On Fri, Jul 15, 2016 at 12:07:09PM +0200, Pol Hallen wrote: > alice.c:50:18: error: unknown type name ‘md5_context’ > void md5_starts( md5_context *ctx ) These aren't typedefs used by openssl. It looks like your code is designed to be used with a completely different md5.h. FWIW, last time I wanted to do md5 in C, I copied the code into my own project. I got it from the source to dpkg, which did the same thing. https://github.com/chocolate-doom/chocolate-doom/commit/09180d3f73e522c1e0c43993aec28cf339dcf74d#diff-2fd6f21ae40fa979b9535d9f78ae4f0d > alice.c:61:37: error: unknown type name ‘uint8’ > void md5_process( md5_context *ctx, uint8 data[64] ) > ^ This code must rely on some header or library defining a bunch of integer types. uint8 is clearly meant to be an unsigned char. There's a standard header <inttypes.h> that gives you uint8_t and friends, but not without the _t suffix. inttypes.h is part of the ISO C99 standard and perhaps others. You need to find out what the actual dependencies of the code you are trying to compile. -- Jonathan Dowland Please do not CC me, I am subscribed to the list.
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