/usr/include/botan-1.10/botan/emsa.h is in libbotan1.10-dev 1.10.12-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 52 53 54 55 56 57 58 59 60 | /*
* 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 SecureVector<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 SecureVector<byte> encoding_of(const MemoryRegion<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 MemoryRegion<byte>& coded,
const MemoryRegion<byte>& raw,
size_t key_bits) = 0;
virtual ~EMSA() {}
};
}
#endif
|