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Diffstat (limited to 'libkeccak_hmac_set_key.3')
| -rw-r--r-- | libkeccak_hmac_set_key.3 | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libkeccak_hmac_set_key.3 b/libkeccak_hmac_set_key.3 new file mode 100644 index 0000000..ea8084e --- /dev/null +++ b/libkeccak_hmac_set_key.3 @@ -0,0 +1,35 @@ +.TH LIBKECCAK_HMAC_SET_KEY 3 LIBKECCAK +.SH NAME +libkeccak_hmac_set_key - Changes key for a the HMAC-hashing state +.SH SYNOPSIS +.nf +#include <libkeccak.h> + +int libkeccak_hmac_set_key(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_set_key () +function sets the key for a HMAC-hashing state without reseting +the state of the underlaying hashing-algorithm. +.I key_length +is the length of the key in bits. +.SH RETURN VALUES +The +.BR libkeccak_hmac_set_key () +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_set_key () +function may fail for any specified for the function +.BR realloc (3). +.SH SEE ALSO +.BR libkeccak_hmac_create (3), +.BR libkeccak_hmac_initialise (3), +.BR libkeccak_hmac_reset (3) |