1 files changed, 66 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/jdk1.1/org/spongycastle/cms/jcajce/JcePasswordRecipientInfoGenerator.java b/libraries/spongycastle/pkix/src/main/jdk1.1/org/spongycastle/cms/jcajce/JcePasswordRecipientInfoGenerator.java
new file mode 100644
index 000000000..e1306fd9e
--- /dev/null
+++ b/libraries/spongycastle/pkix/src/main/jdk1.1/org/spongycastle/cms/jcajce/JcePasswordRecipientInfoGenerator.java
@@ -0,0 +1,66 @@
+package org.spongycastle.cms.jcajce;
+
+import java.security.GeneralSecurityException;
+import java.security.Key;
+import java.security.Provider;
+import java.security.InvalidKeyException;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+
+import org.spongycastle.asn1.ASN1ObjectIdentifier;
+import org.spongycastle.asn1.ASN1OctetString;
+import org.spongycastle.asn1.x509.AlgorithmIdentifier;
+import org.spongycastle.cms.CMSException;
+import org.spongycastle.cms.PasswordRecipientInfoGenerator;
+import org.spongycastle.operator.GenericKey;
+
+public class JcePasswordRecipientInfoGenerator
+    extends PasswordRecipientInfoGenerator
+{
+    private EnvelopedDataHelper helper = new EnvelopedDataHelper(new DefaultJcaJceExtHelper());
+
+    public JcePasswordRecipientInfoGenerator(ASN1ObjectIdentifier kekAlgorithm, char[] password)
+    {
+        super(kekAlgorithm, password);
+    }
+
+    public JcePasswordRecipientInfoGenerator setProvider(Provider provider)
+    {
+        this.helper = new EnvelopedDataHelper(new ProviderJcaJceExtHelper(provider));
+
+        return this;
+    }
+
+    public JcePasswordRecipientInfoGenerator setProvider(String providerName)
+    {
+        this.helper = new EnvelopedDataHelper(new NamedJcaJceExtHelper(providerName));
+
+        return this;
+    }
+
+    public byte[] generateEncryptedBytes(AlgorithmIdentifier keyEncryptionAlgorithm, byte[] derivedKey, GenericKey contentEncryptionKey)
+        throws CMSException
+    {
+        Key contentEncryptionKeySpec = helper.getJceKey(contentEncryptionKey);
+        Cipher keyEncryptionCipher = helper.createRFC3211Wrapper(keyEncryptionAlgorithm.getAlgorithm());
+
+        try
+        {
+            IvParameterSpec ivSpec = new IvParameterSpec(ASN1OctetString.getInstance(keyEncryptionAlgorithm.getParameters()).getOctets());
+
+            keyEncryptionCipher.init(Cipher.WRAP_MODE, new SecretKeySpec(derivedKey, keyEncryptionCipher.getAlgorithm()), ivSpec);
+
+            return keyEncryptionCipher.wrap(contentEncryptionKeySpec);
+        }
+        catch (InvalidKeyException e)
+        {
+            throw new CMSException("cannot process content encryption key: " + e.getMessage(), e);
+        }
+        catch (GeneralSecurityException e)
+        {
+            throw new CMSException("cannot process content encryption key: " + e.getMessage(), e);
+        }
+    }
+}