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The MEM client S/MIME encryption algorithm must support both 3DES and AES.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-32793 | WIR-WMS-MEM-12 | SV-43139r1_rule | ECCT-1 | Medium |
| Description |
|---|
| DES and AES are the DoD standard for unclassified data encryption based on DoD PKI certificates. AES is preferred but some DoD CACs only support the 3DES encryption algorithm. When other encryption algorithms are used (non-type-1) the level of trust that sensitive DoD data cannot be compromised is not available. |
| STIG | Date |
|---|---|
| Mobile Email Management (MEM) Server Security Technical Implementation Guide (STIG) | 2013-05-08 |
Details
| Check Text ( C-41126r4_chk ) |
|---|
| Verify the MEM client S/MIME encryption algorithm supports both 3DES and AES. When AES is used, AES 128-bit encryption key length is the minimum requirement; AES 256 desired. Talk to the site system administrator and have them show this capability exists in the MEM server. Also, review MEM product documentation. Mark as a finding if the MEM server does not have required features. |
| Fix Text (F-36674r2_fix) |
|---|
| Use a MEM product that supports S/MIME encryption with an algorithm that supports both 3DES and AES. |