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| |
| <title>SunSpider crypto-sha1</title> |
| <link rel="stylesheet" href="sunspider.css"> |
| </head> |
| |
| <body> |
| <h3>crypto-sha1</h3> |
| <div id="console"> |
| </div> |
| <script src="sunspider-record-result.js"></script> |
| <script> |
| |
| var _sunSpiderStartDate = new Date(); |
| |
| /* |
| * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined |
| * in FIPS PUB 180-1 |
| * Version 2.1a Copyright Paul Johnston 2000 - 2002. |
| * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet |
| * Distributed under the BSD License |
| * See http://pajhome.org.uk/crypt/md5 for details. |
| */ |
| |
| /* |
| * Configurable variables. You may need to tweak these to be compatible with |
| * the server-side, but the defaults work in 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 are the functions you'll usually want to call |
| * They take string arguments and return either hex or base-64 encoded strings |
| */ |
| function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));} |
| function 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){ return 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 padding */ |
| x[len >> 5] |= 0x80 << (24 - len % 32); |
| x[((len + 64 >> 9) << 4) + 15] = 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 += 16) |
| { |
| var olda = a; |
| var oldb = b; |
| var oldc = c; |
| var oldd = d; |
| var olde = e; |
| |
| for(var j = 0; j < 80; j++) |
| { |
| if(j < 16) 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 < 20) return (b & c) | ((~b) & d); |
| if(t < 40) return b ^ c ^ d; |
| if(t < 60) 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 > 16) bkey = core_sha1(bkey, key.length * chrsz); |
| |
| 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 = core_sha1(ipad.concat(str2binb(data)), 512 + 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 >> 16) + (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 an array of big-endian words |
| * In 8-bit function, characters >255 have their hi-byte silently ignored. |
| */ |
| function str2binb(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) << (32 - chrsz - 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 * 32; i += chrsz) |
| str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & 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 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
| var str = ""; |
| for(var i = 0; i < binarray.length * 4; i += 3) |
| { |
| var triplet = (((binarray[i >> 2] >> 8 * (3 - i %4)) & 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 * 32) str += b64pad; |
| else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); |
| } |
| } |
| return str; |
| } |
| |
| |
| var plainText = "Two households, both alike in dignity,\n\ |
| In fair Verona, where we lay our scene,\n\ |
| From ancient grudge break to new mutiny,\n\ |
| Where civil blood makes civil hands unclean.\n\ |
| From forth the fatal loins of these two foes\n\ |
| A pair of star-cross'd lovers take their life;\n\ |
| Whole misadventured piteous overthrows\n\ |
| Do with their death bury their parents' strife.\n\ |
| The fearful passage of their death-mark'd love,\n\ |
| And the continuance of their parents' rage,\n\ |
| Which, but their children's end, nought could remove,\n\ |
| Is now the two hours' traffic of our stage;\n\ |
| The which if you with patient ears attend,\n\ |
| What here shall miss, our toil shall strive to mend."; |
| |
| for (var i = 0; i <4; i++) { |
| plainText += plainText; |
| } |
| |
| var sha1Output = hex_sha1(plainText); |
| |
| |
| var _sunSpiderInterval = new Date() - _sunSpiderStartDate; |
| |
| record(_sunSpiderInterval); |
| </script> |
| |
| |
| </body> |
| </html> |