+ unsigned char *result = SHA1([[_serialNumber stringByAppendingString:@"-h4x0r"] UTF8String], [_serialNumber length] + 5, NULL);
+ if ([[[NSData dataWithBytes:result length:strlen(result)] description] isEqualToString:@"<db7ea71c 2919ff4b 520b6491 8d6813db b70647>"]) {
+ dead = YES;
+ }
+