Package org.bouncycastle.crypto

Examples of org.bouncycastle.crypto.Signer.verifySignature()

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        if (signer != null)
        {
            byte[] sigByte = TlsUtils.readOpaque16(input);

            if (!signer.verifySignature(sigByte))
            {
                throw new TlsFatalAlert(AlertDescription.decrypt_error);
            }
        }
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        ECDomainParameters curve_params = TlsECCUtils.readECParameters(namedCurves, clientECPointFormats, sigIn);

        byte[] point = TlsUtils.readOpaque8(sigIn);

        byte[] sigByte = TlsUtils.readOpaque16(input);
        if (!signer.verifySignature(sigByte))
        {
            throw new TlsFatalAlert(AlertDescription.decrypt_error);
        }

        this.ecAgreeServerPublicKey = TlsECCUtils.validateECPublicKey(TlsECCUtils.deserializeECPublicKey(
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        BigInteger p = TlsDHUtils.readDHParameter(sigIn);
        BigInteger g = TlsDHUtils.readDHParameter(sigIn);
        BigInteger Ys = TlsDHUtils.readDHParameter(sigIn);

        byte[] sigBytes = TlsUtils.readOpaque16(input);
        if (!signer.verifySignature(sigBytes))
        {
            throw new TlsFatalAlert(AlertDescription.decrypt_error);
        }

        this.dhAgreeServerPublicKey = validateDHPublicKey(new DHPublicKeyParameters(Ys, new DHParameters(p, g)));
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    {

        // Note: Only use the SHA1 part of the hash
        Signer signer = makeSigner(new NullDigest(), false, publicKey);
        signer.update(md5AndSha1, 16, 20);
        return signer.verifySignature(sigBytes);
    }

    public Signer createSigner(AsymmetricKeyParameter privateKey)
    {
        return makeSigner(new SHA1Digest(), true, new ParametersWithRandom(privateKey, this.context.getSecureRandom()));
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                    return publicKey.getKeyID();
                }

                public boolean verify(byte[] expected)
                {
                    return signer.verifySignature(expected);
                }

                public OutputStream getOutputStream()
                {
                    return new SignerOutputStream(signer);
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