RE: H.235 cryptoEPPwdHash Token

Finny <Finny@xxxxxxxxxxxxxxxxxxx> · Tue, 31 Aug 2004 18:29:22 +0530

Title: H.235 cryptoEPPwdHash Token

To generate 
the MD5 Digest for "CryptoEPPwdHash" token, i thought of using the 
following procedure .

  Use 
the ASN.1 encoder to 
encode  Password, the timestamp, and the alias alone. 
Perform an MD5 Hash on the ASN.1 encoded buffer. This results in a 
16-byte Hash

can i use the same 
procedure to generate the Digest?? or anybody please give me the correct 
implementation??

Thanks in 
Advance
Finny

  -----Original Message-----
From: 
  openh323gk-users-admin@xxxxxxxxxxxxxxxxxxxxx 
  [mailto:openh323gk-users-admin@xxxxxxxxxxxxxxxxxxxxx]On Behalf Of Rafat 
  Subhan
Sent: Tuesday, August 31, 2004 3:06 PM
To: 
  openh323gk-users@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: 
   H.235 cryptoEPPwdHash Token

  i think u will get some 
  documentation from cypher.cxx of pwlib, where they little document 
  it.

    ----- Original Message ----- 
    From: 
    Finny 
    To: 'openh323gk-users@xxxxxxxxxxxxxxxxxxxxx' 

    Sent: Tuesday, August 31, 2004 02:16 
    PM
    Subject: RE:  H.235 
    cryptoEPPwdHash Token

    Thanks for your reply.

    I 
    need to test  H235 implementation with gnugk and cisco GK. I could 
    not find information realted to "cryptoEPPwdHash" token in 
    standards. I do not know how to generate "hash" for this "cryptoEPPwdHash" 
    token.

    Please help me out how to generate digest using 
    MD5.

    Thanks in Advance
    Finny

      -----Original Message-----
From: openh323gk-users-admin@xxxxxxxxxxxxxxxxxxxxx 
      [mailto:openh323gk-users-admin@xxxxxxxxxxxxxxxxxxxxx]On Behalf Of 
      Rafat Subhan
Sent: Tuesday, August 31, 2004 2:22 
      PM
To: openh323gk-users@xxxxxxxxxxxxxxxxxxxxx
Subject: 
      Re:  H.235 cryptoEPPwdHash Token

      u need to look at 
      simplepassword checkcrypto tokens procedure.
      in which it is passing to 
      MD5.
      tell me what do u wanna 
      do?

        ----- Original Message ----- 
        From: 
        Finny 
        To: 'openh323gk-users@xxxxxxxxxxxxxxxxxxxxx' 

        Sent: Monday, August 30, 2004 06:42 
        PM
        Subject:  H.235 
        cryptoEPPwdHash Token

        Hi 
   I'm working on H235 and I use "CryptoEPPwdHash" 
        token for authentication.Anybody help me out how to get the digest using 
        MD5? What parameters need to pass to MD5?
        Thanks in Advance 
        -Finny 