46 lines
1018 B
Objective-C
46 lines
1018 B
Objective-C
//
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// main.m
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// XOREncryption
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//
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// Created by Kyle Banks on 2013-10-06.
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//
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#import <Foundation/Foundation.h>
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@interface XOREncryption : NSObject
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+(NSString *) encryptDecrypt:(NSString *)input;
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@end
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@implementation XOREncryption
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+(NSString *) encryptDecrypt:(NSString *)input {
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unichar key[] = {'K', 'C', 'Q'}; //Can be any chars, and any size array
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NSMutableString *output = [[NSMutableString alloc] init];
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for(int i = 0; i < input.length; i++) {
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unichar c = [input characterAtIndex:i];
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c ^= key[i % (sizeof(key)/sizeof(unichar))];
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[output appendString:[NSString stringWithFormat:@"%C", c]];
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}
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return output;
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}
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@end
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int main(int argc, const char * argv[])
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{
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@autoreleasepool {
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NSString *encrypted = [XOREncryption encryptDecrypt:@"kylewbanks.com"];
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NSLog(@"Encrypted:%@", encrypted);
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NSString *decrypted = [XOREncryption encryptDecrypt:encrypted];
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NSLog(@"Decrypted:%@", decrypted);
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}
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return 0;
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}
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