Encrypted server response

kordophone/Crypto/GCDWebServerDataResponse+Crypto.h

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+//
+//  GCDWebServerDataResponse+Crypto.h
+//  kordophoned
+//
+//  Created by James Magahern on 11/15/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import <GCDWebServers/GCDWebServers.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface GCDWebServerDataResponse (Crypto)
+
++ (nullable instancetype)encryptedResponseWithJSONObject:(id)object;
+
+@end
+
+NS_ASSUME_NONNULL_END
+

kordophone/Crypto/GCDWebServerDataResponse+Crypto.m

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+//
+//  GCDWebServerDataResponse+Crypto.m
+//  kordophoned
+//
+//  Created by James Magahern on 11/15/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import "GCDWebServerDataResponse+Crypto.h"
+
+#import "NSData+AES.h"
+
+// TEMP!!
+static NSString *const kSymmetricKey = @"axPy0nljtG/TOVJSVwVXag==";
+
+@implementation GCDWebServerDataResponse (Crypto)
+
++ (nullable instancetype)encryptedResponseWithJSONObject:(id)object
+{
+    NSData *data = [NSJSONSerialization dataWithJSONObject:object options:0 error:NULL];
+    if (data == nil) {
+        return nil;
+    }
+    
+    NSError *error = nil;
+    NSData *ivData = [[[NSUUID UUID] UUIDString] dataUsingEncoding:NSUTF8StringEncoding];
+    NSData *keyData = [[NSData alloc] initWithBase64EncodedString:kSymmetricKey options:0];
+    NSData *encryptedData = [data encryptedDataWithKey:keyData iv:ivData error:&error];
+    if (error) {
+        NSLog(@"Error encrypting response: %@", error);
+    }
+    
+    return [[self alloc] initWithData:encryptedData contentType:@"application/octet-stream"];
+}
+
+@end