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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
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2 * |
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3 * LibTomCrypt is a library that provides various cryptographic |
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4 * algorithms in a highly modular and flexible manner. |
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5 * |
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6 * The library is free for all purposes without any express |
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7 * guarantee it works. |
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8 * |
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9 * Tom St Denis, [email protected], http://libtomcrypt.com |
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10 */ |
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11 #include "tomcrypt.h" |
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12 |
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13 /** |
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14 @file ctr_test.c |
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15 CTR implementation, Tests again RFC 3686, Tom St Denis |
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16 */ |
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17 |
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18 #ifdef LTC_CTR_MODE |
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19 |
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20 int ctr_test(void) |
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21 { |
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22 #ifdef LTC_NO_TEST |
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23 return CRYPT_NOP; |
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24 #else |
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25 static const struct { |
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26 int keylen, msglen; |
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27 unsigned char key[32], IV[16], pt[64], ct[64]; |
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28 } tests[] = { |
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29 /* 128-bit key, 16-byte pt */ |
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30 { |
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31 16, 16, |
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32 {0xAE,0x68,0x52,0xF8,0x12,0x10,0x67,0xCC,0x4B,0xF7,0xA5,0x76,0x55,0x77,0xF3,0x9E }, |
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33 {0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, |
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34 {0x53,0x69,0x6E,0x67,0x6C,0x65,0x20,0x62,0x6C,0x6F,0x63,0x6B,0x20,0x6D,0x73,0x67 }, |
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35 {0xE4,0x09,0x5D,0x4F,0xB7,0xA7,0xB3,0x79,0x2D,0x61,0x75,0xA3,0x26,0x13,0x11,0xB8 }, |
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36 }, |
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37 |
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38 /* 128-bit key, 36-byte pt */ |
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39 { |
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40 16, 36, |
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41 {0x76,0x91,0xBE,0x03,0x5E,0x50,0x20,0xA8,0xAC,0x6E,0x61,0x85,0x29,0xF9,0xA0,0xDC }, |
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42 {0x00,0xE0,0x01,0x7B,0x27,0x77,0x7F,0x3F,0x4A,0x17,0x86,0xF0,0x00,0x00,0x00,0x00 }, |
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43 {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F, |
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44 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F, |
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45 0x20,0x21,0x22,0x23}, |
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46 {0xC1,0xCF,0x48,0xA8,0x9F,0x2F,0xFD,0xD9,0xCF,0x46,0x52,0xE9,0xEF,0xDB,0x72,0xD7, |
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47 0x45,0x40,0xA4,0x2B,0xDE,0x6D,0x78,0x36,0xD5,0x9A,0x5C,0xEA,0xAE,0xF3,0x10,0x53, |
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48 0x25,0xB2,0x07,0x2F }, |
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49 }, |
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50 }; |
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51 int idx, err, x; |
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52 unsigned char buf[64]; |
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53 symmetric_CTR ctr; |
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54 |
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55 /* AES can be under rijndael or aes... try to find it */ |
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56 if ((idx = find_cipher("aes")) == -1) { |
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57 if ((idx = find_cipher("rijndael")) == -1) { |
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58 return CRYPT_NOP; |
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59 } |
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60 } |
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61 |
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62 for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) { |
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63 if ((err = ctr_start(idx, tests[x].IV, tests[x].key, tests[x].keylen, 0, CTR_COUNTER_BIG_ENDIAN|LTC_CTR_RFC3686, &ctr)) != CRYPT_OK) { |
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64 return err; |
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65 } |
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66 if ((err = ctr_encrypt(tests[x].pt, buf, tests[x].msglen, &ctr)) != CRYPT_OK) { |
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67 return err; |
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68 } |
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69 ctr_done(&ctr); |
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70 if (XMEMCMP(buf, tests[x].ct, tests[x].msglen)) { |
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71 return CRYPT_FAIL_TESTVECTOR; |
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72 } |
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73 } |
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74 return CRYPT_OK; |
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75 #endif |
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76 } |
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77 |
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78 #endif |
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79 |
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80 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_test.c,v $ */ |
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81 /* $Revision: 1.3 $ */ |
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82 /* $Date: 2006/11/05 02:06:49 $ */ |
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83 |
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84 |
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85 |
