/usr/include/botan-2/botan/hmac.h is in libbotan-2-dev 2.4.0-5ubuntu1.
This file is owned by root:root, with mode 0o644.
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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 | /*
* HMAC
* (C) 1999-2007,2014 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_HMAC_H_
#define BOTAN_HMAC_H_
#include <botan/mac.h>
#include <botan/hash.h>
namespace Botan {
/**
* HMAC
*/
class BOTAN_PUBLIC_API(2,0) HMAC final : public MessageAuthenticationCode
{
public:
void clear() override;
std::string name() const override;
MessageAuthenticationCode* clone() const override;
size_t output_length() const override { return m_hash->output_length(); }
Key_Length_Specification key_spec() const override;
/**
* @param hash the hash to use for HMACing
*/
explicit HMAC(HashFunction* hash);
HMAC(const HMAC&) = delete;
HMAC& operator=(const HMAC&) = delete;
private:
void add_data(const uint8_t[], size_t) override;
void final_result(uint8_t[]) override;
void key_schedule(const uint8_t[], size_t) override;
std::unique_ptr<HashFunction> m_hash;
secure_vector<uint8_t> m_ikey, m_okey;
};
}
#endif
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