BLOCK_SIZE);
}
static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
static void crypto_aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
......@@ -172,8 +172,8 @@ static struct crypto_alg aes_alg = {
.cia_min_keysize = AES_MIN_KEY_SIZE,
.cia_max_keysize = AES_MAX_KEY_SIZE,
.cia_setkey = aes_set_key,
.cia_encrypt = aes_encrypt,
.cia_decrypt = aes_decrypt,
.cia_encrypt = crypto_aes_encrypt,
.cia_decrypt = crypto_aes_decrypt,
}
}
};
......@@ -512,7 +512,7 @@ static int xts_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned long fc;
int err;
err = xts_check_key(tfm, in_key, key_len);
err = xts_fallback_setkey(tfm, in_key, key_len);
if (err)
return err;
......@@ -529,7 +529,7 @@ static int xts_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
/* Check if the function code is available */
xts_ctx->fc = (fc && cpacf_test_func(&km_functions, fc)) ? fc : 0;
if (!xts_ctx->fc)
return xts_fallback_setkey(tfm, in_key, key_len);
return 0;
/* Split the XTS key into the two subkeys */
key_len = key_len / 2;
......@@ -589,7 +589,7 @@ static int xts_aes_encrypt(struct blkcipher_desc *desc,
if (!nbytes)
return -EINVAL;
if (unlikely(!xts_ctx->fc))
if (unlikely(!xts_ctx->fc || (nbytes % XTS_BLOCK_SIZE) != 0))
return xts_fallback_encrypt(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
......@@ -606,7 +606,7 @@ static int xts_aes_decrypt(struct blkcipher_desc *desc,
if (!nbytes)
return -EINVAL;
if (unlikely(!xts_ctx->fc))
if (unlikely(!xts_ctx->fc || (nbytes % XTS_BLOCK_SIZE) != 0))
return xts_fallback_decrypt(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
......
arch/s390/crypto/des_s390.c
View file @ 8b53c765
......@@ -16,7 +16,7 @@
#include <linux/fips.h>
#include <linux/mutex.h>
#include <crypto/algapi.h>
#include <crypto/des.h>
#include <crypto/internal/des.h>
#include <asm/cpacf.h>
#define DES3_KEY_SIZE (3 * DES_KEY_SIZE)
......@@ -35,27 +35,24 @@ static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int key_len)
{
struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
u32 tmp[DES_EXPKEY_WORDS];
int err;
/* check for weak keys */
if (!des_ekey(tmp, key) &&
(tfm->crt_flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {
tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;
}
err = crypto_des_verify_key(tfm, key);
if (err)
return err;
memcpy(ctx->key, key, key_len);
return 0;
}
static void des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
static void s390_des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
cpacf_km(CPACF_KM_DEA, ctx->key, out, in, DES_BLOCK_SIZE);
}
static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
static void s390_des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
......@@ -76,8 +73,8 @@ static struct crypto_alg des_alg = {
.cia_min_keysize = DES_KEY_SIZE,
.cia_max_keysize = DES_KEY_SIZE,
.cia_setkey = des_setkey,
.cia_encrypt = des_encrypt,
.cia_decrypt = des_decrypt,
.cia_encrypt = s390_des_encrypt,
.cia_decrypt = s390_des_decrypt,
}
}
};
......@@ -227,8 +224,8 @@ static int des3_setkey(struct crypto_tfm *tfm, const u8 *key,
struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
int err;
err = __des3_verify_key(&tfm->crt_flags, key);
if (unlikely(err))
err = crypto_des3_ede_verify_key(tfm, key);
if (err)
return err;
memcpy(ctx->key, key, key_len);
......
arch/s390/crypto/ghash_s390.c
View file @ 8b53c765
......@@ -153,4 +153,4 @@ module_exit(ghash_mod_exit);
MODULE_ALIAS_CRYPTO("ghash");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("GHASH Message Digest Algorithm, s390 implementation");
MODULE_DESCRIPTION("GHASH hash function, s390 implementation");
arch/s390/crypto/sha256_s390.c
View file @ 8b53c765
......@@ -17,7 +17,7 @@
#include "sha.h"
static int sha256_init(struct shash_desc *desc)
static int s390_sha256_init(struct shash_desc *desc)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
......@@ -60,7 +60,7 @@ static int sha256_import(struct shash_desc *desc, const void *in)
static struct shash_alg sha256_alg = {
.digestsize = SHA256_DIGEST_SIZE,
.init = sha256_init,
.init = s390_sha256_init,
.update = s390_sha_update,
.final = s390_sha_final,
.export = sha256_export,
......@@ -76,7 +76,7 @@ static struct shash_alg sha256_alg = {
}
};
static int sha224_init(struct shash_desc *desc)
static int s390_sha224_init(struct shash_desc *desc)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
......@@ -96,7 +96,7 @@ static int sha224_init(struct shash_desc *desc)
static struct shash_alg sha224_alg = {
.digestsize = SHA224_DIGEST_SIZE,
.init = sha224_init,
.init = s390_sha224_init,
.update = s390_sha_update,
.final = s390_sha_final,
.export = sha256_export,
......
arch/s390/purgatory/Makefile
View file @ 8b53c765
......@@ -7,9 +7,11 @@ purgatory-y := head.o purgatory.o string.o sha256.o mem.o
targets += $(purgatory-y) purgatory.lds purgatory purgatory.ro
PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))
$(obj)/sha256.o: $(srctree)/lib/sha256.c FORCE
$(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE
$(call if_changed_rule,cc_o_c)
CFLAGS_sha256.o := -D__DISABLE_EXPORTS
$(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE
$(call if_changed_rule,as_o_S)
......
arch/s390/purgatory/purgatory.c
View file @ 8b53c765
......@@ -8,8 +8,8 @@
*/
#include <linux/kexec.h>
#include <linux/sha256.h>
#include <linux/string.h>
#include <crypto/sha.h>
#include <asm/purgatory.h>
int verify_sha256_digest(void)
......
arch/sparc/crypto/aes_glue.c
View file @ 8b53c765
......@@ -197,14 +197,14 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
return 0;
}
static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
static void crypto_aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
struct crypto_sparc64_aes_ctx *ctx = crypto_tfm_ctx(tfm);
ctx->ops->encrypt(&ctx->key[0], (const u32 *) src, (u32 *) dst);
}
static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
static void crypto_aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
struct crypto_sparc64_aes_ctx *ctx = crypto_tfm_ctx(tfm);
......@@ -396,8 +396,8 @@ static struct crypto_alg algs[] = { {
.cia_min_keysize = AES_MIN_KEY_SIZE,
.cia_max_keysize = AES_MAX_KEY_SIZE,
.cia_setkey = aes_set_key,
.cia_encrypt = aes_encrypt,
.cia_decrypt = aes_decrypt
.cia_encrypt = crypto_aes_encrypt,
.cia_decrypt = crypto_aes_decrypt
}
}
}, {
......
arch/sparc/crypto/des_glue.c
View file @ 8b53c765
......@@ -12,7 +12,7 @@
#include <linux/mm.h>
#include <linux/types.h>
#include <crypto/algapi.h>
#include <crypto/des.h>
#include <crypto/internal/des.h>
#include <asm/fpumacro.h>
#include <asm/pstate.h>
......@@ -45,19 +45,15 @@ static int des_set_key(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen)
{
struct des_sparc64_ctx *dctx = crypto_tfm_ctx(tfm);
u32 *flags = &tfm->crt_flags;
u32 tmp[DES_EXPKEY_WORDS];
int ret;
int err;
/* Even though we have special instructions for key expansion,
* we call des_ekey() so that we don't have to write our own
* we call des_verify_key() so that we don't have to write our own
* weak key detection code.
*/
ret = des_ekey(tmp, key);
if (unlikely(ret == 0) && (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {
*flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;
}
err = crypto_des_verify_key(tfm, key);
if (err)
return err;
des_sparc64_key_expand((const u32 *) key, &dctx->encrypt_expkey[0]);
encrypt_to_decrypt(&dctx->decrypt_expkey[0], &dctx->encrypt_expkey[0]);
......@@ -68,7 +64,7 @@ static int des_set_key(struct crypto_tfm *tfm, const u8 *key,
extern void des_sparc64_crypt(const u64 *key, const u64 *input,
u64 *output);
static void des_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
static void sparc_des_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
struct des_sparc64_ctx *ctx = crypto_tfm_ctx(tfm);
const u64 *K = ctx->encrypt_expkey;
......@@ -76,7 +72,7 @@ static void des_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
des_sparc64_crypt(K, (const u64 *) src, (u64 *) dst);
}
static void des_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
static void sparc_des_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
struct des_sparc64_ctx *ctx = crypto_tfm_ctx(tfm);
const u64 *K = ctx->decrypt_expkey;
......@@ -202,14 +198,13 @@ static int des3_ede_set_key(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen)
{
struct des3_ede_sparc64_ctx *dctx = crypto_tfm_ctx(tfm);
u32 *flags = &tfm->crt_flags;
u64 k1[DES_EXPKEY_WORDS / 2];
u64 k2[DES_EXPKEY_WORDS / 2];
u64 k3[DES_EXPKEY_WORDS / 2];
int err;
err = __des3_verify_key(flags, key);
if (unlikely(err))
err = crypto_des3_ede_verify_key(tfm, key);
if (err)
return err;
des_sparc64_key_expand((const u32 *)key, k1);
......@@ -235,7 +230,7 @@ static int des3_ede_set_key(struct crypto_tfm *tfm, const u8 *key,
extern void des3_ede_sparc64_crypt(const u64 *key, const u64 *input,
u64 *output);
static void des3_ede_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
static void sparc_des3_ede_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
struct des3_ede_sparc64_ctx *ctx = crypto_tfm_ctx(tfm);
const u64 *K = ctx->encrypt_expkey;
......@@ -243,7 +238,7 @@ static void des3_ede_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
des3_ede_sparc64_crypt(K, (const u64 *) src, (u64 *) dst);
}
static void des3_ede_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
static void sparc_des3_ede_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
struct des3_ede_sparc64_ctx *ctx = crypto_tfm_ctx(tfm);
const u64 *K = ctx->decrypt_expkey;
......@@ -390,8 +385,8 @@ static struct crypto_alg algs[] = { {
.cia_min_keysize = DES_KEY_SIZE,
.cia_max_keysize = DES_KEY_SIZE,
.cia_setkey = des_set_key,
.cia_encrypt = des_encrypt,
.cia_decrypt = des_decrypt
.cia_encrypt = sparc_des_encrypt,
.cia_decrypt = sparc_des_decrypt
}
}
}, {
......@@ -447,8 +442,8 @@ static struct crypto_alg algs[] = { {
.cia_min_keysize = DES3_EDE_KEY_SIZE,
.cia_max_keysize = DES3_EDE_KEY_SIZE,
.cia_setkey = des3_ede_set_key,
.cia_encrypt = des3_ede_encrypt,
.cia_decrypt = des3_ede_decrypt
.cia_encrypt = sparc_des3_ede_encrypt,
.cia_decrypt = sparc_des3_ede_decrypt
}
}
}, {
......
arch/x86/crypto/Makefile
View file @ 8b53c765
......@@ -14,11 +14,9 @@ sha256_ni_supported :=$(call as-instr,sha256msg1 %xmm0$(comma)%xmm1,yes,no)
obj-$(CONFIG_CRYPTO_GLUE_HELPER_X86) += glue_helper.o
obj-$(CONFIG_CRYPTO_AES_586) += aes-i586.o
obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
obj-$(CONFIG_CRYPTO_SERPENT_SSE2_586) += serpent-sse2-i586.o
obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
obj-$(CONFIG_CRYPTO_DES3_EDE_X86_64) += des3_ede-x86_64.o
obj-$(CONFIG_CRYPTO_CAMELLIA_X86_64) += camellia-x86_64.o
obj-$(CONFIG_CRYPTO_BLOWFISH_X86_64) += blowfish-x86_64.o
......@@ -38,14 +36,6 @@ obj-$(CONFIG_CRYPTO_CRCT10DIF_PCLMUL) += crct10dif-pclmul.o
obj-$(CONFIG_CRYPTO_POLY1305_X86_64) += poly1305-x86_64.o
obj-$(CONFIG_CRYPTO_AEGIS128_AESNI_SSE2) += aegis128-aesni.o
obj-$(CONFIG_CRYPTO_AEGIS128L_AESNI_SSE2) += aegis128l-aesni.o
obj-$(CONFIG_CRYPTO_AEGIS256_AESNI_SSE2) += aegis256-aesni.o
obj-$(CONFIG_CRYPTO_MORUS640_GLUE) += morus640_glue.o
obj-$(CONFIG_CRYPTO_MORUS1280_GLUE) += morus1280_glue.o
obj-$(CONFIG_CRYPTO_MORUS640_SSE2) += morus640-sse2.o
obj-$(CONFIG_CRYPTO_MORUS1280_SSE2) += morus1280-sse2.o
obj-$(CONFIG_CRYPTO_NHPOLY1305_SSE2) += nhpoly1305-sse2.o
obj-$(CONFIG_CRYPTO_NHPOLY1305_AVX2) += nhpoly1305-avx2.o
......@@ -64,15 +54,11 @@ endif
ifeq ($(avx2_supported),yes)
obj-$(CONFIG_CRYPTO_CAMELLIA_AESNI_AVX2_X86_64) += camellia-aesni-avx2.o
obj-$(CONFIG_CRYPTO_SERPENT_AVX2_X86_64) += serpent-avx2.o
obj-$(CONFIG_CRYPTO_MORUS1280_AVX2) += morus1280-avx2.o
endif
aes-i586-y := aes-i586-asm_32.o aes_glue.o
twofish-i586-y := twofish-i586-asm_32.o twofish_glue.o
serpent-sse2-i586-y := serpent-sse2-i586-asm_32.o serpent_sse2_glue.o
aes-x86_64-y := aes-x86_64-asm_64.o aes_glue.o
des3_ede-x86_64-y := des3_ede-asm_64.o des3_ede_glue.o
camellia-x86_64-y := camellia-x86_64-asm_64.o camellia_glue.o
blowfish-x86_64-y := blowfish-x86_64-asm_64.o blowfish_glue.o
......@@ -82,11 +68,6 @@ chacha-x86_64-y := chacha-ssse3-x86_64.o chacha_glue.o
serpent-sse2-x86_64-y := serpent-sse2-x86_64-asm_64.o serpent_sse2_glue.o
aegis128-aesni-y := aegis128-aesni-asm.o aegis128-aesni-glue.o
aegis128l-aesni-y := aegis128l-aesni-asm.o aegis128l-aesni-glue.o
aegis256-aesni-y := aegis256-aesni-asm.o aegis256-aesni-glue.o
morus640-sse2-y := morus640-sse2-asm.o morus640-sse2-glue.o
morus1280-sse2-y := morus1280-sse2-asm.o morus1280-sse2-glue.o
nhpoly1305-sse2-y := nh-sse2-x86_64.o nhpoly1305-sse2-glue.o
......@@ -106,8 +87,6 @@ ifeq ($(avx2_supported),yes)
chacha-x86_64-y += chacha-avx2-x86_64.o
serpent-avx2-y := serpent-avx2-asm_64.o serpent_avx2_glue.o
morus1280-avx2-y := morus1280-avx2-asm.o morus1280-avx2-glue.o
nhpoly1305-avx2-y := nh-avx2-x86_64.o nhpoly1305-avx2-glue.o
endif
......
arch/x86/crypto/aegis128l-aesni-asm.S deleted 100644 → 0
View file @ 6cfae0c2
This diff is collapsed.
arch/x86/crypto/aegis128l-aesni-glue.c deleted 100644 → 0
View file @ 6cfae0c2
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* The AEGIS-128L Authenticated-Encryption Algorithm
* Glue for AES-NI + SSE2 implementation
*
* Copyright (c) 2017-2018 Ondrej Mosnacek <omosnacek@gmail.com>
* Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
*/
#include <crypto/internal/aead.h>
#include <crypto/internal/simd.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
#include <linux/module.h>
#include <asm/fpu/api.h>
#include <asm/cpu_device_id.h>
#define AEGIS128L_BLOCK_ALIGN 16
#define AEGIS128L_BLOCK_SIZE 32
#define AEGIS128L_NONCE_SIZE 16
#define AEGIS128L_STATE_BLOCKS 8
#define AEGIS128L_KEY_SIZE 16
#define AEGIS128L_MIN_AUTH_SIZE 8
#define AEGIS128L_MAX_AUTH_SIZE 16
asmlinkage void crypto_aegis128l_aesni_init(void *state, void *key, void *iv);
asmlinkage void crypto_aegis128l_aesni_ad(
void *state, unsigned int length, const void *data);
asmlinkage void crypto_aegis128l_aesni_enc(
void *state, unsigned int length, const void *src, void *dst);
asmlinkage void crypto_aegis128l_aesni_dec(
void *state, unsigned int length, const void *src, void *dst);
asmlinkage void crypto_aegis128l_aesni_enc_tail(
void *state, unsigned int length, const void *src, void *dst);
asmlinkage void crypto_aegis128l_aesni_dec_tail(
void *state, unsigned int length, const void *src, void *dst);
asmlinkage void crypto_aegis128l_aesni_final(
void *state, void *tag_xor, unsigned int cryptlen,
unsigned int assoclen);
struct aegis_block {
u8 bytes[AEGIS128L_BLOCK_SIZE] __aligned(AEGIS128L_BLOCK_ALIGN);
};
struct aegis_state {
struct aegis_block blocks[AEGIS128L_STATE_BLOCKS];
};
struct aegis_ctx {
struct aegis_block key;
};
struct aegis_crypt_ops {
int (*skcipher_walk_init)(struct skcipher_walk *walk,
struct aead_request *req, bool atomic);
void (*crypt_blocks)(void *state, unsigned int length, const void *src,
void *dst);
void (*crypt_tail)(void *state, unsigned int length, const void *src,
void *dst);
};
static void crypto_aegis128l_aesni_process_ad(
struct aegis_state *state, struct scatterlist *sg_src,
unsigned int assoclen)
{
struct scatter_walk walk;
struct aegis_block buf;
unsigned int pos = 0;
scatterwalk_start(&walk, sg_src);
while (assoclen != 0) {
unsigned int size = scatterwalk_clamp(&walk, assoclen);
unsigned int left = size;
void *mapped = scatterwalk_map(&walk);
const u8 *src = (const u8 *)mapped;
if (pos + size >= AEGIS128L_BLOCK_SIZE) {
if (pos > 0) {
unsigned int fill = AEGIS128L_BLOCK_SIZE - pos;
memcpy(buf.bytes + pos, src, fill);
crypto_aegis128l_aesni_ad(state,
AEGIS128L_BLOCK_SIZE,
buf.bytes);
pos = 0;
left -= fill;
src += fill;
}
crypto_aegis128l_aesni_ad(state, left, src);
src += left & ~(AEGIS128L_BLOCK_SIZE - 1);
left &= AEGIS128L_BLOCK_SIZE - 1;
}
memcpy(buf.bytes + pos, src, left);
pos += left;
assoclen -= size;
scatterwalk_unmap(mapped);
scatterwalk_advance(&walk, size);
scatterwalk_done(&walk, 0, assoclen);
}
if (pos > 0) {
memset(buf.bytes + pos, 0, AEGIS128L_BLOCK_SIZE - pos);
crypto_aegis128l_aesni_ad(state, AEGIS128L_BLOCK_SIZE, buf.bytes);
}
}
static void crypto_aegis128l_aesni_process_crypt(
struct aegis_state *state, struct skcipher_walk *walk,
const struct aegis_crypt_ops *ops)
{
while (walk->nbytes >= AEGIS128L_BLOCK_SIZE) {
ops->crypt_blocks(state, round_down(walk->nbytes,
AEGIS128L_BLOCK_SIZE),
walk->src.virt.addr, walk->dst.virt.addr);
skcipher_walk_done(walk, walk->nbytes % AEGIS128L_BLOCK_SIZE);
}
if (walk->nbytes) {
ops->crypt_tail(state, walk->nbytes, walk->src.virt.addr,
walk->dst.virt.addr);
skcipher_walk_done(walk, 0);
}
}
static struct aegis_ctx *crypto_aegis128l_aesni_ctx(struct crypto_aead *aead)
{
u8 *ctx = crypto_aead_ctx(aead);
ctx = PTR_ALIGN(ctx, __alignof__(struct aegis_ctx));
return (void *)ctx;
}
static int crypto_aegis128l_aesni_setkey(struct crypto_aead *aead,
const u8 *key, unsigned int keylen)
{
struct aegis_ctx *ctx = crypto_aegis128l_aesni_ctx(aead);
if (keylen != AEGIS128L_KEY_SIZE) {
crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
memcpy(ctx->key.bytes, key, AEGIS128L_KEY_SIZE);
return 0;
}
static int crypto_aegis128l_aesni_setauthsize(struct crypto_aead *tfm,
unsigned int authsize)
{
if (authsize > AEGIS128L_MAX_AUTH_SIZE)
return -EINVAL;
if (authsize < AEGIS128L_MIN_AUTH_SIZE)
return -EINVAL;
return 0;
}
static void crypto_aegis128l_aesni_crypt(struct aead_request *req,
struct aegis_block *tag_xor,
unsigned int cryptlen,
const struct aegis_crypt_ops *ops)
{
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
struct aegis_ctx *ctx = crypto_aegis128l_aesni_ctx(tfm);
struct skcipher_walk walk;
struct aegis_state state;
ops->skcipher_walk_init(&walk, req, true);
kernel_fpu_begin();
crypto_aegis128l_aesni_init(&state, ctx->key.bytes, req->iv);
crypto_aegis128l_aesni_process_ad(&state, req->src, req->assoclen);
crypto_aegis128l_aesni_process_crypt(&state, &walk, ops);
crypto_aegis128l_aesni_final(&state, tag_xor, req->assoclen, cryptlen);
kernel_fpu_end();
}
static int crypto_aegis128l_aesni_encrypt(struct aead_request *req)
{
static const struct aegis_crypt_ops OPS = {
.skcipher_walk_init = skcipher_walk_aead_encrypt,
.crypt_blocks = crypto_aegis128l_aesni_enc,
.crypt_tail = crypto_aegis128l_aesni_enc_tail,
};
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
struct aegis_block tag = {};
unsigned int authsize = crypto_aead_authsize(tfm);
unsigned int cryptlen = req->cryptlen;
crypto_aegis128l_aesni_crypt(req, &tag, cryptlen, &OPS);
scatterwalk_map_and_copy(tag.bytes, req->dst,
req->assoclen + cryptlen, authsize, 1);
return 0;
}
static int crypto_aegis128l_aesni_decrypt(struct aead_request *req)
{
static const struct aegis_block zeros = {};
static const struct aegis_crypt_ops OPS = {
.skcipher_walk_init = skcipher_walk_aead_decrypt,
.crypt_blocks = crypto_aegis128l_aesni_dec,
.crypt_tail = crypto_aegis128l_aesni_dec_tail,
};
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
struct aegis_block tag;
unsigned int authsize = crypto_aead_authsize(tfm);
unsigned int cryptlen = req->cryptlen - authsize;
scatterwalk_map_and_copy(tag.bytes, req->src,
req->assoclen + cryptlen, authsize, 0);
crypto_aegis128l_aesni_crypt(req, &tag, cryptlen, &OPS);
return crypto_memneq(tag.bytes, zeros.bytes, authsize) ? -EBADMSG : 0;
}
static int crypto_aegis128l_aesni_init_tfm(struct crypto_aead *aead)
{
return 0;
}
static void crypto_aegis128l_aesni_exit_tfm(struct crypto_aead *aead)
{
}
static struct aead_alg crypto_aegis128l_aesni_alg = {
.setkey = crypto_aegis128l_aesni_setkey,
.setauthsize = crypto_aegis128l_aesni_setauthsize,
.encrypt = crypto_aegis128l_aesni_encrypt,
.decrypt = crypto_aegis128l_aesni_decrypt,
.init = crypto_aegis128l_aesni_init_tfm,
.exit = crypto_aegis128l_aesni_exit_tfm,
.ivsize = AEGIS128L_NONCE_SIZE,
.maxauthsize = AEGIS128L_MAX_AUTH_SIZE,
.chunksize = AEGIS128L_BLOCK_SIZE,
.base = {
.cra_flags = CRYPTO_ALG_INTERNAL,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct aegis_ctx) +
__alignof__(struct aegis_ctx),
.cra_alignmask = 0,
.cra_priority = 400,
.cra_name = "__aegis128l",
.cra_driver_name = "__aegis128l-aesni",
.cra_module = THIS_MODULE,
}
};
static struct simd_aead_alg *simd_alg;
static int __init crypto_aegis128l_aesni_module_init(void)
{
if (!boot_cpu_has(X86_FEATURE_XMM2) ||
!boot_cpu_has(X86_FEATURE_AES) ||
!cpu_has_xfeatures(XFEATURE_MASK_SSE, NULL))
return -ENODEV;
return simd_register_aeads_compat(&crypto_aegis128l_aesni_alg, 1,
&simd_alg);
}
static void __exit crypto_aegis128l_aesni_module_exit(void)
{
simd_unregister_aeads(&crypto_aegis128l_aesni_alg, 1, &simd_alg);
}
module_init(crypto_aegis128l_aesni_module_init);
module_exit(crypto_aegis128l_aesni_module_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
MODULE_DESCRIPTION("AEGIS-128L AEAD algorithm -- AESNI+SSE2 implementation");
MODULE_ALIAS_CRYPTO("aegis128l");
MODULE_ALIAS_CRYPTO("aegis128l-aesni");
arch/x86/crypto/aegis256-aesni-asm.S deleted 100644 → 0
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arch/x86/crypto/aegis256-aesni-glue.c deleted 100644 → 0
View file @ 6cfae0c2
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* The AEGIS-256 Authenticated-Encryption Algorithm
* Glue for AES-NI + SSE2 implementation
*
* Copyright (c) 2017-2018 Ondrej Mosnacek <omosnacek@gmail.com>
* Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
*/
#include <crypto/internal/aead.h>
#include <crypto/internal/simd.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
#include <linux/module.h>
#include <asm/fpu/api.h>
#include <asm/cpu_device_id.h>
#define AEGIS256_BLOCK_ALIGN 16
#define AEGIS256_BLOCK_SIZE 16
#define AEGIS256_NONCE_SIZE 32
#define AEGIS256_STATE_BLOCKS 6
#define AEGIS256_KEY_SIZE 32
#define AEGIS256_MIN_AUTH_SIZE 8
#define AEGIS256_MAX_AUTH_SIZE 16
asmlinkage void crypto_aegis256_aesni_init(void *state, void *key, void *iv);
asmlinkage void crypto_aegis256_aesni_ad(
void *state, unsigned int length, const void *data);
asmlinkage void crypto_aegis256_aesni_enc(
void *state, unsigned int length, const void *src, void *dst);
asmlinkage void crypto_aegis256_aesni_dec(
void *state, unsigned int length, const void *src, void *dst);
asmlinkage void crypto_aegis256_aesni_enc_tail(
void *state, unsigned int length, const void *src, void *dst);
asmlinkage void crypto_aegis256_aesni_dec_tail(
void *state, unsigned int length, const void *src, void *dst);
asmlinkage void crypto_aegis256_aesni_final(
void *state, void *tag_xor, unsigned int cryptlen,
unsigned int assoclen);
struct aegis_block {
u8 bytes[AEGIS256_BLOCK_SIZE] __aligned(AEGIS256_BLOCK_ALIGN);
};
struct aegis_state {
struct aegis_block blocks[AEGIS256_STATE_BLOCKS];
};
struct aegis_ctx {
struct aegis_block key[AEGIS256_KEY_SIZE / AEGIS256_BLOCK_SIZE];
};
struct aegis_crypt_ops {
int (*skcipher_walk_init)(struct skcipher_walk *walk,
struct aead_request *req, bool atomic);
void (*crypt_blocks)(void *state, unsigned int length, const void *src,
void *dst);
void (*crypt_tail)(void *state, unsigned int length, const void *src,
void *dst);
};
static void crypto_aegis256_aesni_process_ad(
struct aegis_state *state, struct scatterlist *sg_src,
unsigned int assoclen)
{
struct scatter_walk walk;
struct aegis_block buf;
unsigned int pos = 0;
scatterwalk_start(&walk, sg_src);
while (assoclen != 0) {
unsigned int size = scatterwalk_clamp(&walk, assoclen);
unsigned int left = size;
void *mapped = scatterwalk_map(&walk);
const u8 *src = (const u8 *)mapped;
if (pos + size >= AEGIS256_BLOCK_SIZE) {
if (pos > 0) {
unsigned int fill = AEGIS256_BLOCK_SIZE - pos;
memcpy(buf.bytes + pos, src, fill);
crypto_aegis256_aesni_ad(state,
AEGIS256_BLOCK_SIZE,
buf.bytes);
pos = 0;
left -= fill;
src += fill;
}
crypto_aegis256_aesni_ad(state, left, src);
src += left & ~(AEGIS256_BLOCK_SIZE - 1);
left &= AEGIS256_BLOCK_SIZE - 1;
}
memcpy(buf.bytes + pos, src, left);
pos += left;
assoclen -= size;
scatterwalk_unmap(mapped);
scatterwalk_advance(&walk, size);
scatterwalk_done(&walk, 0, assoclen);
}
if (pos > 0) {
memset(buf.bytes + pos, 0, AEGIS256_BLOCK_SIZE - pos);
crypto_aegis256_aesni_ad(state, AEGIS256_BLOCK_SIZE, buf.bytes);
}
}
static void crypto_aegis256_aesni_process_crypt(
struct aegis_state *state, struct skcipher_walk *walk,
const struct aegis_crypt_ops *ops)
{
while (walk->nbytes >= AEGIS256_BLOCK_SIZE) {
ops->crypt_blocks(state,
round_down(walk->nbytes, AEGIS256_BLOCK_SIZE),
walk->src.virt.addr, walk->dst.virt.addr);
skcipher_walk_done(walk, walk->nbytes % AEGIS256_BLOCK_SIZE);
}
if (walk->nbytes) {
ops->crypt_tail(state, walk->nbytes, walk->src.virt.addr,
walk->dst.virt.addr);
skcipher_walk_done(walk, 0);
}
}
static struct aegis_ctx *crypto_aegis256_aesni_ctx(struct crypto_aead *aead)
{
u8 *ctx = crypto_aead_ctx(aead);
ctx = PTR_ALIGN(ctx, __alignof__(struct aegis_ctx));
return (void *)ctx;
}
static int crypto_aegis256_aesni_setkey(struct crypto_aead *aead, const u8 *key,
unsigned int keylen)
{
struct aegis_ctx *ctx = crypto_aegis256_aesni_ctx(aead);
if (keylen != AEGIS256_KEY_SIZE) {
crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
memcpy(ctx->key, key, AEGIS256_KEY_SIZE);
return 0;
}
static int crypto_aegis256_aesni_setauthsize(struct crypto_aead *tfm,
unsigned int authsize)
{
if (authsize > AEGIS256_MAX_AUTH_SIZE)
return -EINVAL;
if (authsize < AEGIS256_MIN_AUTH_SIZE)
return -EINVAL;
return 0;
}
static void crypto_aegis256_aesni_crypt(struct aead_request *req,
struct aegis_block *tag_xor,
unsigned int cryptlen,
const struct aegis_crypt_ops *ops)
{
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
struct aegis_ctx *ctx = crypto_aegis256_aesni_ctx(tfm);
struct skcipher_walk walk;
struct aegis_state state;
ops->skcipher_walk_init(&walk, req, true);
kernel_fpu_begin();
crypto_aegis256_aesni_init(&state, ctx->key, req->iv);
crypto_aegis256_aesni_process_ad(&state, req->src, req->assoclen);
crypto_aegis256_aesni_process_crypt(&state, &walk, ops);
crypto_aegis256_aesni_final(&state, tag_xor, req->assoclen, cryptlen);
kernel_fpu_end();
}
static int crypto_aegis256_aesni_encrypt(struct aead_request *req)
{
static const struct aegis_crypt_ops OPS = {
.skcipher_walk_init = skcipher_walk_aead_encrypt,
.crypt_blocks = crypto_aegis256_aesni_enc,
.crypt_tail = crypto_aegis256_aesni_enc_tail,
};
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
struct aegis_block tag = {};
unsigned int authsize = crypto_aead_authsize(tfm);
unsigned int cryptlen = req->cryptlen;
crypto_aegis256_aesni_crypt(req, &tag, cryptlen, &OPS);
scatterwalk_map_and_copy(tag.bytes, req->dst,
req->assoclen + cryptlen, authsize, 1);
return 0;
}
static int crypto_aegis256_aesni_decrypt(struct aead_request *req)
{
static const struct aegis_block zeros = {};
static const struct aegis_crypt_ops OPS = {
.skcipher_walk_init = skcipher_walk_aead_decrypt,
.crypt_blocks = crypto_aegis256_aesni_dec,
.crypt_tail = crypto_aegis256_aesni_dec_tail,
};
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
struct aegis_block tag;
unsigned int authsize = crypto_aead_authsize(tfm);
unsigned int cryptlen = req->cryptlen - authsize;
scatterwalk_map_and_copy(tag.bytes, req->src,
req->assoclen + cryptlen, authsize, 0);
crypto_aegis256_aesni_crypt(req, &tag, cryptlen, &OPS);
return crypto_memneq(tag.bytes, zeros.bytes, authsize) ? -EBADMSG : 0;
}
static int crypto_aegis256_aesni_init_tfm(struct crypto_aead *aead)
{
return 0;
}
static void crypto_aegis256_aesni_exit_tfm(struct crypto_aead *aead)
{
}
static struct aead_alg crypto_aegis256_aesni_alg = {
.setkey = crypto_aegis256_aesni_setkey,
.setauthsize = crypto_aegis256_aesni_setauthsize,
.encrypt = crypto_aegis256_aesni_encrypt,
.decrypt = crypto_aegis256_aesni_decrypt,
.init = crypto_aegis256_aesni_init_tfm,
.exit = crypto_aegis256_aesni_exit_tfm,
.ivsize = AEGIS256_NONCE_SIZE,
.maxauthsize = AEGIS256_MAX_AUTH_SIZE,
.chunksize = AEGIS256_BLOCK_SIZE,
.base = {
.cra_flags = CRYPTO_ALG_INTERNAL,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct aegis_ctx) +
__alignof__(struct aegis_ctx),
.cra_alignmask = 0,
.cra_priority = 400,
.cra_name = "__aegis256",
.cra_driver_name = "__aegis256-aesni",
.cra_module = THIS_MODULE,
}
};
static struct simd_aead_alg *simd_alg;
static int __init crypto_aegis256_aesni_module_init(void)
{
if (!boot_cpu_has(X86_FEATURE_XMM2) ||
!boot_cpu_has(X86_FEATURE_AES) ||
!cpu_has_xfeatures(XFEATURE_MASK_SSE, NULL))
return -ENODEV;
return simd_register_aeads_compat(&crypto_aegis256_aesni_alg, 1,
&simd_alg);
}
static void __exit crypto_aegis256_aesni_module_exit(void)
{
simd_unregister_aeads(&crypto_aegis256_aesni_alg, 1, &simd_alg);
}
module_init(crypto_aegis256_aesni_module_init);
module_exit(crypto_aegis256_aesni_module_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
MODULE_DESCRIPTION("AEGIS-256 AEAD algorithm -- AESNI+SSE2 implementation");
MODULE_ALIAS_CRYPTO("aegis256");
MODULE_ALIAS_CRYPTO("aegis256-aesni");
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Glue Code for the asm optimized version of the AES Cipher Algorithm
*
*/
#include <linux/module.h>
#include <crypto/aes.h>
#include <asm/crypto/aes.h>
asmlinkage void aes_enc_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in);
asmlinkage void aes_dec_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in);
void crypto_aes_encrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
{
aes_enc_blk(ctx, dst, src);
}
EXPORT_SYMBOL_GPL(crypto_aes_encrypt_x86);
void crypto_aes_decrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
{
aes_dec_blk(ctx, dst, src);
}
EXPORT_SYMBOL_GPL(crypto_aes_decrypt_x86);
static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
aes_enc_blk(crypto_tfm_ctx(tfm), dst, src);
}
static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
aes_dec_blk(crypto_tfm_ctx(tfm), dst, src);
}
static struct crypto_alg aes_alg = {
.cra_name = "aes",
.cra_driver_name = "aes-asm",
.cra_priority = 200,
.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypto_aes_ctx),
.cra_module = THIS_MODULE,
.cra_u = {
.cipher = {
.cia_min_keysize = AES_MIN_KEY_SIZE,
.cia_max_keysize = AES_MAX_KEY_SIZE,
.cia_setkey = crypto_aes_set_key,
.cia_encrypt = aes_encrypt,
.cia_decrypt = aes_decrypt
}
}
};
static int __init aes_init(void)
{
return crypto_register_alg(&aes_alg);
}
static void __exit aes_fini(void)
{
crypto_unregister_alg(&aes_alg);
}
module_init(aes_init);
module_exit(aes_fini);
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, asm optimized");
MODULE_LICENSE("GPL");
MODULE_ALIAS_CRYPTO("aes");
MODULE_ALIAS_CRYPTO("aes-asm");
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