| /* |
| * FIPS-46-3 compliant 3DES implementation |
| * |
| * Copyright (C) 2001-2003 Christophe Devine |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "des.h" |
| |
| /* the eight DES S-boxes */ |
| |
| uint32 SB1[64] = |
| { |
| 0x01010400, 0x00000000, 0x00010000, 0x01010404, |
| 0x01010004, 0x00010404, 0x00000004, 0x00010000, |
| 0x00000400, 0x01010400, 0x01010404, 0x00000400, |
| 0x01000404, 0x01010004, 0x01000000, 0x00000004, |
| 0x00000404, 0x01000400, 0x01000400, 0x00010400, |
| 0x00010400, 0x01010000, 0x01010000, 0x01000404, |
| 0x00010004, 0x01000004, 0x01000004, 0x00010004, |
| 0x00000000, 0x00000404, 0x00010404, 0x01000000, |
| 0x00010000, 0x01010404, 0x00000004, 0x01010000, |
| 0x01010400, 0x01000000, 0x01000000, 0x00000400, |
| 0x01010004, 0x00010000, 0x00010400, 0x01000004, |
| 0x00000400, 0x00000004, 0x01000404, 0x00010404, |
| 0x01010404, 0x00010004, 0x01010000, 0x01000404, |
| 0x01000004, 0x00000404, 0x00010404, 0x01010400, |
| 0x00000404, 0x01000400, 0x01000400, 0x00000000, |
| 0x00010004, 0x00010400, 0x00000000, 0x01010004 |
| }; |
| |
| static uint32 SB2[64] = |
| { |
| 0x80108020, 0x80008000, 0x00008000, 0x00108020, |
| 0x00100000, 0x00000020, 0x80100020, 0x80008020, |
| 0x80000020, 0x80108020, 0x80108000, 0x80000000, |
| 0x80008000, 0x00100000, 0x00000020, 0x80100020, |
| 0x00108000, 0x00100020, 0x80008020, 0x00000000, |
| 0x80000000, 0x00008000, 0x00108020, 0x80100000, |
| 0x00100020, 0x80000020, 0x00000000, 0x00108000, |
| 0x00008020, 0x80108000, 0x80100000, 0x00008020, |
| 0x00000000, 0x00108020, 0x80100020, 0x00100000, |
| 0x80008020, 0x80100000, 0x80108000, 0x00008000, |
| 0x80100000, 0x80008000, 0x00000020, 0x80108020, |
| 0x00108020, 0x00000020, 0x00008000, 0x80000000, |
| 0x00008020, 0x80108000, 0x00100000, 0x80000020, |
| 0x00100020, 0x80008020, 0x80000020, 0x00100020, |
| 0x00108000, 0x00000000, 0x80008000, 0x00008020, |
| 0x80000000, 0x80100020, 0x80108020, 0x00108000 |
| }; |
| |
| static uint32 SB3[64] = |
| { |
| 0x00000208, 0x08020200, 0x00000000, 0x08020008, |
| 0x08000200, 0x00000000, 0x00020208, 0x08000200, |
| 0x00020008, 0x08000008, 0x08000008, 0x00020000, |
| 0x08020208, 0x00020008, 0x08020000, 0x00000208, |
| 0x08000000, 0x00000008, 0x08020200, 0x00000200, |
| 0x00020200, 0x08020000, 0x08020008, 0x00020208, |
| 0x08000208, 0x00020200, 0x00020000, 0x08000208, |
| 0x00000008, 0x08020208, 0x00000200, 0x08000000, |
| 0x08020200, 0x08000000, 0x00020008, 0x00000208, |
| 0x00020000, 0x08020200, 0x08000200, 0x00000000, |
| 0x00000200, 0x00020008, 0x08020208, 0x08000200, |
| 0x08000008, 0x00000200, 0x00000000, 0x08020008, |
| 0x08000208, 0x00020000, 0x08000000, 0x08020208, |
| 0x00000008, 0x00020208, 0x00020200, 0x08000008, |
| 0x08020000, 0x08000208, 0x00000208, 0x08020000, |
| 0x00020208, 0x00000008, 0x08020008, 0x00020200 |
| }; |
| |
| static uint32 SB4[64] = |
| { |
| 0x00802001, 0x00002081, 0x00002081, 0x00000080, |
| 0x00802080, 0x00800081, 0x00800001, 0x00002001, |
| 0x00000000, 0x00802000, 0x00802000, 0x00802081, |
| 0x00000081, 0x00000000, 0x00800080, 0x00800001, |
| 0x00000001, 0x00002000, 0x00800000, 0x00802001, |
| 0x00000080, 0x00800000, 0x00002001, 0x00002080, |
| 0x00800081, 0x00000001, 0x00002080, 0x00800080, |
| 0x00002000, 0x00802080, 0x00802081, 0x00000081, |
| 0x00800080, 0x00800001, 0x00802000, 0x00802081, |
| 0x00000081, 0x00000000, 0x00000000, 0x00802000, |
| 0x00002080, 0x00800080, 0x00800081, 0x00000001, |
| 0x00802001, 0x00002081, 0x00002081, 0x00000080, |
| 0x00802081, 0x00000081, 0x00000001, 0x00002000, |
| 0x00800001, 0x00002001, 0x00802080, 0x00800081, |
| 0x00002001, 0x00002080, 0x00800000, 0x00802001, |
| 0x00000080, 0x00800000, 0x00002000, 0x00802080 |
| }; |
| |
| static uint32 SB5[64] = |
| { |
| 0x00000100, 0x02080100, 0x02080000, 0x42000100, |
| 0x00080000, 0x00000100, 0x40000000, 0x02080000, |
| 0x40080100, 0x00080000, 0x02000100, 0x40080100, |
| 0x42000100, 0x42080000, 0x00080100, 0x40000000, |
| 0x02000000, 0x40080000, 0x40080000, 0x00000000, |
| 0x40000100, 0x42080100, 0x42080100, 0x02000100, |
| 0x42080000, 0x40000100, 0x00000000, 0x42000000, |
| 0x02080100, 0x02000000, 0x42000000, 0x00080100, |
| 0x00080000, 0x42000100, 0x00000100, 0x02000000, |
| 0x40000000, 0x02080000, 0x42000100, 0x40080100, |
| 0x02000100, 0x40000000, 0x42080000, 0x02080100, |
| 0x40080100, 0x00000100, 0x02000000, 0x42080000, |
| 0x42080100, 0x00080100, 0x42000000, 0x42080100, |
| 0x02080000, 0x00000000, 0x40080000, 0x42000000, |
| 0x00080100, 0x02000100, 0x40000100, 0x00080000, |
| 0x00000000, 0x40080000, 0x02080100, 0x40000100 |
| }; |
| |
| static uint32 SB6[64] = |
| { |
| 0x20000010, 0x20400000, 0x00004000, 0x20404010, |
| 0x20400000, 0x00000010, 0x20404010, 0x00400000, |
| 0x20004000, 0x00404010, 0x00400000, 0x20000010, |
| 0x00400010, 0x20004000, 0x20000000, 0x00004010, |
| 0x00000000, 0x00400010, 0x20004010, 0x00004000, |
| 0x00404000, 0x20004010, 0x00000010, 0x20400010, |
| 0x20400010, 0x00000000, 0x00404010, 0x20404000, |
| 0x00004010, 0x00404000, 0x20404000, 0x20000000, |
| 0x20004000, 0x00000010, 0x20400010, 0x00404000, |
| 0x20404010, 0x00400000, 0x00004010, 0x20000010, |
| 0x00400000, 0x20004000, 0x20000000, 0x00004010, |
| 0x20000010, 0x20404010, 0x00404000, 0x20400000, |
| 0x00404010, 0x20404000, 0x00000000, 0x20400010, |
| 0x00000010, 0x00004000, 0x20400000, 0x00404010, |
| 0x00004000, 0x00400010, 0x20004010, 0x00000000, |
| 0x20404000, 0x20000000, 0x00400010, 0x20004010 |
| }; |
| |
| static uint32 SB7[64] = |
| { |
| 0x00200000, 0x04200002, 0x04000802, 0x00000000, |
| 0x00000800, 0x04000802, 0x00200802, 0x04200800, |
| 0x04200802, 0x00200000, 0x00000000, 0x04000002, |
| 0x00000002, 0x04000000, 0x04200002, 0x00000802, |
| 0x04000800, 0x00200802, 0x00200002, 0x04000800, |
| 0x04000002, 0x04200000, 0x04200800, 0x00200002, |
| 0x04200000, 0x00000800, 0x00000802, 0x04200802, |
| 0x00200800, 0x00000002, 0x04000000, 0x00200800, |
| 0x04000000, 0x00200800, 0x00200000, 0x04000802, |
| 0x04000802, 0x04200002, 0x04200002, 0x00000002, |
| 0x00200002, 0x04000000, 0x04000800, 0x00200000, |
| 0x04200800, 0x00000802, 0x00200802, 0x04200800, |
| 0x00000802, 0x04000002, 0x04200802, 0x04200000, |
| 0x00200800, 0x00000000, 0x00000002, 0x04200802, |
| 0x00000000, 0x00200802, 0x04200000, 0x00000800, |
| 0x04000002, 0x04000800, 0x00000800, 0x00200002 |
| }; |
| |
| static uint32 SB8[64] = |
| { |
| 0x10001040, 0x00001000, 0x00040000, 0x10041040, |
| 0x10000000, 0x10001040, 0x00000040, 0x10000000, |
| 0x00040040, 0x10040000, 0x10041040, 0x00041000, |
| 0x10041000, 0x00041040, 0x00001000, 0x00000040, |
| 0x10040000, 0x10000040, 0x10001000, 0x00001040, |
| 0x00041000, 0x00040040, 0x10040040, 0x10041000, |
| 0x00001040, 0x00000000, 0x00000000, 0x10040040, |
| 0x10000040, 0x10001000, 0x00041040, 0x00040000, |
| 0x00041040, 0x00040000, 0x10041000, 0x00001000, |
| 0x00000040, 0x10040040, 0x00001000, 0x00041040, |
| 0x10001000, 0x00000040, 0x10000040, 0x10040000, |
| 0x10040040, 0x10000000, 0x00040000, 0x10001040, |
| 0x00000000, 0x10041040, 0x00040040, 0x10000040, |
| 0x10040000, 0x10001000, 0x10001040, 0x00000000, |
| 0x10041040, 0x00041000, 0x00041000, 0x00001040, |
| 0x00001040, 0x00040040, 0x10000000, 0x10041000 |
| }; |
| |
| /* PC1: left and right halves bit-swap */ |
| |
| static uint32 LHs[16] = |
| { |
| 0x00000000, 0x00000001, 0x00000100, 0x00000101, |
| 0x00010000, 0x00010001, 0x00010100, 0x00010101, |
| 0x01000000, 0x01000001, 0x01000100, 0x01000101, |
| 0x01010000, 0x01010001, 0x01010100, 0x01010101 |
| }; |
| |
| static uint32 RHs[16] = |
| { |
| 0x00000000, 0x01000000, 0x00010000, 0x01010000, |
| 0x00000100, 0x01000100, 0x00010100, 0x01010100, |
| 0x00000001, 0x01000001, 0x00010001, 0x01010001, |
| 0x00000101, 0x01000101, 0x00010101, 0x01010101, |
| }; |
| |
| /* platform-independant 32-bit integer manipulation macros */ |
| |
| #define GET_UINT32(n,b,i) \ |
| { \ |
| (n) = ( (uint32) (b)[(i) ] << 24 ) \ |
| | ( (uint32) (b)[(i) + 1] << 16 ) \ |
| | ( (uint32) (b)[(i) + 2] << 8 ) \ |
| | ( (uint32) (b)[(i) + 3] ); \ |
| } |
| |
| #define PUT_UINT32(n,b,i) \ |
| { \ |
| (b)[(i) ] = (uint8) ( (n) >> 24 ); \ |
| (b)[(i) + 1] = (uint8) ( (n) >> 16 ); \ |
| (b)[(i) + 2] = (uint8) ( (n) >> 8 ); \ |
| (b)[(i) + 3] = (uint8) ( (n) ); \ |
| } |
| |
| /* Initial Permutation macro */ |
| |
| #define DES_IP(X,Y) \ |
| { \ |
| T = ((X >> 4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T << 4); \ |
| T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16); \ |
| T = ((Y >> 2) ^ X) & 0x33333333; X ^= T; Y ^= (T << 2); \ |
| T = ((Y >> 8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T << 8); \ |
| Y = ((Y << 1) | (Y >> 31)) & 0xFFFFFFFF; \ |
| T = (X ^ Y) & 0xAAAAAAAA; Y ^= T; X ^= T; \ |
| X = ((X << 1) | (X >> 31)) & 0xFFFFFFFF; \ |
| } |
| |
| /* Final Permutation macro */ |
| |
| #define DES_FP(X,Y) \ |
| { \ |
| X = ((X << 31) | (X >> 1)) & 0xFFFFFFFF; \ |
| T = (X ^ Y) & 0xAAAAAAAA; X ^= T; Y ^= T; \ |
| Y = ((Y << 31) | (Y >> 1)) & 0xFFFFFFFF; \ |
| T = ((Y >> 8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T << 8); \ |
| T = ((Y >> 2) ^ X) & 0x33333333; X ^= T; Y ^= (T << 2); \ |
| T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16); \ |
| T = ((X >> 4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T << 4); \ |
| } |
| |
| /* DES round macro */ |
| |
| #define DES_ROUND(X,Y) \ |
| { \ |
| T = *SK++ ^ X; \ |
| Y ^= SB8[ (T ) & 0x3F ] ^ \ |
| SB6[ (T >> 8) & 0x3F ] ^ \ |
| SB4[ (T >> 16) & 0x3F ] ^ \ |
| SB2[ (T >> 24) & 0x3F ]; \ |
| \ |
| T = *SK++ ^ ((X << 28) | (X >> 4)); \ |
| Y ^= SB7[ (T ) & 0x3F ] ^ \ |
| SB5[ (T >> 8) & 0x3F ] ^ \ |
| SB3[ (T >> 16) & 0x3F ] ^ \ |
| SB1[ (T >> 24) & 0x3F ]; \ |
| } |
| |
| /* DES key schedule */ |
| |
| int des_main_ks( uint32 SK[32], uint8 key[8] ) |
| { |
| int i; |
| uint32 X, Y, T; |
| |
| GET_UINT32( X, key, 0 ); |
| GET_UINT32( Y, key, 4 ); |
| |
| /* Permuted Choice 1 */ |
| |
| T = ((Y >> 4) ^ X) & 0x0F0F0F0F; X ^= T; Y ^= (T << 4); |
| T = ((Y ) ^ X) & 0x10101010; X ^= T; Y ^= (T ); |
| |
| X = (LHs[ (X ) & 0xF] << 3) | (LHs[ (X >> 8) & 0xF ] << 2) |
| | (LHs[ (X >> 16) & 0xF] << 1) | (LHs[ (X >> 24) & 0xF ] ) |
| | (LHs[ (X >> 5) & 0xF] << 7) | (LHs[ (X >> 13) & 0xF ] << 6) |
| | (LHs[ (X >> 21) & 0xF] << 5) | (LHs[ (X >> 29) & 0xF ] << 4); |
| |
| Y = (RHs[ (Y >> 1) & 0xF] << 3) | (RHs[ (Y >> 9) & 0xF ] << 2) |
| | (RHs[ (Y >> 17) & 0xF] << 1) | (RHs[ (Y >> 25) & 0xF ] ) |
| | (RHs[ (Y >> 4) & 0xF] << 7) | (RHs[ (Y >> 12) & 0xF ] << 6) |
| | (RHs[ (Y >> 20) & 0xF] << 5) | (RHs[ (Y >> 28) & 0xF ] << 4); |
| |
| X &= 0x0FFFFFFF; |
| Y &= 0x0FFFFFFF; |
| |
| /* calculate subkeys */ |
| |
| for( i = 0; i < 16; i++ ) |
| { |
| if( i < 2 || i == 8 || i == 15 ) |
| { |
| X = ((X << 1) | (X >> 27)) & 0x0FFFFFFF; |
| Y = ((Y << 1) | (Y >> 27)) & 0x0FFFFFFF; |
| } |
| else |
| { |
| X = ((X << 2) | (X >> 26)) & 0x0FFFFFFF; |
| Y = ((Y << 2) | (Y >> 26)) & 0x0FFFFFFF; |
| } |
| |
| *SK++ = ((X << 4) & 0x24000000) | ((X << 28) & 0x10000000) |
| | ((X << 14) & 0x08000000) | ((X << 18) & 0x02080000) |
| | ((X << 6) & 0x01000000) | ((X << 9) & 0x00200000) |
| | ((X >> 1) & 0x00100000) | ((X << 10) & 0x00040000) |
| | ((X << 2) & 0x00020000) | ((X >> 10) & 0x00010000) |
| | ((Y >> 13) & 0x00002000) | ((Y >> 4) & 0x00001000) |
| | ((Y << 6) & 0x00000800) | ((Y >> 1) & 0x00000400) |
| | ((Y >> 14) & 0x00000200) | ((Y ) & 0x00000100) |
| | ((Y >> 5) & 0x00000020) | ((Y >> 10) & 0x00000010) |
| | ((Y >> 3) & 0x00000008) | ((Y >> 18) & 0x00000004) |
| | ((Y >> 26) & 0x00000002) | ((Y >> 24) & 0x00000001); |
| |
| *SK++ = ((X << 15) & 0x20000000) | ((X << 17) & 0x10000000) |
| | ((X << 10) & 0x08000000) | ((X << 22) & 0x04000000) |
| | ((X >> 2) & 0x02000000) | ((X << 1) & 0x01000000) |
| | ((X << 16) & 0x00200000) | ((X << 11) & 0x00100000) |
| | ((X << 3) & 0x00080000) | ((X >> 6) & 0x00040000) |
| | ((X << 15) & 0x00020000) | ((X >> 4) & 0x00010000) |
| | ((Y >> 2) & 0x00002000) | ((Y << 8) & 0x00001000) |
| | ((Y >> 14) & 0x00000808) | ((Y >> 9) & 0x00000400) |
| | ((Y ) & 0x00000200) | ((Y << 7) & 0x00000100) |
| | ((Y >> 7) & 0x00000020) | ((Y >> 3) & 0x00000011) |
| | ((Y << 2) & 0x00000004) | ((Y >> 21) & 0x00000002); |
| } |
| |
| return( 0 ); |
| } |
| |
| int des_set_key( des_context *ctx, uint8 key[8] ) |
| { |
| int i; |
| |
| /* setup encryption subkeys */ |
| |
| des_main_ks( ctx->esk, key ); |
| |
| /* setup decryption subkeys */ |
| |
| for( i = 0; i < 32; i += 2 ) |
| { |
| ctx->dsk[i ] = ctx->esk[30 - i]; |
| ctx->dsk[i + 1] = ctx->esk[31 - i]; |
| } |
| |
| return( 0 ); |
| } |
| |
| /* DES 64-bit block encryption/decryption */ |
| |
| void des_crypt( uint32 SK[32], uint8 input[8], uint8 output[8] ) |
| { |
| uint32 X, Y, T; |
| |
| GET_UINT32( X, input, 0 ); |
| GET_UINT32( Y, input, 4 ); |
| |
| DES_IP( X, Y ); |
| |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| |
| DES_FP( Y, X ); |
| |
| PUT_UINT32( Y, output, 0 ); |
| PUT_UINT32( X, output, 4 ); |
| } |
| |
| void des_encrypt( des_context *ctx, uint8 input[8], uint8 output[8] ) |
| { |
| des_crypt( ctx->esk, input, output ); |
| } |
| |
| void des_decrypt( des_context *ctx, uint8 input[8], uint8 output[8] ) |
| { |
| des_crypt( ctx->dsk, input, output ); |
| } |
| |
| /* Triple-DES key schedule */ |
| |
| int des3_set_2keys( des3_context *ctx, uint8 key1[8], uint8 key2[8] ) |
| { |
| int i; |
| |
| des_main_ks( ctx->esk , key1 ); |
| des_main_ks( ctx->dsk + 32, key2 ); |
| |
| for( i = 0; i < 32; i += 2 ) |
| { |
| ctx->dsk[i ] = ctx->esk[30 - i]; |
| ctx->dsk[i + 1] = ctx->esk[31 - i]; |
| |
| ctx->esk[i + 32] = ctx->dsk[62 - i]; |
| ctx->esk[i + 33] = ctx->dsk[63 - i]; |
| |
| ctx->esk[i + 64] = ctx->esk[ i]; |
| ctx->esk[i + 65] = ctx->esk[ 1 + i]; |
| |
| ctx->dsk[i + 64] = ctx->dsk[ i]; |
| ctx->dsk[i + 65] = ctx->dsk[ 1 + i]; |
| } |
| |
| return( 0 ); |
| } |
| |
| int des3_set_3keys( des3_context *ctx, uint8 key1[8], uint8 key2[8], |
| uint8 key3[8] ) |
| { |
| int i; |
| |
| des_main_ks( ctx->esk , key1 ); |
| des_main_ks( ctx->dsk + 32, key2 ); |
| des_main_ks( ctx->esk + 64, key3 ); |
| |
| for( i = 0; i < 32; i += 2 ) |
| { |
| ctx->dsk[i ] = ctx->esk[94 - i]; |
| ctx->dsk[i + 1] = ctx->esk[95 - i]; |
| |
| ctx->esk[i + 32] = ctx->dsk[62 - i]; |
| ctx->esk[i + 33] = ctx->dsk[63 - i]; |
| |
| ctx->dsk[i + 64] = ctx->esk[30 - i]; |
| ctx->dsk[i + 65] = ctx->esk[31 - i]; |
| } |
| |
| return( 0 ); |
| } |
| |
| /* Triple-DES 64-bit block encryption/decryption */ |
| |
| void des3_crypt( uint32 SK[96], uint8 input[8], uint8 output[8] ) |
| { |
| uint32 X, Y, T; |
| |
| GET_UINT32( X, input, 0 ); |
| GET_UINT32( Y, input, 4 ); |
| |
| DES_IP( X, Y ); |
| |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| |
| DES_ROUND( X, Y ); DES_ROUND( Y, X ); |
| DES_ROUND( X, Y ); DES_ROUND( Y, X ); |
| DES_ROUND( X, Y ); DES_ROUND( Y, X ); |
| DES_ROUND( X, Y ); DES_ROUND( Y, X ); |
| DES_ROUND( X, Y ); DES_ROUND( Y, X ); |
| DES_ROUND( X, Y ); DES_ROUND( Y, X ); |
| DES_ROUND( X, Y ); DES_ROUND( Y, X ); |
| DES_ROUND( X, Y ); DES_ROUND( Y, X ); |
| |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| DES_ROUND( Y, X ); DES_ROUND( X, Y ); |
| |
| DES_FP( Y, X ); |
| |
| PUT_UINT32( Y, output, 0 ); |
| PUT_UINT32( X, output, 4 ); |
| } |
| |
| void des3_encrypt( des3_context *ctx, uint8 input[8], uint8 output[8] ) |
| { |
| des3_crypt( ctx->esk, input, output ); |
| } |
| |
| void des3_decrypt( des3_context *ctx, uint8 input[8], uint8 output[8] ) |
| { |
| des3_crypt( ctx->dsk, input, output ); |
| } |
| |
| |
| #include <string.h> |
| #include <stdio.h> |
| |
| /* |
| * Triple-DES Monte Carlo Test: ECB mode |
| * source: NIST - tripledes-vectors.zip |
| */ |
| |
| static unsigned char DES3_keys[3][8] = |
| { |
| { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF }, |
| { 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01 }, |
| { 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23 } |
| }; |
| |
| static unsigned char DES3_init[8] = |
| { |
| 0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74 |
| }; |
| |
| static unsigned char DES3_enc_test[3][8] = |
| { |
| { 0x6A, 0x2A, 0x19, 0xF4, 0x1E, 0xCA, 0x85, 0x4B }, |
| { 0x03, 0xE6, 0x9F, 0x5B, 0xFA, 0x58, 0xEB, 0x42 }, |
| { 0xDD, 0x17, 0xE8, 0xB8, 0xB4, 0x37, 0xD2, 0x32 } |
| }; |
| |
| static unsigned char DES3_dec_test[3][8] = |
| { |
| { 0xCD, 0xD6, 0x4F, 0x2F, 0x94, 0x27, 0xC1, 0x5D }, |
| { 0x69, 0x96, 0xC8, 0xFA, 0x47, 0xA2, 0xAB, 0xEB }, |
| { 0x83, 0x25, 0x39, 0x76, 0x44, 0x09, 0x1A, 0x0A } |
| }; |
| |
| int main( int argc, char**argv ) |
| { |
| int m, n, i; |
| des_context ctx; |
| des3_context ctx3; |
| unsigned char buf[8]; |
| int delay; |
| int NumDelay = 100; |
| if (argc == 2) NumDelay = atoi(argv[1]); |
| |
| for( m = 0; m < 2; m++ ) |
| { |
| printf( "\n Triple-DES Monte Carlo Test (ECB mode) - " ); |
| |
| if( m == 0 ) printf( "encryption\n\n" ); |
| if( m == 1 ) printf( "decryption\n\n" ); |
| |
| for( n = 0; n < 3; n++ ) |
| { |
| printf( " Test %d, key size = %3d bits: ", |
| n + 1, 64 + n * 64 ); |
| |
| fflush( stdout ); |
| |
| for (delay = 0; delay < NumDelay; ++delay) { |
| |
| memcpy( buf, DES3_init, 8 ); |
| |
| switch( n ) |
| { |
| case 0: |
| des_set_key( &ctx, DES3_keys[0] ); |
| break; |
| |
| case 1: |
| des3_set_2keys( &ctx3, DES3_keys[0], |
| DES3_keys[1] ); |
| break; |
| |
| case 2: |
| des3_set_3keys( &ctx3, DES3_keys[0], |
| DES3_keys[1], |
| DES3_keys[2] ); |
| break; |
| } |
| |
| for( i = 0; i < 10000; i++ ) |
| { |
| if( n == 0 ) |
| { |
| if( m == 0 ) des_encrypt( &ctx, buf, buf ); |
| if( m == 1 ) des_decrypt( &ctx, buf, buf ); |
| } |
| else |
| { |
| if( m == 0 ) des3_encrypt( &ctx3, buf, buf ); |
| if( m == 1 ) des3_decrypt( &ctx3, buf, buf ); |
| } |
| } |
| |
| if( ( m == 0 && memcmp( buf, DES3_enc_test[n], 8 ) ) || |
| ( m == 1 && memcmp( buf, DES3_dec_test[n], 8 ) ) ) |
| { |
| printf( "failed!\n" ); |
| return( 1 ); |
| } |
| } |
| |
| printf( "passed.\n" ); |
| } |
| } |
| |
| printf( "\n" ); |
| |
| return( 0 ); |
| } |
| |
