2 files changed, 6 insertions, 5 deletions
diff --git a/src/stream/ofb/ofb.cpp b/src/stream/ofb/ofb.cpp
index 1f25c5c14..382a2b4dd 100644
--- a/src/stream/ofb/ofb.cpp
+++ b/src/stream/ofb/ofb.cpp
@@ -14,11 +14,7 @@ namespace Botan {
 /*
 * OFB Constructor
 */
-OFB::OFB(BlockCipher* ciph) :
-   StreamCipher(ciph->MINIMUM_KEYLENGTH,
-                ciph->MAXIMUM_KEYLENGTH,
-                ciph->KEYLENGTH_MULTIPLE),
-   permutation(ciph)
+OFB::OFB(BlockCipher* ciph) : permutation(ciph)
    {
    position = 0;
    buffer.resize(permutation->block_size());
diff --git a/src/stream/ofb/ofb.h b/src/stream/ofb/ofb.h
index 587a30bab..c4d8b2601 100644
--- a/src/stream/ofb/ofb.h
+++ b/src/stream/ofb/ofb.h
@@ -26,6 +26,11 @@ class BOTAN_DLL OFB : public StreamCipher
       bool valid_iv_length(size_t iv_len) const
          { return (iv_len <= permutation->block_size()); }
 
+      Key_Length_Specification key_spec() const
+         {
+         return permutation->key_spec();
+         }
+
       std::string name() const;
 
       OFB* clone() const