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Re: [ietf-dkim] DKIM Key Sizes

Scott Kitterman <ietf-dkim@kitterman.com> Mon, 31 October 2016 04:03 UTC

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From: Scott Kitterman <ietf-dkim@kitterman.com>
To: ietf-dkim@mipassoc.org
Date: Mon, 31 Oct 2016 00:02:03 -0400
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Subject: Re: [ietf-dkim] DKIM Key Sizes
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On Sunday, October 30, 2016 05:50:33 PM John R. Levine wrote:
> > It's also probably worth ensuring that the major open source DKIM
> > implementations support both signing and verifying with 4096-bit keys.
> > Aside from OpenDKIM and dkimpy, are there any others that should be
> > checked?
> Perl Mail::DKIM is still widely used.  It calls Crypt::OpenSSL::RSA which
> is a wrapper around openssl so I'd be surprised if it had trouble with
> large keys.

There's also https://sourceforge.net/projects/libdkim/ by ALT-N.

Scott K
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