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Status Not under consideration
Workspace AIX
Created by Guest
Created on Jun 12, 2019

RELATED IDEAS

Need stronger ciphers when encrypting the AIX file systems.

We've AIX servers with OS level at 7100-05-03-1846. When implementing AIX EFS (encrypted file system), the only ciphers available are as per the efsenable command documentation are as follows:

List of supported algorithms for keystores:
1 RSA_1024
2 RSA_2048
3 RSA_4096

List of supported ciphers for files:
1 AES_128_CBC
2 AES_192_CBC
3 AES_256_CBC
4 AES_128_ECB
5 AES_192_ECB
6 AES_256_ECB

I think IBM needs to introduce stronger ciphers to enable encryption on AIX. Let's assume the above ciphers are added to the sshd_config file, they're a STIG (Security Technical Implementation Guide). so, hopefully IBM implements stronger ciphers.

Idea priority High
  • Guest
    Reply
    |     Nov 11, 2020

    future AIX investment in data at rest encryption will be in AIX logical volume encryption first introduced in AIX 7.2 Technology level 5. AIX logical volume encryption supports more modern ciphers than compared with AIX EFS.

  • Guest
    Reply
    |     Sep 16, 2020

    Hello, we use SHA256 and AES256-CTR.

  • Guest
    Reply
    |     Jun 18, 2019

    I've created a case number (TS002341297) with the support team and here is the snapshot of the support team comments
    I have discussed this with our development team.   It is currently not possible to use aes256-ctr encryption. They recommend opening an RFE and requesting that aes256-ctr be added to EFS ciphers.  The RFE will be evaluated by our development team and you should receive a response directly from the team.

  • Guest
    Reply
    |     Jun 17, 2019

    .Hi, Please specify the required ciphers for your organization. Thanks,

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