https://github.com/web3p/secp256k1

secp256k1
https://github.com/web3p/secp256k1

ethereum secp256k1

Last synced: 5 days ago
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secp256k1

• Host: GitHub
• URL: https://github.com/web3p/secp256k1
• Owner: web3p
• License: mit
• Created: 2018-02-13T09:40:08.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2018-06-01T13:22:45.000Z (over 6 years ago)
• Last Synced: 2024-11-09T11:51:41.338Z (9 days ago)
• Topics: ethereum, secp256k1
• Language: PHP
• Size: 25.4 KB
• Stars: 5
• Watchers: 3
• Forks: 6
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# secp256k1

secp256k1 for ethereum, this package depends on mdanter/ecc package.

[![Build Status](https://travis-ci.org/web3p/secp256k1.svg?branch=master)](https://travis-ci.org/web3p/secp256k1)

[![codecov](https://codecov.io/gh/web3p/secp256k1/branch/master/graph/badge.svg)](https://codecov.io/gh/web3p/secp256k1)

[![Licensed under the MIT License](https://img.shields.io/badge/License-MIT-blue.svg)](https://github.com/web3p/secp256k1/blob/master/LICENSE)

# Install

Set minimum stability to dev

```

composer require web3p/secp256k1

```

# Usage

Sign a message:

```php

use Web3p\Secp256k1\Secp256k1;

use Web3p\Secp256k1\Serializer\HexSignatureSerializer;

$secp256k1 = new Secp256k1();

// return signature contains r and s.

// message and privateKey are hex string

$signature = $secp256k1->sign($message, $privateKey);

// get r

$r = $signature->getR();

// get s

$s = $signature->getS();

// encode to hex

$serializer = new HexSignatureSerializer();

$signatureString = $serializer->serialize($signature);

// or you can call toHex

$signatureString = $signature->toHex();

```

Verify a message:

```php

use Web3p\Secp256k1\Secp256k1;

$secp256k1 = new Secp256k1();

// signature was created from sign method.

// hash and publicKey are hex string

$isVerified = $secp256k1->verify($hash, $signature, $publicKey);

```

# API

Todo.

# License

MIT