| LIBKECCAK_HMAC_COPY(3) | Library Functions Manual | LIBKECCAK_HMAC_COPY(3) |
NAME
libkeccak_hmac_copy - Copies an HMAC-hashing state
SYNOPSIS
#include <libkeccak.h> int libkeccak_hmac_copy(struct libkeccak_hmac_state *dest, const struct libkeccak_hmac_state *src);
Link with -lkeccak.
DESCRIPTION
The libkeccak_hmac_copy() function initialises *dest to be identical to *src. This includes all members of the struct libkeccak_hmac_state structure, including the state of the sponge and the message chunk buffer.
RETURN VALUES
The libkeccak_hmac_copy() function returns 0 upon successful completion. On error, -1 is returned and errno is set to describe the error.
ERRORS
The libkeccak_hmac_copy() function may fail for any specified for the function malloc(3).
SEE ALSO
| LIBKECCAK |