Cryptographic primitive implementations

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Assalamualaikum steemians

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How are you?Hope so everyone would be safe and sound just like me as I am also safe Alhamdulillah....

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Today's topic is all about cryptographic primitive implementations.I would like to delve into this topic as much as I can;

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Cryptographic primitive implementations defined as building blocks of cryptographic algorithms and protocols. These are some of the primitives which are strongest fundamental components which are used for construction of most secure cryptographic systems.Some of these components I am describing below;

Hash functions

One way functions which takes input data made of any size which also produce fixed size output like SHA-256.

Block ciphers

Symmetric key encryption algorithms which operates at fixed size blocks of data like AES.

Stream ciphers

Stream ciphers are symmetric key encryption algorithms which may operates at continuous streams of data such as RC4.

Public-key encryption algorithms

There are some symmetric key encryption algorithms such as RSA and elliptic curve cryptography.

Digital signatures

Algorithms are also used for authentication of the source and integrity of messages such as ECDSA.

Random number generators

Algorithms helps in generation of truly random numbers which are significant for generation of keys and nonces.

Key exchange algorithms

Protocols which exchange cryptographic keys between parties in a most safest and secure way like Diffie-Hellman.

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While implementation of cryptographic primitives there are different considerations we should keep in our mind;

• We should ensure implementing of matching the algorithm's specifications.

• We should seek for protection against sidechannel attacks which can be in form of timing and power analysis.

• Optimization of more speed and efficiency.

• More adherence for most relevant standards and regulations.

• Giving more surety for implementing works across various platforms and devices.

• Write up of more clean, readable, and updatable code.

• Verification of implementing correctness and security by the use of proper rigorous testing procedures.

There are some of the best practices useful for implementation of cryptographic primitives which include the following

• Usage of well established libraries and frameworks such as you can say OpenSSL.

• Regular monitoring of most secure coding regulation and standards.

• Continuous review system and updating system for implementation.

• Conduction by different security audits and testing.

With a careful implementation of cryptographic primitives, developers can build up most safe, secure and reliable cryptographic systems which may help in protecting sensitive information and for maintainence of trust in digital communications.

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Thanks

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