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<HTML> <HEAD><TITLE>Cryptage DES </TITLE><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"></HEAD> <BODY bgcolor="#CCCCFF" > <p align="center"><strong><font color="#224242">Cryptage DES</font></strong></p> <SCRIPT language="Javascript"> <!-- function des (key, message, encrypt, mode, iv) { var spfunction1 = new Array (0x1010400,0,0x10000,0x1010404,0x1010004,0x10404,0x4,0x10000,0x400,0x1010400,0x1010404,0x400,0x1000404,0x1010004,0x1000000,0x4,0x404,0x1000400,0x1000400,0x10400,0x10400,0x1010000,0x1010000,0x1000404,0x10004,0x1000004,0x1000004,0x10004,0,0x404,0x10404,0x1000000,0x10000,0x1010404,0x4,0x1010000,0x1010400,0x1000000,0x1000000,0x400,0x1010004,0x10000,0x10400,0x1000004,0x400,0x4,0x1000404,0x10404,0x1010404,0x10004,0x1010000,0x1000404,0x1000004,0x404,0x10404,0x1010400,0x404,0x1000400,0x1000400,0,0x10004,0x10400,0,0x1010004); var spfunction2 = new Array (0x80108020,0x80008000,0x8000,0x108020,0x100000,0x20,0x80100020,0x80008020,0x80000020,0x80108020,0x80108000,0x80000000,0x80008000,0x100000,0x20,0x80100020,0x108000,0x100020,0x80008020,0,0x80000000,0x8000,0x108020,0x80100000,0x100020,0x80000020,0,0x108000,0x8020,0x80108000,0x80100000,0x8020,0,0x108020,0x80100020,0x100000,0x80008020,0x80100000,0x80108000,0x8000,0x80100000,0x80008000,0x20,0x80108020,0x108020,0x20,0x8000,0x80000000,0x8020,0x80108000,0x100000,0x80000020,0x100020,0x80008020,0x80000020,0x100020,0x108000,0,0x80008000,0x8020,0x80000000,0x80100020,0x80108020,0x108000); var spfunction3 = new Array (0x208,0x8020200,0,0x8020008,0x8000200,0,0x20208,0x8000200,0x20008,0x8000008,0x8000008,0x20000,0x8020208,0x20008,0x8020000,0x208,0x8000000,0x8,0x8020200,0x200,0x20200,0x8020000,0x8020008,0x20208,0x8000208,0x20200,0x20000,0x8000208,0x8,0x8020208,0x200,0x8000000,0x8020200,0x8000000,0x20008,0x208,0x20000,0x8020200,0x8000200,0,0x200,0x20008,0x8020208,0x8000200,0x8000008,0x200,0,0x8020008,0x8000208,0x20000,0x8000000,0x8020208,0x8,0x20208,0x20200,0x8000008,0x8020000,0x8000208,0x208,0x8020000,0x20208,0x8,0x8020008,0x20200); var spfunction4 = new Array (0x802001,0x2081,0x2081,0x80,0x802080,0x800081,0x800001,0x2001,0,0x802000,0x802000,0x802081,0x81,0,0x800080,0x800001,0x1,0x2000,0x800000,0x802001,0x80,0x800000,0x2001,0x2080,0x800081,0x1,0x2080,0x800080,0x2000,0x802080,0x802081,0x81,0x800080,0x800001,0x802000,0x802081,0x81,0,0,0x802000,0x2080,0x800080,0x800081,0x1,0x802001,0x2081,0x2081,0x80,0x802081,0x81,0x1,0x2000,0x800001,0x2001,0x802080,0x800081,0x2001,0x2080,0x800000,0x802001,0x80,0x800000,0x2000,0x802080); var spfunction5 = new Array (0x100,0x2080100,0x2080000,0x42000100,0x80000,0x100,0x40000000,0x2080000,0x40080100,0x80000,0x2000100,0x40080100,0x42000100,0x42080000,0x80100,0x40000000,0x2000000,0x40080000,0x40080000,0,0x40000100,0x42080100,0x42080100,0x2000100,0x42080000,0x40000100,0,0x42000000,0x2080100,0x2000000,0x42000000,0x80100,0x80000,0x42000100,0x100,0x2000000,0x40000000,0x2080000,0x42000100,0x40080100,0x2000100,0x40000000,0x42080000,0x2080100,0x40080100,0x100,0x2000000,0x42080000,0x42080100,0x80100,0x42000000,0x42080100,0x2080000,0,0x40080000,0x42000000,0x80100,0x2000100,0x40000100,0x80000,0,0x40080000,0x2080100,0x40000100); var spfunction6 = new Array (0x20000010,0x20400000,0x4000,0x20404010,0x20400000,0x10,0x20404010,0x400000,0x20004000,0x404010,0x400000,0x20000010,0x400010,0x20004000,0x20000000,0x4010,0,0x400010,0x20004010,0x4000,0x404000,0x20004010,0x10,0x20400010,0x20400010,0,0x404010,0x20404000,0x4010,0x404000,0x20404000,0x20000000,0x20004000,0x10,0x20400010,0x404000,0x20404010,0x400000,0x4010,0x20000010,0x400000,0x20004000,0x20000000,0x4010,0x20000010,0x20404010,0x404000,0x20400000,0x404010,0x20404000,0,0x20400010,0x10,0x4000,0x20400000,0x404010,0x4000,0x400010,0x20004010,0,0x20404000,0x20000000,0x400010,0x20004010); var spfunction7 = new Array (0x200000,0x4200002,0x4000802,0,0x800,0x4000802,0x200802,0x4200800,0x4200802,0x200000,0,0x4000002,0x2,0x4000000,0x4200002,0x802,0x4000800,0x200802,0x200002,0x4000800,0x4000002,0x4200000,0x4200800,0x200002,0x4200000,0x800,0x802,0x4200802,0x200800,0x2,0x4000000,0x200800,0x4000000,0x200800,0x200000,0x4000802,0x4000802,0x4200002,0x4200002,0x2,0x200002,0x4000000,0x4000800,0x200000,0x4200800,0x802,0x200802,0x4200800,0x802,0x4000002,0x4200802,0x4200000,0x200800,0,0x2,0x4200802,0,0x200802,0x4200000,0x800,0x4000002,0x4000800,0x800,0x200002); var spfunction8 = new Array (0x10001040,0x1000,0x40000,0x10041040,0x10000000,0x10001040,0x40,0x10000000,0x40040,0x10040000,0x10041040,0x41000,0x10041000,0x41040,0x1000,0x40,0x10040000,0x10000040,0x10001000,0x1040,0x41000,0x40040,0x10040040,0x10041000,0x1040,0,0,0x10040040,0x10000040,0x10001000,0x41040,0x40000,0x41040,0x40000,0x10041000,0x1000,0x40,0x10040040,0x1000,0x41040,0x10001000,0x40,0x10000040,0x10040000,0x10040040,0x10000000,0x40000,0x10001040,0,0x10041040,0x40040,0x10000040,0x10040000,0x10001000,0x10001040,0,0x10041040,0x41000,0x41000,0x1040,0x1040,0x40040,0x10000000,0x10041000); var keys = des_createKeys (key); var m=0, i, j, temp, temp2, right1, right2, left, right, looping; var cbcleft, cbcleft2, cbcright, cbcright2 var endloop, loopinc; var len = message.length; var chunk = 0; var iterations = keys.length == 32 ? 3 : 9; if (iterations == 3) {looping = encrypt ? new Array (0, 32, 2) : new Array (30, -2, -2);} else {looping = encrypt ? new Array (0, 32, 2, 62, 30, -2, 64, 96, 2) : new Array (94, 62, -2, 32, 64, 2, 30, -2, -2);} message += "\0\0\0\0\0\0\0\0"; result = ""; tempresult = ""; if (mode == 1) { cbcleft = (iv.charCodeAt(m++) << 24) | (iv.charCodeAt(m++) << 16) | (iv.charCodeAt(m++) << 8) | iv.charCodeAt(m++); cbcright = (iv.charCodeAt(m++) << 24) | (iv.charCodeAt(m++) << 16) | (iv.charCodeAt(m++) << 8) | iv.charCodeAt(m++); m=0; } while (m < len) { left = (message.charCodeAt(m++) << 24) | (message.charCodeAt(m++) << 16) | (message.charCodeAt(m++) << 8) | message.charCodeAt(m++); right = (message.charCodeAt(m++) << 24) | (message.charCodeAt(m++) << 16) | (message.charCodeAt(m++) << 8) | message.charCodeAt(m++); if (mode == 1) {if (encrypt) {left ^= cbcleft; right ^= cbcright;} else {cbcleft2 = cbcleft; cbcright2 = cbcright; cbcleft = left; cbcright = right;}} temp = ((left >>> 4) ^ right) & 0x0f0f0f0f; right ^= temp; left ^= (temp << 4); temp = ((left >>> 16) ^ right) & 0x0000ffff; right ^= temp; left ^= (temp << 16); temp = ((right >>> 2) ^ left) & 0x33333333; left ^= temp; right ^= (temp << 2); temp = ((right >>> 8) ^ left) & 0x00ff00ff; left ^= temp; right ^= (temp << 8); temp = ((left >>> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1); left = ((left << 1) | (left >>> 31)); right = ((right << 1) | (right >>> 31)); for (j=0; j<iterations; j+=3) { endloop = looping[j+1]; loopinc = looping[j+2]; for (i=looping[j]; i!=endloop; i+=loopinc) { right1 = right ^ keys[i]; right2 = ((right >>> 4) | (right << 28)) ^ keys[i+1]; temp = left; left = right; right = temp ^ (spfunction2[(right1 >>> 24) & 0x3f] | spfunction4[(right1 >>> 16) & 0x3f] | spfunction6[(right1 >>> 8) & 0x3f] | spfunction8[right1 & 0x3f] | spfunction1[(right2 >>> 24) & 0x3f] | spfunction3[(right2 >>> 16) & 0x3f] | spfunction5[(right2 >>> 8) & 0x3f] | spfunction7[right2 & 0x3f]); } temp = left; left = right; right = temp; } left = ((left >>> 1) | (left << 31)); right = ((right >>> 1) | (right << 31)); temp = ((left >>> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1); temp = ((right >>> 8) ^ left) & 0x00ff00ff; left ^= temp; right ^= (temp << 8); temp = ((right >>> 2) ^ left) & 0x33333333; left ^= temp; right ^= (temp << 2); temp = ((left >>> 16) ^ right) & 0x0000ffff; right ^= temp; left ^= (temp << 16); temp = ((left >>> 4) ^ right) & 0x0f0f0f0f; right ^= temp; left ^= (temp << 4); if (mode == 1) {if (encrypt) {cbcleft = left; cbcright = right;} else {left ^= cbcleft2; right ^= cbcright2;}} tempresult += String.fromCharCode ((left>>>24), ((left>>>16) & 0xff), ((left>>>8) & 0xff), (left & 0xff), (right>>>24), ((right>>>16) & 0xff), ((right>>>8) & 0xff), (right & 0xff)); chunk += 8; if (chunk == 512) {result += tempresult; tempresult = ""; chunk = 0;} } return result + tempresult; } function des_createKeys (key) { pc2bytes0 = new Array (0,0x4,0x20000000,0x20000004,0x10000,0x10004,0x20010000,0x20010004,0x200,0x204,0x20000200,0x20000204,0x10200,0x10204,0x20010200,0x20010204); pc2bytes1 = new Array (0,0x1,0x100000,0x100001,0x4000000,0x4000001,0x4100000,0x4100001,0x100,0x101,0x100100,0x100101,0x4000100,0x4000101,0x4100100,0x4100101); pc2bytes2 = new Array (0,0x8,0x800,0x808,0x1000000,0x1000008,0x1000800,0x1000808,0,0x8,0x800,0x808,0x1000000,0x1000008,0x1000800,0x1000808); pc2bytes3 = new Array (0,0x200000,0x8000000,0x8200000,0x2000,0x202000,0x8002000,0x8202000,0x20000,0x220000,0x8020000,0x8220000,0x22000,0x222000,0x8022000,0x8222000); pc2bytes4 = new Array (0,0x40000,0x10,0x40010,0,0x40000,0x10,0x40010,0x1000,0x41000,0x1010,0x41010,0x1000,0x41000,0x1010,0x41010); pc2bytes5 = new Array (0,0x400,0x20,0x420,0,0x400,0x20,0x420,0x2000000,0x2000400,0x2000020,0x2000420,0x2000000,0x2000400,0x2000020,0x2000420); pc2bytes6 = new Array (0,0x10000000,0x80000,0x10080000,0x2,0x10000002,0x80002,0x10080002,0,0x10000000,0x80000,0x10080000,0x2,0x10000002,0x80002,0x10080002); pc2bytes7 = new Array (0,0x10000,0x800,0x10800,0x20000000,0x20010000,0x20000800,0x20010800,0x20000,0x30000,0x20800,0x30800,0x20020000,0x20030000,0x20020800,0x20030800); pc2bytes8 = new Array (0,0x40000,0,0x40000,0x2,0x40002,0x2,0x40002,0x2000000,0x2040000,0x2000000,0x2040000,0x2000002,0x2040002,0x2000002,0x2040002); pc2bytes9 = new Array (0,0x10000000,0x8,0x10000008,0,0x10000000,0x8,0x10000008,0x400,0x10000400,0x408,0x10000408,0x400,0x10000400,0x408,0x10000408); pc2bytes10 = new Array (0,0x20,0,0x20,0x100000,0x100020,0x100000,0x100020,0x2000,0x2020,0x2000,0x2020,0x102000,0x102020,0x102000,0x102020); pc2bytes11 = new Array (0,0x1000000,0x200,0x1000200,0x200000,0x1200000,0x200200,0x1200200,0x4000000,0x5000000,0x4000200,0x5000200,0x4200000,0x5200000,0x4200200,0x5200200); pc2bytes12 = new Array (0,0x1000,0x8000000,0x8001000,0x80000,0x81000,0x8080000,0x8081000,0x10,0x1010,0x8000010,0x8001010,0x80010,0x81010,0x8080010,0x8081010); pc2bytes13 = new Array (0,0x4,0x100,0x104,0,0x4,0x100,0x104,0x1,0x5,0x101,0x105,0x1,0x5,0x101,0x105); var iterations = key.length >= 24 ? 3 : 1; var keys = new Array (32 * iterations); var shifts = new Array (0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0); var lefttemp, righttemp, m=0, n=0, temp; for (var j=0; j<iterations; j++) { //either 1 or 3 iterations left = (key.charCodeAt(m++) << 24) | (key.charCodeAt(m++) << 16) | (key.charCodeAt(m++) << 8) | key.charCodeAt(m++); right = (key.charCodeAt(m++) << 24) | (key.charCodeAt(m++) << 16) | (key.charCodeAt(m++) << 8) | key.charCodeAt(m++); temp = ((left >>> 4) ^ right) & 0x0f0f0f0f; right ^= temp; left ^= (temp << 4); temp = ((right >>> -16) ^ left) & 0x0000ffff; left ^= temp; right ^= (temp << -16); temp = ((left >>> 2) ^ right) & 0x33333333; right ^= temp; left ^= (temp << 2); temp = ((right >>> -16) ^ left) & 0x0000ffff; left ^= temp; right ^= (temp << -16); temp = ((left >>> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1); temp = ((right >>> 8) ^ left) & 0x00ff00ff; left ^= temp; right ^= (temp << 8); temp = ((left >>> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1); temp = (left << 8) | ((right >>> 20) & 0x000000f0); left = (right << 24) | ((right << 8) & 0xff0000) | ((right >>> 8) & 0xff00) | ((right >>> 24) & 0xf0); right = temp; for (i=0; i < shifts.length; i++) { if (shifts[i]) {left = (left << 2) | (left >>> 26); right = (right << 2) | (right >>> 26);} else {left = (left << 1) | (left >>> 27); right = (right << 1) | (right >>> 27);} left &= 0xfffffff0; right &= 0xfffffff0; lefttemp = pc2bytes0[left >>> 28] | pc2bytes1[(left >>> 24) & 0xf] | pc2bytes2[(left >>> 20) & 0xf] | pc2bytes3[(left >>> 16) & 0xf] | pc2bytes4[(left >>> 12) & 0xf] | pc2bytes5[(left >>> 8) & 0xf] | pc2bytes6[(left >>> 4) & 0xf]; righttemp = pc2bytes7[right >>> 28] | pc2bytes8[(right >>> 24) & 0xf] | pc2bytes9[(right >>> 20) & 0xf] | pc2bytes10[(right >>> 16) & 0xf] | pc2bytes11[(right >>> 12) & 0xf] | pc2bytes12[(right >>> 8) & 0xf] | pc2bytes13[(right >>> 4) & 0xf]; temp = ((righttemp >>> 16) ^ lefttemp) & 0x0000ffff; keys[n++] = lefttemp ^ temp; keys[n++] = righttemp ^ (temp << 16); } } return keys; } function binToHex (s) { var r = ""; var hexes = new Array ("0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"); for (var i=0; i<s.length; i++) {r += hexes [s.charCodeAt(i) >> 4] + hexes [s.charCodeAt(i) & 0xf];} return r; } function hexToBin (s) { r = ""; var hexas = "0123456789abcdef"; var i = 0; while (i<s.length) { r += String.fromCharCode((hexas.indexOf(s.charAt(i)) << 4) | hexas.indexOf(s.charAt(i+1))); i+=2;} return r; } function coder_des(texte, cle) { return binToHex(des (cle, texte, 1, 0)); } function decoder_des(code, cle) { return des(cle, hexToBin(code), 0, 0); } function codage(){ document.forms["form"].CODEE.value = coder_des(document.forms["form"].CLAIRE.value, document.forms["form"].CLE.value); } function decodage(){ document.forms["form"].CLAIRE.value = decoder_des(document.forms["form"].CODEE.value, document.forms["form"].CLE.value); } function bruteforce(){ var bCahaineCorrecte = false; var sChar="0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^'abcdefghijklmnopqrstuvwxyz "; var sKeyForTest = sChar.substring(0,1); var bFirstKeyForTest = true; var nLenCLE = 0; sChaine = document.forms["form"].CODEE.value; while(!bCahaineCorrecte){ nLenCLE = sKeyForTest.length; bIncLnKEY = true; if(!bFirstKeyForTest){ for(nNumcar = 0; nNumcar < nLenCLE ; nNumcar++){ if(sKeyForTest.substring(nNumcar, nNumcar + 1) != sChar.substring(sChar.length - 1, sChar.length)) bIncLnKEY = false; } //on incrémente la longueur de la clé if(bIncLnKEY){ nLenCLE++; sKeyForTest = ""; for(nNumcar = 0; nNumcar < nLenCLE ; nNumcar++) sKeyForTest = sKeyForTest + sChar.substring(0,1); } //on passe à la clé suivante... else{ bFoundPosCharToInc = false; nPosCharToInc = nLenCLE - 1; while(!bFoundPosCharToInc){ if(sKeyForTest.substring(nPosCharToInc, nPosCharToInc + 1) != sChar.substring(sChar.length - 1, sChar.length)) bFoundPosCharToInc = true; else nPosCharToInc = nPosCharToInc - 1; } sKeyForTest = sKeyForTest.substring(0,nPosCharToInc ) + sChar.substring(sChar.indexOf(sKeyForTest.substring(nPosCharToInc, nPosCharToInc + 1)) + 1,sChar.indexOf(sKeyForTest.substring(nPosCharToInc, nPosCharToInc + 1))+2); while(sKeyForTest.length != nLenCLE) sKeyForTest = sKeyForTest + sChar.substring(0,1); } } else bFirstKeyForTest = false; if(CharsStringIsInThisString(decoder_des(document.forms["form"].CODEE.value, sKeyForTest), sChar)){ document.forms["form"].CLE.value = sKeyForTest; document.forms["form"].CLAIRE.value = decoder_des(document.forms["form"].CODEE.value, sKeyForTest); bCahaineCorrecte = true; } } } function CharsStringIsInThisString(sChaineTest, sThisString){ var bOKchaine = true; for(nCPT = 0; nCPT < sChaineTest.length; nCPT++) if(sThisString.indexOf(sChaineTest.substring(nCPT, nCPT + 1)) == -1 && sChaineTest.charCodeAt(nCPT) != 0){ bOKchaine = false; } return bOKchaine; } //--> </SCRIPT> <p> </p> <FORM name="form" method="post" action=""> <TABLE> <TR><TD>Clé :</TD> <TD><input type="text" name="CLE"></TD> </TR> <TR><TD>Chaîne claire (ascii) :</TD> <TD><input name="CLAIRE" type="text" size="110"></TD> </TR> <TR><TD>Chaîne codée (hexa) :</TD> <TD><input name="CODEE" type="text" size="110"></TD> </TR> </TABLE> </FORM> <p> </p> <p> </p> <p> </p> <TABLE align = center> <TD> <input type="button" name="coder" onClick= "codage()" value="Coder"> <input type="button" name="decoder" onClick= "decodage()" value="Décoder"> <input type="button" onClick= "bruteforce()" name="bruteforce" value="Brute Force!"> </TD> </TABLE> </BODY> </HTML>
15 févr. 2010 à 17:01
comment il fé pour recuperer son compte fb et son msn..
merci d'avance...
29 déc. 2009 à 16:28
24 nov. 2009 à 19:05
24 nov. 2009 à 19:05
13 sept. 2009 à 02:54
Vous n'êtes pas encore membre ?
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