https://github.com/jcushman/libgfshare/blob/master/src/libgfshare.c#L311 https://github.com/jcushman/libgfshare/blob/master/src/libgf... this has obvious timin

https://github.com/jcushman/libgfshare/blob/master/src/libgfshare.c#L311 https://github.com/jcushman/libgfshare/blob/master/src/libgf... this has obvious timing and cache sidechannels on the secret data. (IIRC SSSS is even worse, however.)