Examples of java.security.Signature.initSign()

java.security.Signature.initSign()
Initialize this object for signing. If this method is called again with a different argument, it negates the effect of this call. @param privateKey the private key of the identity whose signatureis going to be generated. @exception InvalidKeyException if the key is invalid.

            throw new IllegalStateException("need to set private key with " +
                                            "OAuthConsumer.setProperty when " +
                                            "generating RSA-SHA1 signatures.");
        }
        Signature signer = Signature.getInstance("SHA1withRSA");
        signer.initSign(privateKey);
        signer.update(message);
        return signer.sign();
    }


    private boolean verify(byte[] signature, byte[] message)

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           footprint, name, null);
  
  byte [] outBytes = DNSSEC.digestMessage(tmpsig, m, old);
  
  Signature signer = Signature.getInstance(algorithmName);
  signer.initSign(privateKey);
  signer.update(outBytes);
  byte [] signature = signer.sign();


  /*
   * RSA signatures are already in correct format, but Java DSA

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        sig = X509Util.getSignatureInstance(sigName);


        if (random != null)
        {
            sig.initSign(key, random);
        }
        else
        {
            sig.initSign(key);
        }

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        {
            sig.initSign(key, random);
        }
        else
        {
            sig.initSign(key);
        }


        sig.update(object.getEncoded(ASN1Encodable.DER));


        return sig.sign();

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        sig = X509Util.getSignatureInstance(sigName, provider);


        if (random != null)
        {
            sig.initSign(key, random);
        }
        else
        {
            sig.initSign(key);
        }

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        {
            sig.initSign(key, random);
        }
        else
        {
            sig.initSign(key);
        }


        sig.update(object.getEncoded(ASN1Encodable.DER));


        return sig.sign();

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            }
        }


        if (random != null)
        {
            sig.initSign(key, random);
        }
        else
        {
            sig.initSign(key);
        }

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        {
            sig.initSign(key, random);
        }
        else
        {
            sig.initSign(key);
        }


        if (extensions != null)
        {
            tbsGen.setExtensions(new X509Extensions(extOrdering, extensions));

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        try
        {
            sig = Signature.getInstance(signatureName, provider);
            if (random != null)
            {
                sig.initSign(key, random);
            }
            else
            {
                sig.initSign(key);
            }

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            {
                sig.initSign(key, random);
            }
            else
            {
                sig.initSign(key);
            }
        }
        catch (NoSuchAlgorithmException e)
        {
            throw new OCSPException("exception creating signature: " + e, e);

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