Botan  1.11.15
src/lib/pubkey/pk_utils.h
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00001 /*
00002 * Public Key Algos Utility Header
00003 * (C) 2015 Jack Lloyd
00004 *
00005 * Botan is released under the Simplified BSD License (see license.txt)
00006 */
00007 
00008 #ifndef BOTAN_PK_UTILS_H__
00009 #define BOTAN_PK_UTILS_H__
00010 
00011 #include <botan/internal/algo_registry.h>
00012 #include <botan/pk_ops.h>
00013 #include <botan/numthry.h>
00014 #include <algorithm>
00015 
00016 namespace Botan {
00017 
00018 template<typename OP, typename T>
00019 OP* make_pk_op(const typename T::Spec& spec)
00020    {
00021    if(auto* key = dynamic_cast<const typename T::Key_Type*>(&spec.key()))
00022       return new T(*key, spec.padding());
00023    return nullptr;
00024    }
00025 
00026 #define BOTAN_REGISTER_PK_OP(T, NAME, TYPE) BOTAN_REGISTER_NAMED_T(T, NAME, TYPE, (make_pk_op<T, TYPE>))
00027 
00028 #define BOTAN_REGISTER_PK_ENCRYPTION_OP(NAME, TYPE) BOTAN_REGISTER_PK_OP(PK_Ops::Encryption, NAME, TYPE)
00029 #define BOTAN_REGISTER_PK_DECRYPTION_OP(NAME, TYPE) BOTAN_REGISTER_PK_OP(PK_Ops::Decryption, NAME, TYPE)
00030 #define BOTAN_REGISTER_PK_SIGNATURE_OP(NAME, TYPE) BOTAN_REGISTER_PK_OP(PK_Ops::Signature, NAME, TYPE)
00031 #define BOTAN_REGISTER_PK_VERIFY_OP(NAME, TYPE) BOTAN_REGISTER_PK_OP(PK_Ops::Verification, NAME, TYPE)
00032 #define BOTAN_REGISTER_PK_KEY_AGREE_OP(NAME, TYPE) BOTAN_REGISTER_PK_OP(PK_Ops::Key_Agreement, NAME, TYPE)
00033 
00034 }
00035 
00036 #endif