cracen_cipher_decrypt()

psa_status_t cracen_cipher_decrypt	(	const psa_key_attributes_t *	attributes,
		const uint8_t *	key_buffer,
		size_t	key_buffer_size,
		psa_algorithm_t	alg,
		const uint8_t *	input,
		size_t	input_length,
		uint8_t *	output,
		size_t	output_size,
		size_t *	output_length )

#include <subsys/nrf_security/src/drivers/cracen/cracenpsa/include/cracen_psa_cipher.h>

Decrypt a message using a symmetric cipher.

Parameters

[in]	attributes	Key attributes.
[in]	key_buffer	Key material buffer.
[in]	key_buffer_size	Size of the key buffer in bytes.
[in]	alg	Cipher algorithm.
[in]	input	Ciphertext to decrypt.
[in]	input_length	Length of the ciphertext in bytes.
[out]	output	Buffer to store the plaintext.
[in]	output_size	Size of the output buffer in bytes.
[out]	output_length	Length of the decrypted plaintext in bytes.

Return values

PSA_SUCCESS	The operation completed successfully.
PSA_ERROR_INVALID_HANDLE	The key handle is invalid.
PSA_ERROR_NOT_SUPPORTED	The algorithm is not supported.
PSA_ERROR_BUFFER_TOO_SMALL	The output buffer is too small.