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All you need to know about 128-bit

The 128-bit encryption level has been regulated in France for a while. You'll find here some information about the current situation and the technology condition.

It does not impact the normal operation of the installed certificates.
Technically the consequences should be limited on the secured services: indeed, current browsers give by default priority to high encrypted negociations and most of the time enable 128- or 256-bit encrypted connections. Moreover, most up-to-date servers are pre-configured to use 128-bit encryption minimum.

Which browsers behave differently?
A behavior difference between GlobalSign SGC and standard certificates can be witnessed on the rare following browsers (more than 10 years old and rarely used nowadays):

  • Internet Explorer export version 5.01 (Release date, 18/12/2001)
  • Netscape version export version 4.51 Ã 4.72 (Release date March 1999)
  • Systems under Windows 2000 delivered prior to March 2001 and that did not download Microsoft High Encryption Pack or Service Pack 2 and using Internet Explorer

More recent browsers are natively 128- or 256-bit and behave the same way with or without a SGC certificate.

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