/usr/include/botan-1.10/botan/hmac.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 | /*
* HMAC
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_HMAC_H__
#define BOTAN_HMAC_H__
#include <botan/mac.h>
#include <botan/hash.h>
namespace Botan {
/**
* HMAC
*/
class BOTAN_DLL HMAC : public MessageAuthenticationCode
{
public:
void clear();
std::string name() const;
MessageAuthenticationCode* clone() const;
size_t output_length() const { return hash->output_length(); }
Key_Length_Specification key_spec() const
{
// Absurd max length here is to support PBKDF2
return Key_Length_Specification(0, 512);
}
/**
* @param hash the hash to use for HMACing
*/
HMAC(HashFunction* hash);
~HMAC() { delete hash; }
private:
void add_data(const byte[], size_t);
void final_result(byte[]);
void key_schedule(const byte[], size_t);
HashFunction* hash;
SecureVector<byte> i_key, o_key;
};
}
#endif
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