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/modes/aead/eax/eax.cpp b/src/lib/modes/aead/eax/eax.cpp
index 00253e405..1a31c3cff 100644
--- a/src/lib/modes/aead/eax/eax.cpp
+++ b/src/lib/modes/aead/eax/eax.cpp
@@ -184,7 +184,7 @@ void EAX_Decryption::finish(secure_vector<uint8_t>& buffer, size_t offset)
    mac ^= m_ad_mac;
 
    if(!constant_time_compare(mac.data(), included_tag, tag_size()))
-      throw Integrity_Failure("EAX tag check failed");
+      throw Invalid_Authentication_Tag("EAX tag check failed");
 
    buffer.resize(offset + remaining);