[OTR-users] What key size am I using?

Tue Dec 17 09:43:55 EST 2013

The 1024-bit DSA keys are used in the Diffie-Hellman key agreement to come up
with keys/passwords for AES-128 encryption that actually encrypts the messages.

My question is: are 1024-bit keys required?  Could I generate and use larger
DSA keys? If not, anyone know the limiting factors?

.hc

On 12/17/2013 09:26 AM, Matt D wrote:
> I'm sorry, please pardon my ignorance:  So the encryption algorithm is
> AES-128.  I was under the impression the the key for this is a 128 bit
> key?  And then there is a different key for users to 'shake hands' ?
> 
> Perhaps you could point me to somewhere explaining the nitty-gritty?
> 
> On 12/16/2013 09:01 PM, Ian Goldberg wrote:
>> Encryption is 128-bit AES, derived from a 1536-bit Diffie-Hellman
>> key agreement.  Long-term authentication keys are 1024-bit DSA.
> 
> 
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