Exemplos de TEE_MACComputeFinal em C++ (Cpp)

Exemplo n.º 1

Arquivo: cryp_taf.c Projeto: jbech-linaro/optee_test

TEE_Result ta_entry_mac_final_compute(uint32_t param_type, TEE_Param params[4])
{
	ASSERT_PARAM_TYPE(TEE_PARAM_TYPES
			  (TEE_PARAM_TYPE_VALUE_INPUT,
			   TEE_PARAM_TYPE_MEMREF_INPUT,
			   TEE_PARAM_TYPE_MEMREF_OUTPUT, TEE_PARAM_TYPE_NONE));
	return TEE_MACComputeFinal((TEE_OperationHandle) params[0].value.a,
				   params[1].memref.buffer,
				   params[1].memref.size,
				   params[2].memref.buffer,
				   &params[2].memref.size);
}

Exemplo n.º 2

Arquivo: tee_api_operations.c Projeto: AIdrifter/optee_os

TEE_Result TEE_MACCompareFinal(TEE_OperationHandle operation,
			       void *message, uint32_t messageLen,
			       void *mac, uint32_t macLen)
{
	TEE_Result res;
	uint8_t computed_mac[TEE_MAX_HASH_SIZE];
	uint32_t computed_mac_size = TEE_MAX_HASH_SIZE;

	if (operation->info.operationClass != TEE_OPERATION_MAC) {
		res = TEE_ERROR_BAD_PARAMETERS;
		goto out;
	}

	if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) {
		res = TEE_ERROR_BAD_PARAMETERS;
		goto out;
	}

	if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) {
		res = TEE_ERROR_BAD_PARAMETERS;
		goto out;
	}

	res = TEE_MACComputeFinal(operation, message, messageLen, computed_mac,
				  &computed_mac_size);
	if (res != TEE_SUCCESS)
		goto out;

	if (computed_mac_size != macLen) {
		res = TEE_ERROR_MAC_INVALID;
		goto out;
	}

	if (buf_compare_ct(mac, computed_mac, computed_mac_size) != 0) {
		res = TEE_ERROR_MAC_INVALID;
		goto out;
	}

	operation->operationState = TEE_OPERATION_STATE_INITIAL;

out:
	if (res != TEE_SUCCESS &&
	    res != TEE_ERROR_MAC_INVALID)
		TEE_Panic(res);

	return res;
}

Exemplo n.º 3

Arquivo: tee_api_operations.c Projeto: diamond001/optee_os

TEE_Result TEE_MACCompareFinal(TEE_OperationHandle operation,
			       const void *message, size_t messageLen,
			       const void *mac, size_t macLen)
{
	TEE_Result res;
	uint8_t computed_mac[TEE_MAX_HASH_SIZE];
	size_t computed_mac_size = TEE_MAX_HASH_SIZE;

	res = TEE_MACComputeFinal(operation, message, messageLen, computed_mac,
				  &computed_mac_size);
	if (res != TEE_SUCCESS)
		return res;
	if (computed_mac_size != macLen)
		return TEE_ERROR_MAC_INVALID;
	if (memcmp(mac, computed_mac, computed_mac_size) != 0)
		return TEE_ERROR_MAC_INVALID;
	/* don't leave this on stack */
	memset(computed_mac, 0, computed_mac_size);
	return TEE_SUCCESS;
}