base64加密解密

NSData* decodeData = [[NSData alloc] initWithBase64EncodedString:@"MTIzNDU2" options:0];

NSString* decodeStr = [[NSString alloc] initWithData:decodeData encoding:NSASCIIStringEncoding];

NSLog(@"解密:decodeStr  %@",decodeStr);



NSData* originData = [@"123456" dataUsingEncoding:NSASCIIStringEncoding];

NSString* encodeResult = [originData base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];

NSLog(@"加密:%@",encodeResult);

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