Peter wrote:
...
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.
do want to use some hardware modul or an alternative software
implementation of existing algorithm or why do you want to use
the ENGINE ?
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)
see `man EVP_EncryptInit` [1]
and
get_random(char * output, int random_bytes)
see `man RAND_bytes`
Cheers,
Nils
[1] in case you use a os without manpages, see:
http://www.openssl.org/docs/
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