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Diffstat (limited to 'libtomcrypt/tests/katja_test.c')
-rw-r--r-- | libtomcrypt/tests/katja_test.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/libtomcrypt/tests/katja_test.c b/libtomcrypt/tests/katja_test.c new file mode 100644 index 0000000..ef9b27f --- /dev/null +++ b/libtomcrypt/tests/katja_test.c @@ -0,0 +1,242 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + */ +#include <tomcrypt_test.h> + +#if defined(LTC_MKAT) && defined(LTC_TEST_MPI) + +int katja_test(void) +{ + unsigned char in[1024], out[1024], tmp[1024]; + katja_key key, privKey, pubKey; + int hash_idx, prng_idx, stat, stat2, size; + unsigned long kat_msgsize, len, len2, cnt; + static unsigned char lparam[] = { 0x01, 0x02, 0x03, 0x04 }; + + hash_idx = find_hash("sha1"); + prng_idx = find_prng("yarrow"); + if (hash_idx == -1 || prng_idx == -1) { + fprintf(stderr, "katja_test requires LTC_SHA1 and yarrow"); + return 1; + } + +for (size = 1024; size <= 2048; size += 256) { + + /* make 10 random key */ + for (cnt = 0; cnt < 10; cnt++) { + DO(katja_make_key(&yarrow_prng, prng_idx, size/8, &key)); + if (mp_count_bits(key.N) < size - 7) { + fprintf(stderr, "katja_%d key modulus has %d bits\n", size, 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) { + katja_free(&key); + } + } + /* encrypt the key (without lparam) */ + for (cnt = 0; cnt < 4; cnt++) { + for (kat_msgsize = 1; kat_msgsize <= 42; kat_msgsize++) { + /* make a random key/msg */ + yarrow_read(in, kat_msgsize, &yarrow_prng); + + len = sizeof(out); + len2 = kat_msgsize; + + DO(katja_encrypt_key(in, kat_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, hash_idx, &key)); + /* change a byte */ + out[8] ^= 1; + DO(katja_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat2, &key)); + /* change a byte back */ + out[8] ^= 1; + if (len2 != kat_msgsize) { + fprintf(stderr, "\nkatja_decrypt_key mismatch len %lu (first decrypt)", len2); + return 1; + } + + len2 = kat_msgsize; + DO(katja_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat, &key)); + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "katja_decrypt_key failed"); + return 1; + } + if (len2 != kat_msgsize || memcmp(tmp, in, kat_msgsize)) { + unsigned long x; + fprintf(stderr, "\nkatja_decrypt_key mismatch, len %lu (second decrypt)\n", len2); + fprintf(stderr, "Original contents: \n"); + for (x = 0; x < kat_msgsize; ) { + fprintf(stderr, "%02x ", in[x]); + if (!(++x % 16)) { + fprintf(stderr, "\n"); + } + } + fprintf(stderr, "\n"); + fprintf(stderr, "Output contents: \n"); + for (x = 0; x < kat_msgsize; ) { + fprintf(stderr, "%02x ", out[x]); + if (!(++x % 16)) { + fprintf(stderr, "\n"); + } + } + fprintf(stderr, "\n"); + return 1; + } + } + } + + /* encrypt the key (with lparam) */ + for (kat_msgsize = 1; kat_msgsize <= 42; kat_msgsize++) { + len = sizeof(out); + len2 = kat_msgsize; + DO(katja_encrypt_key(in, kat_msgsize, out, &len, lparam, sizeof(lparam), &yarrow_prng, prng_idx, hash_idx, &key)); + /* change a byte */ + out[8] ^= 1; + DO(katja_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat2, &key)); + if (len2 != kat_msgsize) { + fprintf(stderr, "\nkatja_decrypt_key mismatch len %lu (first decrypt)", len2); + return 1; + } + /* change a byte back */ + out[8] ^= 1; + + len2 = kat_msgsize; + DO(katja_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat, &key)); + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "katja_decrypt_key failed"); + return 1; + } + if (len2 != kat_msgsize || memcmp(tmp, in, kat_msgsize)) { + fprintf(stderr, "katja_decrypt_key mismatch len %lu", len2); + return 1; + } + } + +#if 0 + + /* sign a message (unsalted, lower cholestorol and Atkins approved) now */ + len = sizeof(out); + DO(katja_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(katja_export(tmp, &len2, PK_PRIVATE, &key)); + DO(katja_import(tmp, len2, &privKey)); + len2 = sizeof(tmp); + DO(katja_export(tmp, &len2, PK_PUBLIC, &key)); + DO(katja_import(tmp, len2, &pubKey)); + + /* verify with original */ + DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &key)); + /* change a byte */ + in[0] ^= 1; + DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &key)); + + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "katja_verify_hash (unsalted, origKey) failed, %d, %d", stat, stat2); + katja_free(&key); + katja_free(&pubKey); + katja_free(&privKey); + return 1; + } + + /* verify with privKey */ + /* change a byte */ + in[0] ^= 1; + DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &privKey)); + /* change a byte */ + in[0] ^= 1; + DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &privKey)); + + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "katja_verify_hash (unsalted, privKey) failed, %d, %d", stat, stat2); + katja_free(&key); + katja_free(&pubKey); + katja_free(&privKey); + return 1; + } + + /* verify with pubKey */ + /* change a byte */ + in[0] ^= 1; + DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &pubKey)); + /* change a byte */ + in[0] ^= 1; + DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &pubKey)); + + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "katja_verify_hash (unsalted, pubkey) failed, %d, %d", stat, stat2); + katja_free(&key); + katja_free(&pubKey); + katja_free(&privKey); + return 1; + } + + /* sign a message (salted) now (use privKey to make, pubKey to verify) */ + len = sizeof(out); + DO(katja_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 8, &privKey)); + DO(katja_verify_hash(out, len, in, 20, hash_idx, 8, &stat, &pubKey)); + /* change a byte */ + in[0] ^= 1; + DO(katja_verify_hash(out, len, in, 20, hash_idx, 8, &stat2, &pubKey)); + + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "katja_verify_hash (salted) failed, %d, %d", stat, stat2); + katja_free(&key); + katja_free(&pubKey); + katja_free(&privKey); + return 1; + } +#endif + + katja_free(&key); + katja_free(&pubKey); + katja_free(&privKey); +} + + /* free the key and return */ + return 0; +} + +#else + +int katja_test(void) +{ + return CRYPT_NOP; +} + +#endif + +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ |