[Cryptography] Clinton email issues

[Ángel]

On 2019-03-23 at 22:49 -0400, Phillip Hallam-Baker wrote:


> OK so there is some magic: I change the email address to embed the
> fingerprint of the recipient:

> alice at example.com.mm--mb2gk-6duf5-ygyyl-jny5e-rwshz   
> 
> If the email client is Mesh enabled, it can recognize this as a SIN
> and work out that it needs to apply a security policy (OpenPGP or
> S/MIME) that has the fingerprint mb2gk-


Is the fingerprint mb2gk- or mb2gk-6duf5-ygyyl-jny5e-rwshz? If the
earlier, isn't that a fingerprint too short to be relied on?