Examples with Signature tech.pegasys.signers.secp256k1.api.Signature used on opensource projects

Example 11 with Signature

use of tech.pegasys.signers.secp256k1.api.Signature in project web3signer by ConsenSys.

the class EthSecpArtifactSignerTest method signsData.

@Test
void signsData() {
    final ECKeyPair ecKeyPair = new ECKeyPair(Numeric.toBigInt(PRIVATE_KEY), Numeric.toBigInt(PUBLIC_KEY));
    final Credentials credentials = Credentials.create(ecKeyPair);
    final EthSecpArtifactSigner ethSecpArtifactSigner = new EthSecpArtifactSigner(new CredentialSigner(credentials));
    final Bytes message = Bytes.wrap("Hello, world!".getBytes(UTF_8));
    final SecpArtifactSignature signature = ethSecpArtifactSigner.sign(message);
    final SignatureData expectedSignature = Sign.signMessage(message.toArrayUnsafe(), ecKeyPair);
    final Signature signatureData = signature.getSignatureData();
    assertThat(signatureData.getR()).isEqualTo(Numeric.toBigInt(expectedSignature.getR()));
    assertThat(signatureData.getS()).isEqualTo(Numeric.toBigInt(expectedSignature.getS()));
    assertThat(signatureData.getV()).isEqualTo(Numeric.toBigInt(expectedSignature.getV()));
}

Example 12 with Signature

use of tech.pegasys.signers.secp256k1.api.Signature in project web3signer by ConsenSys.

the class FilecoinVerifyTest method createSecpArtifactSignature.

private SecpArtifactSignature createSecpArtifactSignature(final Bytes signature) {
    final Bytes r = signature.slice(0, 32);
    final Bytes s = signature.slice(32, 32);
    final Bytes v = signature.slice(64);
    return new SecpArtifactSignature(new Signature(Numeric.toBigInt(v.toArrayUnsafe()), Numeric.toBigInt(r.toArrayUnsafe()), Numeric.toBigInt(s.toArrayUnsafe())));
}

Example 13 with Signature

use of tech.pegasys.signers.secp256k1.api.Signature in project web3signer by ConsenSys.

the class SecpArtifactSignature method fromBytes.

public static SecpArtifactSignature fromBytes(final Bytes signature) {
    final Bytes r = signature.slice(0, 32);
    final Bytes s = signature.slice(32, 32);
    final Bytes v = signature.slice(64);
    return new SecpArtifactSignature(new Signature(Numeric.toBigInt(v.toArrayUnsafe()), Numeric.toBigInt(r.toArrayUnsafe()), Numeric.toBigInt(s.toArrayUnsafe())));
}