Mercurial > dropbear
diff libtomcrypt/testprof/rsa_test.c @ 389:5ff8218bcee9
propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 2af95f00ebd5bb7a28b3817db1218442c935388e)
to branch 'au.asn.ucc.matt.dropbear' (head ecd779509ef23a8cdf64888904fc9b31d78aa933)
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Thu, 11 Jan 2007 03:14:55 +0000 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
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line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtomcrypt/testprof/rsa_test.c Thu Jan 11 03:14:55 2007 +0000 @@ -0,0 +1,387 @@ +#include <tomcrypt_test.h> + +#ifdef MRSA + +#define RSA_MSGSIZE 78 + +/* These are test keys [see file test.key] that I use to test my import/export against */ +static const unsigned char openssl_private_rsa[] = { + 0x30, 0x82, 0x02, 0x5e, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde, 0x64, 0x8a, + 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7, 0xa1, 0xb7, + 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96, 0x65, 0xe5, + 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60, 0x12, 0x8a, + 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b, 0xbf, 0x12, + 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68, 0x7c, 0x61, + 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4, 0xe2, 0x76, + 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a, 0x60, 0x3f, + 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01, 0x00, 0x01, + 0x02, 0x81, 0x81, 0x00, 0xc8, 0x62, 0xb9, 0xea, 0xde, 0x44, 0x53, 0x1d, 0x56, 0x97, 0xd9, 0x97, + 0x9e, 0x1a, 0xcf, 0x30, 0x1e, 0x0a, 0x88, 0x45, 0x86, 0x29, 0x30, 0xa3, 0x4d, 0x9f, 0x61, 0x65, + 0x73, 0xe0, 0xd6, 0x87, 0x8f, 0xb6, 0xf3, 0x06, 0xa3, 0x82, 0xdc, 0x7c, 0xac, 0xfe, 0x9b, 0x28, + 0x9a, 0xae, 0xfd, 0xfb, 0xfe, 0x2f, 0x0e, 0xd8, 0x97, 0x04, 0xe3, 0xbb, 0x1f, 0xd1, 0xec, 0x0d, + 0xba, 0xa3, 0x49, 0x7f, 0x47, 0xac, 0x8a, 0x44, 0x04, 0x7e, 0x86, 0xb7, 0x39, 0x42, 0x3f, 0xad, + 0x1e, 0xb7, 0x0e, 0xa5, 0x51, 0xf4, 0x40, 0x63, 0x1e, 0xfd, 0xbd, 0xea, 0x9f, 0x41, 0x9f, 0xa8, + 0x90, 0x1d, 0x6f, 0x0a, 0x5a, 0x95, 0x13, 0x11, 0x0d, 0x80, 0xaf, 0x5f, 0x64, 0x98, 0x8a, 0x2c, + 0x78, 0x68, 0x65, 0xb0, 0x2b, 0x8b, 0xa2, 0x53, 0x87, 0xca, 0xf1, 0x64, 0x04, 0xab, 0xf2, 0x7b, + 0xdb, 0x83, 0xc8, 0x81, 0x02, 0x41, 0x00, 0xf7, 0xbe, 0x5e, 0x23, 0xc3, 0x32, 0x3f, 0xbf, 0x8b, + 0x8e, 0x3a, 0xee, 0xfc, 0xfc, 0xcb, 0xe5, 0xf7, 0xf1, 0x0b, 0xbc, 0x42, 0x82, 0xae, 0xd5, 0x7a, + 0x3e, 0xca, 0xf7, 0xd5, 0x69, 0x3f, 0x64, 0x25, 0xa2, 0x1f, 0xb7, 0x75, 0x75, 0x05, 0x92, 0x42, + 0xeb, 0xb8, 0xf1, 0xf3, 0x0a, 0x05, 0xe3, 0x94, 0xd1, 0x55, 0x78, 0x35, 0xa0, 0x36, 0xa0, 0x9b, + 0x7c, 0x92, 0x84, 0x6c, 0xdd, 0xdc, 0x4d, 0x02, 0x41, 0x00, 0xd6, 0x86, 0x0e, 0x85, 0x42, 0x0b, + 0x04, 0x08, 0x84, 0x21, 0x60, 0xf0, 0x0e, 0x0d, 0x88, 0xfd, 0x1e, 0x36, 0x10, 0x65, 0x4f, 0x1e, + 0x53, 0xb4, 0x08, 0x72, 0x80, 0x5c, 0x3f, 0x59, 0x66, 0x17, 0xe6, 0x98, 0xf2, 0xe9, 0x6c, 0x7a, + 0x06, 0x4c, 0xac, 0x76, 0x3d, 0xed, 0x8c, 0xa1, 0xce, 0xad, 0x1b, 0xbd, 0xb4, 0x7d, 0x28, 0xbc, + 0xe3, 0x0e, 0x38, 0x8d, 0x99, 0xd8, 0x05, 0xb5, 0xa3, 0x71, 0x02, 0x40, 0x6d, 0xeb, 0xc3, 0x2d, + 0x2e, 0xf0, 0x5e, 0xa4, 0x88, 0x31, 0x05, 0x29, 0x00, 0x8a, 0xd1, 0x95, 0x29, 0x9b, 0x83, 0xcf, + 0x75, 0xdb, 0x31, 0xe3, 0x7a, 0x27, 0xde, 0x3a, 0x74, 0x30, 0x0c, 0x76, 0x4c, 0xd4, 0x50, 0x2a, + 0x40, 0x2d, 0x39, 0xd9, 0x99, 0x63, 0xa9, 0x5d, 0x80, 0xae, 0x53, 0xca, 0x94, 0x3f, 0x05, 0x23, + 0x1e, 0xf8, 0x05, 0x04, 0xe1, 0xb8, 0x35, 0xf2, 0x17, 0xb3, 0xa0, 0x89, 0x02, 0x41, 0x00, 0xab, + 0x90, 0x88, 0xfa, 0x60, 0x08, 0x29, 0x50, 0x9a, 0x43, 0x8b, 0xa0, 0x50, 0xcc, 0xd8, 0x5a, 0xfe, + 0x97, 0x64, 0x63, 0x71, 0x74, 0x22, 0xa3, 0x20, 0x02, 0x5a, 0xcf, 0xeb, 0xc6, 0x16, 0x95, 0x54, + 0xd1, 0xcb, 0xab, 0x8d, 0x1a, 0xc6, 0x00, 0xfa, 0x08, 0x92, 0x9c, 0x71, 0xd5, 0x52, 0x52, 0x35, + 0x96, 0x71, 0x4b, 0x8b, 0x92, 0x0c, 0xd0, 0xe9, 0xbf, 0xad, 0x63, 0x0b, 0xa5, 0xe9, 0xb1, 0x02, + 0x41, 0x00, 0xdc, 0xcc, 0x27, 0xc8, 0xe4, 0xdc, 0x62, 0x48, 0xd5, 0x9b, 0xaf, 0xf5, 0xab, 0x60, + 0xf6, 0x21, 0xfd, 0x53, 0xe2, 0xb7, 0x5d, 0x09, 0xc9, 0x1a, 0xa1, 0x04, 0xa9, 0xfc, 0x61, 0x2c, + 0x5d, 0x04, 0x58, 0x3a, 0x5a, 0x39, 0xf1, 0x4a, 0x21, 0x56, 0x67, 0xfd, 0xcc, 0x20, 0xa3, 0x8f, + 0x78, 0x18, 0x5a, 0x79, 0x3d, 0x2e, 0x8e, 0x7e, 0x86, 0x0a, 0xe6, 0xa8, 0x33, 0xc1, 0x04, 0x17, + 0x4a, 0x9f, }; + + +/*** openssl public RSA key in DER format */ +static const unsigned char openssl_public_rsa[] = { + 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, + 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde, + 0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7, + 0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96, + 0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60, + 0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b, + 0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68, + 0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4, + 0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a, + 0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01, + 0x00, 0x01, }; + +/* same key but with extra headers stripped */ +static const unsigned char openssl_public_rsa_stripped[] = { + 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde, + 0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7, + 0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96, + 0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60, + 0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b, + 0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68, + 0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4, + 0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a, + 0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01, + 0x00, 0x01, }; + +static int rsa_compat_test(void) +{ + rsa_key key; + unsigned char buf[1024]; + unsigned long len; + + /* try reading the key */ + DO(rsa_import(openssl_private_rsa, sizeof(openssl_private_rsa), &key)); + + /* now try to export private/public and compare */ + len = sizeof(buf); + DO(rsa_export(buf, &len, PK_PRIVATE, &key)); + if (len != sizeof(openssl_private_rsa) || memcmp(buf, openssl_private_rsa, len)) { + fprintf(stderr, "RSA private export failed to match OpenSSL output, %lu, %lu\n", len, (unsigned long)sizeof(openssl_private_rsa)); + return 1; + } + + len = sizeof(buf); + DO(rsa_export(buf, &len, PK_PUBLIC, &key)); + if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) { + fprintf(stderr, "RSA(private) public export failed to match OpenSSL output\n"); + return 1; + } + rsa_free(&key); + + /* try reading the public key */ + DO(rsa_import(openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), &key)); + len = sizeof(buf); + DO(rsa_export(buf, &len, PK_PUBLIC, &key)); + if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) { + fprintf(stderr, "RSA(public) stripped public import failed to match OpenSSL output\n"); + return 1; + } + rsa_free(&key); + + /* try reading the public key */ + DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &key)); + len = sizeof(buf); + DO(rsa_export(buf, &len, PK_PUBLIC, &key)); + if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) { + fprintf(stderr, "RSA(public) SSL public import failed to match OpenSSL output\n"); + return 1; + } + rsa_free(&key); + + return 0; +} + +int rsa_test(void) +{ + unsigned char in[1024], out[1024], tmp[1024]; + rsa_key key, privKey, pubKey; + int hash_idx, prng_idx, stat, stat2; + unsigned long rsa_msgsize, len, len2, cnt; + static unsigned char lparam[] = { 0x01, 0x02, 0x03, 0x04 }; + + if (rsa_compat_test() != 0) { + return 1; + } + + hash_idx = find_hash("sha1"); + prng_idx = find_prng("yarrow"); + if (hash_idx == -1 || prng_idx == -1) { + fprintf(stderr, "rsa_test requires SHA1 and yarrow"); + return 1; + } + + /* make 10 random key */ + for (cnt = 0; cnt < 10; cnt++) { + DO(rsa_make_key(&yarrow_prng, prng_idx, 1024/8, 65537, &key)); + if (mp_count_bits(key.N) != 1024) { + fprintf(stderr, "rsa_1024 key modulus has %d bits\n", mp_count_bits(key.N)); + +len = mp_unsigned_bin_size(key.N); +mp_to_unsigned_bin(key.N, tmp); + fprintf(stderr, "N == \n"); +for (cnt = 0; cnt < len; ) { + fprintf(stderr, "%02x ", tmp[cnt]); + if (!(++cnt & 15)) fprintf(stderr, "\n"); +} + +len = mp_unsigned_bin_size(key.p); +mp_to_unsigned_bin(key.p, tmp); + fprintf(stderr, "p == \n"); +for (cnt = 0; cnt < len; ) { + fprintf(stderr, "%02x ", tmp[cnt]); + if (!(++cnt & 15)) fprintf(stderr, "\n"); +} + +len = mp_unsigned_bin_size(key.q); +mp_to_unsigned_bin(key.q, tmp); + fprintf(stderr, "\nq == \n"); +for (cnt = 0; cnt < len; ) { + fprintf(stderr, "%02x ", tmp[cnt]); + if (!(++cnt & 15)) fprintf(stderr, "\n"); +} + fprintf(stderr, "\n"); + + + return 1; + } + if (cnt != 9) { + rsa_free(&key); + } + } + + /* encrypt the key (without lparam) */ + for (cnt = 0; cnt < 4; cnt++) { + for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) { + /* make a random key/msg */ + yarrow_read(in, rsa_msgsize, &yarrow_prng); + + len = sizeof(out); + len2 = rsa_msgsize; + + DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, hash_idx, &key)); + /* change a byte */ + out[8] ^= 1; + DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat2, &key)); + /* change a byte back */ + out[8] ^= 1; + if (len2 != rsa_msgsize) { + fprintf(stderr, "\nrsa_decrypt_key mismatch len %lu (first decrypt)", len2); + return 1; + } + + len2 = rsa_msgsize; + DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat, &key)); + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "rsa_decrypt_key failed"); + return 1; + } + if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) { + unsigned long x; + fprintf(stderr, "\nrsa_decrypt_key mismatch, len %lu (second decrypt)\n", len2); + fprintf(stderr, "Original contents: \n"); + for (x = 0; x < rsa_msgsize; ) { + fprintf(stderr, "%02x ", in[x]); + if (!(++x % 16)) { + fprintf(stderr, "\n"); + } + } + fprintf(stderr, "\n"); + fprintf(stderr, "Output contents: \n"); + for (x = 0; x < rsa_msgsize; ) { + fprintf(stderr, "%02x ", out[x]); + if (!(++x % 16)) { + fprintf(stderr, "\n"); + } + } + fprintf(stderr, "\n"); + return 1; + } + } + } + + /* encrypt the key (with lparam) */ + for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) { + len = sizeof(out); + len2 = rsa_msgsize; + DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, lparam, sizeof(lparam), &yarrow_prng, prng_idx, hash_idx, &key)); + /* change a byte */ + out[8] ^= 1; + DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat2, &key)); + if (len2 != rsa_msgsize) { + fprintf(stderr, "\nrsa_decrypt_key mismatch len %lu (first decrypt)", len2); + return 1; + } + /* change a byte back */ + out[8] ^= 1; + + len2 = rsa_msgsize; + DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat, &key)); + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "rsa_decrypt_key failed"); + return 1; + } + if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) { + fprintf(stderr, "rsa_decrypt_key mismatch len %lu", len2); + return 1; + } + } + + /* encrypt the key PKCS #1 v1.5 (payload from 1 to 117 bytes) */ + for (rsa_msgsize = 1; rsa_msgsize <= 117; rsa_msgsize++) { + len = sizeof(out); + len2 = rsa_msgsize; + DO(rsa_encrypt_key_ex(in, rsa_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, 0, LTC_PKCS_1_V1_5, &key)); + + len2 = rsa_msgsize; + DO(rsa_decrypt_key_ex(out, len, tmp, &len2, NULL, 0, 0, LTC_PKCS_1_V1_5, &stat, &key)); + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "rsa_decrypt_key_ex failed, %d, %d", stat, stat2); + return 1; + } + if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) { + fprintf(stderr, "rsa_decrypt_key_ex mismatch len %lu", len2); + return 1; + } + } + + /* sign a message (unsalted, lower cholestorol and Atkins approved) now */ + len = sizeof(out); + DO(rsa_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 0, &key)); + +/* export key and import as both private and public */ + len2 = sizeof(tmp); + DO(rsa_export(tmp, &len2, PK_PRIVATE, &key)); + DO(rsa_import(tmp, len2, &privKey)); + len2 = sizeof(tmp); + DO(rsa_export(tmp, &len2, PK_PUBLIC, &key)); + DO(rsa_import(tmp, len2, &pubKey)); + + /* verify with original */ + DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &key)); + /* change a byte */ + in[0] ^= 1; + DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &key)); + + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "rsa_verify_hash (unsalted, origKey) failed, %d, %d", stat, stat2); + rsa_free(&key); + rsa_free(&pubKey); + rsa_free(&privKey); + return 1; + } + + /* verify with privKey */ + /* change a byte */ + in[0] ^= 1; + DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &privKey)); + /* change a byte */ + in[0] ^= 1; + DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &privKey)); + + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "rsa_verify_hash (unsalted, privKey) failed, %d, %d", stat, stat2); + rsa_free(&key); + rsa_free(&pubKey); + rsa_free(&privKey); + return 1; + } + + /* verify with pubKey */ + /* change a byte */ + in[0] ^= 1; + DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &pubKey)); + /* change a byte */ + in[0] ^= 1; + DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &pubKey)); + + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "rsa_verify_hash (unsalted, pubkey) failed, %d, %d", stat, stat2); + rsa_free(&key); + rsa_free(&pubKey); + rsa_free(&privKey); + return 1; + } + + /* sign a message (salted) now (use privKey to make, pubKey to verify) */ + len = sizeof(out); + DO(rsa_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 8, &privKey)); + DO(rsa_verify_hash(out, len, in, 20, hash_idx, 8, &stat, &pubKey)); + /* change a byte */ + in[0] ^= 1; + DO(rsa_verify_hash(out, len, in, 20, hash_idx, 8, &stat2, &pubKey)); + + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "rsa_verify_hash (salted) failed, %d, %d", stat, stat2); + rsa_free(&key); + rsa_free(&pubKey); + rsa_free(&privKey); + return 1; + } + + /* sign a message with PKCS #1 v1.5 */ + len = sizeof(out); + DO(rsa_sign_hash_ex(in, 20, out, &len, LTC_PKCS_1_V1_5, &yarrow_prng, prng_idx, hash_idx, 8, &privKey)); + DO(rsa_verify_hash_ex(out, len, in, 20, LTC_PKCS_1_V1_5, hash_idx, 8, &stat, &pubKey)); + /* change a byte */ + in[0] ^= 1; + DO(rsa_verify_hash_ex(out, len, in, 20, LTC_PKCS_1_V1_5, hash_idx, 8, &stat2, &pubKey)); + + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "rsa_verify_hash_ex failed, %d, %d", stat, stat2); + rsa_free(&key); + rsa_free(&pubKey); + rsa_free(&privKey); + return 1; + } + + /* free the key and return */ + rsa_free(&key); + rsa_free(&pubKey); + rsa_free(&privKey); + return 0; +} + +#else + +int rsa_test(void) +{ + fprintf(stderr, "NOP"); + return 0; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/testprof/rsa_test.c,v $ */ +/* $Revision: 1.18 $ */ +/* $Date: 2006/11/21 00:10:18 $ */