Examples of java.security.Signature.update()

java.security.Signature.update()
Updates the data to be signed or verified by a byte. @param b the byte to use for the update. @exception SignatureException if this signature object is not initialized properly.


        sig.initSign(signingKey);


        try
        {
            sig.update(reqInfo.getEncoded(ASN1Encoding.DER));
        }
        catch (Exception e)
        {
            throw new IllegalArgumentException("exception encoding TBS cert request - " + e);
        }

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        {
            Signature signature = OCSPUtil.createSignatureInstance(this.getSignatureAlgName(), sigProvider);


            signature.initVerify(key);


            signature.update(resp.getTbsResponseData().getEncoded(ASN1Encoding.DER));


            return signature.verify(this.getSignature());
        }
        catch (NoSuchProviderException e)
        {

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        {
            sig = Signature.getInstance(getSigAlgName());
        }


        sig.initVerify(key);
        sig.update(this.getTBSCertList());


        if (!sig.verify(this.getSignature()))
        {
            throw new SignatureException("CRL does not verify with supplied public key.");
        }

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        Signature sig = Signature.getInstance(algorithm, "BC");
        
        sig.initVerify(pubKey);
        
        sig.update(cert.getTBSCertificate());
        
        if (!sig.verify(cert.getSignature()))
        {
            fail("EC certificate signature not mapped correctly.");
        }

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        Signature sig = Signature.getInstance(algorithm, "BC");


        sig.initVerify(pubKey);


        sig.update(req.getCertificationRequestInfo().getEncoded());


        if (!sig.verify(req.getSignature().getBytes()))
        {
            fail("signature not mapped correctly.");
        }

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        Signature sig = Signature.getInstance(algorithm, "BC");


        sig.initVerify(pubKey);


        sig.update(req.getCertificationRequestInfo().getEncoded());


        if (!sig.verify(req.getSignature().getBytes()))
        {
            fail("signature not mapped correctly.");
        }

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        Signature sig = Signature.getInstance(algorithm, "BC");


        sig.initVerify(pubKey);


        sig.update(req.getCertificationRequestInfo().getEncoded());


        if (!sig.verify(req.getSignature().getBytes()))
        {
            fail("signature not mapped correctly.");
        }

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        byte[]           tbs = cert.getTBSCertificate();
        Signature        sig = Signature.getInstance(cert.getSigAlgName(), "BC");
        
        sig.initVerify(cert.getPublicKey());
        
        sig.update(tbs);
        
        assertFalse(sig.verify(cert.getSignature()));
    }


    private X509Certificate loadCert(

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        {
            sig = Signature.getInstance(getSigAlgName());
        }


        sig.initVerify(key);
        sig.update(this.getTBSCertList());


        if (!sig.verify(this.getSignature()))
        {
            throw new SignatureException("CRL does not verify with supplied public key.");
        }

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        // by someone who knew the associated private key
        //
        Signature sig = Signature.getInstance(sigAlg.getObjectId().getId(),
                "BC");
        sig.initVerify(pubkey);
        sig.update(content.getBytes());


        return sig.verify(sigBits);
    }


    public void sign(PrivateKey priv_key) throws NoSuchAlgorithmException,

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