botan/src/kdf/kdf1/kdf1.cpp


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/*
* KDF1
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/

#include <botan/kdf1.h>

namespace Botan {

/*
* KDF1 Key Derivation Mechanism
*/
SecureVector<byte> KDF1::derive(u32bit,
                                const byte secret[], u32bit secret_len,
                                const byte P[], u32bit P_len) const
   {
   hash->update(secret, secret_len);
   hash->update(P, P_len);
   return hash->final();
   }

}