mcuxClEls_Ecc_Keygen_Sign_Verify_example.c File Reference

Example of ECC for key generation, signing and verification using the ELS (CLNS component mcuxClEls) More...

#include <mcuxClEls.h>
#include <mcuxCsslFlowProtection.h>
#include <mcuxClCore_FunctionIdentifiers.h>
#include <mcuxClCore_Examples.h>
#include <mcuxClExample_ELS_Helper.h>
#include <mcuxClExample_ELS_Key_Helper.h>

Functions
	MCUXCLEXAMPLE_FUNCTION (mcuxClEls_Ecc_Keygen_Sign_Verify_example)
	Performs SHA2-256 hashing using mcuxClEls functions. More...

Variables
static uint32_t const	ecc_digest [MCUXCLELS_HASH_OUTPUT_SIZE_SHA_256/sizeof(uint32_t)]
	Pre-hashed data to be signed. More...
static uint32_t	ecc_public_key [MCUXCLELS_ECC_PUBLICKEY_SIZE/sizeof(uint32_t)]
	Destination buffer to receive the public key of the mcuxClEls_EccKeyGen_Async operation. More...
static mcuxClEls_EccByte_t	ecc_signature [MCUXCLELS_ECC_SIGNATURE_SIZE]
	Destination buffer to receive the signature of the mcuxClEls_EccSign_Async operation. More...
static mcuxClEls_EccByte_t	ecc_signature_r [MCUXCLELS_ECC_SIGNATURE_R_SIZE]
	Destination buffer to receive the signature part r of the VerifyOptions operation. More...
static mcuxClEls_EccByte_t	ecc_signature_and_public_key [MCUXCLELS_ECC_SIGNATURE_SIZE+MCUXCLELS_ECC_PUBLICKEY_SIZE]
	Concatenation of the ECC signature and public key, needed for the mcuxClEls_EccVerify_Async operation. More...

Detailed Description

Example of ECC for key generation, signing and verification using the ELS (CLNS component mcuxClEls)

Function Documentation

MCUXCLEXAMPLE_FUNCTION()

MCUXCLEXAMPLE_FUNCTION

(

mcuxClEls_Ecc_Keygen_Sign_Verify_example

)

Performs SHA2-256 hashing using mcuxClEls functions.

Return values

MCUXCLEXAMPLE_OK	The example code completed successfully
MCUXCLEXAMPLE_ERROR	The example code failed

Initialize ELS, Enable the ELS

deleted keyIdx keySlot

Disable the ELS

Examples

mcuxClEls_Ecc_Keygen_Sign_Verify_example.c.

Variable Documentation

ecc_digest

uint32_t const ecc_digest[MCUXCLELS_HASH_OUTPUT_SIZE_SHA_256/sizeof(uint32_t)]

static

Pre-hashed data to be signed.

Examples

mcuxClEls_Ecc_Keygen_Sign_Verify_example.c.

ecc_public_key

uint32_t ecc_public_key[MCUXCLELS_ECC_PUBLICKEY_SIZE/sizeof(uint32_t)]

static

Destination buffer to receive the public key of the mcuxClEls_EccKeyGen_Async operation.

Examples

mcuxClEls_Ecc_Keygen_Sign_Verify_example.c.

ecc_signature

mcuxClEls_EccByte_t ecc_signature[MCUXCLELS_ECC_SIGNATURE_SIZE]

static

Destination buffer to receive the signature of the mcuxClEls_EccSign_Async operation.

Examples

mcuxClEls_Ecc_Keygen_Sign_Verify_example.c, and mcuxClEls_Key_Import_Puk_DER_example.c.

ecc_signature_r

static mcuxClEls_EccByte_t ecc_signature_r ( )

static

Destination buffer to receive the signature part r of the VerifyOptions operation.

Output buffer for the signature part r of the mcuxClEls_KeyImportPuk_Async operation.

Must be word-aligned!

Examples

mcuxClEls_Ecc_Keygen_Sign_Verify_example.c, and mcuxClEls_Key_Import_Puk_DER_example.c.

ecc_signature_and_public_key

mcuxClEls_EccByte_t ecc_signature_and_public_key[MCUXCLELS_ECC_SIGNATURE_SIZE+MCUXCLELS_ECC_PUBLICKEY_SIZE]

static

Concatenation of the ECC signature and public key, needed for the mcuxClEls_EccVerify_Async operation.

Examples

mcuxClEls_Ecc_Keygen_Sign_Verify_example.c.