Example usage for org.bouncycastle.operator ContentVerifier ContentVerifier

Introduction

In this page you can find the example usage for org.bouncycastle.operator ContentVerifier ContentVerifier.

Prototype

ContentVerifier

Source Link

Usage

From source file:org.xwiki.crypto.signer.internal.DefaultBcContentVerifierProviderBuilder.java

License:Open Source License

private ContentVerifier getInstance(CipherParameters parameters, final AlgorithmIdentifier algId) {
    SignerFactory factory = getFactory(algId.getAlgorithm().getId());

    if (factory instanceof BcSignerFactory) {
        return (ContentVerifier) ((BcSignerFactory) factory).getInstance(false, parameters, algId);
    }//from  w  w w . j ava 2s  .  c o m

    final org.xwiki.crypto.signer.Signer signer;
    try {
        signer = factory.getInstance(false, parameters, algId.getEncoded());
    } catch (IOException e) {
        // Unlikely
        throw new IllegalArgumentException("Unable to encode algorithm identifier.");
    }

    return new ContentVerifier() {
        @Override
        public AlgorithmIdentifier getAlgorithmIdentifier() {
            return algId;
        }

        @Override
        public OutputStream getOutputStream() {
            return signer.getOutputStream();
        }

        @Override
        public boolean verify(byte[] bytes) {
            return DefaultBcContentVerifierProviderBuilder.verify(signer, bytes);
        }
    };
}

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