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Catalog / GeorgeArgyros / Snowflake
Public GitHub Catalog Discovered Sep 25, 2026

GeorgeArgyros / Snowflake

Snowflake is a tool for exploiting randomness vulnerabilities by seed recovery attacks targetting the rand() and mt_rand() generators in PHP applications.

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This repository is cataloged as part of our automated global GitHub synchronization. Full telemetry, velocity snapshots, and code summaries are scheduled for continuous enrichment.

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More from GeorgeArgyros

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GeorgeArgyros/mt_derand

Although the Mersenne Twister PRNG is by design not cryptographically secure many applications tend to use it for cryptographic operations. The mt_derand project provides code to invert the Mersenne Twister generator and obtain its internal state which in turn can be used to predict all future outputs of the generator.

Discovered
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GeorgeArgyros/Secure-random-bytes-in-PHP

This code provides a function to generate ,lightweight, cryptographically secure random bytes in all versions of PHP. It makes use of different secure functions or operating system randomness. If non is available then a clock drift algorithm is used to generate entropy. The function is tested in Ubuntu/Debian Linux, Sun Solaris and Windows XP/2003.

Discovered
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