Index: lib/sha1.js |
diff --git a/lib/sha1.js b/lib/sha1.js |
deleted file mode 100644 |
index f88f4e919881c438a00f940ceafd56eedbdcad47..0000000000000000000000000000000000000000 |
--- a/lib/sha1.js |
+++ /dev/null |
@@ -1,173 +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(); |
-} |