TEE_Result ta_entry_set_operation_key(uint32_t param_type, TEE_Param params[4])
{
ASSERT_PARAM_TYPE(TEE_PARAM_TYPES
(TEE_PARAM_TYPE_VALUE_INPUT, TEE_PARAM_TYPE_NONE,
TEE_PARAM_TYPE_NONE, TEE_PARAM_TYPE_NONE));
return TEE_SetOperationKey((TEE_OperationHandle) params[0].value.a,
(TEE_ObjectHandle) params[0].value.b);
}
TEE_Result ta_entry_set_operation_key(uint32_t param_type, TEE_Param params[4])
{
TEE_OperationHandle op = VAL2HANDLE(params[0].value.a);
TEE_ObjectHandle key = VAL2HANDLE(params[0].value.b);
ASSERT_PARAM_TYPE(TEE_PARAM_TYPES
(TEE_PARAM_TYPE_VALUE_INPUT, TEE_PARAM_TYPE_NONE,
TEE_PARAM_TYPE_NONE, TEE_PARAM_TYPE_NONE));
return TEE_SetOperationKey(op, key);
}
void TEE_CopyOperation(TEE_OperationHandle dst_op, TEE_OperationHandle src_op)
{
TEE_Result res;
if (dst_op == TEE_HANDLE_NULL || src_op == TEE_HANDLE_NULL)
TEE_Panic(0);
if (dst_op->info.algorithm != src_op->info.algorithm)
TEE_Panic(0);
if (src_op->info.operationClass != TEE_OPERATION_DIGEST) {
TEE_ObjectHandle key1 = TEE_HANDLE_NULL;
TEE_ObjectHandle key2 = TEE_HANDLE_NULL;
if (src_op->info.handleState & TEE_HANDLE_FLAG_KEY_SET) {
key1 = src_op->key1;
key2 = src_op->key2;
}
if ((src_op->info.handleState &
TEE_HANDLE_FLAG_EXPECT_TWO_KEYS) == 0) {
TEE_SetOperationKey(dst_op, key1);
} else {
TEE_SetOperationKey2(dst_op, key1, key2);
}
}
dst_op->info.handleState = src_op->info.handleState;
dst_op->info.keySize = src_op->info.keySize;
dst_op->operationState = src_op->operationState;
if (dst_op->buffer_two_blocks != src_op->buffer_two_blocks ||
dst_op->block_size != src_op->block_size)
TEE_Panic(0);
if (dst_op->buffer != NULL) {
if (src_op->buffer == NULL)
TEE_Panic(0);
memcpy(dst_op->buffer, src_op->buffer, src_op->buffer_offs);
dst_op->buffer_offs = src_op->buffer_offs;
} else if (src_op->buffer != NULL) {
TEE_Panic(0);
}
res = utee_cryp_state_copy(dst_op->state, src_op->state);
if (res != TEE_SUCCESS)
TEE_Panic(res);
}
TEE_Result get_random_key_method2()
{
TEE_Result res;
TEE_OperationHandle operation = TEE_HANDLE_NULL;
uint32_t algorithm = TEE_ALG_HMAC_MD5;
uint32_t mode = TEE_MODE_MAC;
uint32_t maxKeySize = 512;
res = TEE_AllocateOperation(&operation, algorithm, mode, maxKeySize);
if(res != TEE_SUCCESS) {
TEE_Printf("[err] TEE_AllocateOperation\n");
goto _ret_;
}
TEE_ObjectHandle hKeyObject = TEE_HANDLE_NULL;
TEE_ObjectType keyObjectType = TEE_TYPE_HMAC_MD5;
uint32_t maxKeyObjectSize = maxKeySize;
res = TEE_NewRandomKeyObject(keyObjectType, maxKeyObjectSize, &hKeyObject);
if(res != TEE_SUCCESS) {
TEE_Printf("[err] TEE_AllocateTransientObject\n");
return 0;
}
res = TEE_SetOperationKey(operation, hKeyObject);
if(res != TEE_SUCCESS) {
TEE_Printf("[err] TEE_SetOperationKey\n");
goto _ret_;
}
_ret_:
if (operation) {
TEE_FreeOperation(operation);
}
if(hKeyObject) {
TEE_FreeTransientObject(hKeyObject);
}
return res;
}
