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/*
* PBKDF2
* (C) 1999-2007,2012 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_PBKDF2_H__
#define BOTAN_PBKDF2_H__
#include <botan/pbkdf.h>
#include <botan/mac.h>
#include <botan/hash.h>
namespace Botan {
BOTAN_DLL size_t pbkdf2(MessageAuthenticationCode& prf,
byte out[],
size_t out_len,
const std::string& passphrase,
const byte salt[], size_t salt_len,
size_t iterations,
std::chrono::milliseconds msec);
/**
* PKCS #5 PBKDF2
*/
class BOTAN_DLL PKCS5_PBKDF2 final : public PBKDF
{
public:
std::string name() const override
{
return "PBKDF2(" + m_mac->name() + ")";
}
PBKDF* clone() const override
{
return new PKCS5_PBKDF2(m_mac->clone());
}
size_t pbkdf(byte output_buf[], size_t output_len,
const std::string& passphrase,
const byte salt[], size_t salt_len,
size_t iterations,
std::chrono::milliseconds msec) const override;
/**
* Create a PKCS #5 instance using the specified message auth code
* @param mac_fn the MAC object to use as PRF
*/
explicit PKCS5_PBKDF2(MessageAuthenticationCode* mac_fn) : m_mac(mac_fn) {}
static PKCS5_PBKDF2* make(const Spec& spec);
private:
std::unique_ptr<MessageAuthenticationCode> m_mac;
};
}
#endif
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