On 30 September 2014 18:32, ronnie sahlberg <ronniesahlb...@gmail.com> wrote: > On Tue, Sep 30, 2014 at 9:17 AM, Wendy Lin <wendlin1...@gmail.com> wrote: >> On 30 September 2014 17:55, ronnie sahlberg <ronniesahlb...@gmail.com> wrote: >>> On Tue, Sep 30, 2014 at 8:25 AM, Wendy Lin <wendlin1...@gmail.com> wrote: >>>> On 30 September 2014 15:25, Rick van Rein <r...@openfortress.nl> wrote: >>>>> Hi, >>>>> >>>>>>>> Does Kerberos5 have a ticket to ascii converter so someone can see >>>>>>>> what a ticket looks like in plain text? >>>>>>> >>>>>>> You might use any ASN.1 parser to see the structure, without it >>>>>>> actually being spelled out in terms of the Kerberos field names. >>>>>> >>>>>> Is the file format of the ticket cache in ASN.1? >>>>> >>>>> That would depend on its implementation. >>>> >>>> MIT kerberos 1.12, DIR: cache >>>> >>>>> You asked for tickets ;-) which are defined in ASN.1 in the RFCs. I >>>>> think the WireShark suggestion is better than mine, but it won’t do what >>>>> you are asking. >>>> >>>> Why? >>> >>> One reason is because most of the ticket are encrypted blobs. Without >>> decryption these blobs will just look like huge piles of random bytes, >>> so there is not really much interesting to see in the ticket. >>> If you want to look at the interesting parts of a ticket you really >>> want to decrypt these blobs. >> >> OK >> >> is there a C function in libkrb5 which takes a keytab and the data >> blob as parameter, and returns the decrypted data blob? > > In wireshark I use krb5_c_decrypt(). It takes a key, not a keytab, so > you may need to iterate over all keys in the keytab. > > See: > https://code.wireshark.org/review/gitweb?p=wireshark.git;a=blob;f=asn1/kerberos/packet-kerberos-template.c;h=9eb82ab37f8d89ef57f691df656e063d8ad6c713;hb=HEAD#l400 > > (We iterate over all the keys in wireshark and try them one by one > because it was easier than tracking SPN->key mappings.) > >
What is a SPN? > > >> >> Wendy Wendy ________________________________________________ Kerberos mailing list Kerberos@mit.edu https://mailman.mit.edu/mailman/listinfo/kerberos
