common_digest
return (common_digest(dev, arg, mode, crypto_digest_single));
return (common_digest(dev, arg, mode, crypto_mac_single));
return (common_digest(dev, arg, mode, crypto_sign_single));
return (common_digest(dev, arg, mode, crypto_sign_recover_single));
return (common_digest(dev, arg, mode, crypto_verify_recover_single));
static int common_digest(dev_t, caddr_t, int, int (*)(crypto_context_t,