Does your organisation still use certificates with an RSA key-length of at most 1024 bits?

by George Chetcuti [Published on 23 Jan. 2014 / Last Updated on 23 Jan. 2014]

The Dutch National Cyber Security Centre (NCSC) publishes a factsheet about certificates that contain RSA keys which are being phased-out. This provides you with more information and perspectives for action.

Certificates need to contain keys of sufficient length. For a certificate based on the RSA algorithm, a key of 1024 bits is too short. Large certificate providers have announced that they will no longer issue certificates with RSA keys of up to 1024 bits as of 1 January. Some of these providers will revoke certificates with RSA keys of up to 1024 bits that they have issued previously.

Download NCSC factsheet from here -

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