From fcb9e65af31569db33c198217df816971f2f20cd Mon Sep 17 00:00:00 2001 From: Azul Date: Fri, 20 Jul 2012 11:18:47 +0200 Subject: moved src to lib and use relative path in require_tree --- lib/aes.js | 771 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 771 insertions(+) create mode 100644 lib/aes.js (limited to 'lib/aes.js') diff --git a/lib/aes.js b/lib/aes.js new file mode 100644 index 0000000..5682618 --- /dev/null +++ b/lib/aes.js @@ -0,0 +1,771 @@ +/* + * aes.js: implements AES - Advanced Encryption Standard + * from the SlowAES project, http://code.google.com/p/slowaes/ + * + * Copyright (c) 2008 Josh Davis ( http://www.josh-davis.org ), + * Mark Percival ( http://mpercival.com ), + * + * Ported from C code written by Laurent Haan ( http://www.progressive-coding.com ) + * + * Licensed under the Apache License, Version 2.0 + * http://www.apache.org/licenses/ + */ + +var slowAES = { + /* + * START AES SECTION + */ + aes:{ + // structure of valid key sizes + keySize:{ + SIZE_128:16, + SIZE_192:24, + SIZE_256:32 + }, + + // Rijndael S-box + sbox:[ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, + 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, + 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, + 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, + 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, + 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, + 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, + 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, + 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, + 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, + 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 ], + + // Rijndael Inverted S-box + rsbox: + [ 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb + , 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb + , 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e + , 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25 + , 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92 + , 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84 + , 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06 + , 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b + , 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73 + , 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e + , 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b + , 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4 + , 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f + , 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef + , 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61 + , 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d ], + + /* rotate the word eight bits to the left */ + rotate:function(word) + { + var c = word[0]; + for (var i = 0; i < 3; i++) + word[i] = word[i+1]; + word[3] = c; + + return word; + }, + + // Rijndael Rcon + Rcon:[ + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, + 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, + 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, + 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, + 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, + 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, + 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, + 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, + 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, + 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, + 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, + 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, + 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, + 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, + 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, + 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, + 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, + 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, + 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb ], + + G2X: [ + 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, + 0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, + 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e, 0x40, 0x42, 0x44, 0x46, + 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e, + 0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, + 0x78, 0x7a, 0x7c, 0x7e, 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, + 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e, 0xa0, 0xa2, 0xa4, 0xa6, + 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe, + 0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, + 0xd8, 0xda, 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, + 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe, 0x1b, 0x19, 0x1f, 0x1d, + 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05, + 0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, + 0x23, 0x21, 0x27, 0x25, 0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, + 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45, 0x7b, 0x79, 0x7f, 0x7d, + 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65, + 0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, + 0x83, 0x81, 0x87, 0x85, 0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, + 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5, 0xdb, 0xd9, 0xdf, 0xdd, + 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5, + 0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, + 0xe3, 0xe1, 0xe7, 0xe5 + ], + + G3X: [ + 0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, + 0x14, 0x17, 0x12, 0x11, 0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, + 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21, 0x60, 0x63, 0x66, 0x65, + 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71, + 0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, + 0x44, 0x47, 0x42, 0x41, 0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, + 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1, 0xf0, 0xf3, 0xf6, 0xf5, + 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1, + 0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, + 0xb4, 0xb7, 0xb2, 0xb1, 0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, + 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81, 0x9b, 0x98, 0x9d, 0x9e, + 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a, + 0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, + 0xbf, 0xbc, 0xb9, 0xba, 0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, + 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea, 0xcb, 0xc8, 0xcd, 0xce, + 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda, + 0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, + 0x4f, 0x4c, 0x49, 0x4a, 0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, + 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a, 0x3b, 0x38, 0x3d, 0x3e, + 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a, + 0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, + 0x1f, 0x1c, 0x19, 0x1a + ], + + G9X: [ + 0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, 0x48, 0x41, 0x5a, 0x53, + 0x6c, 0x65, 0x7e, 0x77, 0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf, + 0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7, 0x3b, 0x32, 0x29, 0x20, + 0x1f, 0x16, 0x0d, 0x04, 0x73, 0x7a, 0x61, 0x68, 0x57, 0x5e, 0x45, 0x4c, + 0xab, 0xa2, 0xb9, 0xb0, 0x8f, 0x86, 0x9d, 0x94, 0xe3, 0xea, 0xf1, 0xf8, + 0xc7, 0xce, 0xd5, 0xdc, 0x76, 0x7f, 0x64, 0x6d, 0x52, 0x5b, 0x40, 0x49, + 0x3e, 0x37, 0x2c, 0x25, 0x1a, 0x13, 0x08, 0x01, 0xe6, 0xef, 0xf4, 0xfd, + 0xc2, 0xcb, 0xd0, 0xd9, 0xae, 0xa7, 0xbc, 0xb5, 0x8a, 0x83, 0x98, 0x91, + 0x4d, 0x44, 0x5f, 0x56, 0x69, 0x60, 0x7b, 0x72, 0x05, 0x0c, 0x17, 0x1e, + 0x21, 0x28, 0x33, 0x3a, 0xdd, 0xd4, 0xcf, 0xc6, 0xf9, 0xf0, 0xeb, 0xe2, + 0x95, 0x9c, 0x87, 0x8e, 0xb1, 0xb8, 0xa3, 0xaa, 0xec, 0xe5, 0xfe, 0xf7, + 0xc8, 0xc1, 0xda, 0xd3, 0xa4, 0xad, 0xb6, 0xbf, 0x80, 0x89, 0x92, 0x9b, + 0x7c, 0x75, 0x6e, 0x67, 0x58, 0x51, 0x4a, 0x43, 0x34, 0x3d, 0x26, 0x2f, + 0x10, 0x19, 0x02, 0x0b, 0xd7, 0xde, 0xc5, 0xcc, 0xf3, 0xfa, 0xe1, 0xe8, + 0x9f, 0x96, 0x8d, 0x84, 0xbb, 0xb2, 0xa9, 0xa0, 0x47, 0x4e, 0x55, 0x5c, + 0x63, 0x6a, 0x71, 0x78, 0x0f, 0x06, 0x1d, 0x14, 0x2b, 0x22, 0x39, 0x30, + 0x9a, 0x93, 0x88, 0x81, 0xbe, 0xb7, 0xac, 0xa5, 0xd2, 0xdb, 0xc0, 0xc9, + 0xf6, 0xff, 0xe4, 0xed, 0x0a, 0x03, 0x18, 0x11, 0x2e, 0x27, 0x3c, 0x35, + 0x42, 0x4b, 0x50, 0x59, 0x66, 0x6f, 0x74, 0x7d, 0xa1, 0xa8, 0xb3, 0xba, + 0x85, 0x8c, 0x97, 0x9e, 0xe9, 0xe0, 0xfb, 0xf2, 0xcd, 0xc4, 0xdf, 0xd6, + 0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62, + 0x5d, 0x54, 0x4f, 0x46 + ], + + GBX: [ + 0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45, + 0x74, 0x7f, 0x62, 0x69, 0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81, + 0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9, 0x7b, 0x70, 0x6d, 0x66, + 0x57, 0x5c, 0x41, 0x4a, 0x23, 0x28, 0x35, 0x3e, 0x0f, 0x04, 0x19, 0x12, + 0xcb, 0xc0, 0xdd, 0xd6, 0xe7, 0xec, 0xf1, 0xfa, 0x93, 0x98, 0x85, 0x8e, + 0xbf, 0xb4, 0xa9, 0xa2, 0xf6, 0xfd, 0xe0, 0xeb, 0xda, 0xd1, 0xcc, 0xc7, + 0xae, 0xa5, 0xb8, 0xb3, 0x82, 0x89, 0x94, 0x9f, 0x46, 0x4d, 0x50, 0x5b, + 0x6a, 0x61, 0x7c, 0x77, 0x1e, 0x15, 0x08, 0x03, 0x32, 0x39, 0x24, 0x2f, + 0x8d, 0x86, 0x9b, 0x90, 0xa1, 0xaa, 0xb7, 0xbc, 0xd5, 0xde, 0xc3, 0xc8, + 0xf9, 0xf2, 0xef, 0xe4, 0x3d, 0x36, 0x2b, 0x20, 0x11, 0x1a, 0x07, 0x0c, + 0x65, 0x6e, 0x73, 0x78, 0x49, 0x42, 0x5f, 0x54, 0xf7, 0xfc, 0xe1, 0xea, + 0xdb, 0xd0, 0xcd, 0xc6, 0xaf, 0xa4, 0xb9, 0xb2, 0x83, 0x88, 0x95, 0x9e, + 0x47, 0x4c, 0x51, 0x5a, 0x6b, 0x60, 0x7d, 0x76, 0x1f, 0x14, 0x09, 0x02, + 0x33, 0x38, 0x25, 0x2e, 0x8c, 0x87, 0x9a, 0x91, 0xa0, 0xab, 0xb6, 0xbd, + 0xd4, 0xdf, 0xc2, 0xc9, 0xf8, 0xf3, 0xee, 0xe5, 0x3c, 0x37, 0x2a, 0x21, + 0x10, 0x1b, 0x06, 0x0d, 0x64, 0x6f, 0x72, 0x79, 0x48, 0x43, 0x5e, 0x55, + 0x01, 0x0a, 0x17, 0x1c, 0x2d, 0x26, 0x3b, 0x30, 0x59, 0x52, 0x4f, 0x44, + 0x75, 0x7e, 0x63, 0x68, 0xb1, 0xba, 0xa7, 0xac, 0x9d, 0x96, 0x8b, 0x80, + 0xe9, 0xe2, 0xff, 0xf4, 0xc5, 0xce, 0xd3, 0xd8, 0x7a, 0x71, 0x6c, 0x67, + 0x56, 0x5d, 0x40, 0x4b, 0x22, 0x29, 0x34, 0x3f, 0x0e, 0x05, 0x18, 0x13, + 0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f, + 0xbe, 0xb5, 0xa8, 0xa3 + ], + + GDX: [ + 0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f, + 0x5c, 0x51, 0x46, 0x4b, 0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3, + 0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b, 0xbb, 0xb6, 0xa1, 0xac, + 0x8f, 0x82, 0x95, 0x98, 0xd3, 0xde, 0xc9, 0xc4, 0xe7, 0xea, 0xfd, 0xf0, + 0x6b, 0x66, 0x71, 0x7c, 0x5f, 0x52, 0x45, 0x48, 0x03, 0x0e, 0x19, 0x14, + 0x37, 0x3a, 0x2d, 0x20, 0x6d, 0x60, 0x77, 0x7a, 0x59, 0x54, 0x43, 0x4e, + 0x05, 0x08, 0x1f, 0x12, 0x31, 0x3c, 0x2b, 0x26, 0xbd, 0xb0, 0xa7, 0xaa, + 0x89, 0x84, 0x93, 0x9e, 0xd5, 0xd8, 0xcf, 0xc2, 0xe1, 0xec, 0xfb, 0xf6, + 0xd6, 0xdb, 0xcc, 0xc1, 0xe2, 0xef, 0xf8, 0xf5, 0xbe, 0xb3, 0xa4, 0xa9, + 0x8a, 0x87, 0x90, 0x9d, 0x06, 0x0b, 0x1c, 0x11, 0x32, 0x3f, 0x28, 0x25, + 0x6e, 0x63, 0x74, 0x79, 0x5a, 0x57, 0x40, 0x4d, 0xda, 0xd7, 0xc0, 0xcd, + 0xee, 0xe3, 0xf4, 0xf9, 0xb2, 0xbf, 0xa8, 0xa5, 0x86, 0x8b, 0x9c, 0x91, + 0x0a, 0x07, 0x10, 0x1d, 0x3e, 0x33, 0x24, 0x29, 0x62, 0x6f, 0x78, 0x75, + 0x56, 0x5b, 0x4c, 0x41, 0x61, 0x6c, 0x7b, 0x76, 0x55, 0x58, 0x4f, 0x42, + 0x09, 0x04, 0x13, 0x1e, 0x3d, 0x30, 0x27, 0x2a, 0xb1, 0xbc, 0xab, 0xa6, + 0x85, 0x88, 0x9f, 0x92, 0xd9, 0xd4, 0xc3, 0xce, 0xed, 0xe0, 0xf7, 0xfa, + 0xb7, 0xba, 0xad, 0xa0, 0x83, 0x8e, 0x99, 0x94, 0xdf, 0xd2, 0xc5, 0xc8, + 0xeb, 0xe6, 0xf1, 0xfc, 0x67, 0x6a, 0x7d, 0x70, 0x53, 0x5e, 0x49, 0x44, + 0x0f, 0x02, 0x15, 0x18, 0x3b, 0x36, 0x21, 0x2c, 0x0c, 0x01, 0x16, 0x1b, + 0x38, 0x35, 0x22, 0x2f, 0x64, 0x69, 0x7e, 0x73, 0x50, 0x5d, 0x4a, 0x47, + 0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3, + 0x80, 0x8d, 0x9a, 0x97 + ], + + GEX: [ + 0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62, + 0x48, 0x46, 0x54, 0x5a, 0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca, + 0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba, 0xdb, 0xd5, 0xc7, 0xc9, + 0xe3, 0xed, 0xff, 0xf1, 0xab, 0xa5, 0xb7, 0xb9, 0x93, 0x9d, 0x8f, 0x81, + 0x3b, 0x35, 0x27, 0x29, 0x03, 0x0d, 0x1f, 0x11, 0x4b, 0x45, 0x57, 0x59, + 0x73, 0x7d, 0x6f, 0x61, 0xad, 0xa3, 0xb1, 0xbf, 0x95, 0x9b, 0x89, 0x87, + 0xdd, 0xd3, 0xc1, 0xcf, 0xe5, 0xeb, 0xf9, 0xf7, 0x4d, 0x43, 0x51, 0x5f, + 0x75, 0x7b, 0x69, 0x67, 0x3d, 0x33, 0x21, 0x2f, 0x05, 0x0b, 0x19, 0x17, + 0x76, 0x78, 0x6a, 0x64, 0x4e, 0x40, 0x52, 0x5c, 0x06, 0x08, 0x1a, 0x14, + 0x3e, 0x30, 0x22, 0x2c, 0x96, 0x98, 0x8a, 0x84, 0xae, 0xa0, 0xb2, 0xbc, + 0xe6, 0xe8, 0xfa, 0xf4, 0xde, 0xd0, 0xc2, 0xcc, 0x41, 0x4f, 0x5d, 0x53, + 0x79, 0x77, 0x65, 0x6b, 0x31, 0x3f, 0x2d, 0x23, 0x09, 0x07, 0x15, 0x1b, + 0xa1, 0xaf, 0xbd, 0xb3, 0x99, 0x97, 0x85, 0x8b, 0xd1, 0xdf, 0xcd, 0xc3, + 0xe9, 0xe7, 0xf5, 0xfb, 0x9a, 0x94, 0x86, 0x88, 0xa2, 0xac, 0xbe, 0xb0, + 0xea, 0xe4, 0xf6, 0xf8, 0xd2, 0xdc, 0xce, 0xc0, 0x7a, 0x74, 0x66, 0x68, + 0x42, 0x4c, 0x5e, 0x50, 0x0a, 0x04, 0x16, 0x18, 0x32, 0x3c, 0x2e, 0x20, + 0xec, 0xe2, 0xf0, 0xfe, 0xd4, 0xda, 0xc8, 0xc6, 0x9c, 0x92, 0x80, 0x8e, + 0xa4, 0xaa, 0xb8, 0xb6, 0x0c, 0x02, 0x10, 0x1e, 0x34, 0x3a, 0x28, 0x26, + 0x7c, 0x72, 0x60, 0x6e, 0x44, 0x4a, 0x58, 0x56, 0x37, 0x39, 0x2b, 0x25, + 0x0f, 0x01, 0x13, 0x1d, 0x47, 0x49, 0x5b, 0x55, 0x7f, 0x71, 0x63, 0x6d, + 0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5, + 0x9f, 0x91, 0x83, 0x8d + ], + + // Key Schedule Core + core:function(word,iteration) + { + /* rotate the 32-bit word 8 bits to the left */ + word = this.rotate(word); + /* apply S-Box substitution on all 4 parts of the 32-bit word */ + for (var i = 0; i < 4; ++i) + word[i] = this.sbox[word[i]]; + /* XOR the output of the rcon operation with i to the first part (leftmost) only */ + word[0] = word[0]^this.Rcon[iteration]; + return word; + }, + + /* Rijndael's key expansion + * expands an 128,192,256 key into an 176,208,240 bytes key + * + * expandedKey is a pointer to an char array of large enough size + * key is a pointer to a non-expanded key + */ + expandKey:function(key,size) + { + var expandedKeySize = (16*(this.numberOfRounds(size)+1)); + + /* current expanded keySize, in bytes */ + var currentSize = 0; + var rconIteration = 1; + var t = []; // temporary 4-byte variable + + var expandedKey = []; + for(var i = 0;i < expandedKeySize;i++) + expandedKey[i] = 0; + + /* set the 16,24,32 bytes of the expanded key to the input key */ + for (var j = 0; j < size; j++) + expandedKey[j] = key[j]; + currentSize += size; + + while (currentSize < expandedKeySize) + { + /* assign the previous 4 bytes to the temporary value t */ + for (var k = 0; k < 4; k++) + t[k] = expandedKey[(currentSize - 4) + k]; + + /* every 16,24,32 bytes we apply the core schedule to t + * and increment rconIteration afterwards + */ + if(currentSize % size == 0) + t = this.core(t, rconIteration++); + + /* For 256-bit keys, we add an extra sbox to the calculation */ + if(size == this.keySize.SIZE_256 && ((currentSize % size) == 16)) + for(var l = 0; l < 4; l++) + t[l] = this.sbox[t[l]]; + + /* We XOR t with the four-byte block 16,24,32 bytes before the new expanded key. + * This becomes the next four bytes in the expanded key. + */ + for(var m = 0; m < 4; m++) { + expandedKey[currentSize] = expandedKey[currentSize - size] ^ t[m]; + currentSize++; + } + } + return expandedKey; + }, + + // Adds (XORs) the round key to the state + addRoundKey:function(state,roundKey) + { + for (var i = 0; i < 16; i++) + state[i] ^= roundKey[i]; + return state; + }, + + // Creates a round key from the given expanded key and the + // position within the expanded key. + createRoundKey:function(expandedKey,roundKeyPointer) + { + var roundKey = []; + for (var i = 0; i < 4; i++) + for (var j = 0; j < 4; j++) + roundKey[j*4+i] = expandedKey[roundKeyPointer + i*4 + j]; + return roundKey; + }, + + /* substitute all the values from the state with the value in the SBox + * using the state value as index for the SBox + */ + subBytes:function(state,isInv) + { + for (var i = 0; i < 16; i++) + state[i] = isInv?this.rsbox[state[i]]:this.sbox[state[i]]; + return state; + }, + + /* iterate over the 4 rows and call shiftRow() with that row */ + shiftRows:function(state,isInv) + { + for (var i = 0; i < 4; i++) + state = this.shiftRow(state,i*4, i,isInv); + return state; + }, + + /* each iteration shifts the row to the left by 1 */ + shiftRow:function(state,statePointer,nbr,isInv) + { + for (var i = 0; i < nbr; i++) + { + if(isInv) + { + var tmp = state[statePointer + 3]; + for (var j = 3; j > 0; j--) + state[statePointer + j] = state[statePointer + j-1]; + state[statePointer] = tmp; + } + else + { + var tmp = state[statePointer]; + for (var j = 0; j < 3; j++) + state[statePointer + j] = state[statePointer + j+1]; + state[statePointer + 3] = tmp; + } + } + return state; + }, + + // galois multiplication of 8 bit characters a and b + galois_multiplication:function(a,b) + { + var p = 0; + for(var counter = 0; counter < 8; counter++) + { + if((b & 1) == 1) + p ^= a; + if(p > 0x100) p ^= 0x100; + var hi_bit_set = (a & 0x80); //keep p 8 bit + a <<= 1; + if(a > 0x100) a ^= 0x100; //keep a 8 bit + if(hi_bit_set == 0x80) + a ^= 0x1b; + if(a > 0x100) a ^= 0x100; //keep a 8 bit + b >>= 1; + if(b > 0x100) b ^= 0x100; //keep b 8 bit + } + return p; + }, + + // galois multipication of the 4x4 matrix + mixColumns:function(state,isInv) + { + var column = []; + /* iterate over the 4 columns */ + for (var i = 0; i < 4; i++) + { + /* construct one column by iterating over the 4 rows */ + for (var j = 0; j < 4; j++) + column[j] = state[(j*4)+i]; + /* apply the mixColumn on one column */ + column = this.mixColumn(column,isInv); + /* put the values back into the state */ + for (var k = 0; k < 4; k++) + state[(k*4)+i] = column[k]; + } + return state; + }, + + // galois multipication of 1 column of the 4x4 matrix + mixColumn:function(column,isInv) + { + var mult = []; + if(isInv) + mult = [14,9,13,11]; + else + mult = [2,1,1,3]; + var cpy = []; + for(var i = 0; i < 4; i++) + cpy[i] = column[i]; + + column[0] = this.galois_multiplication(cpy[0],mult[0]) ^ + this.galois_multiplication(cpy[3],mult[1]) ^ + this.galois_multiplication(cpy[2],mult[2]) ^ + this.galois_multiplication(cpy[1],mult[3]); + column[1] = this.galois_multiplication(cpy[1],mult[0]) ^ + this.galois_multiplication(cpy[0],mult[1]) ^ + this.galois_multiplication(cpy[3],mult[2]) ^ + this.galois_multiplication(cpy[2],mult[3]); + column[2] = this.galois_multiplication(cpy[2],mult[0]) ^ + this.galois_multiplication(cpy[1],mult[1]) ^ + this.galois_multiplication(cpy[0],mult[2]) ^ + this.galois_multiplication(cpy[3],mult[3]); + column[3] = this.galois_multiplication(cpy[3],mult[0]) ^ + this.galois_multiplication(cpy[2],mult[1]) ^ + this.galois_multiplication(cpy[1],mult[2]) ^ + this.galois_multiplication(cpy[0],mult[3]); + return column; + }, + + // applies the 4 operations of the forward round in sequence + round:function(state, roundKey) + { + state = this.subBytes(state,false); + state = this.shiftRows(state,false); + state = this.mixColumns(state,false); + state = this.addRoundKey(state, roundKey); + return state; + }, + + // applies the 4 operations of the inverse round in sequence + invRound:function(state,roundKey) + { + state = this.shiftRows(state,true); + state = this.subBytes(state,true); + state = this.addRoundKey(state, roundKey); + state = this.mixColumns(state,true); + return state; + }, + + /* + * Perform the initial operations, the standard round, and the final operations + * of the forward aes, creating a round key for each round + */ + main:function(state,expandedKey,nbrRounds) + { + state = this.addRoundKey(state, this.createRoundKey(expandedKey,0)); + for (var i = 1; i < nbrRounds; i++) + state = this.round(state, this.createRoundKey(expandedKey,16*i)); + state = this.subBytes(state,false); + state = this.shiftRows(state,false); + state = this.addRoundKey(state, this.createRoundKey(expandedKey,16*nbrRounds)); + return state; + }, + + /* + * Perform the initial operations, the standard round, and the final operations + * of the inverse aes, creating a round key for each round + */ + invMain:function(state, expandedKey, nbrRounds) + { + state = this.addRoundKey(state, this.createRoundKey(expandedKey,16*nbrRounds)); + for (var i = nbrRounds-1; i > 0; i--) + state = this.invRound(state, this.createRoundKey(expandedKey,16*i)); + state = this.shiftRows(state,true); + state = this.subBytes(state,true); + state = this.addRoundKey(state, this.createRoundKey(expandedKey,0)); + return state; + }, + + numberOfRounds:function(size) + { + var nbrRounds; + switch (size) /* set the number of rounds */ + { + case this.keySize.SIZE_128: + nbrRounds = 10; + break; + case this.keySize.SIZE_192: + nbrRounds = 12; + break; + case this.keySize.SIZE_256: + nbrRounds = 14; + break; + default: + return null; + break; + } + return nbrRounds; + }, + + // encrypts a 128 bit input block against the given key of size specified + encrypt:function(input,key,size) + { + var output = []; + var block = []; /* the 128 bit block to encode */ + var nbrRounds = this.numberOfRounds(size); + /* Set the block values, for the block: + * a0,0 a0,1 a0,2 a0,3 + * a1,0 a1,1 a1,2 a1,3 + * a2,0 a2,1 a2,2 a2,3 + * a3,0 a3,1 a3,2 a3,3 + * the mapping order is a0,0 a1,0 a2,0 a3,0 a0,1 a1,1 ... a2,3 a3,3 + */ + for (var i = 0; i < 4; i++) /* iterate over the columns */ + for (var j = 0; j < 4; j++) /* iterate over the rows */ + block[(i+(j*4))] = input[(i*4)+j]; + + /* expand the key into an 176, 208, 240 bytes key */ + var expandedKey = this.expandKey(key, size); /* the expanded key */ + /* encrypt the block using the expandedKey */ + block = this.main(block, expandedKey, nbrRounds); + for (var k = 0; k < 4; k++) /* unmap the block again into the output */ + for (var l = 0; l < 4; l++) /* iterate over the rows */ + output[(k*4)+l] = block[(k+(l*4))]; + return output; + }, + + // decrypts a 128 bit input block against the given key of size specified + decrypt:function(input, key, size) + { + var output = []; + var block = []; /* the 128 bit block to decode */ + var nbrRounds = this.numberOfRounds(size); + /* Set the block values, for the block: + * a0,0 a0,1 a0,2 a0,3 + * a1,0 a1,1 a1,2 a1,3 + * a2,0 a2,1 a2,2 a2,3 + * a3,0 a3,1 a3,2 a3,3 + * the mapping order is a0,0 a1,0 a2,0 a3,0 a0,1 a1,1 ... a2,3 a3,3 + */ + for (var i = 0; i < 4; i++) /* iterate over the columns */ + for (var j = 0; j < 4; j++) /* iterate over the rows */ + block[(i+(j*4))] = input[(i*4)+j]; + /* expand the key into an 176, 208, 240 bytes key */ + var expandedKey = this.expandKey(key, size); + /* decrypt the block using the expandedKey */ + block = this.invMain(block, expandedKey, nbrRounds); + for (var k = 0; k < 4; k++)/* unmap the block again into the output */ + for (var l = 0; l < 4; l++)/* iterate over the rows */ + output[(k*4)+l] = block[(k+(l*4))]; + return output; + } + }, + /* + * END AES SECTION + */ + + /* + * START MODE OF OPERATION SECTION + */ + //structure of supported modes of operation + modeOfOperation:{ + OFB:0, + CFB:1, + CBC:2 + }, + + // gets a properly padded block + getPaddedBlock: function(bytesIn,start,end,mode) + { + if(end - start > 16) + end = start + 16; + + var array = bytesIn.slice(start, end); + + if (mode == this.modeOfOperation.CBC) + { + var cpad = 16 - array.length; + while(array.length < 16) + { + array.push(cpad); + } + } + + return array; + }, + + /* + * Mode of Operation Encryption + * bytesIn - Input String as array of bytes + * mode - mode of type modeOfOperation + * key - a number array of length 'size' + * size - the bit length of the key + * iv - the 128 bit number array Initialization Vector + */ + encrypt: function (bytesIn, mode, key, size, iv) + { + if(key.length%size) + { + throw 'Key length does not match specified size.'; + } + if(iv.length%16) + { + throw 'iv length must be 128 bits.'; + } + // the AES input/output + var byteArray = []; + var input = []; + var output = []; + var ciphertext = []; + var cipherOut = []; + // char firstRound + var firstRound = true; + if (bytesIn !== null) + { + for (var j = 0;j < Math.ceil(bytesIn.length/16); j++) + { + var start = j*16; + var end = j*16+16; + if(j*16+16 > bytesIn.length) + end = bytesIn.length; + byteArray = this.getPaddedBlock(bytesIn,start,end,mode); + if (mode == this.modeOfOperation.CFB) + { + if (firstRound) + { + output = this.aes.encrypt(iv, key, size); + firstRound = false; + } + else + output = this.aes.encrypt(input, key, size); + for (var i = 0; i < 16; i++) + ciphertext[i] = byteArray[i] ^ output[i]; + for(var k = 0;k < end-start;k++) + cipherOut.push(ciphertext[k]); + input = ciphertext; + } + else if (mode == this.modeOfOperation.OFB) + { + if (firstRound) + { + output = this.aes.encrypt(iv, key, size); + firstRound = false; + } + else + output = this.aes.encrypt(input, key, size); + for (var i = 0; i < 16; i++) + ciphertext[i] = byteArray[i] ^ output[i]; + for(var k = 0;k < end-start;k++) + cipherOut.push(ciphertext[k]); + input = output; + } + else if (mode == this.modeOfOperation.CBC) + { + for (var i = 0; i < 16; i++) + input[i] = byteArray[i] ^ ((firstRound) ? iv[i] : ciphertext[i]); + firstRound = false; + ciphertext = this.aes.encrypt(input, key, size); + // always 16 bytes because of the padding for CBC + for(var k = 0;k < 16;k++) + cipherOut.push(ciphertext[k]); + } + } + } + return {mode:mode,originalsize:bytesIn.length,cipher:cipherOut}; + }, + + /* + * Mode of Operation Decryption + * cipherIn - Encrypted String as array of bytes + * originalsize - The unencrypted string length - required for CBC + * mode - mode of type modeOfOperation + * key - a number array of length 'size' + * size - the bit length of the key + * iv - the 128 bit number array Initialization Vector + */ + decrypt:function(cipherIn,originalsize,mode,key,size,iv) + { + if(key.length%size) + { + throw 'Key length does not match specified size.'; + return null; + } + if(iv.length%16) + { + throw 'iv length must be 128 bits.'; + } + // the AES input/output + var ciphertext = []; + var input = []; + var output = []; + var byteArray = []; + var bytesOut = []; + // char firstRound + var firstRound = true; + if (cipherIn !== null) + { + for (var j = 0;j < Math.ceil(cipherIn.length/16); j++) + { + var start = j*16; + var end = j*16+16; + if(j*16+16 > cipherIn.length) + end = cipherIn.length; + ciphertext = this.getPaddedBlock(cipherIn,start,end,mode); + if (mode == this.modeOfOperation.CFB) + { + if (firstRound) + { + output = this.aes.encrypt(iv, key, size); + firstRound = false; + } + else + output = this.aes.encrypt(input, key, size); + for (i = 0; i < 16; i++) + byteArray[i] = output[i] ^ ciphertext[i]; + for(var k = 0;k < end-start;k++) + bytesOut.push(byteArray[k]); + input = ciphertext; + } + else if (mode == this.modeOfOperation.OFB) + { + if (firstRound) + { + output = this.aes.encrypt(iv, key, size); + firstRound = false; + } + else + output = this.aes.encrypt(input, key, size); + for (i = 0; i < 16; i++) + byteArray[i] = output[i] ^ ciphertext[i]; + for(var k = 0;k < end-start;k++) + bytesOut.push(byteArray[k]); + input = output; + } + else if(mode == this.modeOfOperation.CBC) + { + output = this.aes.decrypt(ciphertext, key, size); + for (i = 0; i < 16; i++) + byteArray[i] = ((firstRound) ? iv[i] : input[i]) ^ output[i]; + firstRound = false; + if (originalsize < end) + for(var k = 0;k < originalsize-start;k++) + bytesOut.push(byteArray[k]); + else + for(var k = 0;k < end-start;k++) + bytesOut.push(byteArray[k]); + input = ciphertext; + } + } + } + return bytesOut; + } + /* + * END MODE OF OPERATION SECTION + */ +}; + -- cgit 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