Package java.security

Examples of java.security.Signature$SignatureImpl

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        if (!c.getSignatureAlgorithm().equals(c.getTBSCertList().getSignature()))
        {
            throw new CRLException("Signature algorithm on CertificateList does not match TBSCertList.");
        }

        Signature sig;

        if (sigProvider != null)
        {
            sig = Signature.getInstance(getSigAlgName(), sigProvider);
        }
        else
        {
            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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        if (cert.getSigAlgParams() != null)
        {
            fail("sig parameters present");
        }
       
        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.");
        }
        // System.out.println(cert);
    }
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        if (req.getSignatureAlgorithm().getParameters() != null)
        {
            fail("ECDSA parameters incorrect.");
        }
       
        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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        if (req.getSignatureAlgorithm().getParameters() != null)
        {
            fail("ECDSA parameters incorrect.");
        }

        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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        if (req.getSignatureAlgorithm().getParameters() != null)
        {
            fail("ECGOST parameters incorrect.");
        }

        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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        if (req.getSignatureAlgorithm().getParameters() == null)
        {
            fail("PSS parameters incorrect.");
        }

        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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        String      certName)
        throws Exception
    {
        X509Certificate  cert = loadCert(certName);
        byte[]           tbs = cert.getTBSCertificate();
        Signature        sig = Signature.getInstance(cert.getSigAlgName(), "BC");
       
        sig.initVerify(cert.getPublicKey());
       
        sig.update(tbs);
       
        assertFalse(sig.verify(cert.getSignature()));
    }
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    public final void verify(
        PublicKey   key)
        throws CertificateException, NoSuchAlgorithmException,
        InvalidKeyException, NoSuchProviderException, SignatureException
    {
        Signature   signature;
        String      sigName = X509SignatureUtil.getSignatureName(c.getSignatureAlgorithm());
       
        try
        {
            signature = Signature.getInstance(sigName, BouncyCastleProvider.PROVIDER_NAME);
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        String      sigProvider)
        throws CertificateException, NoSuchAlgorithmException,
        InvalidKeyException, NoSuchProviderException, SignatureException
    {
        String    sigName = X509SignatureUtil.getSignatureName(c.getSignatureAlgorithm());
        Signature signature = Signature.getInstance(sigName, sigProvider);
       
        checkSignature(key, signature);
    }
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        if (!c.getSignatureAlgorithm().equals(c.getTBSCertList().getSignature()))
        {
            throw new CRLException("Signature algorithm on CertificateList does not match TBSCertList.");
        }

        Signature sig;

        if (sigProvider != null)
        {
            sig = Signature.getInstance(getSigAlgName(), sigProvider);
        }
        else
        {
            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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