/usr/include/botan-1.10/botan/kdf.h is in libbotan1.10-dev 1.10.0-3.
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 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | /*
* 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/algo_base.h>
#include <botan/secmem.h>
#include <botan/types.h>
namespace Botan {
/**
* Key Derivation Function
*/
class BOTAN_DLL KDF : public Algorithm
{
public:
/**
* Derive a key
* @param key_len the desired output length in bytes
* @param secret the secret input
* @param salt a diversifier
*/
SecureVector<byte> derive_key(size_t key_len,
const MemoryRegion<byte>& secret,
const std::string& salt = "") const;
/**
* Derive a key
* @param key_len the desired output length in bytes
* @param secret the secret input
* @param salt a diversifier
*/
SecureVector<byte> derive_key(size_t key_len,
const MemoryRegion<byte>& secret,
const MemoryRegion<byte>& salt) const;
/**
* Derive a key
* @param key_len the desired output length in bytes
* @param secret the secret input
* @param salt a diversifier
* @param salt_len size of salt in bytes
*/
SecureVector<byte> derive_key(size_t key_len,
const MemoryRegion<byte>& secret,
const byte salt[],
size_t salt_len) const;
/**
* Derive a key
* @param key_len the desired output length in bytes
* @param secret the secret input
* @param secret_len size of secret in bytes
* @param salt a diversifier
*/
SecureVector<byte> derive_key(size_t key_len,
const byte secret[],
size_t secret_len,
const std::string& salt = "") const;
/**
* Derive a key
* @param key_len the desired output length in bytes
* @param secret the secret input
* @param secret_len size of secret in bytes
* @param salt a diversifier
* @param salt_len size of salt in bytes
*/
SecureVector<byte> derive_key(size_t key_len,
const byte secret[],
size_t secret_len,
const byte salt[],
size_t salt_len) const;
void clear() {}
virtual KDF* clone() const = 0;
private:
virtual SecureVector<byte>
derive(size_t key_len,
const byte secret[], size_t secret_len,
const byte salt[], size_t salt_len) const = 0;
};
/**
* Mask Generation Function
*/
class BOTAN_DLL MGF
{
public:
virtual void mask(const byte in[], size_t in_len,
byte out[], size_t out_len) const = 0;
virtual ~MGF() {}
};
}
#endif
|