/usr/include/botan/kdf.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 53 54 55 56 57 58 59 60 | /*
* KDF/MGF
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_KDF_BASE_H__
#define BOTAN_KDF_BASE_H__
#include <botan/secmem.h>
#include <botan/types.h>
namespace Botan {
/*
* Key Derivation Function
*/
class BOTAN_DLL KDF
{
public:
SecureVector<byte> derive_key(u32bit key_len,
const MemoryRegion<byte>& secret,
const std::string& salt = "") const;
SecureVector<byte> derive_key(u32bit key_len,
const MemoryRegion<byte>& secret,
const MemoryRegion<byte>& salt) const;
SecureVector<byte> derive_key(u32bit key_len,
const MemoryRegion<byte>& secret,
const byte salt[], u32bit salt_len) const;
SecureVector<byte> derive_key(u32bit key_len,
const byte secret[], u32bit secret_len,
const std::string& salt = "") const;
SecureVector<byte> derive_key(u32bit key_len,
const byte secret[], u32bit secret_len,
const byte salt[], u32bit salt_len) const;
virtual ~KDF() {}
private:
virtual SecureVector<byte> derive(u32bit, const byte[], u32bit,
const byte[], u32bit) const = 0;
};
/*
* Mask Generation Function
*/
class BOTAN_DLL MGF
{
public:
virtual void mask(const byte in[], u32bit in_len,
byte out[], u32bit out_len) const = 0;
virtual ~MGF() {}
};
}
#endif
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