Add 'server/' from commit '800090542d91beae40bc81fc41b67ba61c47da77'

git-subtree-dir: server
git-subtree-mainline: 6a4054c15a
git-subtree-split: 800090542d

server/Tests/CryptoTests.m

@@ -0,0 +1,48 @@
+//
+//  Tests.m
+//  Tests
+//
+//  Created by James Magahern on 11/15/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+
+#import "NSData+AES.h"
+
+// base64 encoded
+static NSString *const kTestKey = @"QMeDmiHj8eCFVfrQWQfDpw==";
+
+@interface Tests : XCTestCase
+@property (nonatomic, strong) NSString *commonPayload;
+@property (nonatomic, strong) NSData *commonIVData;
+@property (nonatomic, strong) NSData *symmetricKeyData;
+@end
+
+@implementation Tests
+
+- (void)setUp {
+    self.commonPayload = @"Hey this is a test";
+    
+    NSString *IVDataString = [[NSUUID UUID] UUIDString];
+    self.commonIVData = [IVDataString dataUsingEncoding:NSUTF8StringEncoding];
+    
+    self.symmetricKeyData = [[NSData alloc] initWithBase64EncodedString:kTestKey options:0];
+    XCTAssert(self.commonIVData && self.symmetricKeyData);
+}
+
+- (void)testEncryptionAndDecryption
+{
+    NSData *inputData = [self.commonPayload dataUsingEncoding:NSUTF8StringEncoding];
+    
+    NSError *error = nil;
+    NSData *encryptedData = [inputData encryptedDataWithKey:self.symmetricKeyData iv:self.commonIVData error:&error];
+    XCTAssert(!error);
+    
+    NSData *decryptedData = [encryptedData decryptedDataWithKey:self.symmetricKeyData iv:self.commonIVData error:&error];
+    XCTAssert(!error);
+    
+    XCTAssert([decryptedData isEqualToData:inputData]);
+}
+
+@end