Mercurial > dropbear
view libtomcrypt/testprof/pkcs_1_test.c @ 717:74deece07742
update text about authorized_keys options
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 21 Mar 2013 23:11:16 +0800 (2013-03-21) |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
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#include <tomcrypt_test.h> #ifdef PKCS_1 int pkcs_1_test(void) { unsigned char buf[3][128]; int res1, res2, res3, prng_idx, hash_idx, err; unsigned long x, y, l1, l2, l3, i1, i2, lparamlen, saltlen, modlen; static const unsigned char lparam[] = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 }; /* get hash/prng */ hash_idx = find_hash("sha1"); prng_idx = find_prng("yarrow"); if (hash_idx == -1 || prng_idx == -1) { fprintf(stderr, "pkcs_1 tests require sha1/yarrow"); return 1; } srand(time(NULL)); /* do many tests */ for (x = 0; x < 100; x++) { zeromem(buf, sizeof(buf)); /* make a dummy message (of random length) */ l3 = (rand() & 31) + 8; for (y = 0; y < l3; y++) buf[0][y] = rand() & 255; /* pick a random lparam len [0..16] */ lparamlen = abs(rand()) % 17; /* pick a random saltlen 0..16 */ saltlen = abs(rand()) % 17; /* PKCS #1 v2.0 supports modlens not multiple of 8 */ modlen = 800 + (abs(rand()) % 224); /* encode it */ l1 = sizeof(buf[1]); DO(pkcs_1_oaep_encode(buf[0], l3, lparam, lparamlen, modlen, &yarrow_prng, prng_idx, hash_idx, buf[1], &l1)); /* decode it */ l2 = sizeof(buf[2]); DO(pkcs_1_oaep_decode(buf[1], l1, lparam, lparamlen, modlen, hash_idx, buf[2], &l2, &res1)); if (res1 != 1 || l2 != l3 || memcmp(buf[2], buf[0], l3) != 0) { fprintf(stderr, "Outsize == %lu, should have been %lu, res1 = %d, lparamlen = %lu, msg contents follow.\n", l2, l3, res1, lparamlen); fprintf(stderr, "ORIGINAL:\n"); for (x = 0; x < l3; x++) { fprintf(stderr, "%02x ", buf[0][x]); } fprintf(stderr, "\nRESULT:\n"); for (x = 0; x < l2; x++) { fprintf(stderr, "%02x ", buf[2][x]); } fprintf(stderr, "\n\n"); return 1; } /* test PSS */ l1 = sizeof(buf[1]); DO(pkcs_1_pss_encode(buf[0], l3, saltlen, &yarrow_prng, prng_idx, hash_idx, modlen, buf[1], &l1)); DO(pkcs_1_pss_decode(buf[0], l3, buf[1], l1, saltlen, hash_idx, modlen, &res1)); buf[0][i1 = abs(rand()) % l3] ^= 1; DO(pkcs_1_pss_decode(buf[0], l3, buf[1], l1, saltlen, hash_idx, modlen, &res2)); buf[0][i1] ^= 1; buf[1][i2 = abs(rand()) % (l1 - 1)] ^= 1; pkcs_1_pss_decode(buf[0], l3, buf[1], l1, saltlen, hash_idx, modlen, &res3); if (!(res1 == 1 && res2 == 0 && res3 == 0)) { fprintf(stderr, "PSS failed: %d, %d, %d, %lu, %lu\n", res1, res2, res3, l3, saltlen); return 1; } } return 0; } #else int pkcs_1_test(void) { fprintf(stderr, "NOP"); return 0; } #endif /* $Source: /cvs/libtom/libtomcrypt/testprof/pkcs_1_test.c,v $ */ /* $Revision: 1.7 $ */ /* $Date: 2006/11/30 03:30:45 $ */