1 files changed, 0 insertions, 75 deletions
diff --git a/pkix/src/main/java/org/bouncycastle/cms/bc/BcPasswordRecipient.java b/pkix/src/main/java/org/bouncycastle/cms/bc/BcPasswordRecipient.java
deleted file mode 100644
index 50f9c6c0..00000000
--- a/pkix/src/main/java/org/bouncycastle/cms/bc/BcPasswordRecipient.java
+++ /dev/null
@@ -1,75 +0,0 @@
-package org.bouncycastle.cms.bc;
-
-import org.bouncycastle.asn1.ASN1OctetString;
-import org.bouncycastle.asn1.pkcs.PBKDF2Params;
-import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
-import org.bouncycastle.cms.CMSException;
-import org.bouncycastle.cms.PasswordRecipient;
-import org.bouncycastle.crypto.InvalidCipherTextException;
-import org.bouncycastle.crypto.Wrapper;
-import org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator;
-import org.bouncycastle.crypto.params.KeyParameter;
-import org.bouncycastle.crypto.params.ParametersWithIV;
-
-/**
- * the RecipientInfo class for a recipient who has been sent a message
- * encrypted using a password.
- */
-public abstract class BcPasswordRecipient
-    implements PasswordRecipient
-{
-    private int schemeID = PasswordRecipient.PKCS5_SCHEME2_UTF8;
-    private char[] password;
-
-    BcPasswordRecipient(
-        char[] password)
-    {
-        this.password = password;
-    }
-
-    public BcPasswordRecipient setPasswordConversionScheme(int schemeID)
-    {
-        this.schemeID = schemeID;
-
-        return this;
-    }
-
-    protected KeyParameter extractSecretKey(AlgorithmIdentifier keyEncryptionAlgorithm, AlgorithmIdentifier contentEncryptionAlgorithm, byte[] derivedKey, byte[] encryptedContentEncryptionKey)
-        throws CMSException
-    {
-        Wrapper keyEncryptionCipher = EnvelopedDataHelper.createRFC3211Wrapper(keyEncryptionAlgorithm.getAlgorithm());
-
-        keyEncryptionCipher.init(false, new ParametersWithIV(new KeyParameter(derivedKey), ASN1OctetString.getInstance(keyEncryptionAlgorithm.getParameters()).getOctets()));
-
-        try
-        {
-            return new KeyParameter(keyEncryptionCipher.unwrap(encryptedContentEncryptionKey, 0, encryptedContentEncryptionKey.length));
-        }
-        catch (InvalidCipherTextException e)
-        {
-            throw new CMSException("unable to unwrap key: " + e.getMessage(), e);
-        }
-    }
-
-    public byte[] calculateDerivedKey(byte[] encodedPassword, AlgorithmIdentifier derivationAlgorithm, int keySize)
-        throws CMSException
-    {
-        PBKDF2Params params = PBKDF2Params.getInstance(derivationAlgorithm.getParameters());
-
-        PKCS5S2ParametersGenerator gen = new PKCS5S2ParametersGenerator();
-
-        gen.init(encodedPassword, params.getSalt(), params.getIterationCount().intValue());
-
-        return ((KeyParameter)gen.generateDerivedParameters(keySize)).getKey();
-    }
-
-    public int getPasswordConversionScheme()
-    {
-        return schemeID;
-    }
-
-    public char[] getPassword()
-    {
-        return password;
-    }
-}