/usr/include/botan/hash.h is in libbotan1.8-dev 1.8.13-4.
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 | /**
* Hash Function Base Class
* (C) 1999-2008 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_HASH_FUNCTION_BASE_CLASS_H__
#define BOTAN_HASH_FUNCTION_BASE_CLASS_H__
#include <botan/buf_comp.h>
#include <string>
namespace Botan {
/**
* This class represents hash function (message digest) objects.
*/
class BOTAN_DLL HashFunction : public BufferedComputation
{
public:
/**
* The hash block size as defined for this algorithm.
*/
const u32bit HASH_BLOCK_SIZE;
/**
* Get a new object representing the same algorithm as *this
*/
virtual HashFunction* clone() const = 0;
/**
* Get the name of this algorithm.
* @return the name of this algorithm
*/
virtual std::string name() const = 0;
/**
* Reset the internal state of this object.
*/
virtual void clear() throw() = 0;
HashFunction(u32bit hash_len, u32bit block_len = 0) :
BufferedComputation(hash_len), HASH_BLOCK_SIZE(block_len) {}
virtual ~HashFunction() {}
private:
HashFunction& operator=(const HashFunction&);
};
}
#endif
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