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	/*			/*
	* Experimental Chacha20-based PRF for Fortuna keystream primitive. For now,			* Experimental Chacha20-based PRF for Fortuna keystream primitive. For now,
	* disabled by default. But we may enable it in the future.			* disabled by default. But we may enable it in the future.
	*			*
	* Benefits include somewhat faster keystream generation compared with			* Benefits include somewhat faster keystream generation compared with
	* unaccelerated AES-ICM.			* unaccelerated AES-ICM.
	*/			*/
	bool random_chachamode = false;			bool random_chachamode __read_frequently = false;
	#ifdef _KERNEL			#ifdef _KERNEL
	SYSCTL_BOOL(_kern_random, OID_AUTO, use_chacha20_cipher, CTLFLAG_RDTUN,			SYSCTL_BOOL(_kern_random, OID_AUTO, use_chacha20_cipher, CTLFLAG_RDTUN,
	&random_chachamode, 0,			&random_chachamode, 0,
	"If non-zero, use the ChaCha20 cipher for randomdev PRF. "			"If non-zero, use the ChaCha20 cipher for randomdev PRF. "
	"If zero, use AES-ICM cipher for randomdev PRF (default).");			"If zero, use AES-ICM cipher for randomdev PRF (default).");
	#endif			#endif

	/* Initialise the hash */			/* Initialise the hash */
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