.BI "KEYMGMT " which "-keyring " file " key " tag " unknown-bulk-transform " bulk
The key specifies the use of an unknown bulk-crypto transform
.IR bulk .
-Maybe the key was generated wrongly, or maybe the version of Catacomb
-installed is too old.
+Maybe the key was generated wrongly, or maybe the version of
+.BR tripe (8)
+is too old.
.SP
.BI "KEYMGMT " which "-keyring " file " key " tag " unknown-cipher " cipher
The key specifies the use of an unknown symmetric encryption algorithm
.BI "KEYMGMT " which "-keyring " file " key " tag " unknown-serialization-format " ser
The key specifies the use of an unknown serialization format
.I ser
-for hashing group elements. Maybe the key was generated wrongly.
+for hashing group elements. Maybe the key was generated wrongly, or
+maybe the version of
+.BR tripe (8)
+is too old.
.SP
.BI "KEYMGMT " which "-keyring " file " key " tag " unsuitable-aead-cipher " cipher "no-aad"
The key specifies the use of an authenticated encryption scheme