org.bouncycastle.cms.jcajce.JcaSimpleSignerInfoVerifierBuilder.java Source code

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Here is the source code for org.bouncycastle.cms.jcajce.JcaSimpleSignerInfoVerifierBuilder.java

Source

package org.bouncycastle.cms.jcajce;

import java.security.Provider;
import java.security.PublicKey;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import org.bouncycastle.cert.X509CertificateHolder;
import org.bouncycastle.cms.DefaultCMSSignatureAlgorithmNameGenerator;
import org.bouncycastle.cms.SignerInformationVerifier;
import org.bouncycastle.operator.ContentVerifierProvider;
import org.bouncycastle.operator.DefaultSignatureAlgorithmIdentifierFinder;
import org.bouncycastle.operator.DigestCalculatorProvider;
import org.bouncycastle.operator.OperatorCreationException;
import org.bouncycastle.operator.jcajce.JcaContentVerifierProviderBuilder;
import org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder;

public class JcaSimpleSignerInfoVerifierBuilder {
    private Helper helper = new Helper();

    public JcaSimpleSignerInfoVerifierBuilder setProvider(Provider provider) {
        this.helper = new ProviderHelper(provider);

        return this;
    }

    public JcaSimpleSignerInfoVerifierBuilder setProvider(String providerName) {
        this.helper = new NamedHelper(providerName);

        return this;
    }

    public SignerInformationVerifier build(X509CertificateHolder certHolder)
            throws OperatorCreationException, CertificateException {
        return new SignerInformationVerifier(new DefaultCMSSignatureAlgorithmNameGenerator(),
                new DefaultSignatureAlgorithmIdentifierFinder(), helper.createContentVerifierProvider(certHolder),
                helper.createDigestCalculatorProvider());
    }

    public SignerInformationVerifier build(X509Certificate certificate) throws OperatorCreationException {
        return new SignerInformationVerifier(new DefaultCMSSignatureAlgorithmNameGenerator(),
                new DefaultSignatureAlgorithmIdentifierFinder(), helper.createContentVerifierProvider(certificate),
                helper.createDigestCalculatorProvider());
    }

    public SignerInformationVerifier build(PublicKey pubKey) throws OperatorCreationException {
        return new SignerInformationVerifier(new DefaultCMSSignatureAlgorithmNameGenerator(),
                new DefaultSignatureAlgorithmIdentifierFinder(), helper.createContentVerifierProvider(pubKey),
                helper.createDigestCalculatorProvider());
    }

    private class Helper {
        ContentVerifierProvider createContentVerifierProvider(PublicKey publicKey)
                throws OperatorCreationException {
            return new JcaContentVerifierProviderBuilder().build(publicKey);
        }

        ContentVerifierProvider createContentVerifierProvider(X509Certificate certificate)
                throws OperatorCreationException {
            return new JcaContentVerifierProviderBuilder().build(certificate);
        }

        ContentVerifierProvider createContentVerifierProvider(X509CertificateHolder certHolder)
                throws OperatorCreationException, CertificateException {
            return new JcaContentVerifierProviderBuilder().build(certHolder);
        }

        DigestCalculatorProvider createDigestCalculatorProvider() throws OperatorCreationException {
            return new JcaDigestCalculatorProviderBuilder().build();
        }
    }

    private class NamedHelper extends Helper {
        private final String providerName;

        public NamedHelper(String providerName) {
            this.providerName = providerName;
        }

        ContentVerifierProvider createContentVerifierProvider(PublicKey publicKey)
                throws OperatorCreationException {
            return new JcaContentVerifierProviderBuilder().setProvider(providerName).build(publicKey);
        }

        ContentVerifierProvider createContentVerifierProvider(X509Certificate certificate)
                throws OperatorCreationException {
            return new JcaContentVerifierProviderBuilder().setProvider(providerName).build(certificate);
        }

        DigestCalculatorProvider createDigestCalculatorProvider() throws OperatorCreationException {
            return new JcaDigestCalculatorProviderBuilder().setProvider(providerName).build();
        }

        ContentVerifierProvider createContentVerifierProvider(X509CertificateHolder certHolder)
                throws OperatorCreationException, CertificateException {
            return new JcaContentVerifierProviderBuilder().setProvider(providerName).build(certHolder);
        }
    }

    private class ProviderHelper extends Helper {
        private final Provider provider;

        public ProviderHelper(Provider provider) {
            this.provider = provider;
        }

        ContentVerifierProvider createContentVerifierProvider(PublicKey publicKey)
                throws OperatorCreationException {
            return new JcaContentVerifierProviderBuilder().setProvider(provider).build(publicKey);
        }

        ContentVerifierProvider createContentVerifierProvider(X509Certificate certificate)
                throws OperatorCreationException {
            return new JcaContentVerifierProviderBuilder().setProvider(provider).build(certificate);
        }

        DigestCalculatorProvider createDigestCalculatorProvider() throws OperatorCreationException {
            return new JcaDigestCalculatorProviderBuilder().setProvider(provider).build();
        }

        ContentVerifierProvider createContentVerifierProvider(X509CertificateHolder certHolder)
                throws OperatorCreationException, CertificateException {
            return new JcaContentVerifierProviderBuilder().setProvider(provider).build(certHolder);
        }
    }
}