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annotate libtomcrypt/tests/pkcs_1_pss_test.c @ 1861:2b3a8026a6ce

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Add re-exec for server This allows ASLR to re-randomize the address space for every connection, preventing some vulnerabilities from being exploitable by repeated probing. Overhead (memory and time) is yet to be confirmed. At present this is only enabled on Linux. Other BSD platforms with fexecve() would probably also work though have not been tested.
author Matt Johnston <matt@ucc.asn.au>
date Sun, 30 Jan 2022 10:14:56 +0800
parents 6dba84798cd5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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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_test.h>
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10
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11 #if defined(LTC_PKCS_1) && defined(LTC_TEST_MPI)
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12
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13 #include "../notes/rsa-testvectors/pss-vect.c"
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14
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15
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16
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17 int pkcs_1_pss_test(void)
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18 {
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19 struct ltc_prng_descriptor* no_prng_desc = no_prng_desc_get();
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20 int prng_idx = register_prng(no_prng_desc);
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21 int hash_idx = find_hash("sha1");
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22 unsigned int i;
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23 unsigned int j;
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24
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25 DO(prng_is_valid(prng_idx));
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26 DO(hash_is_valid(hash_idx));
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27
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28 for (i = 0; i < sizeof(testcases_pss)/sizeof(testcases_pss[0]); ++i) {
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29 testcase_t* t = &testcases_pss[i];
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30 rsa_key k, *key = &k;
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31 DOX(mp_init_multi(&key->e, &key->d, &key->N, &key->dQ,
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32 &key->dP, &key->qP, &key->p, &key->q, NULL), t->name);
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33
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34 DOX(mp_read_unsigned_bin(key->e, t->rsa.e, t->rsa.e_l), t->name);
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35 DOX(mp_read_unsigned_bin(key->d, t->rsa.d, t->rsa.d_l), t->name);
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36 DOX(mp_read_unsigned_bin(key->N, t->rsa.n, t->rsa.n_l), t->name);
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37 DOX(mp_read_unsigned_bin(key->dQ, t->rsa.dQ, t->rsa.dQ_l), t->name);
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38 DOX(mp_read_unsigned_bin(key->dP, t->rsa.dP, t->rsa.dP_l), t->name);
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39 DOX(mp_read_unsigned_bin(key->qP, t->rsa.qInv, t->rsa.qInv_l), t->name);
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40 DOX(mp_read_unsigned_bin(key->q, t->rsa.q, t->rsa.q_l), t->name);
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41 DOX(mp_read_unsigned_bin(key->p, t->rsa.p, t->rsa.p_l), t->name);
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42 key->type = PK_PRIVATE;
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43
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44 for (j = 0; j < sizeof(t->data)/sizeof(t->data[0]); ++j) {
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45 rsaData_t* s = &t->data[j];
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46 unsigned char buf[20], obuf[256];
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47 unsigned long buflen = sizeof(buf), obuflen = sizeof(obuf);
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48 int stat;
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49 prng_descriptor[prng_idx].add_entropy(s->o2, s->o2_l, (prng_state*)no_prng_desc);
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50 DOX(hash_memory(hash_idx, s->o1, s->o1_l, buf, &buflen), s->name);
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51 DOX(rsa_sign_hash(buf, buflen, obuf, &obuflen, (prng_state*)no_prng_desc, prng_idx, hash_idx, s->o2_l, key), s->name);
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52 DOX(obuflen == (unsigned long)s->o3_l?CRYPT_OK:CRYPT_FAIL_TESTVECTOR, s->name);
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53 DOX(memcmp(s->o3, obuf, s->o3_l)==0?CRYPT_OK:CRYPT_FAIL_TESTVECTOR, s->name);
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54 DOX(rsa_verify_hash(obuf, obuflen, buf, buflen, hash_idx, s->o2_l, &stat, key), s->name);
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55 DOX(stat == 1?CRYPT_OK:CRYPT_FAIL_TESTVECTOR, s->name);
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56 } /* for */
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57
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58 mp_clear_multi(key->d, key->e, key->N, key->dQ, key->dP, key->qP, key->p, key->q, NULL);
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59 } /* for */
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60
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61 unregister_prng(no_prng_desc);
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62 no_prng_desc_free(no_prng_desc);
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63
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64 return 0;
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65 }
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66
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67 #else
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68
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69 int pkcs_1_pss_test(void)
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70 {
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71 return CRYPT_NOP;
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72 }
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73
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74 #endif
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75
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76
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77 /* ref: $Format:%D$ */
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78 /* git commit: $Format:%H$ */
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79 /* commit time: $Format:%ai$ */