Cryptography is fundamentally dependent on mathematical operations and computations. The complexity of data computations directly relates to how secure the technique is. AES is one of the most complex encryption software. It encrypts data using highly complex mathematical operations.
Data transmissions via the internet are secured by ciphers like AES (Advanced Encryption Standard). AES employs a symmetric encryption methodology. Symmetric encryption algorithms use the same key for performing both encryption as well as decryption operations. It involves multiple iterations of implementing the SPN (Substitution Permutation Network) algorithm to encrypt data. The impenetrability of AES results from these encryption rounds, which are impossible to get through due to their sheer number.
The AES algorithm is compact, safe, and suitable for various hardware, software, and firmware. It is available for public or private businesses, for-profit or nonprofit endeavors, without any cost to any third party.
How does AES provide secure encryption using multiple lengths of encryption keys?
AES keys come in three different lengths. Several key combinations may be used for each key length, including: -
- AES 128-bit key length: 3.4 x 1038 (or 3.4 x 1038 possible combinations),
- AES 192-bit key length: 6.2 x 1057 (or 6.2 x 1057 possible combinations),
- AES 256-bit key length: 1.1 x 1077 (or 1.1 x 1077 possible combinations).
The static size of the encryption block is 128 bits equating to 16 bytes. The use of varied key lengths has exacerbated a few problems. Since it is the least crackable, some experts prefer to utilize the key length of 256 bits. Several military forces and LEAs (Law Enforcement Agencies) also use 256-bit keys. The AES method with 256-bit keys is frequently referred to as military-grade encryption. However, the longer the key length, the more processing power is needed to encrypt and decode the data or message.
For instance, software that uses AES-256 rather than AES-128 may cause the laptop battery to discharge a little bit more quickly. Thankfully, contemporary technology reduces the resource difference to such a negligible level that there is no justification for not using 256-bit AES encryption.
How has AES facilitated and benefitted the secure communications arena?
- The length of the encryption key is customizable as per application use
Keys of lengths of 128 bits, 192 bits, and 256 bits can all be used for AES encryption. Cybersecurity experts recommend using a 128-bit key for commercial business purposes. AES-256 offers higher security and can be used by governments to secure their private servers.
- Publicly vetted and approved algorithm used by Law Enforcement and Military forces
The AES algorithm has been standardized by NIST and made available as an open-source resource, making it simpler for the general public to trust. Furthermore, since the same method is used by hardware, software, and firmware, there are no interoperability problems.
- AES can function in limited computing resources
NIST said that it wants to replace DES and included a requirement that the new algorithm should work on hardware with a range of different computational power. That condition is exactly met by AES. On 8-bit smart cards and quick computers, it functions equally effectively.
- Quicker rate of encryption and decryption operations
Compared to DES and Triple-DES, AES encryption processes data more quickly. AES outperforms Triple-DES by a factor of around six on the same hardware.
- Resistant and impenetrable encryption to quantum computing attacks
AES-256 is a widely accepted encryption algorithm across the globe. The software has been tested to resist decryption or cracking attacks by quantum computers within a given amount of time.
Is AES the most secure encryption algorithm known?
A 128-bit AES encryption key may be cracked in as little as 36 quadrillion years. A 256-bit AES key has an incredible 984,665,640,564,039,457,584,007,913,129,639,936 possible combinations. Hence, experts assume that a brute-force cyber-attack on AES encryption might not occur without heavy computing resources. As a result, AES is one of the most secure symmetric encryption ciphers available today.
The development of social networking applications, remote work, and eCommerce were all made possible by the powerful encryption offered by AES. The AES algorithm is crucial for the majority of online businesses since it can function on devices with low computational power.
To know more about various encryption standards and how to keep your mobile and web applications secure, contact Centex Technologies at Killeen (254) 213 - 4740, Dallas (972) 375 - 9654, Atlanta (404) 994 - 5074, and Austin (512) 956 – 5454.