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Is it possible to generate a new CSR with the same RSA pair?

sgonsalv
Level 1
Level 1

Hi Giles,

In the event a certificate needs to be renewed, is it possible to generate a new CSR using the same RSA key pairs?

From the testing i've been doing, it appears that a new CSR can only be obtained when the RSA key pair is regenerated.

thanks,

Sheldon

1 Accepted Solution

Accepted Solutions

unfortunately I don't know if this is possible or not.

If not possible, you can export your key and certificate and use openssl.

I personally prefer to play with openssl than relying on the SSLM tools - not that they are not good but because openssl is a standard and therefore can be used for any plaform.

Gilles.

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3 Replies 3

Gilles Dufour
Cisco Employee
Cisco Employee

with openssl you can generate a new CSR w/ an existing key pair.

The command is

openssl req -pubkey -key -new

Regards,

Gilles.

Thanks...i should have been more specific to say is this possible on the SSL Module. From my testing it doesn't appear that this can be done on the module?

thanks,

Sheldon

unfortunately I don't know if this is possible or not.

If not possible, you can export your key and certificate and use openssl.

I personally prefer to play with openssl than relying on the SSLM tools - not that they are not good but because openssl is a standard and therefore can be used for any plaform.

Gilles.

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