Lets talk about encryption

2 min read

Lately, users across the world have raised a question, what algorithm is more secure to encrypt personal data and protect it from cybercriminals: AES 128 or AES 256? And what is the difference between these two methods, in fact? We conducted an investigation, and today we will try to shed light on this issue and answer to the above questions.

What is AES?

encryptionAdvanced Encryption Standard (AES) is the encryption of electronic data, established by the U.S. National Institute of Standards and Technology. High speed and low random access memory (RAM) requirements were the key criteria for the AES algorithm. Thus, AES is highly efficient on a wide variety of hardware, from smartphones and tablets, to high-performance computers.

AES is a new generation cipher that supports key lengths a minimum of 128 and a maximum of 256 bits, each with a fixed block size of 128 bits. This algorithm is secure enough for all applications that now exist.

128 bits vs 256 bits

128-bit and 256-bit encryptions are of the military level. Both are considered to be invulnerable to the attacks. The number of cycles of repetition for these encryption methods are 10 and 14 accordingly. This makes it just barely possible for hackers to crack the code. This feature prompted the U.S. Government to consider it as a sufficient system to protect classified information up to the top-secret level.

The differences between AES 128 and AES 256 encryptions are almost only 128 characters. 128-bit algorithm is complex and strong enough to make a cyberattacker ineffective in his attempt to get the access to your valuable personal information. According to the experts’ prediction, AES 128 will be secure and uncrackable for at least the next hundred years or so. It is evident that AES 256 is even stronger. If you want 2X more bits of key length for your own peace of mind, get it.

We use both

As we stated in previous blog posts, we are fighting for a safe access to the open Internet. Our team studiously reevaluates possible threats, to provide you a high quality service and a strong protection. That is why we offer extremely secure 128-bit or 256-bit VPN Unlimited encryption. We use both methods depending on the protocol and operating system to ensure the best security and performance.

Taking all the foregoing into account, you may rest assured that your data is under strong protection, and there is no single cybercriminal, who can sneak up to it. VPN Unlimited doesn’t take chances with your online privacy and security.


  1. that’s all well and good but anyone who knows a thing or two about encryption knows that the asymmetric encryption is more important than the symmetric encryption since just about everyone uses AES nowadays. i’ve searched your whole website and couldn’t find ANY information on the encryption you use. so i came here. still, i’m only able to find you say that you use 128 or 256bit symmetric encryption. ok. so, what kind of asymmetric encryption do you employ? it would be nice for potential customers if you added this to your main page. thanks!

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