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trusty: keymaster: Implement import_key

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Test: builds
Change-Id: Ie130df9958d0a75fdedb463a38ea2625e88940db
This commit is contained in:
Jocelyn Bohr 2017-02-09 17:28:14 -08:00
parent a02270fdd9
commit 2d768669fa
1 changed files with 36 additions and 0 deletions
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36
trusty/keymaster/trusty_keymaster_device.cpp
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@ -278,6 +278,42 @@ keymaster_error_t TrustyKeymasterDevice::import_key(
const keymaster_blob_t* key_data, keymaster_key_blob_t* key_blob,
keymaster_key_characteristics_t* characteristics) {
ALOGD("Device received import_key");
if (error_ != KM_ERROR_OK) {
return error_;
}
if (!params || !key_data) {
return KM_ERROR_UNEXPECTED_NULL_POINTER;
}
if (!key_blob) {
return KM_ERROR_OUTPUT_PARAMETER_NULL;
}
ImportKeyRequest request(message_version_);
request.key_description.Reinitialize(*params);
request.key_description.push_back(TAG_CREATION_DATETIME, java_time(time(NULL)));
request.key_format = key_format;
request.SetKeyMaterial(key_data->data, key_data->data_length);
ImportKeyResponse response(message_version_);
keymaster_error_t err = Send(KM_IMPORT_KEY, request, &response);
if (err != KM_ERROR_OK) {
return err;
}
key_blob->key_material_size = response.key_blob.key_material_size;
key_blob->key_material =
DuplicateBuffer(response.key_blob.key_material, response.key_blob.key_material_size);
if (!key_blob->key_material) {
return KM_ERROR_MEMORY_ALLOCATION_FAILED;
}
if (characteristics) {
response.enforced.CopyToParamSet(&characteristics->hw_enforced);
response.unenforced.CopyToParamSet(&characteristics->sw_enforced);
}
return KM_ERROR_OK;
}