Mercurial > dropbear

annotate libtomcrypt/src/modes/f8/f8_test_mode.c @ 1672:3a97f14c0235

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Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) * Add Chacha20-Poly1305 authenticated encryption * Add general AEAD approach. * Add [email protected] algo using LibTomCrypt chacha and poly1305 routines. Chacha20-Poly1305 is generally faster than AES256 on CPU w/o dedicated AES instructions, having the same key size. Compiling in will add ~5,5kB to binary size on x86-64. function old new delta chacha_crypt - 1397 +1397 _poly1305_block - 608 +608 poly1305_done - 595 +595 dropbear_chachapoly_crypt - 457 +457 .rodata 26976 27392 +416 poly1305_process - 290 +290 poly1305_init - 221 +221 chacha_setup - 218 +218 encrypt_packet 1068 1270 +202 dropbear_chachapoly_getlength - 147 +147 decrypt_packet 756 897 +141 chacha_ivctr64 - 137 +137 read_packet 543 637 +94 dropbear_chachapoly_start - 94 +94 read_kex_algos 792 880 +88 chacha_keystream - 69 +69 dropbear_mode_chachapoly - 48 +48 sshciphers 280 320 +40 dropbear_mode_none 24 48 +24 dropbear_mode_ctr 24 48 +24 dropbear_mode_cbc 24 48 +24 dropbear_chachapoly_mac - 24 +24 dropbear_chachapoly - 24 +24 gen_new_keys 848 854 +6 ------------------------------------------------------------------------------ (add/remove: 14/0 grow/shrink: 10/0 up/down: 5388/0) Total: 5388 bytes * Add AES128-GCM and AES256-GCM authenticated encryption * Add general AES-GCM mode. * Add [email protected] and [email protected] algo using LibTomCrypt gcm routines. AES-GCM is combination of AES CTR mode and GHASH, slower than AES-CTR on CPU w/o dedicated AES/GHASH instructions therefore disabled by default. Compiling in will add ~6kB to binary size on x86-64. function old new delta gcm_process - 1060 +1060 .rodata 26976 27808 +832 gcm_gf_mult - 820 +820 gcm_add_aad - 660 +660 gcm_shift_table - 512 +512 gcm_done - 471 +471 gcm_add_iv - 384 +384 gcm_init - 347 +347 dropbear_gcm_crypt - 309 +309 encrypt_packet 1068 1270 +202 decrypt_packet 756 897 +141 gcm_reset - 118 +118 read_packet 543 637 +94 read_kex_algos 792 880 +88 sshciphers 280 360 +80 gcm_mult_h - 80 +80 dropbear_gcm_start - 62 +62 dropbear_mode_gcm - 48 +48 dropbear_mode_none 24 48 +24 dropbear_mode_ctr 24 48 +24 dropbear_mode_cbc 24 48 +24 dropbear_ghash - 24 +24 dropbear_gcm_getlength - 24 +24 gen_new_keys 848 854 +6 ------------------------------------------------------------------------------ (add/remove: 14/0 grow/shrink: 10/0 up/down: 6434/0) Total: 6434 bytes
author Vladislav Grishenko <themiron@users.noreply.github.com>
date Mon, 25 May 2020 20:50:25 +0500
parents 6dba84798cd5
children
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382
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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 #include "tomcrypt.h"
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10
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11 /**
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12 @file f8_test_mode.c
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13 F8 implementation, test, Tom St Denis
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14 */
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15
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16
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17 #ifdef LTC_F8_MODE
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18
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19 int f8_test_mode(void)
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20 {
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21 #ifndef LTC_TEST
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22 return CRYPT_NOP;
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23 #else
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24 static const unsigned char key[16] = { 0x23, 0x48, 0x29, 0x00, 0x84, 0x67, 0xbe, 0x18,
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25 0x6c, 0x3d, 0xe1, 0x4a, 0xae, 0x72, 0xd6, 0x2c };
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26 static const unsigned char salt[4] = { 0x32, 0xf2, 0x87, 0x0d };
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27 static const unsigned char IV[16] = { 0x00, 0x6e, 0x5c, 0xba, 0x50, 0x68, 0x1d, 0xe5,
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28 0x5c, 0x62, 0x15, 0x99, 0xd4, 0x62, 0x56, 0x4a };
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29 static const unsigned char pt[39] = { 0x70, 0x73, 0x65, 0x75, 0x64, 0x6f, 0x72, 0x61,
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30 0x6e, 0x64, 0x6f, 0x6d, 0x6e, 0x65, 0x73, 0x73,
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31 0x20, 0x69, 0x73, 0x20, 0x74, 0x68, 0x65, 0x20,
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32 0x6e, 0x65, 0x78, 0x74, 0x20, 0x62, 0x65, 0x73,
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33 0x74, 0x20, 0x74, 0x68, 0x69, 0x6e, 0x67 };
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34 static const unsigned char ct[39] = { 0x01, 0x9c, 0xe7, 0xa2, 0x6e, 0x78, 0x54, 0x01,
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35 0x4a, 0x63, 0x66, 0xaa, 0x95, 0xd4, 0xee, 0xfd,
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36 0x1a, 0xd4, 0x17, 0x2a, 0x14, 0xf9, 0xfa, 0xf4,
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37 0x55, 0xb7, 0xf1, 0xd4, 0xb6, 0x2b, 0xd0, 0x8f,
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38 0x56, 0x2c, 0x0e, 0xef, 0x7c, 0x48, 0x02 };
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39 unsigned char buf[39];
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40 symmetric_F8 f8;
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41 int err, idx;
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42
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43 idx = find_cipher("aes");
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44 if (idx == -1) {
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45 idx = find_cipher("rijndael");
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46 if (idx == -1) return CRYPT_NOP;
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47 }
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48
382
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49 /* initialize the context */
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50 if ((err = f8_start(idx, IV, key, sizeof(key), salt, sizeof(salt), 0, &f8)) != CRYPT_OK) {
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51 return err;
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52 }
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53
382
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54 /* encrypt block */
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55 if ((err = f8_encrypt(pt, buf, sizeof(pt), &f8)) != CRYPT_OK) {
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56 f8_done(&f8);
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57 return err;
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58 }
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59 f8_done(&f8);
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60
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61 /* compare */
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62 if (compare_testvector(buf, sizeof(ct), ct, sizeof(ct), "f8", 0)) {
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63 return CRYPT_FAIL_TESTVECTOR;
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64 }
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65
382
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66 return CRYPT_OK;
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67 #endif
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68 }
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69
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70 #endif
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71
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72 /* ref: $Format:%D$ */
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73 /* git commit: $Format:%H$ */
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74 /* commit time: $Format:%ai$ */