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Diffstat (limited to 'botan/src/pubkey/dlies/dlies.h')
-rw-r--r-- | botan/src/pubkey/dlies/dlies.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/botan/src/pubkey/dlies/dlies.h b/botan/src/pubkey/dlies/dlies.h new file mode 100644 index 0000000..88a22b9 --- /dev/null +++ b/botan/src/pubkey/dlies/dlies.h @@ -0,0 +1,69 @@ +/* +* DLIES +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_DLIES_H__ +#define BOTAN_DLIES_H__ + +#include <botan/pubkey.h> +#include <botan/mac.h> +#include <botan/kdf.h> + +namespace Botan { + +/* +* DLIES Encryption +*/ +class BOTAN_DLL DLIES_Encryptor : public PK_Encryptor + { + public: + DLIES_Encryptor(const PK_Key_Agreement_Key&, + KDF* kdf, + MessageAuthenticationCode* mac, + u32bit mac_key_len = 20); + + ~DLIES_Encryptor(); + + void set_other_key(const MemoryRegion<byte>&); + private: + SecureVector<byte> enc(const byte[], u32bit, + RandomNumberGenerator&) const; + u32bit maximum_input_size() const; + + const PK_Key_Agreement_Key& key; + SecureVector<byte> other_key; + + KDF* kdf; + MessageAuthenticationCode* mac; + u32bit mac_keylen; + }; + +/* +* DLIES Decryption +*/ +class BOTAN_DLL DLIES_Decryptor : public PK_Decryptor + { + public: + DLIES_Decryptor(const PK_Key_Agreement_Key&, + KDF* kdf, + MessageAuthenticationCode* mac, + u32bit mac_key_len = 20); + + ~DLIES_Decryptor(); + + private: + SecureVector<byte> dec(const byte[], u32bit) const; + + const PK_Key_Agreement_Key& key; + + KDF* kdf; + MessageAuthenticationCode* mac; + u32bit mac_keylen; + }; + +} + +#endif |