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authorMattias Andrée <maandree@kth.se>2019-02-11 16:22:00 +0100
committerMattias Andrée <maandree@kth.se>2019-02-11 16:22:00 +0100
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tree5789ad5798f2dbf21d9406a2942e48b222f773ae /libkeccak_hmac_create.3
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Split most .c files into one per function and flatten file hierarchy
Signed-off-by: Mattias Andrée <maandree@kth.se>
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+.TH LIBKECCAK_HMAC_CREATE 3 LIBKECCAK
+.SH NAME
+libkeccak_hmac_create - Allocate and initialise HMAC-hashing state
+.SH SYNOPSIS
+.nf
+#include <libkeccak.h>
+
+libkeccak_hmac_state_t *libkeccak_hmac_create(const libkeccak_spec_t *\fIspec\fP, const void *\fIkey\fP, size_t \fIkey_length\fP);
+.fi
+.PP
+Link with
+.IR -lkeccak .
+.SH DESCRIPTION
+The
+.BR libkeccak_hmac_create ()
+function allocates a new
+.I libkeccak_hmac_state_t*
+with one initialised element, and sets the
+algorithm tuning parameters to those specified by
+.IR *spec ,
+and the key to
+.I key
+of length
+.IR key_length .
+.SH RETURN VALUES
+The
+.BR libkeccak_hmac_create ()
+function returns a newly allocated
+.I libkeccak_hmac_state_t*
+(of one initialised element) upon successful completion.
+On error,
+.I NULL
+is returned and
+.I errno
+is set to describe the error.
+.SH ERRORS
+The
+.BR libkeccak_hmac_create ()
+function may fail for any specified for the functions
+.BR malloc (3)
+and
+.BR realloc (3).
+.SH SEE ALSO
+.BR libkeccak_hmac_initialise (3),
+.BR libkeccak_hmac_free (3),
+.BR libkeccak_hmac_fast_free (3),
+.BR libkeccak_hmac_duplicate (3)