Add checks that keyed algorithms are actually keyed before use

Previously calling update or encrypt without calling set_key first
would result in invalid outputs or else crashing.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/modes/aead/gcm/ghash.cpp b/src/lib/modes/aead/gcm/ghash.cpp
index 51477f43a..482eec335 100644
--- a/src/lib/modes/aead/gcm/ghash.cpp
+++ b/src/lib/modes/aead/gcm/ghash.cpp
@@ -199,7 +199,7 @@ void GHASH::set_associated_data(const uint8_t input[], size_t length)
 
 void GHASH::update_associated_data(const uint8_t ad[], size_t length)
    {
-   BOTAN_ASSERT(m_ghash.size() == GCM_BS, "Key was set");
+   verify_key_set(m_ghash.size() == GCM_BS);
    m_ad_len += length;
    ghash_update(m_ghash, ad, length);
    }