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-rw-r--r--src/pk_pad/emsa.h68
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diff --git a/src/pk_pad/emsa.h b/src/pk_pad/emsa.h
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--- a/src/pk_pad/emsa.h
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-/*
-* EMSA Classes
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_PUBKEY_EMSA_H__
-#define BOTAN_PUBKEY_EMSA_H__
-
-#include <botan/secmem.h>
-#include <botan/rng.h>
-
-namespace Botan {
-
-/**
-* Encoding Method for Signatures, Appendix
-*/
-class BOTAN_DLL EMSA
- {
- public:
- /**
- * Add more data to the signature computation
- * @param input some data
- * @param length length of input in bytes
- */
- virtual void update(const byte input[], size_t length) = 0;
-
- /**
- * @return raw hash
- */
- virtual secure_vector<byte> raw_data() = 0;
-
- /**
- * Return the encoding of a message
- * @param msg the result of raw_data()
- * @param output_bits the desired output bit size
- * @param rng a random number generator
- * @return encoded signature
- */
- virtual secure_vector<byte> encoding_of(const secure_vector<byte>& msg,
- size_t output_bits,
- RandomNumberGenerator& rng) = 0;
-
- /**
- * Verify the encoding
- * @param coded the received (coded) message representative
- * @param raw the computed (local, uncoded) message representative
- * @param key_bits the size of the key in bits
- * @return true if coded is a valid encoding of raw, otherwise false
- */
- virtual bool verify(const secure_vector<byte>& coded,
- const secure_vector<byte>& raw,
- size_t key_bits) = 0;
- virtual ~EMSA() {}
- };
-
-/**
-* Factory method for EMSA (message-encoding methods for signatures
-* with appendix) objects
-* @param algo_spec the name of the EME to create
-* @return pointer to newly allocated object of that type
-*/
-BOTAN_DLL EMSA* get_emsa(const std::string& algo_spec);
-
-}
-
-#endif