Mercurial > dropbear

annotate libtomcrypt/testprof/store_test.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 f849a5ca2efc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
285
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diff changeset
1 #include <tomcrypt_test.h>
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2
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diff changeset
3 /* Test store/load macros with offsets */
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diff changeset
4 int store_test(void)
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5 {
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diff changeset
6 unsigned char buf[256];
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7 int y;
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8 ulong32 L, L1;
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9 ulong64 LL, LL1;
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diff changeset
10 #ifdef LTC_FAST
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11 int x, z;
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12 #endif
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13
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14 for (y = 0; y < 4; y++) {
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15 L = 0x12345678UL;
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16 L1 = 0;
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17 STORE32L(L, buf + y);
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18 LOAD32L(L1, buf + y);
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19 if (L1 != L) {
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20 fprintf(stderr, "\n32L failed at offset %d\n", y);
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21 return 1;
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22 }
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23 STORE32H(L, buf + y);
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24 LOAD32H(L1, buf + y);
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25 if (L1 != L) {
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26 fprintf(stderr, "\n32H failed at offset %d\n", y);
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27 return 1;
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28 }
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29 }
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30
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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31 for (y = 0; y < 8; y++) {
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32 LL = CONST64 (0x01020304050607);
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33 LL1 = 0;
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34 STORE64L(LL, buf + y);
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35 LOAD64L(LL1, buf + y);
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36 if (LL1 != LL) {
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37 fprintf(stderr, "\n64L failed at offset %d\n", y);
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38 return 1;
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39 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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40 STORE64H(LL, buf + y);
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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41 LOAD64H(LL1, buf + y);
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42 if (LL1 != LL) {
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43 fprintf(stderr, "\n64H failed at offset %d\n", y);
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44 return 1;
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45 }
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46 }
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47
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48 /* test LTC_FAST */
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49 #ifdef LTC_FAST
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50 y = 16;
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51
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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52 for (z = 0; z < y; z++) {
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53 /* fill y bytes with random */
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54 yarrow_read(buf+z, y, &yarrow_prng);
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55 yarrow_read(buf+z+y, y, &yarrow_prng);
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56
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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57 /* now XOR it byte for byte */
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58 for (x = 0; x < y; x++) {
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59 buf[2*y+z+x] = buf[z+x] ^ buf[z+y+x];
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60 }
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61
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62 /* now XOR it word for word */
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63 for (x = 0; x < y; x += sizeof(LTC_FAST_TYPE)) {
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64 *((LTC_FAST_TYPE*)(&buf[3*y+z+x])) = *((LTC_FAST_TYPE*)(&buf[z+x])) ^ *((LTC_FAST_TYPE*)(&buf[z+y+x]));
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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65 }
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66
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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67 if (memcmp(&buf[2*y+z], &buf[3*y+z], y)) {
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68 fprintf(stderr, "\nLTC_FAST failed at offset %d\n", z);
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69 return 1;
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70 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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71 }
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diff changeset
72 #endif
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73 return 0;
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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74 }
1b9e69c058d2 propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
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75
1435
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
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76 /* $Source$ */
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
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77 /* $Revision$ */
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78 /* $Date$ */