progs/catcrypt.c: Support the use of AEAD schemes.

[catacomb] / progs / catcrypt.1

diff --git a/progs/catcrypt.1 b/progs/catcrypt.1
index d55b7bf..97367a5 100644 (file)
--- a/progs/catcrypt.1
+++ b/progs/catcrypt.1
@@ -256,6 +256,15 @@ is
 .BR blowfish-cbc .
 This is the default transform.
 .TP
+.B aead
+Use an `authenticated encryption with additional data' (AEAD) scheme.
+The specific scheme is named by the
+.B cipher
+attribute.  Run
+.B catcrypt show aead
+for a list of supported AEAD schemes; the default is
+.BR chacha20-poly1305 .
+.TP
 .B naclbox
 Use Salsa20 or ChaCha and Poly1305 to secure the bulk data.
 This is nearly the same as the NaCl