Maybe i figured it out:
The first byte of a bit string tells the number of unused bits in the last
byte of the bit string, right?

> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Sascha Kiefer
> Sent: Dienstag, 1. Mai 2007 09:08
> To: [email protected]
> Subject: RE: OCSP Response Signature
> 
> Thanks for the hint.
> I found out that i looked at the right signature value.
> The only difference is that my signature starts with '00'H 
> (it always does).
> Looking at the actually OCSP binary response shows me that 
> this '00'H is really part of the data but it is somehow 
> skipped by the openssl implemenation.
> My question now is: why is the '00'H part of the asn.1 stream 
> but not used at all?
> 
> Openssl signature value:
> 
> 0000: 0d 68 18 d4 8a 35 b0 a4 - 40 79 af c3 a1 93 6f ea    
> [EMAIL PROTECTED]
> 0010: 2a 91 51 e4 f6 07 6c a2 - 8e 52 5d 07 87 77 0e 2c    
> *æQõ÷.lóÄR].çw.,
> 0020: bb 26 4e 07 e1 46 c5 fc - ad 56 ad b2 6a b4 12 fe    
> +&N.ßF+³¡V¡¦j¦.¦
> 0030: c4 0d 89 3f 83 32 6f 5e - 05 eb 10 0b 21 4a ba 56    
> -.ë?â2o^.Ù..!J¦V
> 0040: f8 53 0a 13 0d e3 57 87 - 0f e0 80 d3 a7 f9 a2 78    
> °S...ÒWç.ÓÇ˺¨óx
> 0050: bd 40 dc 4e 95 e3 ca 0a - 4c 02 08 c0 de 5f b9 72    
> [EMAIL PROTECTED]
> 0060: 4e b7 16 7f 10 76 89 0f - ee 59 6c 5c 48 4a cb cb    
> NÀ.¦.vë.¯Yl\HJ--
> 0070: 5e e7 f6 82 8d b5 e0 97 - 8b 80 38 5c c7 81 a5 e5    
> ^þ÷éìÁÓùïÇ8\ÃüÑÕ
> 
> My signature value:
> 
> 0000: 00 0d 68 18 d4 8a 35 b0 - a4 40 79 af c3 a1 93 6f    
> [EMAIL PROTECTED]
> 0010: ea 2a 91 51 e4 f6 07 6c - a2 8e 52 5d 07 87 77 0e    
> Û*æQõ÷.lóÄR].çw.
> 0020: 2c bb 26 4e 07 e1 46 c5 - fc ad 56 ad b2 6a b4 12    
> ,+&N.ßF+³¡V¡¦j¦.
> 0030: fe c4 0d 89 3f 83 32 6f - 5e 05 eb 10 0b 21 4a ba    
> ¦-.ë?â2o^.Ù..!J¦
> 0040: 56 f8 53 0a 13 0d e3 57 - 87 0f e0 80 d3 a7 f9 a2    
> V°S...ÒWç.ÓÇ˺¨ó
> 0050: 78 bd 40 dc 4e 95 e3 ca - 0a 4c 02 08 c0 de 5f b9    
> [EMAIL PROTECTED]
> 0060: 72 4e b7 16 7f 10 76 89 - 0f ee 59 6c 5c 48 4a cb    
> rNÀ.¦.vë.¯Yl\HJ-
> 0070: cb 5e e7 f6 82 8d b5 e0 - 97 8b 80 38 5c c7 81 a5    
> -^þ÷éìÁÓùïÇ8\ÃüÑ
> 0080: e5                      -                            Õ
> 
> 
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of Dr. 
> Stephen Henson
> > Sent: Freitag, 27. April 2007 20:36
> > To: [email protected]
> > Subject: Re: OCSP Response Signature
> > 
> > On Fri, Apr 27, 2007, Sascha Kiefer wrote:
> > 
> > > Thanks for your response.
> > > Please see the other mail i wrote in response.
> > > The one that has the complete ocsp response dump. 
> > > 
> > 
> > You should be able to use the OpenSSL ocsp utility to test 
> that stuff, 
> > including (with a debugger or printf) the expected hash 
> value of the 
> > response.
> > 
> > Steve.
> > --
> > Dr Stephen N. Henson. Email, S/MIME and PGP keys: see 
> homepage OpenSSL 
> > project core developer and freelance consultant.
> > Funding needed! Details on homepage.
> > Homepage: http://www.drh-consultancy.demon.co.uk
> > 
> ______________________________________________________________________
> > OpenSSL Project                                 
> http://www.openssl.org
> > Development Mailing List                       
> [email protected]
> > Automated List Manager                           
> [EMAIL PROTECTED]
> > 
> 
> ______________________________________________________________________
> OpenSSL Project                                 http://www.openssl.org
> Development Mailing List                       [email protected]
> Automated List Manager                           [EMAIL PROTECTED]
> 

______________________________________________________________________
OpenSSL Project                                 http://www.openssl.org
Development Mailing List                       [email protected]
Automated List Manager                           [EMAIL PROTECTED]

Reply via email to