thx,I am sorry for that i misdescribe my problem,the
fact is that I can generate 256 RSA key,but I can't create
certificate with this key,the wrong mesg is as below:
20239:error:04075070:rsa routines:RSA_sign:digest too big for rsa key:rsa_sign.c:116:
20239:error:0D072006:asn1 encoding routines:ASN1_sign:bad get asn1 object
call:a_sign.c:129:
well,could anyone help me?
----- Original Message -----
From: Ng Pheng Siong <[EMAIL PROTECTED]>
Date: Wed, 24 Mar 2004 12:53:34 +0800
To: [EMAIL PROTECTED]
Subject: Re: how to generate one rsa key which size is 256 or less than 256
> On Wed, Mar 24, 2004 at 11:35:34AM +0800, linux guy wrote:
> > openssl's genrsa can't do this work,any other tool to do this work?
>
> If you must,
>
> Python 2.3.3 (#2, Mar 7 2004, 15:57:59)
> [GCC 2.95.4 20020320 [FreeBSD]] on freebsd4
> Type "help", "copyright", "credits" or "license" for more information.
> >>> from M2Crypto import RSA
> >>> import pydoc
> >>> pydoc.help('RSA.gen_key')
> Help on function gen_key in RSA:
>
> RSA.gen_key = gen_key(bits, e, callback=<function keygen_callback>)
> Factory function that generates an RSA key pair and instantiates
> an RSA object from it.
>
> _bits_ is the key length in bits.
>
> _e_ is the value for e, the RSA public exponent.
>
> (Optional) _callback_ is a Python callback object that will be
> invoked during key generation; its usual purpose is to provide visual
> feedback.
>
> >>> x = RSA.gen_key(128, 65537)
> ..+++++++++++++++++++++++++++
> ..+++++++++++++++++++++++++++
> >>> len(x)
> 128
>
> But like Rich said, this is not sensible.
>
>
> --
> Ng Pheng Siong <[EMAIL PROTECTED]>
>
> http://firewall.rulemaker.net -+- Firewall Change Management & Version Control
> http://sandbox.rulemaker.net/ngps -+- Open Source Python Crypto & SSL
> ______________________________________________________________________
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