Wu Zhigang wrote:
> 
> Hi,
> 
> can an expert give me some ideas what is mean of a
> req_attributes? Do I have to provide these when
> generate a req?
> 
> [ req_attributes ]
> challengePassword               = A challenge password
> challengePassword_min           = 4
> challengePassword_max           = 20
> 
> unstructuredName                = An optional company name
> 

Usually you can completely ignore these. They are part of the PKCS#10
request specification but OpenSSL ignores them at present and few CAs
require their use.

The original idea behind challengePassword was to allow a password to be
included with the request which would need to be given in order to
revoke the certificate. 

Steve.
-- 
Dr Stephen N. Henson.   http://www.drh-consultancy.demon.co.uk/
Personal Email: [EMAIL PROTECTED] 
Senior crypto engineer, Celo Communications: http://www.celocom.com/
Core developer of the   OpenSSL project: http://www.openssl.org/
Business Email: [EMAIL PROTECTED] PGP key: via homepage.

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