LIBKECCAK_HMAC_DUPLICATE(3) Library Functions Manual NAME libkeccak_hmac_duplicate - Allocate a duplicate an HMAC-hashing state SYNOPSIS #include struct libkeccak_hmac_state *libkeccak_hmac_duplicate(const struct libkeccak_hmac_state *src); Link with -lkeccak. DESCRIPTION The libkeccak_hmac_duplicate() function allocates a new hash state and initialises it 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_duplicate() function returns a newly allocated libkeccak_hmac_t* (of one initialised element) upon successful completion. On error, NULL is returned and errno is set to describe the error. ERRORS The libkeccak_hmac_duplicate() function may fail for any specified for the function malloc(3). SEE ALSO libkeccak_hmac_copy(3), libkeccak_hmac_create(3) LIBKECCAK LIBKECCAK_HMAC_DUPLICATE(3)