If the Keyed_Filter's set_iv is called (ie, in the case that the1.9.9

filter doesn't support IVs at all), throw an exception unless the IV
has zero length.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/filters/basefilt.cpp b/src/filters/basefilt.cpp
index 008d04b02..dfb81386b 100644
--- a/src/filters/basefilt.cpp
+++ b/src/filters/basefilt.cpp
@@ -10,9 +10,10 @@
 
 namespace Botan {
 
-void Keyed_Filter::set_iv(const InitializationVector&)
+void Keyed_Filter::set_iv(const InitializationVector& iv)
    {
-   // assert that the iv is empty?
+   if(iv.length() != 0)
+      throw Invalid_IV_Length(name(), iv.length());
    }
 
 /*