What does OpenSSL's EVP mean?

Question

What does OpenSSL's EVP mean? I know it is a higher level crypto interface library in OpenSSL, but what do the letters E-V-P stand for?

Thanks, Chenz

Dave Bacher 5,311 1 13 22 · Answer 1 · Jun 16 '10 at 17:03

up vote 10 down vote

Interesting question. I don't know for sure, but the #ifndef at the top of evp.h is:

#ifndef HEADER_ENVELOPE_H

So, I'm guessing Envelope.

answered Jun 16 '10 at 17:03

Dave Bacher
5,311 1 13 22

Better guess than I could come up with. – Crazy Chenz Jun 16 '10 at 17:11

1

That's right - the EVP_* functions are "envelope encryption". – caf Jun 21 '10 at 14:48

What does OpenSSL's EVP mean? OpenSSL中的EVP是什么意思?