Is the Initialization Vector (IV) of the CTR Cypher encryption method randomly initialized before each encryption?
Issue
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CTR Cypher - Requiring confirmation that the counter value is randomly initialized before each encryption
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Is it possible to provide evidence that the ciphers
aes256-ctr,aes192-ctrandaes128-ctrhave counter values that are randomly initialized and that there are no settings to disable it? -
For CTR to be compliant with SWIFT Controls, we must provide evidence that the counter value is randomly initialized before each encryption
Environment
- Red Hat Enterprise Linux (RHEL) 7.6
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