Rename Integrity_Failure to Invalid_Authentication_Tag

This makes the meaning and usage more clear.

Add a specific error type so invalid tags can be distinguished without
having to catch that specific type.

See also #1813

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/ffi/ffi_cipher.cpp b/src/lib/ffi/ffi_cipher.cpp
index dc340ea61..3c74a524f 100644
--- a/src/lib/ffi/ffi_cipher.cpp
+++ b/src/lib/ffi/ffi_cipher.cpp
@@ -128,7 +128,7 @@ int botan_cipher_update(botan_cipher_t cipher_obj,
             {
             cipher.finish(mbuf);
             }
-         catch(Integrity_Failure&)
+         catch(Invalid_Authentication_Tag&)
             {
             return BOTAN_FFI_ERROR_BAD_MAC;
             }