diff options
author | Richard van der Hoff <richard@matrix.org> | 2016-09-02 15:35:04 +0100 |
---|---|---|
committer | Richard van der Hoff <richard@matrix.org> | 2016-09-05 10:40:39 +0100 |
commit | 69f269ffaf88515f6d5c0b34178bf0096cf5773b (patch) | |
tree | 140b55571972ddf76c28515ec767ac01a5e21712 /src/crypto.cpp | |
parent | f0acf6582f88ca66b3fabf7d622278da51a94c10 (diff) |
Convert AES functions to plain C
Diffstat (limited to 'src/crypto.cpp')
-rw-r--r-- | src/crypto.cpp | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/src/crypto.cpp b/src/crypto.cpp index 89d9d72..5095c79 100644 --- a/src/crypto.cpp +++ b/src/crypto.cpp @@ -12,7 +12,7 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -#include "olm/crypto.hh" +#include "olm/crypto.h" #include "olm/memory.hh" #include <cstring> @@ -163,23 +163,23 @@ int _olm_crypto_ed25519_verify( } -std::size_t olm::aes_encrypt_cbc_length( +std::size_t _olm_crypto_aes_encrypt_cbc_length( std::size_t input_length ) { return input_length + AES_BLOCK_LENGTH - input_length % AES_BLOCK_LENGTH; } -void olm::aes_encrypt_cbc( - olm::Aes256Key const & key, - olm::Aes256Iv const & iv, +void _olm_crypto_aes_encrypt_cbc( + _olm_aes256_key const *key, + _olm_aes256_iv const *iv, std::uint8_t const * input, std::size_t input_length, std::uint8_t * output ) { std::uint32_t key_schedule[AES_KEY_SCHEDULE_LENGTH]; - ::aes_key_setup(key.key, key_schedule, AES_KEY_BITS); + ::aes_key_setup(key->key, key_schedule, AES_KEY_BITS); std::uint8_t input_block[AES_BLOCK_LENGTH]; - std::memcpy(input_block, iv.iv, AES_BLOCK_LENGTH); + std::memcpy(input_block, iv->iv, AES_BLOCK_LENGTH); while (input_length >= AES_BLOCK_LENGTH) { xor_block<AES_BLOCK_LENGTH>(input_block, input); ::aes_encrypt(input_block, output, key_schedule, AES_KEY_BITS); @@ -201,17 +201,17 @@ void olm::aes_encrypt_cbc( } -std::size_t olm::aes_decrypt_cbc( - olm::Aes256Key const & key, - olm::Aes256Iv const & iv, +std::size_t _olm_crypto_aes_decrypt_cbc( + _olm_aes256_key const *key, + _olm_aes256_iv const *iv, std::uint8_t const * input, std::size_t input_length, std::uint8_t * output ) { std::uint32_t key_schedule[AES_KEY_SCHEDULE_LENGTH]; - ::aes_key_setup(key.key, key_schedule, AES_KEY_BITS); + ::aes_key_setup(key->key, key_schedule, AES_KEY_BITS); std::uint8_t block1[AES_BLOCK_LENGTH]; std::uint8_t block2[AES_BLOCK_LENGTH]; - std::memcpy(block1, iv.iv, AES_BLOCK_LENGTH); + std::memcpy(block1, iv->iv, AES_BLOCK_LENGTH); for (std::size_t i = 0; i < input_length; i += AES_BLOCK_LENGTH) { std::memcpy(block2, &input[i], AES_BLOCK_LENGTH); ::aes_decrypt(&input[i], &output[i], key_schedule, AES_KEY_BITS); |