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Using OPENSSL to generate Self Signed certs - how you you set a NOT BEFORE date on the cert ?

Posted on 2014-10-30
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Last Modified: 2015-01-08
Using OpenSSL to generate some self certs and I need to create a certificate with a specific date in the past.

What are the steps and switches needed if possible ?
I am using the following to create amy self cert, is there a switch to set a start date ?
openssl x509 -req -days 365 -in server.csr -signkey -node server.key -out server.crt
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Question by:ccfcfc
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Dave Howe earned 500 total points
ID: 40414089
do you *need* to use openssl? the x509 subtool doesn't allow specifying a start date, although the ca subtool does (and can generate self-signed certs if needed)

however, I would recommend you use XCA - A java based GUI tool that lets you specify such things easily.
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by:ccfcfc
ID: 40415475
Perfect, thats a good tool in deed I must say .
Thanks very much
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