Michael Bradley, Jr. - Hash-0.06

Documentation | Source
/*//////////////////////////////////////////////////////////////////////////
 * THIS PROGRAM IS A DERIVATIVE OF AN EXISTING WORK :: 7 September 2010
 * See: http://pajhome.org.uk/crypt/md5/scripts.html
 *
 * Significant but mostly superficial changes have been made to the structure of the
 * source so that it conforms to the Joose3 object system for JavaScript
 * See: http://joose.it/
/*//////////////////////////////////////////////////////////////////////////


Joose.Class('Hash.RIPEMD160', {

  /*VERSION*/VERSION : 0.06,
    
  my : {

    has : {

      rmd160_r1 : {
        is : 'ro',
        init : [
          0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
          7,  4, 13,  1, 10,  6, 15,  3, 12,  0,  9,  5,  2, 14, 11,  8,
          3, 10, 14,  4,  9, 15,  8,  1,  2,  7,  0,  6, 13, 11,  5, 12,
          1,  9, 11, 10,  0,  8, 12,  4, 13,  3,  7, 15, 14,  5,  6,  2,
          4,  0,  5,  9,  7, 12,  2, 10, 14,  1,  3,  8, 11,  6, 15, 13
        ]
      },

      rmd160_r2 : {
        is : 'ro',
        init : [
          5, 14,  7,  0,  9,  2, 11,  4, 13,  6, 15,  8,  1, 10,  3, 12,
          6, 11,  3,  7,  0, 13,  5, 10, 14, 15,  8, 12,  4,  9,  1,  2,
          15,  5,  1,  3,  7, 14,  6,  9, 11,  8, 12,  2, 10,  0,  4, 13,
          8,  6,  4,  1,  3, 11, 15,  0,  5, 12,  2, 13,  9,  7, 10, 14,
          12, 15, 10,  4,  1,  5,  8,  7,  6,  2, 13, 14,  0,  3,  9, 11
        ]
      },

      rmd160_s1 : {
        is : 'ro',
        init : [
          11, 14, 15, 12,  5,  8,  7,  9, 11, 13, 14, 15,  6,  7,  9,  8,
          7,  6,  8, 13, 11,  9,  7, 15,  7, 12, 15,  9, 11,  7, 13, 12,
          11, 13,  6,  7, 14,  9, 13, 15, 14,  8, 13,  6,  5, 12,  7,  5,
          11, 12, 14, 15, 14, 15,  9,  8,  9, 14,  5,  6,  8,  6,  5, 12,
          9, 15,  5, 11,  6,  8, 13, 12,  5, 12, 13, 14, 11,  8,  5,  6
        ]
      },
      
      rmd160_s2 : {
        is : 'ro',
        init : [
          8,  9,  9, 11, 13, 15, 15,  5,  7,  7,  8, 11, 14, 14, 12,  6,
          9, 13, 15,  7, 12,  8,  9, 11,  7,  7, 12,  7,  6, 15, 13, 11,
          9,  7, 15, 11,  8,  6,  6, 14, 12, 13,  5, 14, 13, 13,  7,  5,
          15,  5,  8, 11, 14, 14,  6, 14,  6,  9, 12,  9, 12,  5, 15,  8,
          8,  5, 12,  9, 12,  5, 14,  6,  8, 13,  6,  5, 15, 13, 11, 11
        ]
      },

    },
   
    methods : {

      /*
       * These are the functions you'll usually want to call
       * They take string arguments and return either hex or base-64 encoded strings
       */
      hex_rmd160 : function (s) { return Encode.rstr2hex(this.rstr_rmd160(Encode.str2rstr_utf8(s))) },
      
      b64_rmd160 : function (s) { return Encode.rstr2b64(this.rstr_rmd160(Encode.str2rstr_utf8(s))) },
      
      any_rmd160 : function (s, e) { return Encode.rstr2any(this.rstr_rmd160(Encode.str2rstr_utf8(s)), e) },
      
      hex_hmac_rmd160 : function (k, d) { return Encode.rstr2hex(this.rstr_hmac_rmd160(Encode.str2rstr_utf8(k), Encode.str2rstr_utf8(d))) },
      
      b64_hmac_rmd160 : function (k, d) { return Encode.rstr2b64(this.rstr_hmac_rmd160(Encode.str2rstr_utf8(k), Encode.str2rstr_utf8(d))) },
      
      any_hmac_rmd160 : function (k, d, e) { return Encode.rstr2any(this.rstr_hmac_rmd160(Encode.str2rstr_utf8(k), Encode.str2rstr_utf8(d)), e) },
      
      /*
       * Perform a simple self-test to see if the VM is working
       */
      rmd160_vm_test : function () {
        return this.hex_rmd160('abc').toLowerCase() == '8eb208f7e05d987a9b044a8e98c6b087f15a0bfc'
      },
      
      /*
       * Calculate the rmd160 of a raw string
       */
      rstr_rmd160 : function (s) {
        return Encode.binl2rstr(this.binl_rmd160(Encode.rstr2binl(s), s.length * 8))
      },
      
      /*
       * Calculate the HMAC-rmd160 of a key and some data (raw strings)
       */
      rstr_hmac_rmd160 : function (key, data) {
        var bkey = Encode.rstr2binl(key)
        if(bkey.length > 16) bkey = this.binl_rmd160(bkey, key.length * 8)
      
        var ipad = Array(16), opad = Array(16)
        for(var i = 0; i < 16; i++) {
         ipad[i] = bkey[i] ^ 0x36363636
         opad[i] = bkey[i] ^ 0x5C5C5C5C
        }
      
        var hash = this.binl_rmd160(ipad.concat(rstr2binl(data)), 512 + data.length * 8)
        return Encode.binl2rstr(this.binl_rmd160(opad.concat(hash), 512 + 160))
      },
      
      /*
       * Calculate the RIPE-MD160 of an array of little-endian words, and a bit length.
       */
      binl_rmd160 : function (x, len) {
        /* append padding */
        x[len >> 5] |= 0x80 << (len % 32)
        x[(((len + 64) >>> 9) << 4) + 14] = len
      
        var h0 = 0x67452301
        var h1 = 0xefcdab89
        var h2 = 0x98badcfe
        var h3 = 0x10325476
        var h4 = 0xc3d2e1f0
      
        for (var i = 0; i < x.length; i += 16) {
         var T
         var A1 = h0, B1 = h1, C1 = h2, D1 = h3, E1 = h4
         var A2 = h0, B2 = h1, C2 = h2, D2 = h3, E2 = h4
         for (var j = 0; j <= 79; ++j) {
           T = this.safe_add(A1, this.rmd160_f(j, B1, C1, D1))
           T = this.safe_add(T, x[i + this.getRmd160_r1()[j]])
           T = this.safe_add(T, this.rmd160_K1(j))
           T = this.safe_add(this.bit_rol(T, this.getRmd160_s1()[j]), E1)
           A1 = E1
           E1 = D1
           D1 = this.bit_rol(C1, 10)
           C1 = B1
           B1 = T
           T = this.safe_add(A2, this.rmd160_f(79-j, B2, C2, D2))
           T = this.safe_add(T, x[i + this.getRmd160_r2()[j]])
           T = this.safe_add(T, this.rmd160_K2(j))
           T = this.safe_add(this.bit_rol(T, this.getRmd160_s2()[j]), E2)
           A2 = E2
           E2 = D2
           D2 = this.bit_rol(C2, 10)
           C2 = B2
           B2 = T
         }
          T = this.safe_add(h1, this.safe_add(C1, D2))
         h1 = this.safe_add(h2, this.safe_add(D1, E2))
         h2 = this.safe_add(h3, this.safe_add(E1, A2))
         h3 = this.safe_add(h4, this.safe_add(A1, B2))
         h4 = this.safe_add(h0, this.safe_add(B1, C2))
         h0 = T
        }
        return [h0, h1, h2, h3, h4]
      },
      
      rmd160_f : function (j, x, y, z) {
        return ( 0 <= j && j <= 15) ? (x ^ y ^ z) :
             (16 <= j && j <= 31) ? (x & y) | (~x & z) :
             (32 <= j && j <= 47) ? (x | ~y) ^ z :
             (48 <= j && j <= 63) ? (x & z) | (y & ~z) :
             (64 <= j && j <= 79) ? x ^ (y | ~z) :
             'rmd160_f: j out of range'
      },
      
      rmd160_K1 : function (j) {
        return ( 0 <= j && j <= 15) ? 0x00000000 :
             (16 <= j && j <= 31) ? 0x5a827999 :
             (32 <= j && j <= 47) ? 0x6ed9eba1 :
             (48 <= j && j <= 63) ? 0x8f1bbcdc :
             (64 <= j && j <= 79) ? 0xa953fd4e :
             'rmd160_K1: j out of range'
      },
      
      rmd160_K2 : function (j) {
        return ( 0 <= j && j <= 15) ? 0x50a28be6 :
             (16 <= j && j <= 31) ? 0x5c4dd124 :
             (32 <= j && j <= 47) ? 0x6d703ef3 :
             (48 <= j && j <= 63) ? 0x7a6d76e9 :
             (64 <= j && j <= 79) ? 0x00000000 :
             'rmd160_K2: j out of range'
      },
      
      /*
       * Add integers, wrapping at 2^32. This uses 16-bit operations internally
       * to work around bugs in some JS interpreters.
       */
      safe_add : function (x, y) {
        var lsw = (x & 0xFFFF) + (y & 0xFFFF)
        var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
        return (msw << 16) | (lsw & 0xFFFF)
      },
      
      /*
       * Bitwise rotate a 32-bit number to the left.
       */
      bit_rol : function (num, cnt) {
        return (num << cnt) | (num >>> (32 - cnt))
      }

    }

  }

})


/*///////////////////// ORIGINAL LICENSE BELOW ////////////////////////////////
 * A JavaScript implementation of the RIPEMD-160 Algorithm
 * Version 2.2 Copyright Jeremy Lin, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * All rights reserved.
 *
 * See http://pajhome.org.uk/crypt/md5 for details.
 * Also http://www.ocf.berkeley.edu/~jjlin/jsotp/
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 *  * Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of the <ORGANIZATION> nor the names of its contributors may
 *    be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
/*///////////////////////////////////////////////////////////////////////////