secp256k1

Documentation

Overview

license: https://mit-license.org * ============================================================================== * The MIT License (MIT) * * Copyright (c) 2021 Albert Moky * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * ==============================================================================

Index

• func Generate() (pub, pri []byte)
• func GetPublicKey(pri []byte) []byte
• func Sign(pri, digest []byte) []byte
• func SignatureFromDER(der []byte) []byte
• func SignatureToDER(signature []byte) []byte
• func Verify(pub, digest, signature []byte) bool

Functions

func Generate

func Generate() (pub, pri []byte)

*

• Generate key pair *
• @return public key & private key

func GetPublicKey

func GetPublicKey(pri []byte) []byte

*

• Get public key from private key *
• @param pri - private key data (32 bytes)
• @return public key data (64 bytes)

func Sign

func Sign(pri, digest []byte) []byte

*

• Sign data with private key *
• @param pri - private key data (32 bytes)
• @param digest - message digest
• @return signature (64 bytes)

func SignatureFromDER

func SignatureFromDER(der []byte) []byte

func SignatureToDER

func SignatureToDER(signature []byte) []byte

func Verify

func Verify(pub, digest, signature []byte) bool

*

• Verify data and signature with public key *
• @param pub - public key data (64 bytes)
• @param digest - message digest
• @param signature - signature (64 bytes)
• @return true on matched