cracen_sign_message()

psa_status_t cracen_sign_message	(	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,
		const uint8_t *	context,
		size_t	context_length,
		uint8_t *	signature,
		size_t	signature_size,
		size_t *	signature_length )

#include <cracen_psa_sign_verify.h>

Sign a message.

Parameters

[in]	attributes	Key attributes.
[in]	key_buffer	Key material buffer.
[in]	key_buffer_size	Size of the key buffer in bytes.
[in]	alg	Signing algorithm.
[in]	input	Message to sign.
[in]	input_length	Length of the message in bytes.
[in]	context	Context string (used by ML-DSA; ignored otherwise).
[in]	context_length	Length of the context in bytes.
[out]	signature	Buffer to store the signature.
[in]	signature_size	Size of the signature buffer in bytes.
[out]	signature_length	Length of the generated signature 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.