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Commit Description:
add model solution
Commit Description:
add model solution
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node_modules/crypto-js/tripledes.js
| 769 lines
| 23.7 KiB
| application/javascript
| JavascriptLexer
|
r789 | ;(function (root, factory, undef) { | ||
if (typeof exports === "object") { | |||
// CommonJS | |||
module.exports = exports = factory(require("./core"), require("./enc-base64"), require("./md5"), require("./evpkdf"), require("./cipher-core")); | |||
} | |||
else if (typeof define === "function" && define.amd) { | |||
// AMD | |||
define(["./core", "./enc-base64", "./md5", "./evpkdf", "./cipher-core"], factory); | |||
} | |||
else { | |||
// Global (browser) | |||
factory(root.CryptoJS); | |||
} | |||
}(this, function (CryptoJS) { | |||
(function () { | |||
// Shortcuts | |||
var C = CryptoJS; | |||
var C_lib = C.lib; | |||
var WordArray = C_lib.WordArray; | |||
var BlockCipher = C_lib.BlockCipher; | |||
var C_algo = C.algo; | |||
// Permuted Choice 1 constants | |||
var PC1 = [ | |||
57, 49, 41, 33, 25, 17, 9, 1, | |||
58, 50, 42, 34, 26, 18, 10, 2, | |||
59, 51, 43, 35, 27, 19, 11, 3, | |||
60, 52, 44, 36, 63, 55, 47, 39, | |||
31, 23, 15, 7, 62, 54, 46, 38, | |||
30, 22, 14, 6, 61, 53, 45, 37, | |||
29, 21, 13, 5, 28, 20, 12, 4 | |||
]; | |||
// Permuted Choice 2 constants | |||
var PC2 = [ | |||
14, 17, 11, 24, 1, 5, | |||
3, 28, 15, 6, 21, 10, | |||
23, 19, 12, 4, 26, 8, | |||
16, 7, 27, 20, 13, 2, | |||
41, 52, 31, 37, 47, 55, | |||
30, 40, 51, 45, 33, 48, | |||
44, 49, 39, 56, 34, 53, | |||
46, 42, 50, 36, 29, 32 | |||
]; | |||
// Cumulative bit shift constants | |||
var BIT_SHIFTS = [1, 2, 4, 6, 8, 10, 12, 14, 15, 17, 19, 21, 23, 25, 27, 28]; | |||
// SBOXes and round permutation constants | |||
var SBOX_P = [ | |||
{ | |||
0x0: 0x808200, | |||
0x10000000: 0x8000, | |||
0x20000000: 0x808002, | |||
0x30000000: 0x2, | |||
0x40000000: 0x200, | |||
0x50000000: 0x808202, | |||
0x60000000: 0x800202, | |||
0x70000000: 0x800000, | |||
0x80000000: 0x202, | |||
0x90000000: 0x800200, | |||
0xa0000000: 0x8200, | |||
0xb0000000: 0x808000, | |||
0xc0000000: 0x8002, | |||
0xd0000000: 0x800002, | |||
0xe0000000: 0x0, | |||
0xf0000000: 0x8202, | |||
0x8000000: 0x0, | |||
0x18000000: 0x808202, | |||
0x28000000: 0x8202, | |||
0x38000000: 0x8000, | |||
0x48000000: 0x808200, | |||
0x58000000: 0x200, | |||
0x68000000: 0x808002, | |||
0x78000000: 0x2, | |||
0x88000000: 0x800200, | |||
0x98000000: 0x8200, | |||
0xa8000000: 0x808000, | |||
0xb8000000: 0x800202, | |||
0xc8000000: 0x800002, | |||
0xd8000000: 0x8002, | |||
0xe8000000: 0x202, | |||
0xf8000000: 0x800000, | |||
0x1: 0x8000, | |||
0x10000001: 0x2, | |||
0x20000001: 0x808200, | |||
0x30000001: 0x800000, | |||
0x40000001: 0x808002, | |||
0x50000001: 0x8200, | |||
0x60000001: 0x200, | |||
0x70000001: 0x800202, | |||
0x80000001: 0x808202, | |||
0x90000001: 0x808000, | |||
0xa0000001: 0x800002, | |||
0xb0000001: 0x8202, | |||
0xc0000001: 0x202, | |||
0xd0000001: 0x800200, | |||
0xe0000001: 0x8002, | |||
0xf0000001: 0x0, | |||
0x8000001: 0x808202, | |||
0x18000001: 0x808000, | |||
0x28000001: 0x800000, | |||
0x38000001: 0x200, | |||
0x48000001: 0x8000, | |||
0x58000001: 0x800002, | |||
0x68000001: 0x2, | |||
0x78000001: 0x8202, | |||
0x88000001: 0x8002, | |||
0x98000001: 0x800202, | |||
0xa8000001: 0x202, | |||
0xb8000001: 0x808200, | |||
0xc8000001: 0x800200, | |||
0xd8000001: 0x0, | |||
0xe8000001: 0x8200, | |||
0xf8000001: 0x808002 | |||
}, | |||
{ | |||
0x0: 0x40084010, | |||
0x1000000: 0x4000, | |||
0x2000000: 0x80000, | |||
0x3000000: 0x40080010, | |||
0x4000000: 0x40000010, | |||
0x5000000: 0x40084000, | |||
0x6000000: 0x40004000, | |||
0x7000000: 0x10, | |||
0x8000000: 0x84000, | |||
0x9000000: 0x40004010, | |||
0xa000000: 0x40000000, | |||
0xb000000: 0x84010, | |||
0xc000000: 0x80010, | |||
0xd000000: 0x0, | |||
0xe000000: 0x4010, | |||
0xf000000: 0x40080000, | |||
0x800000: 0x40004000, | |||
0x1800000: 0x84010, | |||
0x2800000: 0x10, | |||
0x3800000: 0x40004010, | |||
0x4800000: 0x40084010, | |||
0x5800000: 0x40000000, | |||
0x6800000: 0x80000, | |||
0x7800000: 0x40080010, | |||
0x8800000: 0x80010, | |||
0x9800000: 0x0, | |||
0xa800000: 0x4000, | |||
0xb800000: 0x40080000, | |||
0xc800000: 0x40000010, | |||
0xd800000: 0x84000, | |||
0xe800000: 0x40084000, | |||
0xf800000: 0x4010, | |||
0x10000000: 0x0, | |||
0x11000000: 0x40080010, | |||
0x12000000: 0x40004010, | |||
0x13000000: 0x40084000, | |||
0x14000000: 0x40080000, | |||
0x15000000: 0x10, | |||
0x16000000: 0x84010, | |||
0x17000000: 0x4000, | |||
0x18000000: 0x4010, | |||
0x19000000: 0x80000, | |||
0x1a000000: 0x80010, | |||
0x1b000000: 0x40000010, | |||
0x1c000000: 0x84000, | |||
0x1d000000: 0x40004000, | |||
0x1e000000: 0x40000000, | |||
0x1f000000: 0x40084010, | |||
0x10800000: 0x84010, | |||
0x11800000: 0x80000, | |||
0x12800000: 0x40080000, | |||
0x13800000: 0x4000, | |||
0x14800000: 0x40004000, | |||
0x15800000: 0x40084010, | |||
0x16800000: 0x10, | |||
0x17800000: 0x40000000, | |||
0x18800000: 0x40084000, | |||
0x19800000: 0x40000010, | |||
0x1a800000: 0x40004010, | |||
0x1b800000: 0x80010, | |||
0x1c800000: 0x0, | |||
0x1d800000: 0x4010, | |||
0x1e800000: 0x40080010, | |||
0x1f800000: 0x84000 | |||
}, | |||
{ | |||
0x0: 0x104, | |||
0x100000: 0x0, | |||
0x200000: 0x4000100, | |||
0x300000: 0x10104, | |||
0x400000: 0x10004, | |||
0x500000: 0x4000004, | |||
0x600000: 0x4010104, | |||
0x700000: 0x4010000, | |||
0x800000: 0x4000000, | |||
0x900000: 0x4010100, | |||
0xa00000: 0x10100, | |||
0xb00000: 0x4010004, | |||
0xc00000: 0x4000104, | |||
0xd00000: 0x10000, | |||
0xe00000: 0x4, | |||
0xf00000: 0x100, | |||
0x80000: 0x4010100, | |||
0x180000: 0x4010004, | |||
0x280000: 0x0, | |||
0x380000: 0x4000100, | |||
0x480000: 0x4000004, | |||
0x580000: 0x10000, | |||
0x680000: 0x10004, | |||
0x780000: 0x104, | |||
0x880000: 0x4, | |||
0x980000: 0x100, | |||
0xa80000: 0x4010000, | |||
0xb80000: 0x10104, | |||
0xc80000: 0x10100, | |||
0xd80000: 0x4000104, | |||
0xe80000: 0x4010104, | |||
0xf80000: 0x4000000, | |||
0x1000000: 0x4010100, | |||
0x1100000: 0x10004, | |||
0x1200000: 0x10000, | |||
0x1300000: 0x4000100, | |||
0x1400000: 0x100, | |||
0x1500000: 0x4010104, | |||
0x1600000: 0x4000004, | |||
0x1700000: 0x0, | |||
0x1800000: 0x4000104, | |||
0x1900000: 0x4000000, | |||
0x1a00000: 0x4, | |||
0x1b00000: 0x10100, | |||
0x1c00000: 0x4010000, | |||
0x1d00000: 0x104, | |||
0x1e00000: 0x10104, | |||
0x1f00000: 0x4010004, | |||
0x1080000: 0x4000000, | |||
0x1180000: 0x104, | |||
0x1280000: 0x4010100, | |||
0x1380000: 0x0, | |||
0x1480000: 0x10004, | |||
0x1580000: 0x4000100, | |||
0x1680000: 0x100, | |||
0x1780000: 0x4010004, | |||
0x1880000: 0x10000, | |||
0x1980000: 0x4010104, | |||
0x1a80000: 0x10104, | |||
0x1b80000: 0x4000004, | |||
0x1c80000: 0x4000104, | |||
0x1d80000: 0x4010000, | |||
0x1e80000: 0x4, | |||
0x1f80000: 0x10100 | |||
}, | |||
{ | |||
0x0: 0x80401000, | |||
0x10000: 0x80001040, | |||
0x20000: 0x401040, | |||
0x30000: 0x80400000, | |||
0x40000: 0x0, | |||
0x50000: 0x401000, | |||
0x60000: 0x80000040, | |||
0x70000: 0x400040, | |||
0x80000: 0x80000000, | |||
0x90000: 0x400000, | |||
0xa0000: 0x40, | |||
0xb0000: 0x80001000, | |||
0xc0000: 0x80400040, | |||
0xd0000: 0x1040, | |||
0xe0000: 0x1000, | |||
0xf0000: 0x80401040, | |||
0x8000: 0x80001040, | |||
0x18000: 0x40, | |||
0x28000: 0x80400040, | |||
0x38000: 0x80001000, | |||
0x48000: 0x401000, | |||
0x58000: 0x80401040, | |||
0x68000: 0x0, | |||
0x78000: 0x80400000, | |||
0x88000: 0x1000, | |||
0x98000: 0x80401000, | |||
0xa8000: 0x400000, | |||
0xb8000: 0x1040, | |||
0xc8000: 0x80000000, | |||
0xd8000: 0x400040, | |||
0xe8000: 0x401040, | |||
0xf8000: 0x80000040, | |||
0x100000: 0x400040, | |||
0x110000: 0x401000, | |||
0x120000: 0x80000040, | |||
0x130000: 0x0, | |||
0x140000: 0x1040, | |||
0x150000: 0x80400040, | |||
0x160000: 0x80401000, | |||
0x170000: 0x80001040, | |||
0x180000: 0x80401040, | |||
0x190000: 0x80000000, | |||
0x1a0000: 0x80400000, | |||
0x1b0000: 0x401040, | |||
0x1c0000: 0x80001000, | |||
0x1d0000: 0x400000, | |||
0x1e0000: 0x40, | |||
0x1f0000: 0x1000, | |||
0x108000: 0x80400000, | |||
0x118000: 0x80401040, | |||
0x128000: 0x0, | |||
0x138000: 0x401000, | |||
0x148000: 0x400040, | |||
0x158000: 0x80000000, | |||
0x168000: 0x80001040, | |||
0x178000: 0x40, | |||
0x188000: 0x80000040, | |||
0x198000: 0x1000, | |||
0x1a8000: 0x80001000, | |||
0x1b8000: 0x80400040, | |||
0x1c8000: 0x1040, | |||
0x1d8000: 0x80401000, | |||
0x1e8000: 0x400000, | |||
0x1f8000: 0x401040 | |||
}, | |||
{ | |||
0x0: 0x80, | |||
0x1000: 0x1040000, | |||
0x2000: 0x40000, | |||
0x3000: 0x20000000, | |||
0x4000: 0x20040080, | |||
0x5000: 0x1000080, | |||
0x6000: 0x21000080, | |||
0x7000: 0x40080, | |||
0x8000: 0x1000000, | |||
0x9000: 0x20040000, | |||
0xa000: 0x20000080, | |||
0xb000: 0x21040080, | |||
0xc000: 0x21040000, | |||
0xd000: 0x0, | |||
0xe000: 0x1040080, | |||
0xf000: 0x21000000, | |||
0x800: 0x1040080, | |||
0x1800: 0x21000080, | |||
0x2800: 0x80, | |||
0x3800: 0x1040000, | |||
0x4800: 0x40000, | |||
0x5800: 0x20040080, | |||
0x6800: 0x21040000, | |||
0x7800: 0x20000000, | |||
0x8800: 0x20040000, | |||
0x9800: 0x0, | |||
0xa800: 0x21040080, | |||
0xb800: 0x1000080, | |||
0xc800: 0x20000080, | |||
0xd800: 0x21000000, | |||
0xe800: 0x1000000, | |||
0xf800: 0x40080, | |||
0x10000: 0x40000, | |||
0x11000: 0x80, | |||
0x12000: 0x20000000, | |||
0x13000: 0x21000080, | |||
0x14000: 0x1000080, | |||
0x15000: 0x21040000, | |||
0x16000: 0x20040080, | |||
0x17000: 0x1000000, | |||
0x18000: 0x21040080, | |||
0x19000: 0x21000000, | |||
0x1a000: 0x1040000, | |||
0x1b000: 0x20040000, | |||
0x1c000: 0x40080, | |||
0x1d000: 0x20000080, | |||
0x1e000: 0x0, | |||
0x1f000: 0x1040080, | |||
0x10800: 0x21000080, | |||
0x11800: 0x1000000, | |||
0x12800: 0x1040000, | |||
0x13800: 0x20040080, | |||
0x14800: 0x20000000, | |||
0x15800: 0x1040080, | |||
0x16800: 0x80, | |||
0x17800: 0x21040000, | |||
0x18800: 0x40080, | |||
0x19800: 0x21040080, | |||
0x1a800: 0x0, | |||
0x1b800: 0x21000000, | |||
0x1c800: 0x1000080, | |||
0x1d800: 0x40000, | |||
0x1e800: 0x20040000, | |||
0x1f800: 0x20000080 | |||
}, | |||
{ | |||
0x0: 0x10000008, | |||
0x100: 0x2000, | |||
0x200: 0x10200000, | |||
0x300: 0x10202008, | |||
0x400: 0x10002000, | |||
0x500: 0x200000, | |||
0x600: 0x200008, | |||
0x700: 0x10000000, | |||
0x800: 0x0, | |||
0x900: 0x10002008, | |||
0xa00: 0x202000, | |||
0xb00: 0x8, | |||
0xc00: 0x10200008, | |||
0xd00: 0x202008, | |||
0xe00: 0x2008, | |||
0xf00: 0x10202000, | |||
0x80: 0x10200000, | |||
0x180: 0x10202008, | |||
0x280: 0x8, | |||
0x380: 0x200000, | |||
0x480: 0x202008, | |||
0x580: 0x10000008, | |||
0x680: 0x10002000, | |||
0x780: 0x2008, | |||
0x880: 0x200008, | |||
0x980: 0x2000, | |||
0xa80: 0x10002008, | |||
0xb80: 0x10200008, | |||
0xc80: 0x0, | |||
0xd80: 0x10202000, | |||
0xe80: 0x202000, | |||
0xf80: 0x10000000, | |||
0x1000: 0x10002000, | |||
0x1100: 0x10200008, | |||
0x1200: 0x10202008, | |||
0x1300: 0x2008, | |||
0x1400: 0x200000, | |||
0x1500: 0x10000000, | |||
0x1600: 0x10000008, | |||
0x1700: 0x202000, | |||
0x1800: 0x202008, | |||
0x1900: 0x0, | |||
0x1a00: 0x8, | |||
0x1b00: 0x10200000, | |||
0x1c00: 0x2000, | |||
0x1d00: 0x10002008, | |||
0x1e00: 0x10202000, | |||
0x1f00: 0x200008, | |||
0x1080: 0x8, | |||
0x1180: 0x202000, | |||
0x1280: 0x200000, | |||
0x1380: 0x10000008, | |||
0x1480: 0x10002000, | |||
0x1580: 0x2008, | |||
0x1680: 0x10202008, | |||
0x1780: 0x10200000, | |||
0x1880: 0x10202000, | |||
0x1980: 0x10200008, | |||
0x1a80: 0x2000, | |||
0x1b80: 0x202008, | |||
0x1c80: 0x200008, | |||
0x1d80: 0x0, | |||
0x1e80: 0x10000000, | |||
0x1f80: 0x10002008 | |||
}, | |||
{ | |||
0x0: 0x100000, | |||
0x10: 0x2000401, | |||
0x20: 0x400, | |||
0x30: 0x100401, | |||
0x40: 0x2100401, | |||
0x50: 0x0, | |||
0x60: 0x1, | |||
0x70: 0x2100001, | |||
0x80: 0x2000400, | |||
0x90: 0x100001, | |||
0xa0: 0x2000001, | |||
0xb0: 0x2100400, | |||
0xc0: 0x2100000, | |||
0xd0: 0x401, | |||
0xe0: 0x100400, | |||
0xf0: 0x2000000, | |||
0x8: 0x2100001, | |||
0x18: 0x0, | |||
0x28: 0x2000401, | |||
0x38: 0x2100400, | |||
0x48: 0x100000, | |||
0x58: 0x2000001, | |||
0x68: 0x2000000, | |||
0x78: 0x401, | |||
0x88: 0x100401, | |||
0x98: 0x2000400, | |||
0xa8: 0x2100000, | |||
0xb8: 0x100001, | |||
0xc8: 0x400, | |||
0xd8: 0x2100401, | |||
0xe8: 0x1, | |||
0xf8: 0x100400, | |||
0x100: 0x2000000, | |||
0x110: 0x100000, | |||
0x120: 0x2000401, | |||
0x130: 0x2100001, | |||
0x140: 0x100001, | |||
0x150: 0x2000400, | |||
0x160: 0x2100400, | |||
0x170: 0x100401, | |||
0x180: 0x401, | |||
0x190: 0x2100401, | |||
0x1a0: 0x100400, | |||
0x1b0: 0x1, | |||
0x1c0: 0x0, | |||
0x1d0: 0x2100000, | |||
0x1e0: 0x2000001, | |||
0x1f0: 0x400, | |||
0x108: 0x100400, | |||
0x118: 0x2000401, | |||
0x128: 0x2100001, | |||
0x138: 0x1, | |||
0x148: 0x2000000, | |||
0x158: 0x100000, | |||
0x168: 0x401, | |||
0x178: 0x2100400, | |||
0x188: 0x2000001, | |||
0x198: 0x2100000, | |||
0x1a8: 0x0, | |||
0x1b8: 0x2100401, | |||
0x1c8: 0x100401, | |||
0x1d8: 0x400, | |||
0x1e8: 0x2000400, | |||
0x1f8: 0x100001 | |||
}, | |||
{ | |||
0x0: 0x8000820, | |||
0x1: 0x20000, | |||
0x2: 0x8000000, | |||
0x3: 0x20, | |||
0x4: 0x20020, | |||
0x5: 0x8020820, | |||
0x6: 0x8020800, | |||
0x7: 0x800, | |||
0x8: 0x8020000, | |||
0x9: 0x8000800, | |||
0xa: 0x20800, | |||
0xb: 0x8020020, | |||
0xc: 0x820, | |||
0xd: 0x0, | |||
0xe: 0x8000020, | |||
0xf: 0x20820, | |||
0x80000000: 0x800, | |||
0x80000001: 0x8020820, | |||
0x80000002: 0x8000820, | |||
0x80000003: 0x8000000, | |||
0x80000004: 0x8020000, | |||
0x80000005: 0x20800, | |||
0x80000006: 0x20820, | |||
0x80000007: 0x20, | |||
0x80000008: 0x8000020, | |||
0x80000009: 0x820, | |||
0x8000000a: 0x20020, | |||
0x8000000b: 0x8020800, | |||
0x8000000c: 0x0, | |||
0x8000000d: 0x8020020, | |||
0x8000000e: 0x8000800, | |||
0x8000000f: 0x20000, | |||
0x10: 0x20820, | |||
0x11: 0x8020800, | |||
0x12: 0x20, | |||
0x13: 0x800, | |||
0x14: 0x8000800, | |||
0x15: 0x8000020, | |||
0x16: 0x8020020, | |||
0x17: 0x20000, | |||
0x18: 0x0, | |||
0x19: 0x20020, | |||
0x1a: 0x8020000, | |||
0x1b: 0x8000820, | |||
0x1c: 0x8020820, | |||
0x1d: 0x20800, | |||
0x1e: 0x820, | |||
0x1f: 0x8000000, | |||
0x80000010: 0x20000, | |||
0x80000011: 0x800, | |||
0x80000012: 0x8020020, | |||
0x80000013: 0x20820, | |||
0x80000014: 0x20, | |||
0x80000015: 0x8020000, | |||
0x80000016: 0x8000000, | |||
0x80000017: 0x8000820, | |||
0x80000018: 0x8020820, | |||
0x80000019: 0x8000020, | |||
0x8000001a: 0x8000800, | |||
0x8000001b: 0x0, | |||
0x8000001c: 0x20800, | |||
0x8000001d: 0x820, | |||
0x8000001e: 0x20020, | |||
0x8000001f: 0x8020800 | |||
} | |||
]; | |||
// Masks that select the SBOX input | |||
var SBOX_MASK = [ | |||
0xf8000001, 0x1f800000, 0x01f80000, 0x001f8000, | |||
0x0001f800, 0x00001f80, 0x000001f8, 0x8000001f | |||
]; | |||
/** | |||
* DES block cipher algorithm. | |||
*/ | |||
var DES = C_algo.DES = BlockCipher.extend({ | |||
_doReset: function () { | |||
// Shortcuts | |||
var key = this._key; | |||
var keyWords = key.words; | |||
// Select 56 bits according to PC1 | |||
var keyBits = []; | |||
for (var i = 0; i < 56; i++) { | |||
var keyBitPos = PC1[i] - 1; | |||
keyBits[i] = (keyWords[keyBitPos >>> 5] >>> (31 - keyBitPos % 32)) & 1; | |||
} | |||
// Assemble 16 subkeys | |||
var subKeys = this._subKeys = []; | |||
for (var nSubKey = 0; nSubKey < 16; nSubKey++) { | |||
// Create subkey | |||
var subKey = subKeys[nSubKey] = []; | |||
// Shortcut | |||
var bitShift = BIT_SHIFTS[nSubKey]; | |||
// Select 48 bits according to PC2 | |||
for (var i = 0; i < 24; i++) { | |||
// Select from the left 28 key bits | |||
subKey[(i / 6) | 0] |= keyBits[((PC2[i] - 1) + bitShift) % 28] << (31 - i % 6); | |||
// Select from the right 28 key bits | |||
subKey[4 + ((i / 6) | 0)] |= keyBits[28 + (((PC2[i + 24] - 1) + bitShift) % 28)] << (31 - i % 6); | |||
} | |||
// Since each subkey is applied to an expanded 32-bit input, | |||
// the subkey can be broken into 8 values scaled to 32-bits, | |||
// which allows the key to be used without expansion | |||
subKey[0] = (subKey[0] << 1) | (subKey[0] >>> 31); | |||
for (var i = 1; i < 7; i++) { | |||
subKey[i] = subKey[i] >>> ((i - 1) * 4 + 3); | |||
} | |||
subKey[7] = (subKey[7] << 5) | (subKey[7] >>> 27); | |||
} | |||
// Compute inverse subkeys | |||
var invSubKeys = this._invSubKeys = []; | |||
for (var i = 0; i < 16; i++) { | |||
invSubKeys[i] = subKeys[15 - i]; | |||
} | |||
}, | |||
encryptBlock: function (M, offset) { | |||
this._doCryptBlock(M, offset, this._subKeys); | |||
}, | |||
decryptBlock: function (M, offset) { | |||
this._doCryptBlock(M, offset, this._invSubKeys); | |||
}, | |||
_doCryptBlock: function (M, offset, subKeys) { | |||
// Get input | |||
this._lBlock = M[offset]; | |||
this._rBlock = M[offset + 1]; | |||
// Initial permutation | |||
exchangeLR.call(this, 4, 0x0f0f0f0f); | |||
exchangeLR.call(this, 16, 0x0000ffff); | |||
exchangeRL.call(this, 2, 0x33333333); | |||
exchangeRL.call(this, 8, 0x00ff00ff); | |||
exchangeLR.call(this, 1, 0x55555555); | |||
// Rounds | |||
for (var round = 0; round < 16; round++) { | |||
// Shortcuts | |||
var subKey = subKeys[round]; | |||
var lBlock = this._lBlock; | |||
var rBlock = this._rBlock; | |||
// Feistel function | |||
var f = 0; | |||
for (var i = 0; i < 8; i++) { | |||
f |= SBOX_P[i][((rBlock ^ subKey[i]) & SBOX_MASK[i]) >>> 0]; | |||
} | |||
this._lBlock = rBlock; | |||
this._rBlock = lBlock ^ f; | |||
} | |||
// Undo swap from last round | |||
var t = this._lBlock; | |||
this._lBlock = this._rBlock; | |||
this._rBlock = t; | |||
// Final permutation | |||
exchangeLR.call(this, 1, 0x55555555); | |||
exchangeRL.call(this, 8, 0x00ff00ff); | |||
exchangeRL.call(this, 2, 0x33333333); | |||
exchangeLR.call(this, 16, 0x0000ffff); | |||
exchangeLR.call(this, 4, 0x0f0f0f0f); | |||
// Set output | |||
M[offset] = this._lBlock; | |||
M[offset + 1] = this._rBlock; | |||
}, | |||
keySize: 64/32, | |||
ivSize: 64/32, | |||
blockSize: 64/32 | |||
}); | |||
// Swap bits across the left and right words | |||
function exchangeLR(offset, mask) { | |||
var t = ((this._lBlock >>> offset) ^ this._rBlock) & mask; | |||
this._rBlock ^= t; | |||
this._lBlock ^= t << offset; | |||
} | |||
function exchangeRL(offset, mask) { | |||
var t = ((this._rBlock >>> offset) ^ this._lBlock) & mask; | |||
this._lBlock ^= t; | |||
this._rBlock ^= t << offset; | |||
} | |||
/** | |||
* Shortcut functions to the cipher's object interface. | |||
* | |||
* @example | |||
* | |||
* var ciphertext = CryptoJS.DES.encrypt(message, key, cfg); | |||
* var plaintext = CryptoJS.DES.decrypt(ciphertext, key, cfg); | |||
*/ | |||
C.DES = BlockCipher._createHelper(DES); | |||
/** | |||
* Triple-DES block cipher algorithm. | |||
*/ | |||
var TripleDES = C_algo.TripleDES = BlockCipher.extend({ | |||
_doReset: function () { | |||
// Shortcuts | |||
var key = this._key; | |||
var keyWords = key.words; | |||
// Create DES instances | |||
this._des1 = DES.createEncryptor(WordArray.create(keyWords.slice(0, 2))); | |||
this._des2 = DES.createEncryptor(WordArray.create(keyWords.slice(2, 4))); | |||
this._des3 = DES.createEncryptor(WordArray.create(keyWords.slice(4, 6))); | |||
}, | |||
encryptBlock: function (M, offset) { | |||
this._des1.encryptBlock(M, offset); | |||
this._des2.decryptBlock(M, offset); | |||
this._des3.encryptBlock(M, offset); | |||
}, | |||
decryptBlock: function (M, offset) { | |||
this._des3.decryptBlock(M, offset); | |||
this._des2.encryptBlock(M, offset); | |||
this._des1.decryptBlock(M, offset); | |||
}, | |||
keySize: 192/32, | |||
ivSize: 64/32, | |||
blockSize: 64/32 | |||
}); | |||
/** | |||
* Shortcut functions to the cipher's object interface. | |||
* | |||
* @example | |||
* | |||
* var ciphertext = CryptoJS.TripleDES.encrypt(message, key, cfg); | |||
* var plaintext = CryptoJS.TripleDES.decrypt(ciphertext, key, cfg); | |||
*/ | |||
C.TripleDES = BlockCipher._createHelper(TripleDES); | |||
}()); | |||
return CryptoJS.TripleDES; | |||
})); |