diff options
-rw-r--r-- | lib/libssl/src/crypto/aes/aes.h | 4 | ||||
-rw-r--r-- | lib/libssl/src/crypto/aes/aes_ige.c | 112 | ||||
-rw-r--r-- | regress/lib/libcrypto/ige/igetest.c | 134 |
3 files changed, 0 insertions, 250 deletions
diff --git a/lib/libssl/src/crypto/aes/aes.h b/lib/libssl/src/crypto/aes/aes.h index d05f803494b..0b3db6420ba 100644 --- a/lib/libssl/src/crypto/aes/aes.h +++ b/lib/libssl/src/crypto/aes/aes.h @@ -117,10 +117,6 @@ void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out, /* NB: the IV is _two_ blocks long */ void AES_ige_encrypt(const unsigned char *in, unsigned char *out, size_t length, const AES_KEY *key, unsigned char *ivec, const int enc); -/* NB: the IV is _four_ blocks long */ -void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, - size_t length, const AES_KEY *key, const AES_KEY *key2, - const unsigned char *ivec, const int enc); int AES_wrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out, const unsigned char *in, unsigned int inlen); diff --git a/lib/libssl/src/crypto/aes/aes_ige.c b/lib/libssl/src/crypto/aes/aes_ige.c index 0882a3d853a..883dff7d295 100644 --- a/lib/libssl/src/crypto/aes/aes_ige.c +++ b/lib/libssl/src/crypto/aes/aes_ige.c @@ -194,115 +194,3 @@ AES_ige_encrypt(const unsigned char *in, unsigned char *out, size_t length, } } } - -/* - * Note that its effectively impossible to do biIGE in anything other - * than a single pass, so no provision is made for chaining. - */ - -/* N.B. The IV for this mode is _four times_ the block size */ - -void -AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, size_t length, - const AES_KEY *key, const AES_KEY *key2, const unsigned char *ivec, - const int enc) -{ - size_t n; - size_t len = length; - unsigned char tmp[AES_BLOCK_SIZE]; - unsigned char tmp2[AES_BLOCK_SIZE]; - unsigned char tmp3[AES_BLOCK_SIZE]; - unsigned char prev[AES_BLOCK_SIZE]; - const unsigned char *iv; - const unsigned char *iv2; - - OPENSSL_assert(in && out && key && ivec); - OPENSSL_assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc)); - OPENSSL_assert((length % AES_BLOCK_SIZE) == 0); - - if (AES_ENCRYPT == enc) { - /* XXX: Do a separate case for when in != out (strictly should - check for overlap, too) */ - - /* First the forward pass */ - iv = ivec; - iv2 = ivec + AES_BLOCK_SIZE; - while (len >= AES_BLOCK_SIZE) { - for (n = 0; n < AES_BLOCK_SIZE; ++n) - out[n] = in[n] ^ iv[n]; - AES_encrypt(out, out, key); - for (n = 0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= iv2[n]; - iv = out; - memcpy(prev, in, AES_BLOCK_SIZE); - iv2 = prev; - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - - /* And now backwards */ - iv = ivec + AES_BLOCK_SIZE*2; - iv2 = ivec + AES_BLOCK_SIZE*3; - len = length; - while (len >= AES_BLOCK_SIZE) { - out -= AES_BLOCK_SIZE; - /* XXX: reduce copies by alternating between buffers */ - memcpy(tmp, out, AES_BLOCK_SIZE); - for (n = 0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= iv[n]; - /* hexdump(stdout, "out ^ iv", out, AES_BLOCK_SIZE); */ - AES_encrypt(out, out, key); - /* hexdump(stdout,"enc", out, AES_BLOCK_SIZE); */ - /* hexdump(stdout,"iv2", iv2, AES_BLOCK_SIZE); */ - for (n = 0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= iv2[n]; - /* hexdump(stdout,"out", out, AES_BLOCK_SIZE); */ - iv = out; - memcpy(prev, tmp, AES_BLOCK_SIZE); - iv2 = prev; - len -= AES_BLOCK_SIZE; - } - } else { - /* First backwards */ - iv = ivec + AES_BLOCK_SIZE*2; - iv2 = ivec + AES_BLOCK_SIZE*3; - in += length; - out += length; - while (len >= AES_BLOCK_SIZE) { - in -= AES_BLOCK_SIZE; - out -= AES_BLOCK_SIZE; - memcpy(tmp, in, AES_BLOCK_SIZE); - memcpy(tmp2, in, AES_BLOCK_SIZE); - for (n = 0; n < AES_BLOCK_SIZE; ++n) - tmp[n] ^= iv2[n]; - AES_decrypt(tmp, out, key); - for (n = 0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= iv[n]; - memcpy(tmp3, tmp2, AES_BLOCK_SIZE); - iv = tmp3; - iv2 = out; - len -= AES_BLOCK_SIZE; - } - - /* And now forwards */ - iv = ivec; - iv2 = ivec + AES_BLOCK_SIZE; - len = length; - while (len >= AES_BLOCK_SIZE) { - memcpy(tmp, out, AES_BLOCK_SIZE); - memcpy(tmp2, out, AES_BLOCK_SIZE); - for (n = 0; n < AES_BLOCK_SIZE; ++n) - tmp[n] ^= iv2[n]; - AES_decrypt(tmp, out, key); - for (n = 0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= iv[n]; - memcpy(tmp3, tmp2, AES_BLOCK_SIZE); - iv = tmp3; - iv2 = out; - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - } -} diff --git a/regress/lib/libcrypto/ige/igetest.c b/regress/lib/libcrypto/ige/igetest.c index 1ba900244de..b3e7280bbd0 100644 --- a/regress/lib/libcrypto/ige/igetest.c +++ b/regress/lib/libcrypto/ige/igetest.c @@ -118,76 +118,6 @@ static struct ige_test const ige_test_vectors[] = { 32, AES_DECRYPT }, /* test vector 1 */ }; -struct bi_ige_test - { - const unsigned char key1[32]; - const unsigned char key2[32]; - const unsigned char iv[64]; - const unsigned char in[MAX_VECTOR_SIZE]; - const unsigned char out[MAX_VECTOR_SIZE]; - const size_t keysize; - const size_t length; - const int encrypt; - }; - -static struct bi_ige_test const bi_ige_test_vectors[] = { -{ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, /* key1 */ - { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f }, /* key2 */ - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, - 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, - 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, - 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, - 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f }, /* iv */ - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* in */ - { 0x14, 0x40, 0x6f, 0xae, 0xa2, 0x79, 0xf2, 0x56, - 0x1f, 0x86, 0xeb, 0x3b, 0x7d, 0xff, 0x53, 0xdc, - 0x4e, 0x27, 0x0c, 0x03, 0xde, 0x7c, 0xe5, 0x16, - 0x6a, 0x9c, 0x20, 0x33, 0x9d, 0x33, 0xfe, 0x12 }, /* out */ - 16, 32, AES_ENCRYPT }, /* test vector 0 */ -{ { 0x58, 0x0a, 0x06, 0xe9, 0x97, 0x07, 0x59, 0x5c, - 0x9e, 0x19, 0xd2, 0xa7, 0xbb, 0x40, 0x2b, 0x7a, - 0xc7, 0xd8, 0x11, 0x9e, 0x4c, 0x51, 0x35, 0x75, - 0x64, 0x28, 0x0f, 0x23, 0xad, 0x74, 0xac, 0x37 }, /* key1 */ - { 0xd1, 0x80, 0xa0, 0x31, 0x47, 0xa3, 0x11, 0x13, - 0x86, 0x26, 0x9e, 0x6d, 0xff, 0xaf, 0x72, 0x74, - 0x5b, 0xa2, 0x35, 0x81, 0xd2, 0xa6, 0x3d, 0x21, - 0x67, 0x7b, 0x58, 0xa8, 0x18, 0xf9, 0x72, 0xe4 }, /* key2 */ - { 0x80, 0x3d, 0xbd, 0x4c, 0xe6, 0x7b, 0x06, 0xa9, - 0x53, 0x35, 0xd5, 0x7e, 0x71, 0xc1, 0x70, 0x70, - 0x74, 0x9a, 0x00, 0x28, 0x0c, 0xbf, 0x6c, 0x42, - 0x9b, 0xa4, 0xdd, 0x65, 0x11, 0x77, 0x7c, 0x67, - 0xfe, 0x76, 0x0a, 0xf0, 0xd5, 0xc6, 0x6e, 0x6a, - 0xe7, 0x5e, 0x4c, 0xf2, 0x7e, 0x9e, 0xf9, 0x20, - 0x0e, 0x54, 0x6f, 0x2d, 0x8a, 0x8d, 0x7e, 0xbd, - 0x48, 0x79, 0x37, 0x99, 0xff, 0x27, 0x93, 0xa3 }, /* iv */ - { 0xf1, 0x54, 0x3d, 0xca, 0xfe, 0xb5, 0xef, 0x1c, - 0x4f, 0xa6, 0x43, 0xf6, 0xe6, 0x48, 0x57, 0xf0, - 0xee, 0x15, 0x7f, 0xe3, 0xe7, 0x2f, 0xd0, 0x2f, - 0x11, 0x95, 0x7a, 0x17, 0x00, 0xab, 0xa7, 0x0b, - 0xbe, 0x44, 0x09, 0x9c, 0xcd, 0xac, 0xa8, 0x52, - 0xa1, 0x8e, 0x7b, 0x75, 0xbc, 0xa4, 0x92, 0x5a, - 0xab, 0x46, 0xd3, 0x3a, 0xa0, 0xd5, 0x35, 0x1c, - 0x55, 0xa4, 0xb3, 0xa8, 0x40, 0x81, 0xa5, 0x0b}, /* in */ - { 0x42, 0xe5, 0x28, 0x30, 0x31, 0xc2, 0xa0, 0x23, - 0x68, 0x49, 0x4e, 0xb3, 0x24, 0x59, 0x92, 0x79, - 0xc1, 0xa5, 0xcc, 0xe6, 0x76, 0x53, 0xb1, 0xcf, - 0x20, 0x86, 0x23, 0xe8, 0x72, 0x55, 0x99, 0x92, - 0x0d, 0x16, 0x1c, 0x5a, 0x2f, 0xce, 0xcb, 0x51, - 0xe2, 0x67, 0xfa, 0x10, 0xec, 0xcd, 0x3d, 0x67, - 0xa5, 0xe6, 0xf7, 0x31, 0x26, 0xb0, 0x0d, 0x76, - 0x5e, 0x28, 0xdc, 0x7f, 0x01, 0xc5, 0xa5, 0x4c}, /* out */ - 32, 64, AES_ENCRYPT }, /* test vector 1 */ - -}; - static int run_test_vectors(void) { unsigned int n; @@ -239,44 +169,6 @@ static int run_test_vectors(void) } } - for(n=0 ; n < sizeof(bi_ige_test_vectors)/sizeof(bi_ige_test_vectors[0]) - ; ++n) - { - const struct bi_ige_test * const v = &bi_ige_test_vectors[n]; - AES_KEY key1; - AES_KEY key2; - unsigned char buf[MAX_VECTOR_SIZE]; - - assert(v->length <= MAX_VECTOR_SIZE); - - if(v->encrypt == AES_ENCRYPT) - { - AES_set_encrypt_key(v->key1, 8*v->keysize, &key1); - AES_set_encrypt_key(v->key2, 8*v->keysize, &key2); - } - else - { - AES_set_decrypt_key(v->key1, 8*v->keysize, &key1); - AES_set_decrypt_key(v->key2, 8*v->keysize, &key2); - } - - AES_bi_ige_encrypt(v->in, buf, v->length, &key1, &key2, v->iv, - v->encrypt); - - if(memcmp(v->out, buf, v->length)) - { - printf("Bidirectional IGE test vector %d failed\n", n); - hexdump(stdout, "key 1", v->key1, sizeof v->key1); - hexdump(stdout, "key 2", v->key2, sizeof v->key2); - hexdump(stdout, "iv", v->iv, sizeof v->iv); - hexdump(stdout, "in", v->in, v->length); - hexdump(stdout, "expected", v->out, v->length); - hexdump(stdout, "got", buf, v->length); - - ++errs; - } - } - return errs; } @@ -399,32 +291,6 @@ int main(int argc, char **argv) ++err; } - /* Bi-directional IGE */ - - /* Note that we don't have to recover the IV, because chaining isn't */ - /* possible with biIGE, so the IV is not updated. */ - - RAND_pseudo_bytes(rkey2, sizeof rkey2); - - /* Straight encrypt/decrypt */ - AES_set_encrypt_key(rkey, 8*sizeof rkey, &key); - AES_set_encrypt_key(rkey2, 8*sizeof rkey2, &key2); - AES_bi_ige_encrypt(plaintext, ciphertext, TEST_SIZE, &key, &key2, iv, - AES_ENCRYPT); - - AES_set_decrypt_key(rkey, 8*sizeof rkey, &key); - AES_set_decrypt_key(rkey2, 8*sizeof rkey2, &key2); - AES_bi_ige_encrypt(ciphertext, checktext, TEST_SIZE, &key, &key2, iv, - AES_DECRYPT); - - if(memcmp(checktext, plaintext, TEST_SIZE)) - { - printf("Encrypt+decrypt doesn't match\n"); - hexdump(stdout, "Plaintext", plaintext, TEST_SIZE); - hexdump(stdout, "Checktext", checktext, TEST_SIZE); - ++err; - } - /* make sure garble extends both ways */ AES_set_encrypt_key(rkey, 8*sizeof rkey, &key); AES_set_encrypt_key(rkey2, 8*sizeof rkey2, &key2); |