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<script language="JavaScript">
<script language="JavaScript">
/*
/*
* A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
* A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
* in FIPS PUB 180-1
* in FIPS PUB 180-1
* Version 2.1 Copyright Paul Johnston 2000 - 2002.
* Version 2.1 Copyright Paul Johnston 2000 - 2002.
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for details.
* See http://pajhome.org.uk/crypt/md5 for details.
*/
*/
/*
/*
* Configurable variables. You may need to tweak these to be compatible with
* Configurable variables. You may need to tweak these to be compatible with
* the server-side, but the defaults work in most cases.
* the server-side, but the defaults work in most cases.
*/
*/
var b64pad = ""; // base-64 pad character. "=" for strict RFC compliance
var b64pad = ""; // base-64 pad character. "=" for strict RFC compliance
var chrsz = 8; // bits per input character. 8 - ASCII; 16 - Unicode
var chrsz = 8; // bits per input character. 8 - ASCII; 16 - Unicode
/*
/*
* These are the functions you'll usually want to call
* These are the functions you'll usually want to call
* They take string arguments and return either hex or base-64 encoded strings
* They take string arguments and return either hex or base-64 encoded strings
*/
*/
function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}
function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}
복사
복사됨
복사
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function b64_hmac_sha1(key, data){ return binb2b64(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
* Calculate the SHA-1 of an array of big-endian words, and a bit length
*/
*/
function core_sha1(x, len)
function core_sha1(x, len)
{
{
/* append padding */
/* append padding */
x[len >> 5] |= 0x80 << (24 - len % 32);
x[len >> 5] |= 0x80 << (24 - len % 32);
x[((len + 64 >> 9) << 4) + 15] = len;
x[((len + 64 >> 9) << 4) + 15] = len;
var w = Array(80);
var w = Array(80);
var a = 1732584193;
var a = 1732584193;
var b = -271733879;
var b = -271733879;
var c = -1732584194;
var c = -1732584194;
var d = 271733878;
var d = 271733878;
var e = -1009589776;
var e = -1009589776;
for(var i = 0; i < x.length; i += 16)
for(var i = 0; i < x.length; i += 16)
{
{
var olda = a;
var olda = a;
var oldb = b;
var oldb = b;
var oldc = c;
var oldc = c;
var oldd = d;
var oldd = d;
var olde = e;
var olde = e;
for(var j = 0; j < 80; j++)
for(var j = 0; j < 80; j++)
{
{
if(j < 16) w[j] = x[i + 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);
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)),
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)));
safe_add(safe_add(e, w[j]), sha1_kt(j)));
e = d;
e = d;
d = c;
d = c;
c = rol(b, 30);
c = rol(b, 30);
b = a;
b = a;
a = t;
a = t;
}
}
a = safe_add(a, olda);
a = safe_add(a, olda);
b = safe_add(b, oldb);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
d = safe_add(d, oldd);
e = safe_add(e, olde);
e = safe_add(e, olde);
}
}
return Array(a, b, c, d, e);
return Array(a, b, c, d, e);
}
}
/*
/*
* Perform the appropriate triplet combination function for the current
* Perform the appropriate triplet combination function for the current
* iteration
* iteration
*/
*/
function sha1_ft(t, b, c, d)
function sha1_ft(t, b, c, d)
{
{
if(t < 20) return (b & c) | ((~b) & d);
if(t < 20) return (b & c) | ((~b) & d);
if(t < 40) return b ^ c ^ d;
if(t < 40) return b ^ c ^ d;
if(t < 60) return (b & c) | (b & d) | (c & d);
if(t < 60) return (b & c) | (b & d) | (c & d);
return b ^ c ^ d;
return b ^ c ^ d;
}
}
/*
/*
* Determine the appropriate additive constant for the current iteration
* Determine the appropriate additive constant for the current iteration
*/
*/
function sha1_kt(t)
function sha1_kt(t)
{
{
return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 :
return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 :
(t < 60) ? -1894007588 : -899497514;
(t < 60) ? -1894007588 : -899497514;
복사
복사됨
복사
복사됨
}
/*
* 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
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
* to work around bugs in some JS interpreters.
*/
*/
function safe_add(x, y)
function safe_add(x, y)
{
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
return (msw << 16) | (lsw & 0xFFFF);
}
}
/*
/*
* Bitwise rotate a 32-bit number to the left.
* Bitwise rotate a 32-bit number to the left.
*/
*/
function rol(num, cnt)
function rol(num, cnt)
{
{
return (num << cnt) | (num >>> (32 - cnt));
return (num << cnt) | (num >>> (32 - cnt));
}
}
/*
/*
* Convert an 8-bit or 16-bit string to an array of big-endian words
* 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.
* In 8-bit function, characters >255 have their hi-byte silently ignored.
*/
*/
function str2binb(str)
function str2binb(str)
{
{
var bin = Array();
var bin = Array();
var mask = (1 << chrsz) - 1;
var mask = (1 << chrsz) - 1;
for(var i = 0; i < str.length * chrsz; i += chrsz)
for(var i = 0; i < str.length * chrsz; i += chrsz)
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (24 - i%32);
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (24 - i%32);
return bin;
return bin;
}
}
/*
/*
* Convert an array of big-endian words to a base-64 string
* Convert an array of big-endian words to a base-64 string
*/
*/
function binb2b64(binarray)
function binb2b64(binarray)
{
{
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str = "";
var str = "";
for(var i = 0; i < binarray.length * 4; i += 3)
for(var i = 0; i < binarray.length * 4; i += 3)
{
{
var triplet = (((binarray[i >> 2] >> 8 * (3 - i %4)) & 0xFF) << 16)
var triplet = (((binarray[i >> 2] >> 8 * (3 - i %4)) & 0xFF) << 16)
| (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 )
| (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 )
| ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF);
| ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF);
for(var j = 0; j < 4; j++)
for(var j = 0; j < 4; j++)
{
{
if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
}
}
}
}
return str;
return str;
}
}
</script>
</script>
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<script language="JavaScript"> /* * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined * in FIPS PUB 180-1 * Version 2.1 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 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 b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));} /* * 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; } /* * 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) << (24 - i%32); return bin; } /* * 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; } </script>
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<script language="JavaScript"> /* * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined * in FIPS PUB 180-1 * Version 2.1 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 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 b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));} function b64_hmac_sha1(key, data){ return binb2b64(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) << (24 - i%32); return bin; } /* * 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; } </script>
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