Package io.github.cdimascio.crypto

Class Secp256k1Signer

java.lang.Object

io.github.cdimascio.crypto.Secp256k1Signer

public class Secp256k1Signer
extends Object

secp256k1 signer

Constructor Summary

Constructors

Constructor	Description
Secp256k1Signer()

Method Summary

Modifier and Type	Method	Description
static byte[]	signData(byte[] data, PrivateKey privateKey)	sign data with SHA256withECDSA
static boolean	verifySignature(byte[] data, byte[] signatureBytes, PublicKey publicKey)	verify signature with with SHA256withECDSA

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Secp256k1Signer

public Secp256k1Signer()

Method Details

signData

public static byte[] signData(byte[] data,
 PrivateKey privateKey)
                       throws NoSuchAlgorithmException,
NoSuchProviderException,
InvalidKeyException,
SignatureException

sign data with SHA256withECDSA

Parameters:

data - data bytes

privateKey - private key

Returns:

signature bytes

Throws:

NoSuchAlgorithmException

NoSuchProviderException

InvalidKeyException

SignatureException

verifySignature

public static boolean verifySignature(byte[] data,
 byte[] signatureBytes,
 PublicKey publicKey)
                               throws NoSuchAlgorithmException,
NoSuchProviderException,
InvalidKeyException,
SignatureException

verify signature with with SHA256withECDSA

Parameters:

data - data

signatureBytes - signature bytes

publicKey - public key

Returns:

verified result

Throws:

NoSuchAlgorithmException

NoSuchProviderException

InvalidKeyException

SignatureException