ANNOUNCEMENT: Live Wireshark University & Allegro Packets online APAC Wireshark Training Session
April 17th, 2024 | 14:30-16:00 SGT (UTC+8) | Online

Wireshark-users: Re: [Wireshark-users] SSL decode "can't decrypt pre master secret"

From: Sake Blok <sake@xxxxxxxxxx>
Date: Wed, 18 Nov 2009 18:42:11 +0100
On Tue, Nov 17, 2009 at 07:50:11AM -0600, Clinton James wrote:
> I can't seem to decrypt an exchange.  Google doesn't seem to give me
> much either.  I hoping someone can point me in the right direction.
> My client app is contacting the server WWW.XXX.YYY.ZZZ via https.
> [...]
> ce 7a 51 81 ff b6 d7 79 eb 8c 2c d5 5e 38 63 f8
> ssl_decrypt_pre_master_secret wrong pre_master_secret length (128,
> expected 48)
> dissect_ssl3_handshake can't decrypt pre master secret

Are you sure the private key is the right one for the certificate
offered by site WWW.XXX.YYY.ZZZ?

Cheers,


Sake