mcuxCsslParamIntegrity Function Definitions

Functions of mcuxCsslParamIntegrity component. More...

Functions
mcuxCsslParamIntegrity_Checksum_t	mcuxCsslParamIntegrity_Protect (size_t nargs,...)
	Calculates a parameter checksum.
mcuxCsslParamIntegrity_Checksum_t	mcuxCsslParamIntegrity_Validate (mcuxCsslParamIntegrity_Checksum_t chk, size_t nargs,...)
	Verifies the correctness of a parameter checksum.

Detailed Description

Functions of mcuxCsslParamIntegrity component.

Function Documentation

mcuxCsslParamIntegrity_Protect()

mcuxCsslParamIntegrity_Checksum_t mcuxCsslParamIntegrity_Protect	(	size_t	nargs,
			...
	)

Calculates a parameter checksum.

Parameters

nargs	The number of parameters to be protected.
...	The parameters that should be protected. Note that parameters bigger than a single machine word are not supported.

Returns

checksum over the input parameters to be protected

Examples

mcuxCsslMemory_Clear_example.c, mcuxCsslMemory_Compare_example.c, mcuxCsslMemory_Copy_example.c, and mcuxCsslMemory_Set_example.c.

mcuxCsslParamIntegrity_Validate()

mcuxCsslParamIntegrity_Checksum_t mcuxCsslParamIntegrity_Validate	(	mcuxCsslParamIntegrity_Checksum_t	chk,
		size_t	nargs,
			...
	)

Verifies the correctness of a parameter checksum.

Parameters

chk	The parameter checksum.
nargs	The number of parameters to be protected.
...	The parameters that were used to calculate the parameter checksum. Note that parameters bigger than a single machine word are not supported.

Returns

A status code encapsulated in a flow-protection type.

Return values

MCUXCSSLPARAMINTEGRITY_CHECK_VALID	The parameter checksum was correct.
MCUXCSSLPARAMINTEGRITY_CHECK_INVALID	The parameter checksum was incorrect.