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Re: [dkim-dev] Why does DKIM still use 1024 bit keys when SSL requires 2048 bit?

2017-09-06 15:51:42
Giri,

The minimum acceptable key sizes for DKIM (and related issues) are
currently being revised by the IETF DKIM Crypto Update (dcrup) working
group.

For more details, see:

https://datatracker.ietf.org/wg/dcrup/about/

-Jim

On 9/6/17 12:03 PM, Viruthagiri Thirumavalavan wrote:

DKIM still support 1024 bit keys. However SSL minimum bit size
requirement is 2048 bit.

https://www.symantec.com/connect/blogs/deadline-upgrade-2048-bit-ssl-certificates-sooner-you-might-think

If 1024 bit isn't considered secure anymore, then it also affects DKIM
right?  Can anyone tell me why such requirement is not there in DKIM?  

Can't we just enforce 2048 bit keys?

-- 
Regards,
Giri


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