Example usage for org.bouncycastle.crypto.signers PSSSigner generateSignature

Introduction

In this page you can find the example usage for org.bouncycastle.crypto.signers PSSSigner generateSignature.

Prototype

public byte[] generateSignature() throws CryptoException, DataLengthException 

Source Link

Document

generate a signature for the message we've been loaded with using the key we were initialised with.

Usage

From source file:dorkbox.util.crypto.CryptoRSA.java

License:Apache License

/**
 * RSA sign data with a specified key.//from  w  w  w  . ja v a  2 s.c o m
 *
 * @param logger
 *                 may be null, if no log output is necessary
 *
 * @return empty byte[] if error
 */
public static byte[] sign(PSSSigner signer, RSAPrivateCrtKeyParameters rsaPrivateKey, byte[] mesg,
        Logger logger) {
    signer.init(true, rsaPrivateKey);
    signer.update(mesg, 0, mesg.length);

    try {
        return signer.generateSignature();
    } catch (Exception e) {
        if (logger != null) {
            logger.error("Unable to perform RSA cipher.", e);
        }
        return new byte[0];
    }
}

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