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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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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_FREE 3 LIBKECCAK
+.SH NAME
+libkeccak_hmac_free - Destroys and deallocates an HMAC-hashing state with erasure
+.SH SYNOPSIS
+.nf
+#include <libkeccak.h>
+
+void libkeccak_hmac_free(libkeccak_hmac_state_t *\fIstate\fP);
+.fi
+.PP
+Link with
+.IR -lkeccak .
+.SH DESCRIPTION
+The
+.BR libkeccak_hmac_free ()
+function releases the allocations stored in
+.IR *state ,
+and also release the allocation of
+.IR state .
+.PP
+The
+.BR libkeccak_hmac_free ()
+function securely erases sensitive data.
+.SH RETURN VALUES
+The
+.BR libkeccak_hmac_free ()
+function does not return any value.
+.SH ERRORS
+The
+.BR libkeccak_hmac_free ()
+function cannot fail.
+.SH NOTES
+A double call to
+.BR libkeccak_hmac_free ()
+will either result in a double free,
+which is must likely to crash the process,
+or free an allocation (that was created
+between the calls) that was not intended
+to be freed, resulting in undefined behaviour.
+.SH SEE ALSO
+.BR libkeccak_hmac_destroy (3),
+.BR libkeccak_hmac_fast_free (3),
+.BR libkeccak_hmac_create (3),
+.BR libkeccak_hmac_initialise (3),
+.BR libkeccak_hmac_reset (3),
+.BR libkeccak_hmac_wipe (3)