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-rw-r--r--libkeccak_zerocopy_digest.318
1 files changed, 17 insertions, 1 deletions
diff --git a/libkeccak_zerocopy_digest.3 b/libkeccak_zerocopy_digest.3
index 2d63df3..6b752fb 100644
--- a/libkeccak_zerocopy_digest.3
+++ b/libkeccak_zerocopy_digest.3
@@ -57,7 +57,9 @@ or \(dq\(dq is used. For the other algorithms the constants
.B LIBKECCAK_RAWSHAKE_SUFFIX
(for RawSHAKE), and
.B LIBKECCAK_SHAKE_SUFFIX
-(for SHAKE) are used.
+(for SHAKE), or the return of the
+.BR libkeccak_cshake_suffix (3)
+function (for cSHAKE), are used.
.PP
The hash of the message will be stored to
.IR hashsum ,
@@ -107,12 +109,26 @@ or
functions, with the same
.I state
argument, may cause the message to be misread.
+.SH NOTES
+For cSHAKE, the
+.BR libkeccak_cshake_initialise (3),
+must be called, once, immediately after
+state initialisation; before the first
+call to any of the
+.BR libkeccak_fast_update (),
+.BR libkeccak_zerocopy_update (),
+.BR libkeccak_update (),
+and
+.BR libkeccak_zerocopy_digest ()
+functions.
.SH SEE ALSO
.BR libkeccak_state_initialise (3),
+.BR libkeccak_cshake_initialise (3),
.BR libkeccak_zerocopy_chunksize (3),
.BR libkeccak_fast_update (3),
.BR libkeccak_zerocopy_update (3),
.BR libkeccak_update (3),
+.BR libkeccak_cshake_suffix (3),
.BR libkeccak_digest (3),
.BR libkeccak_zerocopy_digest (3),
.BR libkeccak_simple_squeeze (3),