Thanks I tried that.
But openssl base64 -d -A -in key.b64 -out key.bin
does NOT work for exponent 3 keys!!! 

How do I convert exponent 3 keys.??



-----Original Message-----
From: Dr S N Henson [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, October 23, 2001 10:24 AM
To: [EMAIL PROTECTED]
Subject: Re: Convert ASCII BER to RSA PRIVATE KEY


Sabyasachi Gupta wrote:
> 
> Hi,
> 
> Is there a way to convert single line ASCII BER private key (Base 64
> encoded) to
> a RSA PRIVATE KEY file which is recognized by Openssl.
> 

Depends on the format. There's various forms it could be. For a start
try converting it to binary form with:

openssl base64 -d -A -in key.b64 -out key.bin

then try various private key formats:

openssl rsa -inform DER -in key.bin
openssl pkcs8 -in key.bin -inform DER
openssl pkcs8 -in key.bin -inform DER -nocrypt

if one of those works without error it should output the key in PEM
format.

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


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