sec

Description:

sec

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

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

// 03566b04ce8459c8e2f95691ff17625a0b84773ecd2b65f597c05bd90fa8609ed6
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Additional information #
This package uses pointycastle.