Michael Bradley, Jr. - Hash-0.01

Documentation | Source
/*//////////////////////////////////////////////////////////////////////////
 * THIS PROGRAM IS A DERIVATIVE OF AN EXISTING WORK :: 27 August 2010
 * See: http://www.myersdaily.org/joseph/javascript/md5-text.html
 *
 * Significant but mostly superficial changes have been made to the structure of the
 * source so that it conforms to the Joose v3 object system for JavaScript
 * See: http://joose.it/
/*//////////////////////////////////////////////////////////////////////////


Class('Hash.MD5', {
    
  /*VERSION*/VERSION : 0.01,
    
  my : {
   
    has : {

      which32 : {
        is : 'rw',
        init : 0
      },

      hex_chr : {
        is : 'ro',
        init : '0123456789abcdef'.split('')
      }        
        
    },
        
    methods : {
    
      md5cycle : function (x, k) {
        var a = x[0],
            b = x[1],
            c = x[2],
            d = x[3]
        
        a = this.ff(a, b, c, d, k[0], 7, -680876936)
        d = this.ff(d, a, b, c, k[1], 12, -389564586)
        c = this.ff(c, d, a, b, k[2], 17,  606105819)
        b = this.ff(b, c, d, a, k[3], 22, -1044525330)
        a = this.ff(a, b, c, d, k[4], 7, -176418897)
        d = this.ff(d, a, b, c, k[5], 12,  1200080426)
        c = this.ff(c, d, a, b, k[6], 17, -1473231341)
        b = this.ff(b, c, d, a, k[7], 22, -45705983)
        a = this.ff(a, b, c, d, k[8], 7,  1770035416)
        d = this.ff(d, a, b, c, k[9], 12, -1958414417)
        c = this.ff(c, d, a, b, k[10], 17, -42063)
        b = this.ff(b, c, d, a, k[11], 22, -1990404162)
        a = this.ff(a, b, c, d, k[12], 7,  1804603682)
        d = this.ff(d, a, b, c, k[13], 12, -40341101)
        c = this.ff(c, d, a, b, k[14], 17, -1502002290)
        b = this.ff(b, c, d, a, k[15], 22,  1236535329)
          
        a = this.gg(a, b, c, d, k[1], 5, -165796510)
        d = this.gg(d, a, b, c, k[6], 9, -1069501632)
        c = this.gg(c, d, a, b, k[11], 14,  643717713)
        b = this.gg(b, c, d, a, k[0], 20, -373897302)
        a = this.gg(a, b, c, d, k[5], 5, -701558691)
        d = this.gg(d, a, b, c, k[10], 9,  38016083)
        c = this.gg(c, d, a, b, k[15], 14, -660478335)
        b = this.gg(b, c, d, a, k[4], 20, -405537848)
        a = this.gg(a, b, c, d, k[9], 5,  568446438)
        d = this.gg(d, a, b, c, k[14], 9, -1019803690)
        c = this.gg(c, d, a, b, k[3], 14, -187363961)
        b = this.gg(b, c, d, a, k[8], 20,  1163531501)
        a = this.gg(a, b, c, d, k[13], 5, -1444681467)
        d = this.gg(d, a, b, c, k[2], 9, -51403784)
        c = this.gg(c, d, a, b, k[7], 14,  1735328473)
        b = this.gg(b, c, d, a, k[12], 20, -1926607734)
          
        a = this.hh(a, b, c, d, k[5], 4, -378558)
        d = this.hh(d, a, b, c, k[8], 11, -2022574463)
        c = this.hh(c, d, a, b, k[11], 16,  1839030562)
        b = this.hh(b, c, d, a, k[14], 23, -35309556)
        a = this.hh(a, b, c, d, k[1], 4, -1530992060)
        d = this.hh(d, a, b, c, k[4], 11,  1272893353)
        c = this.hh(c, d, a, b, k[7], 16, -155497632)
        b = this.hh(b, c, d, a, k[10], 23, -1094730640)
        a = this.hh(a, b, c, d, k[13], 4,  681279174)
        d = this.hh(d, a, b, c, k[0], 11, -358537222)
        c = this.hh(c, d, a, b, k[3], 16, -722521979)
        b = this.hh(b, c, d, a, k[6], 23,  76029189)
        a = this.hh(a, b, c, d, k[9], 4, -640364487)
        d = this.hh(d, a, b, c, k[12], 11, -421815835)
        c = this.hh(c, d, a, b, k[15], 16,  530742520)
        b = this.hh(b, c, d, a, k[2], 23, -995338651)
          
        a = this.ii(a, b, c, d, k[0], 6, -198630844)
        d = this.ii(d, a, b, c, k[7], 10,  1126891415)
        c = this.ii(c, d, a, b, k[14], 15, -1416354905)
        b = this.ii(b, c, d, a, k[5], 21, -57434055)
        a = this.ii(a, b, c, d, k[12], 6,  1700485571)
        d = this.ii(d, a, b, c, k[3], 10, -1894986606)
        c = this.ii(c, d, a, b, k[10], 15, -1051523)
        b = this.ii(b, c, d, a, k[1], 21, -2054922799)
        a = this.ii(a, b, c, d, k[8], 6,  1873313359)
        d = this.ii(d, a, b, c, k[15], 10, -30611744)
        c = this.ii(c, d, a, b, k[6], 15, -1560198380)
        b = this.ii(b, c, d, a, k[13], 21,  1309151649)
        a = this.ii(a, b, c, d, k[4], 6, -145523070)
        d = this.ii(d, a, b, c, k[11], 10, -1120210379)
        c = this.ii(c, d, a, b, k[2], 15,  718787259)
        b = this.ii(b, c, d, a, k[9], 21, -343485551)
          
        x[0] = this.add32(a, x[0])
        x[1] = this.add32(b, x[1])
        x[2] = this.add32(c, x[2])
        x[3] = this.add32(d, x[3])      
      },

      cmn: function (q, a, b, x, s, t) {
        a = this.add32(this.add32(a, q), this.add32(x, t))
        return this.add32((a << s) | (a >>> (32 - s)), b)
      },

      ff : function (a, b, c, d, x, s, t) {
        return this.cmn((b & c) | ((~b) & d), a, b, x, s, t)
      },

      gg : function (a, b, c, d, x, s, t) {
        return this.cmn((b & d) | (c & (~d)), a, b, x, s, t)
      },

      hh : function (a, b, c, d, x, s, t) {
        return this.cmn(b ^ c ^ d, a, b, x, s, t)
      },

      ii : function (a, b, c, d, x, s, t) {
        return this.cmn(c ^ (b | (~d)), a, b, x, s, t)
      },

      md51 : function (s) {
        var n = s.length,
            state = [1732584193, -271733879, -1732584194, 271733878],
            i
        for (i = 64 ; i <= s.length ; i += 64) {
          this.md5cycle(state, this.md5blk(s.substring(i - 64, i)))
        }
        s = s.substring(i - 64)
        var tail = [0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0]
        for (i = 0 ; i < s.length ; i++) {
          tail[i >> 2] |= s.charCodeAt(i) << ((i % 4) << 3)
        }
        tail[i >> 2] |= 0x80 << ((i % 4) << 3)
        if (i > 55) {
          this.md5cycle(state, tail)
          for (i = 0 ; i < 16 ; i++) tail[i] = 0
        }
        tail[14] = n * 8
        this.md5cycle(state, tail)
        return state
       },
      
      md5blk : function (s) { // I figured global was faster.
        var md5blks = [], // Andy King said do it this way.
            i
        for (i = 0 ; i < 64 ; i += 4) {
          md5blks[i >> 2] = s.charCodeAt(i)
                         + (s.charCodeAt(i + 1) << 8)
                         + (s.charCodeAt(i + 2) << 16)
                         + (s.charCodeAt(i + 3) << 24)
        }
        return md5blks
      },

      rhex : function (n) {
        var s = '',
            j
        for (j = 0 ; j < 4 ; j++) {
          s += this.getHex_chr()[(n >> (j * 8 + 4)) & 0x0F]
             + this.getHex_chr()[(n >> (j * 8)) & 0x0F]
        }
        return s
      },
    
      hex : function (x) {
        for (var i = 0 ; i < x.length ; i++) {
          x[i] = this.rhex(x[i])
        }
        return x.join('')
      },
      
      add32 : function (a, b) {
        switch(this.getWhich32()) {
          case 0:
            return (a + b) & 0xFFFFFFFF 
          case 1:
            var lsw = (a & 0xFFFF) + (b & 0xFFFF),
                msw = (a >> 16) + (b >> 16) + (lsw >> 16)
            return (msw << 16) | (lsw & 0xFFFF)
          default:
            return (a + b) & 0xFFFFFFFF 
        }
      },

      hash : function (s) {      
        return this.hex(this.md51(s))
      },
      
      initialize : function () {
        if (this.hash('hello') != '5d41402abc4b2a76b9719d911017c592') {
          this.setWhich32(1)
        }
      }
  
    }

  }

})
;
/*//////////////////////////////////////////////////////////////////////////
 * THIS PROGRAM IS A DERIVATIVE OF AN EXISTING WORK :: 27 August 2010
 * See: http://anmar.eu.org/projects/jssha2/
 *
 * Significant but mostly superficial changes have been made to the structure of the
 * source so that it conforms to the Joose v3 object system for JavaScript
 * See: http://joose.it/
/*//////////////////////////////////////////////////////////////////////////


Class('Hash.SHA256', {
    
  /*VERSION*/VERSION : 0.01,
    
  my : {

    has : {

      chrsz : {
        is : 'ro',
        init : 8
      },

      upper_case : {
        is : 'rw',
        init : false
      }

    },

    methods : {

      safe_add : function (x, y) {
        var lsw = (x & 0xFFFF) + (y & 0xFFFF)
        var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
        return (msw << 16) | (lsw & 0xFFFF)
      },

      S : function (X, n) {
        return (X >>> n) | (X << (32 - n))      
      },

      R : function (X, n) {
        return (X >>> n)
      },

      Ch : function (x, y, z) {
        return ((x & y) ^ ((~x) & z))
      },

      Maj : function (x, y, z) {
        return ((x & y) ^ (x & z) ^ (y & z))
      },

      Sigma0256 : function (x) {
        return (this.S(x, 2) ^ this.S(x, 13) ^ this.S(x, 22))
      },

      Sigma1256 : function (x) {
        return (this.S(x, 6) ^ this.S(x, 11) ^ this.S(x, 25))
      },

      Gamma0256 : function (x) {
        return (this.S(x, 7) ^ this.S(x, 18) ^ this.R(x, 3))
      },

      Gamma1256 : function (x) {
        return (this.S(x, 17) ^ this.S(x, 19) ^ this.R(x, 10))
      },

      core_sha256 : function (m, l) {
        var K = new Array(0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, 0xE49B69C1, 0xEFBE4786, 0xFC19DC6, 0x240CA1CC, 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, 0xC6E00BF3, 0xD5A79147, 0x6CA6351, 0x14292967, 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13, 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85, 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3, 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070, 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5, 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3, 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2)
        var HASH = new Array(0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19)
        var W = new Array(64)
        var a, b, c, d, e, f, g, h, i, j
        var T1, T2
        m[l >> 5] |= 0x80 << (24 - l % 32)
        m[((l + 64 >> 9) << 4) + 15] = l
        for ( var i = 0 ; i < m.length ; i += 16 ) {
            a = HASH[0]
            b = HASH[1]
            c = HASH[2]
            d = HASH[3]
            e = HASH[4]
            f = HASH[5]
            g = HASH[6]
            h = HASH[7]
            for ( var j = 0 ; j < 64 ; j++) {
                if (j < 16) W[j] = m[j + i]
                else W[j] = this.safe_add(this.safe_add(this.safe_add(this.Gamma1256(W[j - 2]), W[j - 7]), this.Gamma0256(W[j - 15])), W[j - 16])
                T1 = this.safe_add(this.safe_add(this.safe_add(this.safe_add(h, this.Sigma1256(e)), this.Ch(e, f, g)), K[j]), W[j])
                T2 = this.safe_add(this.Sigma0256(a), this.Maj(a, b, c))
                h = g
                g = f
                f = e
                e = this.safe_add(d, T1)
                d = c
                c = b
                b = a
                a = this.safe_add(T1, T2)
            }
            HASH[0] = this.safe_add(a, HASH[0])
            HASH[1] = this.safe_add(b, HASH[1])
            HASH[2] = this.safe_add(c, HASH[2])
            HASH[3] = this.safe_add(d, HASH[3])
            HASH[4] = this.safe_add(e, HASH[4])
            HASH[5] = this.safe_add(f, HASH[5])
            HASH[6] = this.safe_add(g, HASH[6])
            HASH[7] = this.safe_add(h, HASH[7])
        }
        return HASH
      },

      str2binb : function (str) {
        var bin = Array()
        var mask = (1 << this.getChrsz()) - 1
        for (var i = 0 ; i < str.length * this.getChrsz() ; i += this.getChrsz()) {
            bin[i >> 5] |= (str.charCodeAt(i / this.getChrsz()) & mask) << (24 - i % 32)
        }
        return bin
      },

      Utf8Encode : function (string) {
        string = string.replace(/\r\n/g,'\n')
        var utftext = ''
        for (var n = 0 ; n < string.length ; n++) {
            var c = string.charCodeAt(n)
            if (c < 128) {
                utftext += String.fromCharCode(c)
            }
            else if((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192)
                utftext += String.fromCharCode((c & 63) | 128)
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224)
                utftext += String.fromCharCode(((c >> 6) & 63) | 128)
                utftext += String.fromCharCode((c & 63) | 128)
            }
        }
        return utftext
      },

      binb2hex : function (binarray) {
        var hex_tab = this.getUpper_case() ? '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 
      },

      hash : function (s) {
        s = this.Utf8Encode(s)
        return this.binb2hex(this.core_sha256(this.str2binb(s), s.length * this.getChrsz()))
      }

    }

  }

})

;
;