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_hmac_duplicate(3), libkeccak_hmac_initialise(3)

                                   LIBKECCAK            LIBKECCAK_HMAC_COPY(3)