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package org.spongycastle.cms.jcajce;
import java.security.Provider;
import java.security.PublicKey;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import org.spongycastle.cert.X509CertificateHolder;
import org.spongycastle.cms.DefaultCMSSignatureAlgorithmNameGenerator;
import org.spongycastle.cms.SignerInformationVerifier;
import org.spongycastle.operator.ContentVerifierProvider;
import org.spongycastle.operator.DefaultSignatureAlgorithmIdentifierFinder;
import org.spongycastle.operator.DigestCalculatorProvider;
import org.spongycastle.operator.OperatorCreationException;
import org.spongycastle.operator.jcajce.JcaContentVerifierProviderBuilder;
import org.spongycastle.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);
}
}
}
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