LIBKECCAK_HMAC_UNMARSHAL(3)                           Library Functions Manual

NAME
       libkeccak_hmac_unmarshal - Unharshals an HMAC-hashing state

SYNOPSIS
       #include <libkeccak.h>

       size_t libkeccak_hmac_unmarshal(struct libkeccak_hmac_state *state, const void *data);

       Link with -lkeccak.

DESCRIPTION
       The libkeccak_hmac_unmarshal() function unmarshals an HMAC-hashing
       state from the beginning of data.  and stores it in *state.  state may
       be NULL.

RETURN VALUES
       The libkeccak_hmac_unmarshal() returns the number of bytes reads from
       data upon successful completion.  On error, -1 is returned and errno is
       set to describe the error.  If state is NULL, the number the function
       will always be successful and return a positive value, this value is
       the number of bytes that make un the marshalled state.

ERRORS
       The libkeccak_hmac_unmarshal() function may fail for any specified for
       the function malloc(3).

SEE ALSO
       libkeccak_hmac_marshal(3)

                                   LIBKECCAK       LIBKECCAK_HMAC_UNMARSHAL(3)