JcaDigestCalculatorProviderBuilder digestCalculatorProviderBuilder = new JcaDigestCalculatorProviderBuilder();
digestCalculatorProviderBuilder.setProvider(BouncyCastleProviderHelper.PROVIDER_NAME);
DigestCalculatorProvider digestCalculatorProvider = digestCalculatorProviderBuilder.build();
SignatureAlgorithmIdentifierFinder signatureAlgorithmIdentifierFinder = new DefaultSignatureAlgorithmIdentifierFinder();
CMSSignatureAlgorithmNameGenerator signatureAlgorithmNameGenerator = new DefaultCMSSignatureAlgorithmNameGenerator();
signerInformationVerifier = new SignerInformationVerifier(signatureAlgorithmNameGenerator, signatureAlgorithmIdentifierFinder, contentVerifierProvider, digestCalculatorProvider);
}
try {