> Great! That does suggest an unknown bug exists in master though... > >If you can manage it would be useful for us if you tried the latest master version of OpenSSL with the "no-asm" config option. My guess is new assembler code might be the cause of this. If turning off assembler resolves the issue then that would confirm my guess. You are right, I ran through the builds and it appears indeed no-asm fixes the problem with the current github master on raspberry pi (aarch64, little-endian). Let me know if you need any more info! Paavo