GHSA-574F-3G2M-X479 Bouncy Castle for Java GOST 28147 CTR mode reuses keystream after 255 blocks

The GOST 28147-2015 CTR mode implementation G3413CTRBlockCipher in the Legion of the Bouncy Castle BC-JAVA bcprov core module only increments the final byte of the counter, so the counter wraps after 255 blocks and the keystream is reused. Reusing CTR keystream allows an attacker who can observe...

VeraCrypt Audit Reveals Critical Security Flaws — Update Now

After TrueCrypt mysteriously discontinued its service, VeraCrypt became the most popular open source disk encryption software used by activists, journalists, as well as privacy conscious people. First of all, there is no such thing as a perfect, bug-free software. Even the most rigorously tested...