TEE_Result TEE_CopyObjectAttributes1(TEE_ObjectHandle destObject,
TEE_ObjectHandle srcObject)
{
TEE_Result res;
TEE_ObjectInfo dst_info;
TEE_ObjectInfo src_info;
res = utee_cryp_obj_get_info((unsigned long)destObject, &dst_info);
if (res != TEE_SUCCESS)
goto exit;
res = utee_cryp_obj_get_info((unsigned long)srcObject, &src_info);
if (res != TEE_SUCCESS)
goto exit;
if (!(src_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED))
TEE_Panic(0);
if ((dst_info.handleFlags & TEE_HANDLE_FLAG_PERSISTENT))
TEE_Panic(0);
if ((dst_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED))
TEE_Panic(0);
res = utee_cryp_obj_copy((unsigned long)destObject,
(unsigned long)srcObject);
exit:
if (res != TEE_SUCCESS &&
res != TEE_ERROR_CORRUPT_OBJECT &&
res != TEE_ERROR_STORAGE_NOT_AVAILABLE)
TEE_Panic(res);
return res;
}
void TEE_CopyObjectAttributes(TEE_ObjectHandle destObject,
TEE_ObjectHandle srcObject)
{
TEE_Result res;
TEE_ObjectInfo dst_info;
TEE_ObjectInfo src_info;
res = utee_cryp_obj_get_info((uint32_t)destObject, &dst_info);
if (res != TEE_SUCCESS)
TEE_Panic(0);
res = utee_cryp_obj_get_info((uint32_t)srcObject, &src_info);
if (res != TEE_SUCCESS)
TEE_Panic(0);
if ((src_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) == 0)
TEE_Panic(0);
if ((dst_info.handleFlags & TEE_HANDLE_FLAG_PERSISTENT) != 0)
TEE_Panic(0);
if ((dst_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) != 0)
TEE_Panic(0);
res = utee_cryp_obj_copy((uint32_t)destObject, (uint32_t)srcObject);
if (res != TEE_SUCCESS)
TEE_Panic(0);
}
TEE_Result TEE_GetObjectBufferAttribute(TEE_ObjectHandle object,
uint32_t attributeID, void *buffer,
uint32_t *size)
{
TEE_Result res;
TEE_ObjectInfo info;
uint64_t sz;
res = utee_cryp_obj_get_info((unsigned long)object, &info);
if (res != TEE_SUCCESS)
goto exit;
/* This function only supports reference attributes */
if ((attributeID & TEE_ATTR_BIT_VALUE)) {
res = TEE_ERROR_BAD_PARAMETERS;
goto exit;
}
sz = *size;
res = utee_cryp_obj_get_attr((unsigned long)object, attributeID,
buffer, &sz);
*size = sz;
exit:
if (res != TEE_SUCCESS &&
res != TEE_ERROR_ITEM_NOT_FOUND &&
res != TEE_ERROR_SHORT_BUFFER &&
res != TEE_ERROR_CORRUPT_OBJECT &&
res != TEE_ERROR_STORAGE_NOT_AVAILABLE)
TEE_Panic(0);
return res;
}
TEE_Result TEE_GetObjectValueAttribute(TEE_ObjectHandle object,
uint32_t attributeID, uint32_t *a,
uint32_t *b)
{
TEE_Result res;
TEE_ObjectInfo info;
uint32_t buf[2];
size_t size = sizeof(buf);
res = utee_cryp_obj_get_info((uint32_t)object, &info);
if (res != TEE_SUCCESS)
TEE_Panic(0);
if ((info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) == 0)
TEE_Panic(0);
/* This function only supports value attributes */
if ((attributeID & TEE_ATTR_BIT_VALUE) == 0)
TEE_Panic(0);
res =
utee_cryp_obj_get_attr((uint32_t)object, attributeID, buf, &size);
if (res != TEE_SUCCESS && res != TEE_ERROR_ITEM_NOT_FOUND &&
res != TEE_ERROR_ACCESS_DENIED)
TEE_Panic(0);
if (size != sizeof(buf))
TEE_Panic(0);
*a = buf[0];
*b = buf[1];
return res;
}
TEE_Result TEE_GetObjectBufferAttribute(TEE_ObjectHandle object,
uint32_t attributeID, void *buffer,
size_t *size)
{
TEE_Result res;
TEE_ObjectInfo info;
res = utee_cryp_obj_get_info((uint32_t)object, &info);
if (res != TEE_SUCCESS)
TEE_Panic(0);
if ((info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) == 0)
TEE_Panic(0);
/* This function only supports reference attributes */
if ((attributeID & TEE_ATTR_BIT_VALUE) != 0)
TEE_Panic(0);
res =
utee_cryp_obj_get_attr((uint32_t)object, attributeID, buffer,
size);
if (res != TEE_SUCCESS && res != TEE_ERROR_ITEM_NOT_FOUND &&
res != TEE_ERROR_SHORT_BUFFER)
TEE_Panic(0);
return res;
}
TEE_Result TEE_PopulateTransientObject(TEE_ObjectHandle object,
TEE_Attribute *attrs,
uint32_t attrCount)
{
TEE_Result res;
TEE_ObjectInfo info;
struct utee_attribute ua[attrCount];
res = utee_cryp_obj_get_info((unsigned long)object, &info);
if (res != TEE_SUCCESS)
TEE_Panic(0);
/* Must be a transient object */
if ((info.handleFlags & TEE_HANDLE_FLAG_PERSISTENT) != 0)
TEE_Panic(0);
/* Must not be initialized already */
if ((info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) != 0)
TEE_Panic(0);
__utee_from_attr(ua, attrs, attrCount);
res = utee_cryp_obj_populate((unsigned long)object, ua, attrCount);
if (res != TEE_SUCCESS && res != TEE_ERROR_BAD_PARAMETERS)
TEE_Panic(res);
return res;
}
/* Data and Key Storage API - Generic Object Functions */
void TEE_GetObjectInfo(TEE_ObjectHandle object, TEE_ObjectInfo *objectInfo)
{
TEE_Result res;
res = utee_cryp_obj_get_info((uint32_t)object, objectInfo);
if (res != TEE_SUCCESS)
TEE_Panic(res);
}
TEE_Result TEE_SeekObjectData(TEE_ObjectHandle object, int32_t offset,
TEE_Whence whence)
{
TEE_Result res;
TEE_ObjectInfo info;
if (object == TEE_HANDLE_NULL) {
res = TEE_ERROR_BAD_PARAMETERS;
goto out;
}
res = utee_cryp_obj_get_info((unsigned long)object, &info);
if (res != TEE_SUCCESS)
goto out;
switch (whence) {
case TEE_DATA_SEEK_SET:
if (offset > 0 && (uint32_t)offset > TEE_DATA_MAX_POSITION) {
res = TEE_ERROR_OVERFLOW;
goto out;
}
break;
case TEE_DATA_SEEK_CUR:
if (offset > 0 &&
((uint32_t)offset + info.dataPosition >
TEE_DATA_MAX_POSITION ||
(uint32_t)offset + info.dataPosition <
info.dataPosition)) {
res = TEE_ERROR_OVERFLOW;
goto out;
}
break;
case TEE_DATA_SEEK_END:
if (offset > 0 &&
((uint32_t)offset + info.dataSize > TEE_DATA_MAX_POSITION ||
(uint32_t)offset + info.dataSize < info.dataSize)) {
res = TEE_ERROR_OVERFLOW;
goto out;
}
break;
default:
res = TEE_ERROR_ITEM_NOT_FOUND;
goto out;
}
res = utee_storage_obj_seek((unsigned long)object, offset, whence);
out:
if (res != TEE_SUCCESS &&
res != TEE_ERROR_OVERFLOW &&
res != TEE_ERROR_CORRUPT_OBJECT &&
res != TEE_ERROR_STORAGE_NOT_AVAILABLE)
TEE_Panic(0);
return res;
}
TEE_Result TEE_CopyObjectAttributes1(TEE_ObjectHandle destObject,
TEE_ObjectHandle srcObject)
{
TEE_Result res;
TEE_ObjectInfo dst_info;
TEE_ObjectInfo src_info;
res = utee_cryp_obj_get_info((uint32_t)destObject, &dst_info);
if (res != TEE_SUCCESS)
goto err;
res = utee_cryp_obj_get_info((uint32_t)srcObject, &src_info);
if (res != TEE_SUCCESS)
goto err;
if ((src_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) == 0)
TEE_Panic(0);
if ((dst_info.handleFlags & TEE_HANDLE_FLAG_PERSISTENT) != 0)
TEE_Panic(0);
if ((dst_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) != 0)
TEE_Panic(0);
res = utee_cryp_obj_copy((uint32_t)destObject, (uint32_t)srcObject);
if (res != TEE_SUCCESS)
TEE_Panic(0);
goto out;
err:
if (res == TEE_ERROR_CORRUPT_OBJECT) {
res = utee_storage_obj_del(srcObject);
if (res != TEE_SUCCESS)
TEE_Panic(0);
return TEE_ERROR_CORRUPT_OBJECT;
}
if (res == TEE_ERROR_STORAGE_NOT_AVAILABLE)
return res;
TEE_Panic(0);
out:
return TEE_SUCCESS;
}
TEE_Result TEE_GetObjectInfo1(TEE_ObjectHandle object, TEE_ObjectInfo *objectInfo)
{
TEE_Result res;
res = utee_cryp_obj_get_info((unsigned long)object, objectInfo);
if (res != TEE_SUCCESS &&
res != TEE_ERROR_CORRUPT_OBJECT &&
res != TEE_ERROR_STORAGE_NOT_AVAILABLE)
TEE_Panic(res);
return res;
}
/*
* Use of this function is deprecated
* new code SHOULD use the TEE_CopyObjectAttributes1 function instead
* These functions will be removed at some future major revision of
* this specification
*/
void TEE_CopyObjectAttributes(TEE_ObjectHandle destObject,
TEE_ObjectHandle srcObject)
{
TEE_Result res;
TEE_ObjectInfo src_info;
res = utee_cryp_obj_get_info((unsigned long)srcObject, &src_info);
if (src_info.objectType == TEE_TYPE_CORRUPTED_OBJECT)
return;
res = TEE_CopyObjectAttributes1(destObject, srcObject);
if (res != TEE_SUCCESS)
TEE_Panic(0);
}
/*
* Use of this function is deprecated
* new code SHOULD use the TEE_RestrictObjectUsage1 function instead
* These functions will be removed at some future major revision of
* this specification
*/
void TEE_RestrictObjectUsage(TEE_ObjectHandle object, uint32_t objectUsage)
{
TEE_Result res;
TEE_ObjectInfo objectInfo;
res = utee_cryp_obj_get_info((unsigned long)object, &objectInfo);
if (objectInfo.objectType == TEE_TYPE_CORRUPTED_OBJECT)
return;
res = TEE_RestrictObjectUsage1(object, objectUsage);
if (res != TEE_SUCCESS)
TEE_Panic(0);
}
TEE_Result TEE_GetObjectInfo1(TEE_ObjectHandle object, TEE_ObjectInfo *objectInfo)
{
TEE_Result res;
res = utee_cryp_obj_get_info((uint32_t)object, objectInfo);
if (res == TEE_ERROR_CORRUPT_OBJECT) {
res = utee_storage_obj_del(object);
if (res != TEE_SUCCESS)
TEE_Panic(0);
return TEE_ERROR_CORRUPT_OBJECT;
}
if (res != TEE_SUCCESS && res != TEE_ERROR_STORAGE_NOT_AVAILABLE)
TEE_Panic(res);
return res;
}
/*
* Use of this function is deprecated
* new code SHOULD use the TEE_GetObjectInfo1 function instead
* These functions will be removed at some future major revision of
* this specification
*/
void TEE_GetObjectInfo(TEE_ObjectHandle object, TEE_ObjectInfo *objectInfo)
{
TEE_Result res;
res = utee_cryp_obj_get_info((unsigned long)object, objectInfo);
if (res != TEE_SUCCESS)
TEE_Panic(res);
if (objectInfo->objectType == TEE_TYPE_CORRUPTED_OBJECT) {
objectInfo->keySize = 0;
objectInfo->maxKeySize = 0;
objectInfo->objectUsage = 0;
objectInfo->dataSize = 0;
objectInfo->dataPosition = 0;
objectInfo->handleFlags = 0;
}
}
TEE_Result TEE_SeekObjectData(TEE_ObjectHandle object, int32_t offset,
TEE_Whence whence)
{
TEE_Result res;
TEE_ObjectInfo info;
if (object == TEE_HANDLE_NULL)
TEE_Panic(0);
res = utee_cryp_obj_get_info((uint32_t)object, &info);
if (res != TEE_SUCCESS)
TEE_Panic(0);
switch (whence) {
case TEE_DATA_SEEK_SET:
if (offset > 0 && (uint32_t)offset > TEE_DATA_MAX_POSITION)
return TEE_ERROR_OVERFLOW;
break;
case TEE_DATA_SEEK_CUR:
if (offset > 0 &&
((uint32_t)offset + info.dataPosition >
TEE_DATA_MAX_POSITION ||
(uint32_t)offset + info.dataPosition <
info.dataPosition))
return TEE_ERROR_OVERFLOW;
break;
case TEE_DATA_SEEK_END:
if (offset > 0 &&
((uint32_t)offset + info.dataSize > TEE_DATA_MAX_POSITION ||
(uint32_t)offset + info.dataSize < info.dataSize))
return TEE_ERROR_OVERFLOW;
break;
default:
TEE_Panic(0);
}
res = utee_storage_obj_seek(object, offset, whence);
if (res != TEE_SUCCESS && res != TEE_ERROR_OVERFLOW)
TEE_Panic(0);
return res;
}
void TEE_ResetTransientObject(TEE_ObjectHandle object)
{
TEE_Result res;
TEE_ObjectInfo info;
if (object == TEE_HANDLE_NULL)
return;
res = utee_cryp_obj_get_info((unsigned long)object, &info);
if (res != TEE_SUCCESS)
TEE_Panic(0);
if ((info.handleFlags & TEE_HANDLE_FLAG_PERSISTENT) != 0)
TEE_Panic(0);
res = utee_cryp_obj_reset((unsigned long)object);
if (res != TEE_SUCCESS)
TEE_Panic(0);
}
TEE_Result TEE_GetObjectValueAttribute(TEE_ObjectHandle object,
uint32_t attributeID, uint32_t *a,
uint32_t *b)
{
TEE_Result res;
TEE_ObjectInfo info;
uint32_t buf[2];
uint64_t size = sizeof(buf);
res = utee_cryp_obj_get_info((unsigned long)object, &info);
if (res != TEE_SUCCESS)
goto exit;
/* This function only supports value attributes */
if (!(attributeID & TEE_ATTR_BIT_VALUE)) {
res = TEE_ERROR_BAD_PARAMETERS;
goto exit;
}
res = utee_cryp_obj_get_attr((unsigned long)object, attributeID, buf,
&size);
exit:
if (res != TEE_SUCCESS &&
res != TEE_ERROR_ITEM_NOT_FOUND &&
res != TEE_ERROR_CORRUPT_OBJECT &&
res != TEE_ERROR_STORAGE_NOT_AVAILABLE)
TEE_Panic(0);
if (size != sizeof(buf))
TEE_Panic(0);
if (res == TEE_SUCCESS) {
if (a)
*a = buf[0];
if (b)
*b = buf[1];
}
return res;
}
void TEE_DeriveKey(TEE_OperationHandle operation,
const TEE_Attribute *params, uint32_t paramCount,
TEE_ObjectHandle derivedKey)
{
TEE_Result res;
TEE_ObjectInfo key_info;
if (operation == TEE_HANDLE_NULL || derivedKey == 0)
TEE_Panic(0);
if (paramCount != 0 && params == NULL)
TEE_Panic(0);
if (operation->info.algorithm != TEE_ALG_DH_DERIVE_SHARED_SECRET)
TEE_Panic(0);
if (operation->info.operationClass != TEE_OPERATION_KEY_DERIVATION)
TEE_Panic(0);
if (operation->info.mode != TEE_MODE_DERIVE)
TEE_Panic(0);
if ((operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) == 0)
TEE_Panic(0);
res = utee_cryp_obj_get_info((uint32_t) derivedKey, &key_info);
if (res != TEE_SUCCESS)
TEE_Panic(0);
if (key_info.objectType != TEE_TYPE_GENERIC_SECRET)
TEE_Panic(0);
if ((key_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) != 0)
TEE_Panic(0);
if ((operation->info.algorithm == TEE_ALG_DH_DERIVE_SHARED_SECRET) &&
(paramCount != 1 ||
params[0].attributeID != TEE_ATTR_DH_PUBLIC_VALUE))
TEE_Panic(0);
res = utee_cryp_derive_key(operation->state, params, paramCount,
(uint32_t) derivedKey);
if (res != TEE_SUCCESS)
TEE_Panic(res);
}
void TEE_DeriveKey(TEE_OperationHandle operation,
const TEE_Attribute *params, uint32_t paramCount,
TEE_ObjectHandle derivedKey)
{
TEE_Result res;
TEE_ObjectInfo key_info;
struct utee_attribute ua[paramCount];
if (operation == TEE_HANDLE_NULL || derivedKey == 0)
TEE_Panic(0);
if (params == NULL && paramCount != 0)
TEE_Panic(0);
if (TEE_ALG_GET_CLASS(operation->info.algorithm) !=
TEE_OPERATION_KEY_DERIVATION)
TEE_Panic(0);
if (operation->info.operationClass != TEE_OPERATION_KEY_DERIVATION)
TEE_Panic(0);
if (!operation->key1)
TEE_Panic(0);
if (operation->info.mode != TEE_MODE_DERIVE)
TEE_Panic(0);
if ((operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) == 0)
TEE_Panic(0);
res = utee_cryp_obj_get_info((unsigned long)derivedKey, &key_info);
if (res != TEE_SUCCESS)
TEE_Panic(0);
if (key_info.objectType != TEE_TYPE_GENERIC_SECRET)
TEE_Panic(0);
if ((key_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) != 0)
TEE_Panic(0);
__utee_from_attr(ua, params, paramCount);
res = utee_cryp_derive_key(operation->state, ua, paramCount,
(unsigned long)derivedKey);
if (res != TEE_SUCCESS)
TEE_Panic(res);
}
