1 files changed, 7 insertions, 0 deletions
diff --git a/src/lib/stream/stream_cipher.h b/src/lib/stream/stream_cipher.h
index e08bee0ce..e41cdaa6d 100644
--- a/src/lib/stream/stream_cipher.h
+++ b/src/lib/stream/stream_cipher.h
@@ -86,6 +86,13 @@ class BOTAN_DLL StreamCipher : public SymmetricAlgorithm
       */
       virtual void seek(u64bit offset) = 0;
 
+      /**
+      * @return provider information about this implementation. Default is "base",
+      * might also return "sse2", "avx2", "openssl", or some other arbitrary string.
+      * The return value is guaranteed to point to a string literal constant.
+      */
+      virtual const char* provider() const { return "base"; }
+
       StreamCipher();
       virtual ~StreamCipher();
    };