On Fri, 5 May 2017 14:16:37 +0200
> There was concern about my use of MD5 HMAC's so I > took them out. The ELF header of 32 bit systems is too small to fit > SHA256 checksums, so I'm leaving it out. Have you considered CMAC which can be truncated if need be and also could take advantage of AES acceleration. Alternatively, signify perhaps.