Wireshark-users: Re: [Wireshark-users] can't load private key from /root/foo.pem
From: "Thiago Moreira (timba)" <tmoreira2020@xxxxxxxxx>
Date: Tue, 19 Jan 2010 12:10:56 -0200

  Hey Ian,

  I just configured a file and got a bunch of this message:

  dissect_ssl enter frame #1118 (first time)
  conversation = 0xb24a8940, ssl_session = 0xb24a9610
  record: offset = 0, reported_length_remaining = 2549
dissect_ssl3_record: content_type 23
decrypt_ssl3_record: app_data len 2544 ssl, state 0x17
association_find: TCP port 8443 found 0xba9e87e8
packet_from_server: is from server - TRUE
decrypt_ssl3_record: using server decoder
decrypt_ssl3_record: no decoder available
association_find: TCP port 8443 found 0xba9e87e8

 "no decoder available" is this my problem?

  Thanks

  Thiago Moreira

On Tue, Jan 19, 2010 at 11:38 AM, Ian Schorr <ian.schorr@xxxxxxxxx> wrote:
I've been having a lot of problems with the SSL and Kerberos decryption lately. Odd thing I've found is that when I can decrypt on a Windows release, I can't on a unix (at least, Linux and OS X). And if I can decrypt on a Unix, I can't in Windows. It's traffic-dependent somehow, but I haven't spent much time investigating. Maybe you're having a similar problem?  

Have you configured an ssl debug file (in the protocol prefs)?

-Ian


On 20/01/2010, at 12:27 AM, "Thiago Moreira (timba)" <tmoreira2020@xxxxxxxxx> wrote:


  Hey Sake,

 This is my configuration: 127.0.0.1,8443,http,/home/tmoreira2020/foo.pem . It is pretty straightforward like yours, except the IP address but it does not work.

  Is there a way to debug deeper on wireshark to know if the SSL key is being used/loaded/matched?

  Cheers

  Thiago Moreira

On Tue, Jan 19, 2010 at 5:36 AM, Sake Blok <sake@xxxxxxxxxx> wrote:
There is no need to use the "Decode As..." if you configure the RSA key list correctly in the SSL protocol preferences. You should configure the RSA key list like this:
 
<server-ip>,<server-port>,<protocol inside ssl>,<key-file-location>
 
If I understand you correctly, your SSL traffic is not on port 443, so let's assume your server is at 10.0.0.1 and uses port 8443 and the protocol inside SSL is http, you would use:
 
10.0.0.1,8443,http,/root/foo.pem
 
Hope this helps,
Cheers,
     Sake
----- Original Message -----
Sent: Tuesday, January 19, 2010 12:07 AM
Subject: Re: [Wireshark-users] can't load private key from /root/foo.pem


  Thank you Sake! The error message has gone away. 

  But I'm still not able to see the header of http in a plain text. I'm using the context menu "Decode As.." to decode the encrypted packet but no success! Any clue?

  Thanks

On Mon, Jan 18, 2010 at 6:48 PM, Sake Blok <sake@xxxxxxxxxx> wrote:
The file /root/foo.pem probably contains both the certificate and the key. You should delete the part with the certificate. Or you could use the following openssl command:
 
openssl pkcs12 -in foo.p12 -out foo.pem -nodes -nocerts
 
Hope this helps,
Cheers,
     Sake
 

----- Original Message -----
Sent: Monday, January 18, 2010 8:12 PM
Subject: [Wireshark-users] can't load private key from /root/foo.pem

  Hi there,

  I'm facing the following error when adding a private key to the "RSA key list" field on Wireshark preferences. 

  can't load private key from /root/foo.pem

  The key was generated by $JAVA_HOME/bin/keytool and then I used the following commands to export it to a PEM format

  keytool -importkeystore -srckeystore .keystore    -destkeystore foo.p12    -srcstoretype jks    -deststoretype pkcs12
 openssl pkcs12 -in foo.p12 -out foo.pem

  My question is how can I find out what is going on? Is there any debug flag that can use to help me find out the issue?

  Thanks in advance

  Thiago Moreira


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