Random generation

General Description

Functions
cy_p64_psa_status_t	cy_p64_psa_generate_random (uint8_t *output, size_t output_size)
	Generates random bytes. More...

Function Documentation

cy_p64_psa_generate_random()

cy_p64_psa_status_t cy_p64_psa_generate_random	(	uint8_t *	output,
		size_t	output_size
	)

Generates random bytes.

Warning

This function can fail! Callers MUST check the return status and MUST NOT use the content of the output buffer if the return status is not CY_P64_PSA_SUCCESS.

Note

To generate a key, use cy_p64_psa_generate_key() instead.

Parameters

[out]	output	The output buffer for the generated data.
	output_size	The number of bytes to generate and output.

Return values

CY_P64_PSA_SUCCESS
CY_P64_PSA_ERROR_NOT_SUPPORTED
CY_P64_PSA_ERROR_INSUFFICIENT_ENTROPY
CY_P64_PSA_ERROR_INSUFFICIENT_MEMORY
CY_P64_PSA_ERROR_COMMUNICATION_FAILURE
CY_P64_PSA_ERROR_HARDWARE_FAILURE
CY_P64_PSA_ERROR_CORRUPTION_DETECTED
CY_P64_PSA_ERROR_BAD_STATE	It is implementation-dependent whether initialize results fails in this error code.