本文整理匯總了Java中com.digitalpetri.opcua.stack.core.util.SignatureUtil類的典型用法代碼示例。如果您正苦於以下問題：Java SignatureUtil類的具體用法？Java SignatureUtil怎麽用？Java SignatureUtil使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
SignatureUtil類屬於com.digitalpetri.opcua.stack.core.util包，在下文中一共展示了SignatureUtil類的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: getServerSignature
import com.digitalpetri.opcua.stack.core.util.SignatureUtil; //導入依賴的package包/類
private SignatureData getServerSignature(ByteString clientNonce,
ByteString clientCertificate,
SecurityPolicy securityPolicy,
KeyPair keyPair) throws UaException {
if (clientNonce.isNull() || clientCertificate.isNull() || keyPair == null) {
return new SignatureData(null, null);
}
try {
SecurityAlgorithm algorithm = securityPolicy.getAsymmetricSignatureAlgorithm();
byte[] data = Bytes.concat(clientCertificate.bytes(), clientNonce.bytes());
byte[] signature = SignatureUtil.sign(
algorithm,
keyPair.getPrivate(),
ByteBuffer.wrap(data)
);
return new SignatureData(algorithm.getUri(), ByteString.of(signature));
} catch (UaRuntimeException e) {
throw new UaException(StatusCodes.Bad_SecurityChecksFailed);
}
}
示例2: verifyChunk
import com.digitalpetri.opcua.stack.core.util.SignatureUtil; //導入依賴的package包/類
@Override
public void verifyChunk(SecureChannel channel, ByteBuf chunkBuffer) throws UaException {
SecurityAlgorithm securityAlgorithm = channel.getSecurityPolicy().getSymmetricSignatureAlgorithm();
byte[] secretKey = channel.getDecryptionKeys(securitySecrets).getSignatureKey();
int signatureSize = channel.getSymmetricSignatureSize();
ByteBuffer chunkNioBuffer = chunkBuffer.nioBuffer(0, chunkBuffer.writerIndex());
chunkNioBuffer.position(0).limit(chunkBuffer.writerIndex() - signatureSize);
byte[] signature = SignatureUtil.hmac(securityAlgorithm, secretKey, chunkNioBuffer);
byte[] signatureBytes = new byte[signatureSize];
chunkNioBuffer.limit(chunkNioBuffer.position() + signatureSize);
chunkNioBuffer.get(signatureBytes);
if (!Arrays.equals(signature, signatureBytes)) {
throw new UaException(StatusCodes.Bad_SecurityChecksFailed, "could not verify signature");
}
}
示例3: signChunk
import com.digitalpetri.opcua.stack.core.util.SignatureUtil; //導入依賴的package包/類
@Override
public byte[] signChunk(SecureChannel channel, ByteBuffer chunkNioBuffer) throws UaException {
return SignatureUtil.sign(
channel.getSecurityPolicy().getAsymmetricSignatureAlgorithm(),
channel.getKeyPair().getPrivate(),
chunkNioBuffer
);
}