ocrypto_cshake256()

void ocrypto_cshake256	(	uint8_t *	r,
		size_t	r_len,
		const uint8_t *	in,
		size_t	in_len,
		const uint8_t *	n,
		size_t	n_len,
		const uint8_t *	s,
		size_t	s_len
	)

cSHAKE256 extendable-output function.

The cSHAKE256 hash of a given input message in is computed and put into r.

Remarks

n_len or s_len must be > 0. For empty n and s use shake256.

Parameters

[out]	r	Generated hash.
	r_len	Length of r.
	in	Input data.
	in_len	Length of in.
	n	Function name bit string.
	n_len	Length of n.
	s	Customization bit string.
	s_len	Length of s.