diff options
Diffstat (limited to 'src/lib/prov/openssl/openssl_block.cpp')
| -rw-r--r-- | src/lib/prov/openssl/openssl_block.cpp | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/src/lib/prov/openssl/openssl_block.cpp b/src/lib/prov/openssl/openssl_block.cpp index a35919e3a..b7d9ba7c8 100644 --- a/src/lib/prov/openssl/openssl_block.cpp +++ b/src/lib/prov/openssl/openssl_block.cpp @@ -18,84 +18,84 @@ class OpenSSL_BlockCipher : public BlockCipher { public: void clear(); - std::string name() const { return cipher_name; } + std::string name() const { return m_cipher_name; } BlockCipher* clone() const; - size_t block_size() const { return block_sz; } + size_t block_size() const { return m_block_sz; } OpenSSL_BlockCipher(const EVP_CIPHER*, const std::string&); OpenSSL_BlockCipher(const EVP_CIPHER*, const std::string&, size_t, size_t, size_t); - Key_Length_Specification key_spec() const { return cipher_key_spec; } + Key_Length_Specification key_spec() const { return m_cipher_key_spec; } ~OpenSSL_BlockCipher(); private: void encrypt_n(const byte in[], byte out[], size_t blocks) const { int out_len = 0; - EVP_EncryptUpdate(&encrypt, out, &out_len, in, blocks * block_sz); + EVP_EncryptUpdate(&m_encrypt, out, &out_len, in, blocks * m_block_sz); } void decrypt_n(const byte in[], byte out[], size_t blocks) const { int out_len = 0; - EVP_DecryptUpdate(&decrypt, out, &out_len, in, blocks * block_sz); + EVP_DecryptUpdate(&m_decrypt, out, &out_len, in, blocks * m_block_sz); } void key_schedule(const byte[], size_t); - size_t block_sz; - Key_Length_Specification cipher_key_spec; - std::string cipher_name; - mutable EVP_CIPHER_CTX encrypt, decrypt; + size_t m_block_sz; + Key_Length_Specification m_cipher_key_spec; + std::string m_cipher_name; + mutable EVP_CIPHER_CTX m_encrypt, m_decrypt; }; OpenSSL_BlockCipher::OpenSSL_BlockCipher(const EVP_CIPHER* algo, const std::string& algo_name) : - block_sz(EVP_CIPHER_block_size(algo)), - cipher_key_spec(EVP_CIPHER_key_length(algo)), - cipher_name(algo_name) + m_block_sz(EVP_CIPHER_block_size(algo)), + m_cipher_key_spec(EVP_CIPHER_key_length(algo)), + m_cipher_name(algo_name) { if(EVP_CIPHER_mode(algo) != EVP_CIPH_ECB_MODE) throw Invalid_Argument("OpenSSL_BlockCipher: Non-ECB EVP was passed in"); - EVP_CIPHER_CTX_init(&encrypt); - EVP_CIPHER_CTX_init(&decrypt); + EVP_CIPHER_CTX_init(&m_encrypt); + EVP_CIPHER_CTX_init(&m_decrypt); - EVP_EncryptInit_ex(&encrypt, algo, nullptr, nullptr, nullptr); - EVP_DecryptInit_ex(&decrypt, algo, nullptr, nullptr, nullptr); + EVP_EncryptInit_ex(&m_encrypt, algo, nullptr, nullptr, nullptr); + EVP_DecryptInit_ex(&m_decrypt, algo, nullptr, nullptr, nullptr); - EVP_CIPHER_CTX_set_padding(&encrypt, 0); - EVP_CIPHER_CTX_set_padding(&decrypt, 0); + EVP_CIPHER_CTX_set_padding(&m_encrypt, 0); + EVP_CIPHER_CTX_set_padding(&m_decrypt, 0); } OpenSSL_BlockCipher::OpenSSL_BlockCipher(const EVP_CIPHER* algo, const std::string& algo_name, size_t key_min, size_t key_max, size_t key_mod) : - block_sz(EVP_CIPHER_block_size(algo)), - cipher_key_spec(key_min, key_max, key_mod), - cipher_name(algo_name) + m_block_sz(EVP_CIPHER_block_size(algo)), + m_cipher_key_spec(key_min, key_max, key_mod), + m_cipher_name(algo_name) { if(EVP_CIPHER_mode(algo) != EVP_CIPH_ECB_MODE) throw Invalid_Argument("OpenSSL_BlockCipher: Non-ECB EVP was passed in"); - EVP_CIPHER_CTX_init(&encrypt); - EVP_CIPHER_CTX_init(&decrypt); + EVP_CIPHER_CTX_init(&m_encrypt); + EVP_CIPHER_CTX_init(&m_decrypt); - EVP_EncryptInit_ex(&encrypt, algo, nullptr, nullptr, nullptr); - EVP_DecryptInit_ex(&decrypt, algo, nullptr, nullptr, nullptr); + EVP_EncryptInit_ex(&m_encrypt, algo, nullptr, nullptr, nullptr); + EVP_DecryptInit_ex(&m_decrypt, algo, nullptr, nullptr, nullptr); - EVP_CIPHER_CTX_set_padding(&encrypt, 0); - EVP_CIPHER_CTX_set_padding(&decrypt, 0); + EVP_CIPHER_CTX_set_padding(&m_encrypt, 0); + EVP_CIPHER_CTX_set_padding(&m_decrypt, 0); } OpenSSL_BlockCipher::~OpenSSL_BlockCipher() { - EVP_CIPHER_CTX_cleanup(&encrypt); - EVP_CIPHER_CTX_cleanup(&decrypt); + EVP_CIPHER_CTX_cleanup(&m_encrypt); + EVP_CIPHER_CTX_cleanup(&m_decrypt); } /* @@ -105,18 +105,18 @@ void OpenSSL_BlockCipher::key_schedule(const byte key[], size_t length) { secure_vector<byte> full_key(key, key + length); - if(cipher_name == "TripleDES" && length == 16) + if(m_cipher_name == "TripleDES" && length == 16) { full_key += std::make_pair(key, 8); } else - if(EVP_CIPHER_CTX_set_key_length(&encrypt, length) == 0 || - EVP_CIPHER_CTX_set_key_length(&decrypt, length) == 0) + if(EVP_CIPHER_CTX_set_key_length(&m_encrypt, length) == 0 || + EVP_CIPHER_CTX_set_key_length(&m_decrypt, length) == 0) throw Invalid_Argument("OpenSSL_BlockCipher: Bad key length for " + - cipher_name); + m_cipher_name); - EVP_EncryptInit_ex(&encrypt, nullptr, nullptr, full_key.data(), nullptr); - EVP_DecryptInit_ex(&decrypt, nullptr, nullptr, full_key.data(), nullptr); + EVP_EncryptInit_ex(&m_encrypt, nullptr, nullptr, full_key.data(), nullptr); + EVP_DecryptInit_ex(&m_decrypt, nullptr, nullptr, full_key.data(), nullptr); } /* @@ -124,11 +124,11 @@ void OpenSSL_BlockCipher::key_schedule(const byte key[], size_t length) */ BlockCipher* OpenSSL_BlockCipher::clone() const { - return new OpenSSL_BlockCipher(EVP_CIPHER_CTX_cipher(&encrypt), - cipher_name, - cipher_key_spec.minimum_keylength(), - cipher_key_spec.maximum_keylength(), - cipher_key_spec.keylength_multiple()); + return new OpenSSL_BlockCipher(EVP_CIPHER_CTX_cipher(&m_encrypt), + m_cipher_name, + m_cipher_key_spec.minimum_keylength(), + m_cipher_key_spec.maximum_keylength(), + m_cipher_key_spec.keylength_multiple()); } /* @@ -136,16 +136,16 @@ BlockCipher* OpenSSL_BlockCipher::clone() const */ void OpenSSL_BlockCipher::clear() { - const EVP_CIPHER* algo = EVP_CIPHER_CTX_cipher(&encrypt); - - EVP_CIPHER_CTX_cleanup(&encrypt); - EVP_CIPHER_CTX_cleanup(&decrypt); - EVP_CIPHER_CTX_init(&encrypt); - EVP_CIPHER_CTX_init(&decrypt); - EVP_EncryptInit_ex(&encrypt, algo, nullptr, nullptr, nullptr); - EVP_DecryptInit_ex(&decrypt, algo, nullptr, nullptr, nullptr); - EVP_CIPHER_CTX_set_padding(&encrypt, 0); - EVP_CIPHER_CTX_set_padding(&decrypt, 0); + const EVP_CIPHER* algo = EVP_CIPHER_CTX_cipher(&m_encrypt); + + EVP_CIPHER_CTX_cleanup(&m_encrypt); + EVP_CIPHER_CTX_cleanup(&m_decrypt); + EVP_CIPHER_CTX_init(&m_encrypt); + EVP_CIPHER_CTX_init(&m_decrypt); + EVP_EncryptInit_ex(&m_encrypt, algo, nullptr, nullptr, nullptr); + EVP_DecryptInit_ex(&m_decrypt, algo, nullptr, nullptr, nullptr); + EVP_CIPHER_CTX_set_padding(&m_encrypt, 0); + EVP_CIPHER_CTX_set_padding(&m_decrypt, 0); } std::function<BlockCipher* (const BlockCipher::Spec&)> |