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ecpoint_serialize.go
34 lines (31 loc) · 1.12 KB
/
ecpoint_serialize.go
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/*
* Copyright (C) 2021 Zilliqa
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package core
import (
"crypto/elliptic"
"github.com/renlulu/gozilliqa-sdklegacy/keytools"
"math/big"
)
type ECPointSerialize struct {
BIGNumSerialize
}
// x and y represent the point on the curve
func (ec *ECPointSerialize) SetNumber(dst []byte, offset uint, size uint, x, y *big.Int) {
bytes := elliptic.MarshalCompressed(keytools.Secp256k1, x, y)
bnValue := new(big.Int).SetBytes(bytes)
ec.BIGNumSerialize.SetNumber(dst, offset, size, bnValue)
}