2006-07-16 Raif S. Naffah <raif@swiftdsl.com.au>

	* gnu/javax/crypto/jce/params/BlockCipherParameters.java
	(engineGetParameterSpec): Should be able to return an IvParameterSpec.

2 files changed, 12 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 0bca6da5b..4d6752b8c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2006-07-16  Raif S. Naffah  <raif@swiftdsl.com.au>
 
+	* gnu/javax/crypto/jce/params/BlockCipherParameters.java
+	(engineGetParameterSpec): Should be able to return an IvParameterSpec.
+
+2006-07-16  Raif S. Naffah  <raif@swiftdsl.com.au>
+
 	* gnu/javax/crypto/cipher/DES.java (adjustParity): Index limit now takes
 	offset into consideration.
 
diff --git a/gnu/javax/crypto/jce/params/BlockCipherParameters.java b/gnu/javax/crypto/jce/params/BlockCipherParameters.java
index 4ed3015fd..a85c96223 100644
--- a/gnu/javax/crypto/jce/params/BlockCipherParameters.java
+++ b/gnu/javax/crypto/jce/params/BlockCipherParameters.java
@@ -49,6 +49,8 @@ import java.security.spec.AlgorithmParameterSpec;
 import java.security.spec.InvalidParameterSpecException;
 import java.util.logging.Logger;
 
+import javax.crypto.spec.IvParameterSpec;
+
 /**
  * An implementation of algorithm parameters for the GNU block ciphers. This
  * encompasses the cipher's block size, its key size, and an optional
@@ -132,6 +134,11 @@ public class BlockCipherParameters
   {
     if (c.isInstance(cipherSpec))
       return cipherSpec;
+    if (IvParameterSpec.class.isAssignableFrom(c))
+      {
+        IvParameterSpec result = new IvParameterSpec(cipherSpec.getIV());
+        return result;
+      }
     throw new InvalidParameterSpecException();
   }