This is currently one of the two recommended modes of operation.
Configuration is vital. A misconfigured safe protocol is ultimately unsafe.

Last Updated Thu, 12 Dec 2018 12:00:01 -0400


Counter-mode encryption (“CTR mode”) was introduced by Diffie and Hellman already in 1979.CTR mode has significant efficiency advantages over the standard encryption modes without weakening the security. In particular its tight security has been proven. CTR mode is well suited to operate on a multi-processor machine where blocks can be encrypted in parallel.

Getting Started:

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Best Practices and Advisories:

For more details check the FAQ for this algorithm.