prf_x942.h

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/*
* X9.42 PRF
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
 
#ifndef BOTAN_ANSI_X942_PRF_H_
#define BOTAN_ANSI_X942_PRF_H_
 
#include <botan/asn1_obj.h>
#include <botan/kdf.h>
 
namespace Botan {
 
/**
* PRF from ANSI X9.42
*/
class X942_PRF final : public KDF {
   public:
      std::string name() const override;
 
      std::unique_ptr<KDF> new_object() const override { return std::make_unique<X942_PRF>(m_key_wrap_oid); }
 
      void kdf(uint8_t key[],
               size_t key_len,
               const uint8_t secret[],
               size_t secret_len,
               const uint8_t salt[],
               size_t salt_len,
               const uint8_t label[],
               size_t label_len) const override;
 
      explicit X942_PRF(std::string_view oid) : m_key_wrap_oid(OID::from_string(oid)) {}
 
      explicit X942_PRF(const OID& oid) : m_key_wrap_oid(oid) {}
 
   private:
      OID m_key_wrap_oid;
};
 
}  // namespace Botan
 
#endif