Golang program used an unsafe PRNG seeded with a shortened timestamp.

Full writeup: [https://ctf.rip/write-ups/crypto/ractf-2021-military-grade/](https://ctf.rip/write-ups/crypto/ractf-2021-military-grade/)

Original writeup (https://ctf.rip/write-ups/crypto/ractf-2021-military-grade/).