Dhiraj Ray

@dhiraj825

Java Developer @Airtel

Joined November 2018

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I write about cryptography, web security, and secure software development. Creator of practical crypto validation tools at Devglan.

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Top 5 Cryptographic Mistakes Developers Still Make

Cryptography is a critical foundation of modern software systems — protecting passwords, authentication tokens, files, and sensitive user data. Yet many applications remain vulnerable not because encryption is missing, but because cryptography is mis...

Dec 22, 20253 min read

dhiraj825.hashnode.dev

Chacha20 Encryption

Chacha20 is a stream cipher designed by Daniel J. Bernstein that is part of the Chacha family of ciphers. It's known for its performance, simplicity, and security. Here's a brief overview and an example of how to use Chacha20 for encryption and decry...

Jun 22, 20242 min read

Dhiraj Ray

About

Available for

Dhiraj Ray's blogs

Recently published

Top 5 Cryptographic Mistakes Developers Still Make

Chacha20 Encryption

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Dhiraj Ray

About

Available for

Dhiraj Ray's blogs

Recently published

Top 5 Cryptographic Mistakes Developers Still Make

Chacha20 Encryption