diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pk.cpp | 58 |
1 files changed, 43 insertions, 15 deletions
@@ -22,15 +22,15 @@ #include "olm/pickle_encoding.h" #include "olm/pickle.hh" -extern "C" { - static const std::size_t MAC_LENGTH = 8; - const struct _olm_cipher_aes_sha_256 olm_pk_cipher_aes_sha256 = +const struct _olm_cipher_aes_sha_256 olm_pk_cipher_aes_sha256 = OLM_CIPHER_INIT_AES_SHA_256(""); const struct _olm_cipher *olm_pk_cipher = OLM_CIPHER_BASE(&olm_pk_cipher_aes_sha256); +extern "C" { + struct OlmPkEncryption { OlmErrorCode last_error; _olm_curve25519_public_key recipient_key; @@ -73,7 +73,11 @@ size_t olm_pk_encryption_set_recipient_key ( OlmErrorCode::OLM_OUTPUT_BUFFER_TOO_SMALL; // FIXME: return std::size_t(-1); } - olm::decode_base64((const uint8_t*)key, olm_pk_key_length(), (uint8_t *)encryption->recipient_key.public_key); + olm::decode_base64( + (const uint8_t*)key, + olm_pk_key_length(), + (uint8_t *)encryption->recipient_key.public_key + ); return 0; } @@ -81,7 +85,9 @@ size_t olm_pk_ciphertext_length( OlmPkEncryption *encryption, size_t plaintext_length ) { - return olm::encode_base64_length(_olm_cipher_aes_sha_256_ops.encrypt_ciphertext_length(olm_pk_cipher, plaintext_length)); + return olm::encode_base64_length( + _olm_cipher_aes_sha_256_ops.encrypt_ciphertext_length(olm_pk_cipher, plaintext_length) + ); } size_t olm_pk_mac_length( @@ -106,9 +112,9 @@ size_t olm_pk_encrypt( ) { if (ciphertext_length < olm_pk_ciphertext_length(encryption, plaintext_length) - || mac_length + || mac_length < _olm_cipher_aes_sha_256_ops.mac_length(olm_pk_cipher) - || ephemeral_key_size + || ephemeral_key_size < olm_pk_key_length()) { encryption->last_error = OlmErrorCode::OLM_OUTPUT_BUFFER_TOO_SMALL; @@ -122,11 +128,16 @@ size_t olm_pk_encrypt( _olm_curve25519_key_pair ephemeral_keypair; _olm_crypto_curve25519_generate_key((uint8_t *) random, &ephemeral_keypair); - olm::encode_base64((const uint8_t *)ephemeral_keypair.public_key.public_key, CURVE25519_KEY_LENGTH, (uint8_t *)ephemeral_key); + olm::encode_base64( + (const uint8_t *)ephemeral_keypair.public_key.public_key, + CURVE25519_KEY_LENGTH, + (uint8_t *)ephemeral_key + ); olm::SharedKey secret; _olm_crypto_curve25519_shared_secret(&ephemeral_keypair, &encryption->recipient_key, secret); - size_t raw_ciphertext_length = _olm_cipher_aes_sha_256_ops.encrypt_ciphertext_length(olm_pk_cipher, plaintext_length); + size_t raw_ciphertext_length = + _olm_cipher_aes_sha_256_ops.encrypt_ciphertext_length(olm_pk_cipher, plaintext_length); uint8_t *ciphertext_pos = (uint8_t *) ciphertext + ciphertext_length - raw_ciphertext_length; uint8_t raw_mac[MAC_LENGTH]; size_t result = _olm_cipher_aes_sha_256_ops.encrypt( @@ -201,7 +212,11 @@ size_t olm_pk_key_from_private( } _olm_crypto_curve25519_generate_key((uint8_t *) privkey, &decryption->key_pair); - olm::encode_base64((const uint8_t *)decryption->key_pair.public_key.public_key, CURVE25519_KEY_LENGTH, (uint8_t *)pubkey); + olm::encode_base64( + (const uint8_t *)decryption->key_pair.public_key.public_key, + CURVE25519_KEY_LENGTH, + (uint8_t *)pubkey + ); return 0; } @@ -267,7 +282,10 @@ size_t olm_pickle_pk_decryption( return std::size_t(-1); } pickle(_olm_enc_output_pos(reinterpret_cast<std::uint8_t *>(pickled), raw_length), object); - return _olm_enc_output(reinterpret_cast<std::uint8_t const *>(key), key_length, reinterpret_cast<std::uint8_t *>(pickled), raw_length); + return _olm_enc_output( + reinterpret_cast<std::uint8_t const *>(key), key_length, + reinterpret_cast<std::uint8_t *>(pickled), raw_length + ); } size_t olm_unpickle_pk_decryption( @@ -283,7 +301,8 @@ size_t olm_unpickle_pk_decryption( } std::uint8_t * const pos = reinterpret_cast<std::uint8_t *>(pickled); std::size_t raw_length = _olm_enc_input( - reinterpret_cast<std::uint8_t const *>(key), key_length, pos, pickled_length, &object.last_error + reinterpret_cast<std::uint8_t const *>(key), key_length, + pos, pickled_length, &object.last_error ); if (raw_length == std::size_t(-1)) { return std::size_t(-1); @@ -300,7 +319,11 @@ size_t olm_unpickle_pk_decryption( return std::size_t(-1); } if (pubkey != NULL) { - olm::encode_base64((const uint8_t *)object.key_pair.public_key.public_key, CURVE25519_KEY_LENGTH, (uint8_t *)pubkey); + olm::encode_base64( + (const uint8_t *)object.key_pair.public_key.public_key, + CURVE25519_KEY_LENGTH, + (uint8_t *)pubkey + ); } return pickled_length; } @@ -309,7 +332,9 @@ size_t olm_pk_max_plaintext_length( OlmPkDecryption * decryption, size_t ciphertext_length ) { - return _olm_cipher_aes_sha_256_ops.decrypt_max_plaintext_length(olm_pk_cipher, olm::decode_base64_length(ciphertext_length)); + return _olm_cipher_aes_sha_256_ops.decrypt_max_plaintext_length( + olm_pk_cipher, olm::decode_base64_length(ciphertext_length) + ); } size_t olm_pk_decrypt( @@ -327,7 +352,10 @@ size_t olm_pk_decrypt( } struct _olm_curve25519_public_key ephemeral; - olm::decode_base64((const uint8_t*)ephemeral_key, ephemeral_key_length, (uint8_t *)ephemeral.public_key); + olm::decode_base64( + (const uint8_t*)ephemeral_key, ephemeral_key_length, + (uint8_t *)ephemeral.public_key + ); olm::SharedKey secret; _olm_crypto_curve25519_shared_secret(&decryption->key_pair, &ephemeral, secret); uint8_t raw_mac[MAC_LENGTH]; |