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64 lines
1.7 KiB
64 lines
1.7 KiB
/******************************************************************************
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*
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* Copyright 2017 Xaptum, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*
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*****************************************************************************/
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#ifndef ECDAA_ECP2_FP256BN_EXTENSIONS_H
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#define ECDAA_ECP2_FP256BN_EXTENSIONS_H
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <amcl/ecp2_FP256BN.h>
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#include <stddef.h>
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#define ECP2_FP256BN_LENGTH (4*MODBYTES_256_56 + 1)
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size_t ecp2_FP256BN_length(void);
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/*
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* Initialize ECP2_FP256BN point to G2 generator.
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*/
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void ecp2_FP256BN_set_to_generator(ECP2_FP256BN *point);
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/*
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* Serialize an ECP2_FP256BN point.
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*
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* Format: ( 0x04 | x-coordinate-real-part | x-coordinate-imaginary-part | y-coordinate-real-part | y-coordinate-imaginary-part )
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*/
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void ecp2_FP256BN_serialize(uint8_t *buffer_out,
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ECP2_FP256BN *point);
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/*
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* De-serialize an ECP2_FP256BN point.
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*
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* Format: ( 0x04 | x-coordinate | y-coordinate )
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*
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* Returns:
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* 0 on success
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* -1 if the point is not on the curve
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*/
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int ecp2_FP256BN_deserialize(ECP2_FP256BN *point_out,
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uint8_t *buffer);
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#ifdef __cplusplus
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}
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#endif
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#endif
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