Going mad trying to compile against OpenSSL/libcrypto

I have been trying to do this for nearly 3 days now. Its driving me nuts.

As you can imagine I'm quite new to C++.

Can anyone give me step by step instructions to do a hello world program m开发者_运维百科aking use of a function in openssl and compile it from a cygwin shell on Windows.

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You forgot to link with libcrypto. Append -lcrypto to your linker flags.