ocrypto_chacha20_poly1305_init()

void ocrypto_chacha20_poly1305_init	(	ocrypto_chacha20_poly1305_ctx *	ctx,
		const uint8_t *	n,
		size_t	n_len,
		const uint8_t	k[(32)] )

#include <crypto/nrf_oberon/include/ocrypto_chacha20_poly1305.h>

ChaCha20-Poly1305 initialization.

The generator state ctx is initialized by this function.

Parameters

[out]	ctx	Generator state.
	n	Nonce (or IV).
	n_len	Length of n. n_len = 8, 12, or 24.
	k	Encryption key.