cracen_sw_chacha20_poly1305_decrypt_setup()

psa_status_t cracen_sw_chacha20_poly1305_decrypt_setup	(	cracen_aead_operation_t *	operation,
		const psa_key_attributes_t *	attributes,
		const uint8_t *	key_buffer,
		size_t	key_buffer_size,
		psa_algorithm_t	alg )

#include <subsys/nrf_security/src/drivers/cracen/cracen_sw/include/cracen_sw_chacha20_poly1305.h>

Set up the software ChaCha20-Poly1305 decryption operation.

Parameters

[in,out]	operation	Pointer to the AEAD operation structure.
[in]	attributes	Key attributes.
[in]	key_buffer	Key material.
[in]	key_buffer_size	Size of the key material. Max CRACEN_MAX_AEAD_KEY_SIZE bytes.
[in]	alg	Algorithm to use.

Return values

PSA_SUCCESS	Operation setup successfully.
PSA_ERROR_NOT_SUPPORTED	Unsupported algorithm or key type.
PSA_ERROR_INVALID_ARGUMENT	Invalid key size.