2023-06-08 01:16:31 +01:00
|
|
|
= Security Levels
|
|
|
|
|
|
2023-07-16 02:55:46 +01:00
|
|
|
// Copyright 2023 Jake Winters
|
|
|
|
|
// SPDX-License-Identifier: CC-BY-4.0
|
|
|
|
|
|
|
|
|
|
Version: 1.0.2.7
|
2023-06-08 01:16:31 +01:00
|
|
|
|
|
|
|
|
|
|
|
|
|
== S0
|
|
|
|
|
|
|
|
|
|
Intended access: Public
|
|
|
|
|
|
|
|
|
|
Encryption: None
|
|
|
|
|
|
|
|
|
|
Signing: Optional
|
|
|
|
|
|
|
|
|
|
== S1
|
|
|
|
|
|
|
|
|
|
Intended access: Authorised users of S1 or lower security levels
|
|
|
|
|
|
|
|
|
|
Encryption: Enforced
|
|
|
|
|
|
|
|
|
|
Signing: Enforced
|
|
|
|
|
|
|
|
|
|
Permitted symmetrical encryption ciphers (order of preference):
|
|
|
|
|
|
|
|
|
|
* AES
|
|
|
|
|
* ChaCha20*
|
|
|
|
|
* Twofish
|
|
|
|
|
|
|
|
|
|
== S2
|
|
|
|
|
|
|
|
|
|
Intended access: Authorised users of S2 or lower security levels
|
|
|
|
|
|
|
|
|
|
Encryption: Enforced
|
|
|
|
|
|
|
|
|
|
Signing: Enforced
|
|
|
|
|
|
|
|
|
|
Permitted symmetrical encryption ciphers (order of preference):
|
|
|
|
|
|
|
|
|
|
* AES
|
|
|
|
|
* ChaCha20*
|
|
|
|
|
* Twofish
|
|
|
|
|
|
|
|
|
|
== S3
|
|
|
|
|
|
|
|
|
|
Intended access: Authorised users of s3 or lower security levels
|
|
|
|
|
|
|
|
|
|
Encryption: Enforced
|
|
|
|
|
|
|
|
|
|
Signing: Enforced
|
|
|
|
|
|
|
|
|
|
Permitted symmetrical encryption ciphers (order of preference):
|
|
|
|
|
|
|
|
|
|
* AES
|
|
|
|
|
* ChaCha20*
|
|
|
|
|
|
|
|
|
|
== S4
|
|
|
|
|
|
|
|
|
|
Intended access: Authorised users of s4 or lower security levels
|
|
|
|
|
|
|
|
|
|
Encryption: Enforced
|
|
|
|
|
|
|
|
|
|
Signing: Enforced
|
|
|
|
|
|
|
|
|
|
Permitted symmetrical encryption ciphers (order of preference):
|
|
|
|
|
|
|
|
|
|
* AES
|
|
|
|
|
* ChaCha20*
|
|
|
|
|
|
|
|
|
|
*Preferred when hardware-accelerated AES is unavailable.
|
