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/*
* PK Operations
* (C) 1999-2010 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <botan/internal/default_engine.h>
#if defined(BOTAN_HAS_RSA)
#include <botan/if_op.h>
#include <botan/rsa.h>
#endif
#if defined(BOTAN_HAS_RW)
#include <botan/rw.h>
#endif
#if defined(BOTAN_HAS_DSA)
#include <botan/dsa.h>
#endif
#if defined(BOTAN_HAS_ECDSA)
#include <botan/ecdsa.h>
#endif
#if defined(BOTAN_HAS_ELGAMAL)
#include <botan/elgamal.h>
#endif
#if defined(BOTAN_HAS_GOST_3410_2001)
#include <botan/gost_3410.h>
#endif
#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
#include <botan/nr.h>
#endif
#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
#include <botan/dh.h>
#endif
#if defined(BOTAN_HAS_ECDH)
#include <botan/ecdh.h>
#endif
namespace Botan {
PK_Ops::Encryption*
Default_Engine::get_encryption_op(const Public_Key& key) const
{
#if defined(BOTAN_HAS_RSA)
if(const RSA_PublicKey* s = dynamic_cast<const RSA_PublicKey*>(&key))
return new RSA_Public_Operation(*s);
#endif
#if defined(BOTAN_HAS_ELGAMAL)
if(const ElGamal_PublicKey* s = dynamic_cast<const ElGamal_PublicKey*>(&key))
return new ElGamal_Encryption_Operation(*s);
#endif
return 0;
}
PK_Ops::Decryption*
Default_Engine::get_decryption_op(const Private_Key& key) const
{
#if defined(BOTAN_HAS_RSA)
if(const RSA_PrivateKey* s = dynamic_cast<const RSA_PrivateKey*>(&key))
return new RSA_Private_Operation(*s);
#endif
#if defined(BOTAN_HAS_ELGAMAL)
if(const ElGamal_PrivateKey* s = dynamic_cast<const ElGamal_PrivateKey*>(&key))
return new ElGamal_Decryption_Operation(*s);
#endif
return 0;
}
PK_Ops::Key_Agreement*
Default_Engine::get_key_agreement_op(const Private_Key& key) const
{
#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
if(const DH_PrivateKey* dh = dynamic_cast<const DH_PrivateKey*>(&key))
return new DH_KA_Operation(*dh);
#endif
#if defined(BOTAN_HAS_ECDH)
if(const ECDH_PrivateKey* ecdh = dynamic_cast<const ECDH_PrivateKey*>(&key))
return new ECDH_KA_Operation(*ecdh);
#endif
return 0;
}
PK_Ops::Signature*
Default_Engine::get_signature_op(const Private_Key& key) const
{
#if defined(BOTAN_HAS_RSA)
if(const RSA_PrivateKey* s = dynamic_cast<const RSA_PrivateKey*>(&key))
return new RSA_Private_Operation(*s);
#endif
#if defined(BOTAN_HAS_RW)
if(const RW_PrivateKey* s = dynamic_cast<const RW_PrivateKey*>(&key))
return new RW_Signature_Operation(*s);
#endif
#if defined(BOTAN_HAS_DSA)
if(const DSA_PrivateKey* s = dynamic_cast<const DSA_PrivateKey*>(&key))
return new DSA_Signature_Operation(*s);
#endif
#if defined(BOTAN_HAS_ECDSA)
if(const ECDSA_PrivateKey* s = dynamic_cast<const ECDSA_PrivateKey*>(&key))
return new ECDSA_Signature_Operation(*s);
#endif
#if defined(BOTAN_HAS_GOST_3410_2001)
if(const GOST_3410_PrivateKey* s =
dynamic_cast<const GOST_3410_PrivateKey*>(&key))
return new GOST_3410_Signature_Operation(*s);
#endif
#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
if(const NR_PrivateKey* s = dynamic_cast<const NR_PrivateKey*>(&key))
return new NR_Signature_Operation(*s);
#endif
return 0;
}
PK_Ops::Verification*
Default_Engine::get_verify_op(const Public_Key& key) const
{
#if defined(BOTAN_HAS_RSA)
if(const RSA_PublicKey* s = dynamic_cast<const RSA_PublicKey*>(&key))
return new RSA_Public_Operation(*s);
#endif
#if defined(BOTAN_HAS_RW)
if(const RW_PublicKey* s = dynamic_cast<const RW_PublicKey*>(&key))
return new RW_Verification_Operation(*s);
#endif
#if defined(BOTAN_HAS_DSA)
if(const DSA_PublicKey* s = dynamic_cast<const DSA_PublicKey*>(&key))
return new DSA_Verification_Operation(*s);
#endif
#if defined(BOTAN_HAS_ECDSA)
if(const ECDSA_PublicKey* s = dynamic_cast<const ECDSA_PublicKey*>(&key))
return new ECDSA_Verification_Operation(*s);
#endif
#if defined(BOTAN_HAS_GOST_3410_2001)
if(const GOST_3410_PublicKey* s =
dynamic_cast<const GOST_3410_PublicKey*>(&key))
return new GOST_3410_Verification_Operation(*s);
#endif
#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
if(const NR_PublicKey* s = dynamic_cast<const NR_PublicKey*>(&key))
return new NR_Verification_Operation(*s);
#endif
return 0;
}
#if defined(BOTAN_HAS_IF_PUBLIC_KEY_FAMILY)
/*
* Acquire an IF op
*/
IF_Operation* Default_Engine::if_op(const BigInt& e, const BigInt& n,
const BigInt& d, const BigInt& p,
const BigInt& q, const BigInt& d1,
const BigInt& d2, const BigInt& c) const
{
return new Default_IF_Op(e, n, d, p, q, d1, d2, c);
}
#endif
}
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