Adding MD5 library for JIO conflict management storage.

OfficeJS/lib/md5/md5.js

+/*
+ *  md5.js 1.0b 27/06/96
+ *
+ * Javascript implementation of the RSA Data Security, Inc. MD5
+ * Message-Digest Algorithm.
+ *
+ * Copyright (c) 1996 Henri Torgemane. All Rights Reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software
+ * and its documentation for any purposes and without
+ * fee is hereby granted provided that this copyright notice
+ * appears in all copies.
+ *
+ * Of course, this soft is provided "as is" without express or implied
+ * warranty of any kind.
+ *
+ *
+ * Modified with german comments and some information about collisions.
+ * (Ralf Mieke, ralf@miekenet.de, http://mieke.home.pages.de)
+ * French translation: Serge François, serge@selfhtml.org, http://fr.selfhtml.org
+ */
+
+(function() {
+
+    var newArray = function (n) {
+        var i, that = {};
+        for(i=0;i<n;i++) { that[i]=0; }
+        that.length=n;
+        return that;
+    };
+
+
+
+    /* Quelques fonctions fondamentales doivent être transformées à cause
+     * d'erreurs Javascript.
+     * Essayez par exemple de calculer 0xffffffff >> 4 ...
+     * Les fonctions utilisées maintenant sont il est vrai plus lentes que les
+     * fonctions originales mais elles fonctionnent.
+     */
+
+    var integer = function (n) { return n%(0xffffffff+1); };
+
+    var shr = function (a,b) {
+        a=integer(a);
+        b=integer(b);
+        if (a-0x80000000>=0) {
+            a=a%0x80000000;
+            a>>=b;
+            a+=0x40000000>>(b-1);
+        } else {
+            a>>=b;
+        }
+        return a;
+    };
+
+    var shl1 = function (a) {
+        a=a%0x80000000;
+        if (a&0x40000000===0x40000000) {
+            a-=0x40000000;
+            a*=2;
+            a+=0x80000000;
+        } else {
+            a*=2;
+        }
+        return a;
+    };
+
+    var shl = function (a,b) {
+        a=integer(a);
+        b=integer(b);
+        for (var i=0;i<b;i++) { a=shl1(a); }
+        return a;
+    };
+
+    var and = function (a,b) {
+        a=integer(a);
+        b=integer(b);
+        var t1=(a-0x80000000);
+        var t2=(b-0x80000000);
+        if (t1>=0) {
+            if (t2>=0) {
+                return ((t1&t2)+0x80000000);
+            } else {
+                return (t1&b);
+            }
+        } else {
+            if (t2>=0) {
+                return (a&t2);
+            } else {
+                return (a&b);
+            }
+        }
+    };
+
+    var or = function (a,b) {
+        a=integer(a);
+        b=integer(b);
+        var t1=(a-0x80000000);
+        var t2=(b-0x80000000);
+        if (t1>=0) {
+            if (t2>=0) {
+                return ((t1|t2)+0x80000000);
+            } else {
+                return ((t1|b)+0x80000000);
+            }
+        } else {
+            if (t2>=0) {
+                return ((a|t2)+0x80000000);
+            } else {
+                return (a|b);
+            }
+        }
+    };
+
+    var xor = function (a,b) {
+        a=integer(a);
+        b=integer(b);
+        var t1=(a-0x80000000);
+        var t2=(b-0x80000000);
+        if (t1>=0) {
+            if (t2>=0) {
+                return (t1^t2);
+            } else {
+                return ((t1^b)+0x80000000);
+            }
+        } else {
+            if (t2>=0) {
+                return ((a^t2)+0x80000000);
+            } else {
+                return (a^b);
+            }
+        }
+    };
+
+    var not = function (a) {
+        a=integer(a);
+        return (0xffffffff-a);
+    };
+
+    /* Début de l'algorithme */
+
+    var state = newArray(4);
+    var count = newArray(2);
+    count[0] = 0;
+    count[1] = 0;
+    var buffer = newArray(64);
+    var transformBuffer = newArray(16);
+    var digestBits = newArray(16);
+
+    var S11 = 7;
+    var S12 = 12;
+    var S13 = 17;
+    var S14 = 22;
+    var S21 = 5;
+    var S22 = 9;
+    var S23 = 14;
+    var S24 = 20;
+    var S31 = 4;
+    var S32 = 11;
+    var S33 = 16;
+    var S34 = 23;
+    var S41 = 6;
+    var S42 = 10;
+    var S43 = 15;
+    var S44 = 21;
+
+    var F = function (x,y,z) {
+        return or(and(x,y),and(not(x),z));
+    };
+
+    var G = function (x,y,z) {
+        return or(and(x,z),and(y,not(z)));
+    };
+
+    var H = function (x,y,z) {
+        return xor(xor(x,y),z);
+    };
+
+    var I = function (x,y,z) {
+        return xor(y ,or(x , not(z)));
+    };
+
+    var rotateLeft = function (a,n) {
+        return or(shl(a, n),(shr(a,(32 - n))));
+    };
+
+    var FF = function (a,b,c,d,x,s,ac) {
+        a = a+F(b, c, d) + x + ac;
+        a = rotateLeft(a, s);
+        a = a+b;
+        return a;
+    };
+
+    var GG = function (a,b,c,d,x,s,ac) {
+        a = a+G(b, c, d) + x + ac;
+        a = rotateLeft(a, s);
+        a = a+b;
+        return a;
+    };
+
+    var HH = function (a,b,c,d,x,s,ac) {
+        a = a+H(b, c, d) + x + ac;
+        a = rotateLeft(a, s);
+        a = a+b;
+        return a;
+    };
+
+    var II = function (a,b,c,d,x,s,ac) {
+        a = a+I(b, c, d) + x + ac;
+        a = rotateLeft(a, s);
+        a = a+b;
+        return a;
+    };
+
+    var transform = function (buf,offset) {
+        var a=0, b=0, c=0, d=0;
+        var x = transformBuffer;
+        var i, j;
+
+        a = state[0];
+        b = state[1];
+        c = state[2];
+        d = state[3];
+
+        for (i = 0; i < 16; i++) {
+            x[i] = and(buf[i*4+offset],0xff);
+            for (j = 1; j < 4; j++) {
+                x[i]+=shl(and(buf[i*4+j+offset] ,0xff), j * 8);
+            }
+        }
+
+        /* tour 1 */
+        a = FF ( a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
+        d = FF ( d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
+        c = FF ( c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
+        b = FF ( b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
+        a = FF ( a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
+        d = FF ( d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
+        c = FF ( c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
+        b = FF ( b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
+        a = FF ( a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
+        d = FF ( d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
+        c = FF ( c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
+        b = FF ( b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
+        a = FF ( a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
+        d = FF ( d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
+        c = FF ( c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
+        b = FF ( b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
+
+        /* tour 2 */
+        a = GG ( a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
+        d = GG ( d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
+        c = GG ( c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
+        b = GG ( b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
+        a = GG ( a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
+        d = GG ( d, a, b, c, x[10], S22,  0x2441453); /* 22 */
+        c = GG ( c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
+        b = GG ( b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
+        a = GG ( a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
+        d = GG ( d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
+        c = GG ( c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
+        b = GG ( b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
+        a = GG ( a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
+        d = GG ( d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
+        c = GG ( c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
+        b = GG ( b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
+
+        /* tour 3 */
+        a = HH ( a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
+        d = HH ( d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
+        c = HH ( c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
+        b = HH ( b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
+        a = HH ( a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
+        d = HH ( d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
+        c = HH ( c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
+        b = HH ( b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
+        a = HH ( a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
+        d = HH ( d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
+        c = HH ( c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
+        b = HH ( b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
+        a = HH ( a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
+        d = HH ( d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
+        c = HH ( c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
+        b = HH ( b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
+
+        /* tour 4 */
+        a = II ( a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
+        d = II ( d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
+        c = II ( c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
+        b = II ( b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
+        a = II ( a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
+        d = II ( d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
+        c = II ( c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
+        b = II ( b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
+        a = II ( a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
+        d = II ( d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
+        c = II ( c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
+        b = II ( b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
+        a = II ( a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
+        d = II ( d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
+        c = II ( c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
+        b = II ( b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
+
+        state[0] +=a;
+        state[1] +=b;
+        state[2] +=c;
+        state[3] +=d;
+
+    };
+    /* Avec l'initialisation de  Dobbertin:
+       state[0] = 0x12ac2375;
+       state[1] = 0x3b341042;
+       state[2] = 0x5f62b97c;
+       state[3] = 0x4ba763ed;
+       s'il y a une collision:
+
+       begin 644 Message1
+       M7MH=JO6_>MG!X?!51$)W,CXV!A"=(!AR71,<X`Y-IIT9^Z&8L$2N'Y*Y:R.;
+       39GIK9>TF$W()/MEHR%C4:G1R:Q"=
+       `
+       end
+
+       begin 644 Message2
+       M7MH=JO6_>MG!X?!51$)W,CXV!A"=(!AR71,<X`Y-IIT9^Z&8L$2N'Y*Y:R.;
+       39GIK9>TF$W()/MEHREC4:G1R:Q"=
+       `
+       end
+    */
+    var init = function () {
+        var i;
+        count[0]=count[1] = 0;
+        state[0] = 0x67452301;
+        state[1] = 0xefcdab89;
+        state[2] = 0x98badcfe;
+        state[3] = 0x10325476;
+        for (i = 0; i < digestBits.length; i++) {
+            digestBits[i] = 0;
+        }
+    };
+
+    var update = function (b) {
+        var index,i;
+
+        index = and(shr(count[0],3) , 0x3f);
+        if (count[0]<0xffffffff-7) {
+            count[0] += 8;
+        } else {
+            count[1]++;
+            count[0]-=0xffffffff+1;
+            count[0]+=8;
+        }
+        buffer[index] = and(b,0xff);
+        if (index  >= 63) {
+            transform(buffer, 0);
+        }
+    };
+
+    var finish = function () {
+        var bits = newArray(8);
+        var padding;
+        var i=0, j=0, index=0, padLen=0;
+
+        for (i = 0; i < 4; i++) {
+            bits[i] = and(shr(count[0],(i * 8)), 0xff);
+        }
+        for (i = 0; i < 4; i++) {
+            bits[i+4]=and(shr(count[1],(i * 8)), 0xff);
+        }
+        index = and(shr(count[0], 3) ,0x3f);
+        padLen = (index < 56) ? (56 - index) : (120 - index);
+        padding = newArray(64);
+        padding[0] = 0x80;
+        for (i=0;i<padLen;i++) {
+            update(padding[i]);
+        }
+        for (i=0;i<8;i++) {
+            update(bits[i]);
+        }
+
+        for (i = 0; i < 4; i++) {
+            for (j = 0; j < 4; j++) {
+                digestBits[i*4+j] = and(shr(state[i], (j * 8)) , 0xff);
+            }
+        }
+    };
+
+    /* Fin de l'algorithme MD5 */
+
+    var hexa = function (n) {
+        var hexa_h = "0123456789abcdef";
+        var hexa_c="";
+        var hexa_m=n;
+        var hexa_i;
+        for (hexa_i=0;hexa_i<8;hexa_i++) {
+            hexa_c=hexa_h.charAt(Math.abs(hexa_m)%16)+hexa_c;
+            hexa_m=Math.floor(hexa_m/16);
+        }
+        return hexa_c;
+    };
+
+
+    var ascii="01234567890123456789012345678901" +
+        " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"+
+        "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
+
+    var MD5 = function (message)
+    {
+        var i,l,s,k,ka,kb,kc,kd;
+
+        init();
+        for (k=0;k<message.length;k++) {
+            l=message.charAt(k);
+            update(ascii.lastIndexOf(l));
+        }
+        finish();
+        ka=kb=kc=kd=0;
+        for (i=0;i<4;i++) { ka+=shl(digestBits[15-i], (i*8)); }
+        for (i=4;i<8;i++) { kb+=shl(digestBits[15-i], ((i-4)*8)); }
+        for (i=8;i<12;i++) { kc+=shl(digestBits[15-i], ((i-8)*8)); }
+        for (i=12;i<16;i++) { kd+=shl(digestBits[15-i], ((i-12)*8)); }
+        s=hexa(kd)+hexa(kc)+hexa(kb)+hexa(ka);
+        return s;
+    };
+    window.MD5 = MD5;
+}());