/usr/include/botan-1.10/botan/emsa4.h is in libbotan1.10-dev 1.10.16-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | /*
* EMSA4
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_EMSA4_H__
#define BOTAN_EMSA4_H__
#include <botan/emsa.h>
#include <botan/hash.h>
#include <botan/kdf.h>
namespace Botan {
/**
* EMSA4 aka PSS-R
*/
class BOTAN_DLL EMSA4 : public EMSA
{
public:
/**
* @param hash the hash object to use
*/
EMSA4(HashFunction* hash);
/**
* @param hash the hash object to use
* @param salt_size the size of the salt to use in bytes
*/
EMSA4(HashFunction* hash, size_t salt_size);
~EMSA4() { delete hash; delete mgf; }
private:
void update(const byte[], size_t);
SecureVector<byte> raw_data();
SecureVector<byte> encoding_of(const MemoryRegion<byte>&, size_t,
RandomNumberGenerator& rng);
bool verify(const MemoryRegion<byte>&, const MemoryRegion<byte>&,
size_t);
size_t SALT_SIZE;
HashFunction* hash;
const MGF* mgf;
};
}
#endif
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