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-rw-r--r--botan/src/pubkey/dlies/dlies.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/botan/src/pubkey/dlies/dlies.h b/botan/src/pubkey/dlies/dlies.h
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+++ b/botan/src/pubkey/dlies/dlies.h
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+/*
+* 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