1 files changed, 68 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/JcaSignerInfoGeneratorBuilder.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/JcaSignerInfoGeneratorBuilder.java
new file mode 100644
index 000000000..79ad9070e
--- /dev/null
+++ b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/JcaSignerInfoGeneratorBuilder.java
@@ -0,0 +1,68 @@
+package org.spongycastle.cms.jcajce;
+
+import java.security.cert.CertificateEncodingException;
+import java.security.cert.X509Certificate;
+
+import org.spongycastle.cert.X509CertificateHolder;
+import org.spongycastle.cert.jcajce.JcaX509CertificateHolder;
+import org.spongycastle.cms.CMSAttributeTableGenerator;
+import org.spongycastle.cms.SignerInfoGenerator;
+import org.spongycastle.cms.SignerInfoGeneratorBuilder;
+import org.spongycastle.operator.ContentSigner;
+import org.spongycastle.operator.DigestCalculatorProvider;
+import org.spongycastle.operator.OperatorCreationException;
+
+public class JcaSignerInfoGeneratorBuilder
+{
+    private SignerInfoGeneratorBuilder builder;
+
+    public JcaSignerInfoGeneratorBuilder(DigestCalculatorProvider digestProvider)
+    {
+        builder = new SignerInfoGeneratorBuilder(digestProvider);
+    }
+
+    /**
+     * If the passed in flag is true, the signer signature will be based on the data, not
+     * a collection of signed attributes, and no signed attributes will be included.
+     *
+     * @return the builder object
+     */
+    public JcaSignerInfoGeneratorBuilder setDirectSignature(boolean hasNoSignedAttributes)
+    {
+        builder.setDirectSignature(hasNoSignedAttributes);
+
+        return this;
+    }
+
+    public JcaSignerInfoGeneratorBuilder setSignedAttributeGenerator(CMSAttributeTableGenerator signedGen)
+    {
+        builder.setSignedAttributeGenerator(signedGen);
+
+        return this;
+    }
+
+    public JcaSignerInfoGeneratorBuilder setUnsignedAttributeGenerator(CMSAttributeTableGenerator unsignedGen)
+    {
+        builder.setUnsignedAttributeGenerator(unsignedGen);
+
+        return this;
+    }
+
+    public SignerInfoGenerator build(ContentSigner contentSigner, X509CertificateHolder certHolder)
+        throws OperatorCreationException
+    {
+        return builder.build(contentSigner, certHolder);
+    }
+
+    public SignerInfoGenerator build(ContentSigner contentSigner, byte[] keyIdentifier)
+        throws OperatorCreationException
+    {
+        return builder.build(contentSigner, keyIdentifier);
+    }
+
+    public SignerInfoGenerator build(ContentSigner contentSigner, X509Certificate certificate)
+        throws OperatorCreationException, CertificateEncodingException
+    {
+        return this.build(contentSigner, new JcaX509CertificateHolder(certificate));
+    }
+}