115 lines
4.4 KiB
Objective-C
115 lines
4.4 KiB
Objective-C
/*
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Copyright 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import <XCTest/XCTest.h>
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#import "MXEncryptedAttachments.h"
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#import "MXEncryptedContentFile.h"
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#import "MXBase64Tools.h"
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@interface EncryptedAttachmentsTest : XCTestCase
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@end
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@implementation EncryptedAttachmentsTest
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- (void)setUp {
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[super setUp];
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}
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- (void)tearDown {
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[super tearDown];
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}
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- (void)testDecrypt {
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NSArray *testVectors =
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@[
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@[@"", @{
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@"v": @"v1",
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@"hashes": @{
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@"sha256": @"47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU"
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},
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@"key": @{
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@"alg": @"A256CTR",
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@"k": @"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
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@"key_ops": @[@"encrypt", @"decrypt"],
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@"kty": @"oct"
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},
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@"iv": @"AAAAAAAAAAAAAAAAAAAAAA"
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}, @""],
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@[@"5xJZTt5cQicm+9f4", @{
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@"v": @"v1",
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@"hashes": @{
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@"sha256": @"YzF08lARDdOCzJpzuSwsjTNlQc4pHxpdHcXiD/wpK6k"
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}, @"key": @{
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@"alg": @"A256CTR",
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@"k": @"__________________________________________8",
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@"key_ops": @[@"encrypt", @"decrypt"],
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@"kty": @"oct"
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}, @"iv": @"//////////8AAAAAAAAAAA"
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}, @"SGVsbG8sIFdvcmxk"],
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@[@"zhtFStAeFx0s+9L/sSQO+WQMtldqYEHqTxMduJrCIpnkyer09kxJJuA4K+adQE4w+7jZe/vR9kIcqj9rOhDR8Q", @{
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@"v": @"v2",
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@"hashes": @{
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@"sha256": @"IOq7/dHHB+mfHfxlRY5XMeCWEwTPmlf4cJcgrkf6fVU"
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},
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@"key": @{
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@"kty": @"oct",
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@"key_ops": @[@"encrypt",@"decrypt"],
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@"k": @"__________________________________________8",
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@"alg": @"A256CTR"
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},
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@"iv": @"//////////8AAAAAAAAAAA"
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}, @"YWxwaGFudW1lcmljYWxseWFscGhhbnVtZXJpY2FsbHlhbHBoYW51bWVyaWNhbGx5YWxwaGFudW1lcmljYWxseQ"],
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@[@"tJVNBVJ/vl36UQt4Y5e5m84bRUrQHhcdLPvS/7EkDvlkDLZXamBB6k8THbiawiKZ5Mnq9PZMSSbgOCvmnUBOMA", @{
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@"v": @"v1",
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@"hashes": @{
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@"sha256": @"LYG/orOViuFwovJpv2YMLSsmVKwLt7pY3f8SYM7KU5E"
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},
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@"key": @{
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@"kty": @"oct",
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@"key_ops": @[@"encrypt",@"decrypt"],
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@"k": @"__________________________________________8",
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@"alg": @"A256CTR"
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},
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@"iv": @"/////////////////////w"
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}, @"YWxwaGFudW1lcmljYWxseWFscGhhbnVtZXJpY2FsbHlhbHBoYW51bWVyaWNhbGx5YWxwaGFudW1lcmljYWxseQ"]
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];
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for (NSArray *vector in testVectors) {
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NSString *inputCiphertext = vector[0];
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MXEncryptedContentFile *inputInfo = [MXEncryptedContentFile modelFromJSON:vector[1]];
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NSString *want = vector[2];
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NSData *ctData = [[NSData alloc] initWithBase64EncodedString:[MXBase64Tools padBase64:inputCiphertext] options:0];
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NSInputStream *inputStream = [NSInputStream inputStreamWithData:ctData];
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NSOutputStream *outputStream = [NSOutputStream outputStreamToMemory];
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[MXEncryptedAttachments decryptAttachment:inputInfo inputStream:inputStream outputStream:outputStream success:^{
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NSData *gotData = [outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey];
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NSData *wantData = [[NSData alloc] initWithBase64EncodedString:[MXBase64Tools padBase64:want] options:0];
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XCTAssertEqualObjects(wantData, gotData, "Decrypted data did not match expectation.");
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} failure:^(NSError *error) {
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XCTFail();
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}];
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}
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}
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@end
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