diff options
Diffstat (limited to 'libkeccak_hmac_reset.3')
| -rw-r--r-- | libkeccak_hmac_reset.3 | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libkeccak_hmac_reset.3 b/libkeccak_hmac_reset.3 new file mode 100644 index 0000000..4a9aadf --- /dev/null +++ b/libkeccak_hmac_reset.3 @@ -0,0 +1,45 @@ +.TH LIBKECCAK_HMAC_RESET 3 LIBKECCAK +.SH NAME +libkeccak_hmac_reset - Reinitialise a HMAC-hashing state +.SH SYNOPSIS +.nf +#include <libkeccak.h> + +int libkeccak_hmac_reset(libkeccak_hmac_state_t *\fIstate\fP, const void *\fIkey\fP, size_t \fIkey_length\fP); +.fi +.PP +Link with +.IR -lkeccak . +.SH DESCRIPTION +The +.BR libkeccak_hmac_reset () +function reinitialises an HMAC-hashing state with a new key. +.I key_length +is the length of the key in bits. If +.I key +is +.IR NULL , +the key remains unchanged. +.SH RETURN VALUES +The +.BR libkeccak_hmac_reset () +function returns 0 successful completion. +On error -1 is returned and +.I errno +is set to describe the error. +.SH ERRORS +The +.BR libkeccak_hmac_reset () +function may fail for any specified for the functions +.BR malloc (3) +and +.BR realloc (3). +.SH SEE ALSO +.BR libkeccak_hmac_create (3), +.BR libkeccak_hmac_initialise (3), +.BR libkeccak_hmac_set_key (3), +.BR libkeccak_hmac_wipe (3), +.BR libkeccak_hmac_fast_free (3), +.BR libkeccak_hmac_free (3), +.BR libkeccak_hmac_fast_destroy (3), +.BR libkeccak_hmac_destroy (3) |