7 files changed, 58 insertions, 6 deletions
diff --git a/doc/man/libkeccak_degeneralise_spec.3 b/doc/man/libkeccak_degeneralise_spec.3
index f5f2c08..de98fec 100644
--- a/doc/man/libkeccak_degeneralise_spec.3
+++ b/doc/man/libkeccak_degeneralise_spec.3
@@ -109,7 +109,8 @@ if ((r = libkeccak_spec_check(&spec)));
 .BR libkeccak_spec_sha3 (3),
 .BR libkeccak_spec_rawshake (3),
 .BR libkeccak_spec_shake (3),
-.BR libkeccak_state_initialise (3)
+.BR libkeccak_state_initialise (3),
+.BR libkeccak_hmac_initialise (3)
 .SH AUTHORS
 Principal author, Mattias Andrée.  See the LICENSE file for the full
 list of authors.
diff --git a/doc/man/libkeccak_hmac_initialise.3 b/doc/man/libkeccak_hmac_initialise.3
new file mode 100644
index 0000000..d25ba40
--- /dev/null
+++ b/doc/man/libkeccak_hmac_initialise.3
@@ -0,0 +1,46 @@
+.TH LIBKECCAK_HMAC_INITIALISE 3 LIBKECCAK-%VERSION%
+.SH NAME
+libkeccak_hmac_initialise - Initialise HMAC-hashing state
+.SH SYNOPSIS
+.LP
+.nf
+#include <libkeccak.h>
+.P
+int libkeccak_hmac_initialise(libkeccak_hmac_state_t *\fIstate\fP,
+                              const libkeccak_spec_t *\fIspec\fP,
+                              const char *\fIkey\fP, size_t \fIkey_length\fP);
+.fi
+.P
+Link with \fI-lkeccak\fP.
+.SH DESCRIPTION
+The
+.BR libkeccak_hmac_initialise ()
+function initialises \fI*state\fP and sets the algorithm
+tuning parameters to those specified by \fI*spec\fP,
+and the key to \fIkey\fP of length \fIkey_length\fP.
+.SH RETURN VALUES
+The
+.BR libkeccak_hmac_initialise ()
+function return 0 upon successful completion.
+On error, -1 is returned and \fIerrno\fP is set to describe
+the error.
+.SH ERRORS
+The
+.BR libkeccak_hmac_initialise ()
+function may fail for any specified for the functions
+.BR malloc (3)
+and
+.BR realloc (3).
+.SH SEE ALSO
+.BR libkeccak_spec_sha3 (3),
+.BR libkeccak_spec_shake (3),
+.BR libkeccak_spec_rawshake (3),
+.BR libkeccak_spec_check (3),
+.BR libkeccak_generalised_spec_initialise (3),
+.BR libkeccak_state_initialise (3)
+.SH AUTHORS
+Principal author, Mattias Andrée.  See the LICENSE file for the full
+list of authors.
+.SH BUGS
+Please report bugs to https://github.com/maandree/libkeccak/issues or to
+maandree@member.fsf.org
diff --git a/doc/man/libkeccak_spec_check.3 b/doc/man/libkeccak_spec_check.3
index 1caceaa..d27a0af 100644
--- a/doc/man/libkeccak_spec_check.3
+++ b/doc/man/libkeccak_spec_check.3
@@ -85,7 +85,8 @@ function cannot fail.
 .BR libkeccak_spec_rawshake (3),
 .BR libkeccak_spec_shake (3),
 .BR libkeccak_generalised_spec_initialise (3),
-.BR libkeccak_state_initialise (3)
+.BR libkeccak_state_initialise (3),
+.BR libkeccak_hmac_initialise (3)
 .SH AUTHORS
 Principal author, Mattias Andrée.  See the LICENSE file for the full
 list of authors.
diff --git a/doc/man/libkeccak_spec_rawshake.3 b/doc/man/libkeccak_spec_rawshake.3
index 8a47196..d085b81 100644
--- a/doc/man/libkeccak_spec_rawshake.3
+++ b/doc/man/libkeccak_spec_rawshake.3
@@ -38,7 +38,8 @@ libkeccak_spec_rawshake(&spec, 256, 512);
 .BR libkeccak_spec_shake (3),
 .BR libkeccak_spec_check (3),
 .BR libkeccak_generalised_spec_initialise (3),
-.BR libkeccak_state_initialise (3)
+.BR libkeccak_state_initialise (3),
+.BR libkeccak_hmac_initialise (3)
 .SH AUTHORS
 Principal author, Mattias Andrée.  See the LICENSE file for the full
 list of authors.
diff --git a/doc/man/libkeccak_spec_sha3.3 b/doc/man/libkeccak_spec_sha3.3
index 747443d..87151f3 100644
--- a/doc/man/libkeccak_spec_sha3.3
+++ b/doc/man/libkeccak_spec_sha3.3
@@ -37,7 +37,8 @@ libkeccak_spec_sha3(&spec, 256);
 .BR libkeccak_spec_shake (3),
 .BR libkeccak_spec_check (3),
 .BR libkeccak_generalised_spec_initialise (3),
-.BR libkeccak_state_initialise (3)
+.BR libkeccak_state_initialise (3),
+.BR libkeccak_hmac_initialise (3)
 .SH AUTHORS
 Principal author, Mattias Andrée.  See the LICENSE file for the full
 list of authors.
diff --git a/doc/man/libkeccak_spec_shake.3 b/doc/man/libkeccak_spec_shake.3
index 33f2272..13695ea 100644
--- a/doc/man/libkeccak_spec_shake.3
+++ b/doc/man/libkeccak_spec_shake.3
@@ -38,7 +38,8 @@ libkeccak_spec_shake(&spec, 256, 512);
 .BR libkeccak_spec_rawshake (3),
 .BR libkeccak_spec_check (3),
 .BR libkeccak_generalised_spec_initialise (3),
-.BR libkeccak_state_initialise (3)
+.BR libkeccak_state_initialise (3),
+.BR libkeccak_hmac_initialise (3)
 .SH AUTHORS
 Principal author, Mattias Andrée.  See the LICENSE file for the full
 list of authors.
diff --git a/doc/man/libkeccak_state_initialise.3 b/doc/man/libkeccak_state_initialise.3
index 5618fb8..230338e 100644
--- a/doc/man/libkeccak_state_initialise.3
+++ b/doc/man/libkeccak_state_initialise.3
@@ -47,7 +47,8 @@ function may fail for any specified for the function
 .BR libkeccak_spec_rawshake (3),
 .BR libkeccak_spec_check (3),
 .BR libkeccak_generalised_spec_initialise (3),
-.BR libkeccak_state_marshal_size (3)
+.BR libkeccak_state_marshal_size (3),
+.BR libkeccak_hmac_initialise (3)
 .SH AUTHORS
 Principal author, Mattias Andrée.  See the LICENSE file for the full
 list of authors.