diff options
Diffstat (limited to 'src/lib/crypto/cipher_botan.hpp')
-rw-r--r-- | src/lib/crypto/cipher_botan.hpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/lib/crypto/cipher_botan.hpp b/src/lib/crypto/cipher_botan.hpp new file mode 100644 index 0000000..517d38b --- /dev/null +++ b/src/lib/crypto/cipher_botan.hpp @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2021, [Ribose Inc](https://www.ribose.com). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef RNP_CIPHER_BOTAN_HPP +#define RNP_CIPHER_BOTAN_HPP + +#include "cipher.hpp" +#include <botan/cipher_mode.h> +#include <repgp/repgp_def.h> + +class Cipher_Botan : public Cipher { + public: + static std::unique_ptr<Cipher_Botan> encryption(pgp_symm_alg_t cipher, + pgp_cipher_mode_t mode, + size_t tag_size, + bool disable_padding); + static std::unique_ptr<Cipher_Botan> decryption(pgp_symm_alg_t cipher, + pgp_cipher_mode_t mode, + size_t tag_size, + bool disable_padding); + + bool set_key(const uint8_t *key, size_t key_length) override; + bool set_iv(const uint8_t *iv, size_t iv_length) override; + bool set_ad(const uint8_t *ad, size_t ad_length) override; + + size_t update_granularity() const override; + + bool update(uint8_t * output, + size_t output_length, + size_t * output_written, + const uint8_t *input, + size_t input_length, + size_t * input_consumed) override; + bool finish(uint8_t * output, + size_t output_length, + size_t * output_written, + const uint8_t *input, + size_t input_length, + size_t * input_consumed) override; + virtual ~Cipher_Botan(); + + private: + Cipher_Botan(pgp_symm_alg_t alg, std::unique_ptr<Botan::Cipher_Mode> cipher); + + std::unique_ptr<Botan::Cipher_Mode> m_cipher; + std::vector<uint8_t> m_buf; + + static Cipher_Botan *create(pgp_symm_alg_t alg, const std::string &name, bool encrypt); +}; + +#endif |