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Fix presentation issues with CCM-8 notes #2408

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Dec 7, 2024
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Fix presentation issues with CCM-8 notes #2408

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8 changes: 4 additions & 4 deletions 5.0/en/0x97-Appendix-V_Cryptography.md
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Expand Up @@ -78,14 +78,14 @@ Modern ciphers make use of various modes, particularly AES for various purposes.

The following modes are approved except where the function is encrypted data storage (see next subsection):

| AES Encryption Mode | Authenticated?* | Reference | L1 | L2 | L3 |
| AES Encryption Mode | Authenticated | Reference | L1 | L2 | L3 |
|--|--|--|--|--|--|
| GCM | Yes | [NIST SP 800-38D](https://csrc.nist.gov/pubs/sp/800/38/d/final) | ✓ | ✓ | ✓ |
| CCM | Yes | [NIST SP 800-38C](https://csrc.nist.gov/pubs/sp/800/38/c/upd1/final) | ✓ | ✓ | ✓ |
| CCM-8** | Yes | [RFC 6655](https://www.rfc-editor.org/info/rfc6655) | ✓ | ✓ | ✓ |
| CBC | No | [NIST SP 800-38A](https://csrc.nist.gov/pubs/sp/800/38/a/final) | ✓ | ✓ | ✓ |
| CCM-8 | Yes | [RFC 6655](https://www.rfc-editor.org/info/rfc6655) | ✓ | ✓ | ✓ |
| CBC* | No | [NIST SP 800-38A](https://csrc.nist.gov/pubs/sp/800/38/a/final) | ✓ | ✓ | ✓ |

* All encrypted messages must be authenticated. Given this, for ANY use of CBC mode there MUST be an associated hashing function or MAC to validate the message. This MUST be applied in the 'Encrypt-Then-Hash' or 'ETH' method. If this cannot be guaranteed, then CBC MUST NOT be used.
\* All encrypted messages must be authenticated. Given this, for ANY use of CBC mode there MUST be an associated hashing function or MAC to validate the message. In general, this MUST be applied in the Encrypt-Then-Hash method (but TLS 1.2 uses Hash-Then-Encrypt instead). If this cannot be guaranteed, then CBC MUST NOT be used.

#### Recommendations for Approved Cipher Modes for General Use Cases

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