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authorAzul <azul@leap.se>2012-07-20 11:12:22 +0200
committerAzul <azul@leap.se>2012-07-20 11:12:22 +0200
commit057ff90cae59196d61dcdb46babb8d228dedcf97 (patch)
tree396428d2591881381adb21cd34d8beb9a6cba950 /src/SHA1.js
parent50de80c5e817476ac95a096c718a66f5555fcd05 (diff)
added an index file to use with sprockets
Diffstat (limited to 'src/SHA1.js')
-rw-r--r--src/SHA1.js174
1 files changed, 0 insertions, 174 deletions
diff --git a/src/SHA1.js b/src/SHA1.js
deleted file mode 100644
index e772cbe..0000000
--- a/src/SHA1.js
+++ /dev/null
@@ -1,174 +0,0 @@
-/**
-*
-* Secure Hash Algorithm (SHA1)
-* http://www.webtoolkit.info/
-*
-**/
-
-function SHA1 (msg) {
-
- function rotate_left(n,s) {
- var t4 = ( n<<s ) | (n>>>(32-s));
- return t4;
- };
-
- function lsb_hex(val) {
- var str="";
- var i;
- var vh;
- var vl;
-
- for( i=0; i<=6; i+=2 ) {
- vh = (val>>>(i*4+4))&0x0f;
- vl = (val>>>(i*4))&0x0f;
- str += vh.toString(16) + vl.toString(16);
- }
- return str;
- };
-
- function cvt_hex(val) {
- var str="";
- var i;
- var v;
-
- for( i=7; i>=0; i-- ) {
- v = (val>>>(i*4))&0x0f;
- str += v.toString(16);
- }
- return str;
- };
-
-
- function Utf8Encode(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;
- };
-
- var blockstart;
- var i, j;
- var W = new Array(80);
- var H0 = 0x67452301;
- var H1 = 0xEFCDAB89;
- var H2 = 0x98BADCFE;
- var H3 = 0x10325476;
- var H4 = 0xC3D2E1F0;
- var A, B, C, D, E;
- var temp;
-
- msg = Utf8Encode(msg);
-
- var msg_len = msg.length;
-
- var word_array = new Array();
- for( i=0; i<msg_len-3; i+=4 ) {
- j = msg.charCodeAt(i)<<24 | msg.charCodeAt(i+1)<<16 |
- msg.charCodeAt(i+2)<<8 | msg.charCodeAt(i+3);
- word_array.push( j );
- }
-
- switch( msg_len % 4 ) {
- case 0:
- i = 0x080000000;
- break;
- case 1:
- i = msg.charCodeAt(msg_len-1)<<24 | 0x0800000;
- break;
-
- case 2:
- i = msg.charCodeAt(msg_len-2)<<24 | msg.charCodeAt(msg_len-1)<<16 | 0x08000;
- break;
-
- case 3:
- i = msg.charCodeAt(msg_len-3)<<24 | msg.charCodeAt(msg_len-2)<<16 | msg.charCodeAt(msg_len-1)<<8 | 0x80;
- break;
- }
-
- word_array.push( i );
-
- while( (word_array.length % 16) != 14 ) word_array.push( 0 );
-
- word_array.push( msg_len>>>29 );
- word_array.push( (msg_len<<3)&0x0ffffffff );
-
-
- for ( blockstart=0; blockstart<word_array.length; blockstart+=16 ) {
-
- for( i=0; i<16; i++ ) W[i] = word_array[blockstart+i];
- for( i=16; i<=79; i++ ) W[i] = rotate_left(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1);
-
- A = H0;
- B = H1;
- C = H2;
- D = H3;
- E = H4;
-
- for( i= 0; i<=19; i++ ) {
- temp = (rotate_left(A,5) + ((B&C) | (~B&D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;
- E = D;
- D = C;
- C = rotate_left(B,30);
- B = A;
- A = temp;
- }
-
- for( i=20; i<=39; i++ ) {
- temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff;
- E = D;
- D = C;
- C = rotate_left(B,30);
- B = A;
- A = temp;
- }
-
- for( i=40; i<=59; i++ ) {
- temp = (rotate_left(A,5) + ((B&C) | (B&D) | (C&D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff;
- E = D;
- D = C;
- C = rotate_left(B,30);
- B = A;
- A = temp;
- }
-
- for( i=60; i<=79; i++ ) {
- temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff;
- E = D;
- D = C;
- C = rotate_left(B,30);
- B = A;
- A = temp;
- }
-
- H0 = (H0 + A) & 0x0ffffffff;
- H1 = (H1 + B) & 0x0ffffffff;
- H2 = (H2 + C) & 0x0ffffffff;
- H3 = (H3 + D) & 0x0ffffffff;
- H4 = (H4 + E) & 0x0ffffffff;
-
- }
-
- var temp = cvt_hex(H0) + cvt_hex(H1) + cvt_hex(H2) + cvt_hex(H3) + cvt_hex(H4);
-
- return temp.toLowerCase();
-
-}