I tried searching through the archives of this mailing list, but the search function didn't work so pardon me if this has been asked many times before.
I'm trying to do a bunch of stuff (encrypting with DES, RSA, getting random data) and I'd like it to be as painless as possible. I assumed that this was what the ENGINE functions were for but the man pages and documentation for that are really lousy. It seems like it was created solely for openssl and as an afterthought was made with the intention that someday it could be used by someone else. I've tried looking through the openssl source to findout how to call these things, but its a maze of function pointers and I'm just getting really down and frustrated.
So what's the easiest way to access basic cryptographic functions and PRNGs from a stand alone C program. What headers should I include? What should I link against? I'd like things like:
encrypt(SOME_CIPHER_TYPE, char * data, int size_of_data)
and
get_random(char * output, int random_bytes)I don't particularly want to have to call tons of init_opaque_structure(&x) and the like just to get functions like the ones above, but I will if I have to.
And are there any good HOW-TOs for this kind of stuff?
- Peter
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