diff options
Diffstat (limited to 'SoftHSMv2/src/lib/crypto/Botan_ecb.h')
-rw-r--r-- | SoftHSMv2/src/lib/crypto/Botan_ecb.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/Botan_ecb.h b/SoftHSMv2/src/lib/crypto/Botan_ecb.h new file mode 100644 index 0000000..1712083 --- /dev/null +++ b/SoftHSMv2/src/lib/crypto/Botan_ecb.h @@ -0,0 +1,107 @@ +/* +* ECB Mode +* (C) 1999-2009,2013 Jack Lloyd +* (C) 2016 Daniel Neus, Rohde & Schwarz Cybersecurity +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_MODE_ECB_H__ +#define BOTAN_MODE_ECB_H__ + +#include <botan/version.h> +#if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(2,0,0) +// ECB cipher mode was dropped in Botan 2.0.0 +// so including this code in SoftHSM for continued support +// for e.g. CKA_VALUE_CHECK + +#include <botan/cipher_mode.h> +#include <botan/block_cipher.h> +#include <botan/mode_pad.h> + +namespace Botan { + +/** +* ECB mode +*/ +class BOTAN_DLL ECB_Mode : public Cipher_Mode + { + public: + std::string name() const override; + + size_t update_granularity() const override; + + Key_Length_Specification key_spec() const override; + + size_t default_nonce_length() const override; + + bool valid_nonce_length(size_t n) const override; + + void clear() override; + + void reset() override; + + protected: + ECB_Mode(BlockCipher* cipher, BlockCipherModePaddingMethod* padding); + + const BlockCipher& cipher() const { return *m_cipher; } + + const BlockCipherModePaddingMethod& padding() const { return *m_padding; } + + private: + void start_msg(const byte nonce[], size_t nonce_len) override; + void key_schedule(const byte key[], size_t length) override; + + std::unique_ptr<BlockCipher> m_cipher; + std::unique_ptr<BlockCipherModePaddingMethod> m_padding; + }; + +/** +* ECB Encryption +*/ +class BOTAN_DLL ECB_Encryption final : public ECB_Mode + { + public: + /** + * @param cipher block cipher to use + * @param padding padding method to use + */ + ECB_Encryption(BlockCipher* cipher, BlockCipherModePaddingMethod* padding) : + ECB_Mode(cipher, padding) {} + + size_t process(uint8_t buf[], size_t size) override; + + void finish(secure_vector<byte>& final_block, size_t offset = 0) override; + + size_t output_length(size_t input_length) const override; + + size_t minimum_final_size() const override; + }; + +/** +* ECB Decryption +*/ +class BOTAN_DLL ECB_Decryption final : public ECB_Mode + { + public: + /** + * @param cipher block cipher to use + * @param padding padding method to use + */ + ECB_Decryption(BlockCipher* cipher, BlockCipherModePaddingMethod* padding) : + ECB_Mode(cipher, padding) {} + + size_t process(uint8_t buf[], size_t size) override; + + void finish(secure_vector<byte>& final_block, size_t offset = 0) override; + + size_t output_length(size_t input_length) const override; + + size_t minimum_final_size() const override; + }; + +} + +#endif + +#endif |