Re: [PATCH] configure.ac/cipher.c: Check for OpenSSL with EVP_des_ede3_cbc

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On Wed, 18 Apr 2018, Darren Tucker wrote:

> On 18 April 2018 at 17:35, Hongxu Jia <hongxu.jia@xxxxxxxxxxxxx> wrote:
> > While compiling openssl with option `no-des', it caused the openssh
> > build failure
> 
> OpenSSL configured that way defines OPENSSL_NO_DES (which is kind of
> backward, but that's how OpenSSL does it, and how OpenSSH already
> handles OPENSSL_NO_RC4).
> 
> 3des-cbc is the only cipher that is required by RFC4253, but on the
> other hand building without OpenSSL will already omit it.  @djm?

I have no objection to our handling OPENSSL_NO_DES and ommitting
3des-cbc. It's pretty easy to do since it doesn't appear in any
default cipher lists any more...

-d
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