r/crypto

r/crypto subreddit

Total Posts
548
Total Predictions
1
Success Rate
0.0%
Average Score
0.00

Posts

Reddit by _underthecity_ November 22, 2025

Request for review: Aeon Secure Suite v4.4 – offline WebCrypto toolkit (+ MicroVault v1.9 air-gapped file vault)

Hi all, I’d like to share something I’ve been building and ask for honest feedback and critique on the \*\*cryptography and implementation details\*\*. I’m \*\*not\*\* a professional developer or cryptographer. I’m a person who believes technology should serve humanity, not extract from it. With the help of AI assistants (ChatGPT …

Reddit by knotdjb November 20, 2025

The 2025 Go Cryptography State of the Union

Reddit by Alternative-Grade103 November 20, 2025

Calculating the RSA decryption key

I read where, having already determined the encryption component "e" the decryption component "d" is calculated as below... d ≡ e\^(-1) (mod φ) But any integer raised to the power of -1 is less than one. 5\^-1 = 1/5. And that's not an integer value. It's between 1 and 0. …

Reddit by Alternative-Grade103 November 19, 2025

Floor division in RSA key generation?

Greetings all! This is my very first post. I'm working to add RSA to a data encryption system which I am authoring in Forth. This as a retirement hobby project. When finished I will put it into the public domain. Please kindly affirm or correct my understanding with respect to …

Reddit by upofadown November 18, 2025

The Why of PGP Authentication

Reddit by MarekKnapek November 18, 2025

6 years after too much crypto

Reddit by thinkanatoly November 16, 2025

Built a simple file encryption tool after getting frustrated with complex options - Feedback wanted

**TL;DR:** Work in healthcare, needed to encrypt patient files easily before sending via email, or just stored . Existing tools were either too complex or enterprise-only. Built something simpler using the same encryption as Signal/WhatsApp. --- **The Problem:** I recurrently spent ages trying to encrypt any file. The process ends …

Reddit by david_nepozitek November 13, 2025

The X Chat Protocol Reverse-Engineered

Can Elon Musk read your messages on X Chat? I’ve reverse-engineered the X Android app to find out whether it is as secure as claimed. Spoiler: It's not