1 files changed, 0 insertions, 36 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/bc/BcKeyTransRecipient.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/bc/BcKeyTransRecipient.java
deleted file mode 100644
index ab50269d7..000000000
--- a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/bc/BcKeyTransRecipient.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package org.spongycastle.cms.bc;
-
-import org.spongycastle.asn1.x509.AlgorithmIdentifier;
-import org.spongycastle.cms.CMSException;
-import org.spongycastle.cms.KeyTransRecipient;
-import org.spongycastle.crypto.CipherParameters;
-import org.spongycastle.crypto.params.AsymmetricKeyParameter;
-import org.spongycastle.operator.AsymmetricKeyUnwrapper;
-import org.spongycastle.operator.OperatorException;
-import org.spongycastle.operator.bc.BcRSAAsymmetricKeyUnwrapper;
-
-public abstract class BcKeyTransRecipient
-    implements KeyTransRecipient
-{
-    private AsymmetricKeyParameter recipientKey;
-
-    public BcKeyTransRecipient(AsymmetricKeyParameter recipientKey)
-    {
-        this.recipientKey = recipientKey;
-    }
-
-    protected CipherParameters extractSecretKey(AlgorithmIdentifier keyEncryptionAlgorithm, AlgorithmIdentifier encryptedKeyAlgorithm, byte[] encryptedEncryptionKey)
-        throws CMSException
-    {
-        AsymmetricKeyUnwrapper unwrapper = new BcRSAAsymmetricKeyUnwrapper(keyEncryptionAlgorithm, recipientKey);
-
-        try
-        {
-            return CMSUtils.getBcKey(unwrapper.generateUnwrappedKey(encryptedKeyAlgorithm, encryptedEncryptionKey));
-        }
-        catch (OperatorException e)
-        {
-            throw new CMSException("exception unwrapping key: " + e.getMessage(), e);
-        }
-    }
-}