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  2. 1024-bit certificate support

Industry Requirements:
Ending Support for 1024-bit keys
Upgrade to 2048-bit keys or
ECC Certificates

Starting in September 2014, major browsers will be disabling 1024-bit roots within their trusted roots stores. Any SSL certificates chained to a 1024-bit root will no longer work on any browsers that takes this action or one that relies on another’s root store.
Customers with certificates chained to a 1024-bit root need to replace and upgrade all affected certificates to SSL certificates chained to a 2048-bit RSA or ECC root by August 31, 2014.
To make this transition as easy as possible below are a few helpful resources:

Generate a New Certificate Signing Request (CSR)

Tools for generating a new CSR for a compliant certificate.

Check Your Certificate's Encryption Strength

Easily determine the key-length of your certificates.

How to Install a Certificate

Learn how to install a certificate on a variety of servers.

Use Symantec Certificate Intelligence Center (CIC)

Track and manage all SSL/TLS certificates in your ecosystem.

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