Re: ASN.1 dump/diagnostic utility updated

[Rodney Thayer <rodney@xxxxxxxxxxxxx>]

Thank you!  We have retrieved this and used it at the ANX workshop.  P.s.
compiles with no problem in VC4.2 on Windows 95

At 11:22 AM 6/3/97, you wrote:
>[I've had quite a few requests for this so I'm sending this annoucement to
the 
> three most appropriate lists, apologies if you see it more than once]
> 
>I've just updated my ASN.1 dump/diagnostic utility to handle the BER a bit 
>better, which means you can now display things like PKCS #7 objects and (in 
>general) anything else which mixes BER and DER-encoded data.  The program is 
>aware of most of the common crypto-related object identifiers and types, so 
>it'll give you a proper description of what it is you're looking at.  Here's 
>some sample output from the start of a cert:
> 
>   0 30  618: SEQUENCE {
>   4 30  467:   SEQUENCE {
>   8  2    4:     INTEGER 830525701
>  14 30   13:     SEQUENCE {
>  16  6    9:       OBJECT IDENTIFIER
>            :         md5withRSAEncryption (1 2 840 113549 1 1 4)
>  27  5    0:       NULL
>            :       }
>  29 30  125:     SEQUENCE {
>  31 31   11:       SET {
>  33 30    9:         SEQUENCE {
>  35  6    3:           OBJECT IDENTIFIER countryName (2 5 4 6)
>  40 13    2:           PrintableString 'Ca'
>            :           }
>            :         }
>  [etc]
> 
>Hopefully the program will prove useful for picking apart certs and data 
>objects for debugging and diagnostic purposes, especially now that it
handles 
>BER data properly.  You can get it from 
>http://www.cs.auckland.ac.nz/~pgut001/dumpasn1.c.
> 
>Peter.
> 
>
>
>

                        ---- ----
               Rodney Thayer rodney@sabletech.com
Sable Technology Corporation +1 617 332 7292
           246 Walnut Street +1 617 332 7970 (Fax)
            Newton, MA 02160