Function gnunet_sys::GNUNET_CRYPTO_hmac_derive_key_v

pub unsafe extern "C" fn GNUNET_CRYPTO_hmac_derive_key_v(
    key: *mut GNUNET_CRYPTO_AuthKey, 
    rkey: *const GNUNET_CRYPTO_SymmetricSessionKey, 
    salt: *const c_void, 
    salt_len: usize, 
    argp: *mut __va_list_tag
)

@ingroup hash @brief Derive an authentication key @param key authentication key @param rkey root key @param salt salt @param salt_len size of the salt @param argp pair of void * & size_t for context chunks, terminated by NULL