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Implementation of Standards for Efficient Cryptography (SEC) including SECP256K1 and SECP256R1.

package publisher

Implementation of Standards for Efficient Cryptography (SEC) including SECP256K1 and SECP256R1.

Features #

  • PublicKey Recovery Id Calculation.
  • Secp160r1
  • Secp160r2
  • Secp192k1
  • Secp192r1
  • Secp224k1
  • Secp224r1
  • Secp256k1 (Commonly used in cryptocurrencies)
  • Secp256r1
  • Secp384r1
  • Secp521r1
  • Brainpoolp160r1
  • Brainpoolp160t1
  • Brainpoolp192r1
  • Brainpoolp192t1
  • Brainpoolp224r1
  • Brainpoolp224t1
  • Brainpoolp256r1
  • Brainpoolp256t1
  • Brainpoolp320r1
  • Brainpoolp320t1
  • Brainpoolp384r1
  • Brainpoolp384t1
  • Brainpoolp512r1
  • Brainpoolp512t1
  • Gostr3410_2001_cryptopro_a
  • Gostr3410_2001_cryptopro_b
  • Gostr3410_2001_cryptopro_c
  • Gostr3410_2001_cryptopro_xcha
  • Gostr3410_2001_cryptopro_xchb
  • Prime192v1
  • Prime192v2
  • Prime192v3
  • Prime239v1
  • Prime239v2
  • Prime239v3
  • Prime256v1
  • Secp112r1
  • Secp112r2
  • Secp128r1
  • Secp128r2
  • Secp160k1

Getting started #

dependencies:
  sec: any

Usage #

import 'package:sec/sec.dart';
import 'package:convert/convert.dart';
final privateKey = BigInt.parse(
'c57304b3a53051600d7035fc593083810a8fa250e6a7a2803cf6a0f3c2750503',
radix: 16,
);

final publicKey = Secp256k1.createPublicKey(privateKey, true);
final pkHex = hex.encode(publicKey);
print('Public Key: $pkHex');

// 03566b04ce8459c8e2f95691ff17625a0b84773ecd2b65f597c05bd90fa8609ed6

Additional information #

This package uses pointycastle.

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Publisher

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Implementation of Standards for Efficient Cryptography (SEC) including SECP256K1 and SECP256R1.

Repository (GitHub)
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Documentation

API reference

License

MIT (LICENSE)

Dependencies

pointycastle

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