[cryptopp-users] ChaCha AVX implementation bug

Hi Everyone, Austin Clifton found a bug in our ChaCha AVX implementation. C++, SSE2, NEON, ASIMD, and PowerPC are OK. The bug was due to mishandling a carry. Master is now fixed. It was tracked at https://github.com/weidai11/cryptopp/issues/1069. We need to know the impact on folks to

Re: [cryptopp-users] Flipped bit in chacha encrypted file, avx vs sse

On Friday, September 17, 2021 at 9:19:33 PM UTC-4 austin@otoy.com wrote: > Great, thanks for the update. I'll follow the conversation over there. > ... > >> We're tracking this issue at >>> https://github.com/weidai11/cryptopp/issues/1069. >>> >> >> We disabled the AVX2 implementation at