2. Types, Tools and Its Algorithms


The cryptography algorithms include the following.

In this IoT domain, security matters the most. Though there are many security mechanisms in practice, they do not hold the ability to come up with current day smart applications mainly for the software operating with resource-constraint equipment. In a consequence of this, cryptography algorithms came into practice ensuring enhanced security. So, few of the cryptographic algorithms are as follows:

Triple DES

Taking over from the conventional DES mechanism, triple DES was currently implemented in the security approaches. These algorithms permit hackers to ultimately gained the knowledge to overcome in an easy approach. This was the extensively implemented approach by many of the enterprises. Triple DES operates with 3 keys having 56 bits per each key. The entire key length is a maximum of bits, whereas experts would contend that 112-bits in key intensity is more probable. This algorithm handles to make a reliable hardware encryption answer for banking facilities and also for other industries.


To replace the approaches of Triple DES, Blowfish was mainly developed. This encryption algorithm split up messages into clocks having 64 bits and encrypts these clocks separately. The captivating feature that lies in Blowfish is its speed and efficacy. As this is an open algorithm for everyone, many gained the benefits of implementing this. Every scope of the IT domain ranging from software to e-commerce is making use of this algorithm as it shows extensive features for password protection. All these allow this algorithm to be most prominent in the market.


One of the public-key encryption algorithms used to encrypt information transmitted through the internet. It was a widely used algorithm in GPG and PGP methodologies. RSA is classified under symmetric type of algorithms as it performs its operation using a couple of keys. One of the keys is used for encryption and the other for decryption purposes.


This algorithm implements keys to provide security and as it comes under the symmetric method, only one key is necessary. The keys of this algorithm are with the maximum length of 256 bits. Of the most available algorithms, Twofish is mainly known by its speed and perfect to be implemented both in the hardware and software applications. Also, it is an openly accessible algorithm and has been in execution by many.

AES (Advanced Encryption Standard)

This is the most trusted algorithm technique by U.S administration and many other enterprises. Even though this works efficiently in 128-bit encryption form, 192 and 256 bits are mainly used for huge encryption activities. Being so invulnerable to all hacking systems, the AES technique receives extensive applause for encrypting information in the private domain.

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