pbkdf2.h

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/*
* PBKDF2
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
 
#ifndef BOTAN_PBKDF2_H__
#define BOTAN_PBKDF2_H__
 
#include <botan/pbkdf.h>
#include <botan/mac.h>
 
namespace Botan {
 
/**
* PKCS #5 PBKDF2
*/
class BOTAN_DLL PKCS5_PBKDF2 : public PBKDF
   {
   public:
      std::string name() const
         {
         return "PBKDF2(" + mac->name() + ")";
         }
 
      PBKDF* clone() const
         {
         return new PKCS5_PBKDF2(mac->clone());
         }
 
      OctetString derive_key(size_t output_len,
                             const std::string& passphrase,
                             const byte salt[], size_t salt_len,
                             size_t iterations) const;
 
      /**
      * Create a PKCS #5 instance using the specified message auth code
      * @param mac_fn the MAC to use
      */
      PKCS5_PBKDF2(MessageAuthenticationCode* mac_fn) : mac(mac_fn) {}
 
      /**
      * Destructor
      */
      ~PKCS5_PBKDF2() { delete mac; }
   private:
      MessageAuthenticationCode* mac;
   };
 
}
 
#endif