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LIBKECCAK_HMAC_CREATE(3) | Library Functions Manual | LIBKECCAK_HMAC_CREATE(3) |
NAME¶
libkeccak_hmac_create - Allocate and initialise HMAC-hashing state
SYNOPSIS¶
#include <libkeccak.h> struct libkeccak_hmac_state *libkeccak_hmac_create(const struct libkeccak_spec *spec, const void *key, size_t key_length);
Link with -lkeccak.
DESCRIPTION¶
The libkeccak_hmac_create() function allocates a new struct libkeccak_hmac_state * with one initialised element, and sets the algorithm tuning parameters to those specified by *spec, and the key to key of length key_length.
RETURN VALUES¶
The libkeccak_hmac_create() function returns a newly allocated struct libkeccak_hmac_state * (of one initialised element) upon successful completion. On error, NULL is returned and errno is set to describe the error.
ERRORS¶
The libkeccak_hmac_create() function may fail for any specified for the functions malloc(3) and realloc(3).
SEE ALSO¶
libkeccak_hmac_initialise(3), libkeccak_hmac_free(3), libkeccak_hmac_fast_free(3), libkeccak_hmac_duplicate(3)
LIBKECCAK |