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JS for password encryption

Source: Internet
Author: User
Tags base64 encode bitwise crypt hmac md5 encryption rfc sha1 sha1 encryption
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1, Base64 encryption

Introduce the Base64.js file to the page and call the method:

　　　

<! DOCTYPE html>
<meta charset= "Utf-8" >
<TITLE>BASE64 Encryption </title>
<script type= "Text/javascript" src= "Base64.js" ></script>
<script type= "Text/javascript" >  
        var B = new Base64 ();  
        var str = b.encode ("Admin:admin");  
        Alert ("Base64 encode:" + str);  
Decrypt
        str = B.decode (str);  
        Alert ("Base64 decode:" + str);  
</script>  

<body>
</body>
2, MD5 encryption
Refer to the Md5.js file in the page, calling the method
　　
<! DOCTYPE html>
<meta charset= "Utf-8" >
<TITLE>MD5 Encryption </title>
<script type= "Text/ecmascript" src= "Md5.js" ></script>
<script type= "Text/javascript" >  
  var hash = hex_md5 ("123dafd");
    Alert (hash)
</script>  

<body>
</body>
3, SHA1 encryption
It's said to be the safest encryption.
The sha1.js is introduced into the page, and the method is called
　　
<! DOCTYPE html>
<meta charset= "Utf-8" >
<TITLE>SHA1 Encryption </title>
<script type= "Text/ecmascript" src= "Sha1.js" ></script>
<script type= "Text/javascript" >
  var sha = hex_sha1 (' mima123465 ')
    Alert (SHA)   
</script>  

<body>
</body>
Base64.js
/** * * Base64 encode/decode * * @author haitao.tu * @date 2010-04-26 * @email [email protected] * * * function Base () {//private property _keystr = ' abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789+/= ';//Public Method for encoding This.encode = function (input) {var output = ""; var chr1, CHR2, CHR3, Enc1, Enc2, enc3, Enc4; var i = 0; input = _utf8_encode (input); while (I < input.length) {chr1 = Input.charcodeat (i++); chr2 = Input.charcodeat (i++); chr3 = Input.charcodeat (i++); en C1 = Chr1 >> 2; ENC2 = ((Chr1 & 3) << 4) | (CHR2 >> 4); Enc3 = ((CHR2 &) << 2) | (CHR3 >> 6); Enc4 = CHR3 & 63; if (IsNaN (CHR2)) {enc3 = Enc4 = +,} else if (IsNaN (CHR3)) {Enc4 = $;} output = output + _keystr.charat (ENC1) + _keys Tr.charat (ENC2) + _keystr.charat (enc3) + _keystr.charat (ENC4); } return output; }//Public method for decoding This.decode = function (input) {var output = ""; var chr1, CHR2, CHR3; var enc1, Enc2, ENC3, Enc4; var i = 0; input = Input.replace (/[^a-za-z0-9\+\/\=]/g, ""); while (I < input.length) {enc1 = _keystr.indexof (Input.charat (i++)); enc2 = _keystr.indexof (Input.charat (i++)); enc3 = _keystr.indexof (Input.charat (i++)); Enc4 = _keystr.indexof (Input.charat (i++)); CHR1 = (enc1 << 2) | (Enc2 >> 4); CHR2 = ((Enc2 &) << 4) | (enc3 >> 2); CHR3 = ((enc3 & 3) << 6) | Enc4; Output = output + String.fromCharCode (CHR1); if (enc3! =) {output = output + String.fromCharCode (CHR2);} if (Enc4! =) {output = output + String.fromCharCode (c HR3); }} output = _utf8_decode (output); return output; }//Private method for UTF-8 encoding _utf8_encode = function (string) {string = String.Replace (/\r\n/g, "\ n"); var utfte XT = ""; for (var n = 0; n < string.length; n++) {var c = string.charcodeat (n), if (C < +) {Utftext + = String.fromcharcod E (c); } else if ((C > 127) && (C < 2048)) {Utftext + = String.fromCharCode ((c >> 6) | 192); Utftext + = String.fromCharCode ((C & 63) | 128); } else {utftext + = String.fromCharCode ((c >> N) | 224) Utftext + = String.fromCharCode (((c >> 6) & 63) | 128); Utftext + = String.fromCharCode ((C & 63) | 128); }} return utftext; }//Private method for UTF-8 decoding _utf8_decode = function (utftext) {var string = ""; var i = 0; var c = C1 = C2 = 0; while (I < utftext.length) {c = utftext.charcodeat (i), if (C < +) {string + String.fromCharCode (c); i++;} el Se if ((C > 191) && (C < 224)) {C2 = Utftext.charcodeat (i+1); string + = String.fromCharCode (((C &) &L t;< 6) | (C2 & 63)); i + = 2; } else {c2 = Utftext.charcodeat (i+1); C3 = Utftext.charcodeat (i+2); string + = String.fromCharCode (((C &) << 12) | ((C2 &) << 6) | (C3 & 63)); i + = 3; }} return string; } }
 Md5.js 
 
/* * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message * Digest algorithm, as defined in RFC 1321. * Version 2.1 Copyright (C) Paul Johnston 1999-2002. * Other Contributors:greg Holt, Andrew Kepert, Ydnar, lostinet * Distributed under the BSD License * See HTTP://PAJHOME.O RG.UK/CRYPT/MD5 for more info. */* * Configurable variables. Need to tweak these to being compatible with * The server-side, and the defaults work on most cases. */var hexcase = 0; /* Hex output format. 0-lowercase; 1-uppercase */var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */var Chrsz = 8; /* bits per input character. 8-ascii; 16-unicode */* * These is the functions you'll usually want to call * They take string arguments and return either he X or BASE-64 encoded strings * * Function hex_md5 (s) {return Binl2hex (CORE_MD5 (Str2binl (s), s.length * Chrsz));} function B 64_MD5 (s) {return binl2b64 (CORE_MD5 (Str2binl (s), s.length * Chrsz));} function Str_md5 (s) {return binl2str (CORE_MD5 (Str2binl (s), s.length * chrsz)), function hex_hmac_md5 (key, data) {return Binl2hex (core_ HMAC_MD5 (key, data)); } function B64_hmac_md5 (key, data) {return binl2b64 (CORE_HMAC_MD5 (key, data))} function Str_hmac_md5 (key, data) {Retur N Binl2str (CORE_HMAC_MD5 (key, data)); }/* * Perform a simple self-test to see if the VM is working */function Md5_vm_test () {return HEX_MD5 ("abc") = = "900150 983cd24fb0d6963f7d28e17f72 "; }/* * Calculate the MD5 of an array of Little-endian words, and a bit length */function Core_md5 (x, len) {/* Append pad Ding */X[len >> 5] |= 0x80 << (len)% 32); X[((len + >>> 9) << 4) + +] = len; var a = 1732584193; var b =-271733879; var c =-1732584194; var d = 271733878; for (var i = 0; i < x.length; i + = +) {var olda = A; var oldb = b; var oldc = c; var oldd = D; a = Md5_ff (A, B, C, D, x[i+ 0], 7,-680876936); D = md5_ff (d, a, B, C, x[i+ 1], 12,-389564586); c = md5_ff (c, D, a, B, x[i+ 2], 17, 606105819); b = md5_ff (b, C, D, A, x[i+ 3], 22,-1044525330); A = Md5_ff (A, B, C, D, x[i+ 4], 7,-176418897); D = md5_ff (d, a, B, C, x[i+ 5], 12, 1200080426); c = md5_ff (c, D, a, B, x[i+ 6], 17,-1473231341); b = md5_ff (b, C, D, A, x[i+ 7], 22,-45705983); A = Md5_ff (A, B, C, D, x[i+ 8], 7, 1770035416); D = md5_ff (d, a, B, C, x[i+ 9], 12,-1958414417); c = md5_ff (c, D, a, B, x[i+10], 17,-42063); b = md5_ff (b, C, D, A, x[i+11], 22,-1990404162); A = Md5_ff (A, B, C, D, X[i+12], 7, 1804603682); D = md5_ff (d, a, B, C, x[i+13], 12,-40341101); c = md5_ff (c, D, a, B, x[i+14], 17,-1502002290); b = md5_ff (b, C, D, A, x[i+15], 22, 1236535329); A = Md5_gg (A, B, C, D, x[i+ 1], 5,-165796510); D = Md5_gg (d, a, B, C, x[i+ 6], 9,-1069501632); c = Md5_gg (c, D, a, B, x[i+11], 14, 643717713); b = Md5_gg (b, C, D, A, x[i+ 0], 20,-373897302); A = Md5_gg (A, B, C, D, x[i+ 5], 5,-701558691); D = Md5_gg (d, a, B, C, x[i+10], 9, 38016083); c = Md5_gg (c, D, a, B, x[i+15], 14,-660478335); b = Md5_gG (b, C, D, A, x[i+ 4], 20,-405537848); A = Md5_gg (A, B, C, D, x[i+ 9], 5, 568446438); D = Md5_gg (d, a, B, C, x[i+14], 9,-1019803690); c = Md5_gg (c, D, a, B, x[i+ 3], 14,-187363961); b = Md5_gg (b, C, D, A, x[i+ 8], 20, 1163531501); A = Md5_gg (A, B, C, D, X[i+13], 5,-1444681467); D = Md5_gg (d, a, B, C, x[i+ 2], 9,-51403784); c = Md5_gg (c, D, a, B, x[i+ 7], 14, 1735328473); b = Md5_gg (b, C, D, A, x[i+12], 20,-1926607734); A = Md5_hh (A, B, C, D, x[i+ 5], 4,-378558); D = md5_hh (d, a, B, C, x[i+ 8], 11,-2022574463); c = md5_hh (c, D, a, B, x[i+11], 16, 1839030562); b = md5_hh (b, C, D, A, x[i+14], 23,-35309556); A = Md5_hh (A, B, C, D, x[i+ 1], 4,-1530992060); D = md5_hh (d, a, B, C, x[i+ 4], 11, 1272893353); c = md5_hh (c, D, a, B, x[i+ 7], 16,-155497632); b = md5_hh (b, C, D, A, x[i+10], 23,-1094730640); A = Md5_hh (A, B, C, D, X[i+13], 4, 681279174); D = md5_hh (d, a, B, C, x[i+ 0], 11,-358537222); c = md5_hh (c, D, a, B, x[i+ 3], 16,-722521979); b = md5_hh (b, C, D, A, x[i+ 6], 23, 76029189); A = Md5_hh (A, B, C, D, x[i+ 9], 4,-640364487); D = md5_hh (d, a, B, C, x[i+12], 11,-421815835); c = md5_hh (c, D, a, B, x[i+15], 16, 530742520); b = md5_hh (b, C, D, A, x[i+ 2], 23,-995338651); A = Md5_ii (A, B, C, D, x[i+ 0], 6,-198630844); D = Md5_ii (d, a, B, C, x[i+ 7], 10, 1126891415); c = Md5_ii (c, D, a, B, x[i+14], 15,-1416354905); b = Md5_ii (b, C, D, A, x[i+ 5], 21,-57434055); A = Md5_ii (A, B, C, D, X[i+12], 6, 1700485571); D = Md5_ii (d, a, B, C, x[i+ 3], 10,-1894986606); c = Md5_ii (c, D, a, B, x[i+10], 15,-1051523); b = Md5_ii (b, C, D, A, x[i+ 1], 21,-2054922799); A = Md5_ii (A, B, C, D, x[i+ 8], 6, 1873313359); D = Md5_ii (d, a, B, C, x[i+15], 10,-30611744); c = Md5_ii (c, D, a, B, x[i+ 6], 15,-1560198380); b = Md5_ii (b, C, D, A, x[i+13], 21, 1309151649); A = Md5_ii (A, B, C, D, x[i+ 4], 6,-145523070); D = Md5_ii (d, a, B, C, x[i+11], 10,-1120210379); c = Md5_ii (c, D, a, B, x[i+ 2], 15, 718787259); b = Md5_ii (b, C, D, A, x[i+ 9], 21,-343485551); A =Safe_add (A, Olda); b = Safe_add (b, oldb); c = Safe_add (c, OLDC); D = Safe_add (d, OLDD); } return Array (A, B, C, D); }/* * These functions implement the four basic operations the algorithm uses. */function MD5_CMN (q, A, B, X, S, t) {return safe_add (Bit_rol (Safe_add (Safe_add (A, Q), Safe_add (x, T)), s), b);} Functio N Md5_ff (A, B, C, D, X, S, t) {return md5_cmn (b & c) | ((~b) & D), A, B, X, S, T); } function Md5_gg (A, B, C, D, X, S, t) {return MD5_CMN (b & D) | (C & (~d)), A, B, X, S, T); } function Md5_hh (A, B, C, D, X, S, t) {return md5_cmn (b ^ C ^ D, a, B, X, S, t),} function Md5_ii (A, B, C, D, X, S, t) {return md5_cmn (c ^ (b | (~d)), A, B, X, S, T); }/* * Calculate the HMAC-MD5, of a key and some data */function CORE_HMAC_MD5 (key, data) {var bkey = str2binl (key); if ( Bkey.length >) bkey = Core_md5 (Bkey, key.length * chrsz); var ipad = array (+), Opad = Array (16); for (var i = 0; i < i++) {Ipad[i] = bkey[i] ^ 0x36363636; opad[i] = bkey[i] ^ 0x5c5c5c5c; } var hash = Core_md5 (Ipad.concat (STR2BINL (data)), + data.length * chrsz); Return Core_md5 (Opad.concat (hash), 512 + 128); }/* * Add integers, wrapping at 2^32. This uses 16-bit operations internally * To work around bugs in some JS interpreters. */function Safe_add (x, y) {var LSW = (x & 0xFFFF) + (Y & 0xFFFF); var MSW = (x >> +) + (y >> 16) + (LSW >> 16); Return (MSW << 16) | (LSW & 0xFFFF); }/* * Bitwise rotate a 32-bit number to the left. */function Bit_rol (num, cnt) {return (num << cnt) | (Num >>> (32-cnt)); }/* * Convert A string to an array of Little-endian words * If Chrsz is ASCII, characters >255 has their hi-byte sile Ntly ignored. */function Str2binl (str) {var bin = Array (); var mask = (1 << chrsz)-1; for (var i = 0; i < str.length * Chrsz ; i + = Chrsz) bin[i>>5] |= (Str.charcodeat (I/chrsz) & Mask) << (i%32); return bin; }/* * Convert an array of Little-endian words to a StRing */function binl2str (BIN) {var str = ""; var mask = (1 << chrsz)-1; for (var i = 0; i < Bin.length * +, i + = Chrsz) str + string.fromcharcode ((bin[i>>5] >>> (i%)) &amp ; mask); return str; }/* * Convert an array of Little-endian words to a hex string. */function Binl2hex (BinArray) {var hex_tab = hexcase? "0123456789ABCDEF": "0123456789abcdef"; var str = ""; for (var i = 0; i < binarray.length * 4; i++) {str + Hex_tab.charat ((Binarray[i>>2] >> ((i%4) *8+4) & 0xF) + Hex_tab.charat ((Binarray[i>>2] >> ((i%4) *8) & 0xF); } return str; }/* * Convert an array of Little-endian words to a base-64 String */function binl2b64 (binarray) {var tab = "Abcdefghijk lmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789+/"; var str = ""; for (var i = 0; i < binarray.length * 4; i + = 3) {var triplet = (((binarray[i >> 2] >> 8 * (i%4)) & 0 XFF) << 16) | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4))& 0xFF) << 8) | ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF); for (var j = 0; J < 4; J + +) {if (I * 8 + J * 6 > Binarray.length * +) str + = B64pad; else str + tab.charat (triplet >> 6* (3-j)) & 0x3F); }} return str; }
 Sha1.js 
 
/* * A JavaScript implementation of the Secure Hash algorithm, SHA-1, as defined * in FIPS PUB 180-1 * Version 2.1-beta Co Pyright Paul Johnston 2000-2002. * Other Contributors:greg Holt, Andrew Kepert, Ydnar, lostinet * Distributed under the BSD License * See HTTP://PAJHOME.O RG.UK/CRYPT/MD5 for details. */* * Configurable variables. Need to tweak these to being compatible with * The server-side, and the defaults work on most cases. */var hexcase = 0; /* Hex output format. 0-lowercase; 1-uppercase */var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */var Chrsz = 8; /* bits per input character. 8-ascii; 16-unicode */* * These is the functions you'll usually want to call * They take string arguments and return either he X or BASE-64 encoded strings * * Function hex_sha1 (s) {return Binb2hex (CORE_SHA1 (STR2BINB (s), s.length * Chrsz));} functi On B64_SHA1 (s) {return binb2b64 (CORE_SHA1 (STR2BINB (s), s.length * chrsz)), function str_sha1 (s) {RetuRN Binb2str (CORE_SHA1 (STR2BINB (s), s.length * Chrsz)); } function Hex_hmac_sha1 (key, data) {return Binb2hex (CORE_HMAC_SHA1 (key, data))} function B64_hmac_sha1 (key, data) {RE Turn binb2b64 (CORE_HMAC_SHA1 (key, data)); } function Str_hmac_sha1 (key, data) {return binb2str (CORE_HMAC_SHA1 (key, data));}/* * Perform a simple self-test to see If the VM is working */function Sha1_vm_test () {return HEX_SHA1 ("abc") = = "a9993e364706816aba3e25717850c26c9cd0d89d";} /* * Calculate the SHA-1 of an array of Big-endian words, and a bit length */function CORE_SHA1 (x, len) {/* Append Padd ing */x[len >> 5] |= 0x80 << (24-len% 32); x[(len + >> 9) << 4) + [] = Len; var w = Array (80); var a = 1732584193; var b =-271733879; var c =-1732584194; var d = 271733878; var e =-1009589776; for (var i = 0; i < x.length; i + = +) {var olda = A; var oldb = b; var oldc = c; var oldd = d; var olde = e; for (var j = 0; J < 80; J + +) {if (J <) W[j] = X[i + j]; else W[j] = Rol (w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1); var t = safe_add (Safe_add (Rol (A, 5), sha1_ft (J, B, C, D)), Safe_add (Safe_add (E, w[j]), Sha1_kt (j)); e = D; D = C; c = Rol (b, 30); b = A; A = t; } A = Safe_add (A, Olda); b = Safe_add (b, oldb); c = Safe_add (c, OLDC); D = Safe_add (d, OLDD); E = Safe_add (e, Olde); } return Array (A, B, C, D, E); }/* * Perform the appropriate triplet combination function for the current * Iteration * * Function sha1_ft (t, B, C, D) { if (T <) return (b & c) | ((~b) & D); if (T < a) return b ^ C ^ D; if (T <) return (b & c) | (b & D) | (C & D); Return b ^ C ^ D; }/* * Determine the appropriate additive constant for the current iteration * * function sha1_kt (t) {return (T < 20)? 1518500249: (T < 40)? 1859775393: (T < 60)? -1894007588:-899497514; }/* * Calculate the HMAC-SHA1 of a key and some data * * function CORE_HMAC_SHA1 (key, data) {var bkey = str2binb (key); if (Bkey.length >) bkey = core_SHA1 (Bkey, key.length * chrsz); var ipad = array (+), Opad = Array (16); for (var i = 0; i < i++) {Ipad[i] = bkey[i] ^ 0x36363636; opad[i] = bkey[i] ^ 0x5c5c5c5c;} var hash = CORE_SHA1 (i Pad.concat (data), STR2BINB + data.length * chrsz); Return Core_sha1 (Opad.concat (hash), 512 + 160); }/* * Add integers, wrapping at 2^32. This uses 16-bit operations internally * To work around bugs in some JS interpreters. */function Safe_add (x, y) {var LSW = (x & 0xFFFF) + (Y & 0xFFFF); var MSW = (x >> +) + (y >> 16) + (LSW >> 16); Return (MSW << 16) | (LSW & 0xFFFF); }/* * Bitwise rotate a 32-bit number to the left. */function Rol (num, cnt) {return (num << cnt) | (Num >>> (32-cnt)); }/* * Convert an 8-bit or 16-bit string to a array of Big-endian words * in 8-bit function, characters >255 has thei R Hi-byte silently ignored. */function Str2binb (str) {var bin = Array (); var mask = (1 << chrsz)-1; for (var i = 0; I &Lt Str.length * CHRSZ; i + = Chrsz) bin[i >> 5] |= (Str.charcodeat (I/chrsz) & Mask) << (24-i% 32); return bin; }/* * Convert an array of Big-endian words to a String */function Binb2str (BIN) {var str = ""; var mask = (1 << chrsz)-1; for (var i = 0; i < bin.length *, i + = Chrsz) str + string.fromcharcode ((bin[i >> 5) >>> (24-i% 3 2)) & mask); return str; }/* * Convert an array of Big-endian words to a hex string. */function Binb2hex (BinArray) {var hex_tab = hexcase? "0123456789ABCDEF": "0123456789abcdef"; var str = ""; for (var i = 0; i < binarray.length * 4; i++) {str + = Hex_tab.charat ((binarray[i >> 2] >> ((3-i% 4) * 8 + 4)) & 0xF) + Hex_tab.charat ((binarray[i >> 2] >> ((3-i% 4) * 8) & 0xF); } return str; }/* * Convert an array of Big-endian words to a base-64 String */function binb2b64 (binarray) {var tab = "Abcdefghijklmn opqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789+/"; VAr str = ""; for (var i = 0; i < binarray.length * 4; i + = 3) {var triplet = (((binarray[i >> 2] >> 8 * (3-i% 4)) &A mp 0xFF) << 16) | (((binarray[i + 1 >> 2] >> 8 * (3-(i + 1)% 4)) & 0xFF) << 8) | ((Binarray[i + 2 >> 2] >> 8 * (3-(i + 2)% 4)) & 0xFF); for (var j = 0; J < 4; J + +) {if (I * 8 + J * 6 > Binarray.length * +) str + = B64pad; else str + tab.charat (TRIPL ET >> 6 * (3-J)) & 0x3F); }} return str; }
 JS for password encryption

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