Messaging Layer Security (MLS)
- Created
- 2023-04-06
- Last Updated
- 2023-08-24
- Available Formats
-
XML
HTML
Plain text
Registries included below
- MLS Cipher Suites
- MLS Wire Formats
- MLS Extension Types
- MLS Proposal Types
- MLS Credential Types
- MLS Signature Labels
- MLS Public Key Encryption Labels
- MLS Exporter Labels
MLS Cipher Suites
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Sean Turner, Raphael Robert, Richard Barnes
- Reference
- [RFC9420]
- Note
-
Registration requests should be sent to the mailing list described in [RFC9420, Section 17.9]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. - Available Formats
-
CSV
| Value | Name | Recommended | Reference |
|---|---|---|---|
| 0x0000 | RESERVED | - | [RFC9420] |
| 0x0001 | MLS_128_DHKEMX25519_AES128GCM_SHA256_Ed25519 | Y | [RFC9420] |
| 0x0002 | MLS_128_DHKEMP256_AES128GCM_SHA256_P256 | Y | [RFC9420] |
| 0x0003 | MLS_128_DHKEMX25519_CHACHA20POLY1305_SHA256_Ed25519 | Y | [RFC9420] |
| 0x0004 | MLS_256_DHKEMX448_AES256GCM_SHA512_Ed448 | Y | [RFC9420] |
| 0x0005 | MLS_256_DHKEMP521_AES256GCM_SHA512_P521 | Y | [RFC9420] |
| 0x0006 | MLS_256_DHKEMX448_CHACHA20POLY1305_SHA512_Ed448 | Y | [RFC9420] |
| 0x0007 | MLS_256_DHKEMP384_AES256GCM_SHA384_P384 | Y | [RFC9420] |
| 0x0A0A | GREASE | Y | [RFC9420] |
| 0x1A1A | GREASE | Y | [RFC9420] |
| 0x2A2A | GREASE | Y | [RFC9420] |
| 0x3A3A | GREASE | Y | [RFC9420] |
| 0x4A4A | GREASE | Y | [RFC9420] |
| 0x5A5A | GREASE | Y | [RFC9420] |
| 0x6A6A | GREASE | Y | [RFC9420] |
| 0x7A7A | GREASE | Y | [RFC9420] |
| 0x8A8A | GREASE | Y | [RFC9420] |
| 0x9A9A | GREASE | Y | [RFC9420] |
| 0xAAAA | GREASE | Y | [RFC9420] |
| 0xBABA | GREASE | Y | [RFC9420] |
| 0xCACA | GREASE | Y | [RFC9420] |
| 0xDADA | GREASE | Y | [RFC9420] |
| 0xEAEA | GREASE | Y | [RFC9420] |
| 0xF000-0xFFFF | Reserved for Private Use | - | [RFC9420] |
MLS Wire Formats
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Sean Turner, Raphael Robert, Richard Barnes
- Reference
- [RFC9420]
- Note
-
Registration requests should be sent to the mailing list described in [RFC9420, Section 17.9]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. - Available Formats
-
CSV
| Value | Name | Recommended | Reference |
|---|---|---|---|
| 0x0000 | RESERVED | - | [RFC9420] |
| 0x0001 | mls_public_message | Y | [RFC9420] |
| 0x0002 | mls_private_message | Y | [RFC9420] |
| 0x0003 | mls_welcome | Y | [RFC9420] |
| 0x0004 | mls_group_info | Y | [RFC9420] |
| 0x0005 | mls_key_package | Y | [RFC9420] |
| 0x0006-0xEFFF | Unassigned | ||
| 0xF000-0xFFFF | Reserved for Private Use | - | [RFC9420] |
MLS Extension Types
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Sean Turner, Raphael Robert, Richard Barnes
- Reference
- [RFC9420]
- Note
-
Registration requests should be sent to the mailing list described in [RFC9420, Section 17.9]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. - Available Formats
-
CSV
| Value | Name | Message(s) | Recommended | Reference |
|---|---|---|---|---|
| 0x0000 | RESERVED | N/A | - | [RFC9420] |
| 0x0001 | application_id | LN | Y | [RFC9420] |
| 0x0002 | ratchet_tree | GI | Y | [RFC9420] |
| 0x0003 | required_capabilities | GC | Y | [RFC9420] |
| 0x0004 | external_pub | GI | Y | [RFC9420] |
| 0x0005 | external_senders | GC | Y | [RFC9420] |
| 0x0A0A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0x1A1A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0x2A2A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0x3A3A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0x4A4A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0x5A5A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0x6A6A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0x7A7A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0x8A8A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0x9A9A | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0xAAAA | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0xBABA | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0xCACA | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0xDADA | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0xEAEA | GREASE | KP, GI, LN | Y | [RFC9420] |
| 0xF000-0xFFFF | Reserved for Private Use | N/A | - | [RFC9420] |
MLS Proposal Types
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Sean Turner, Raphael Robert, Richard Barnes
- Reference
- [RFC9420]
- Note
-
Registration requests should be sent to the mailing list described in [RFC9420, Section 17.9]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. - Available Formats
-
CSV
| Value | Name | Recommended | Ext | Path | Reference |
|---|---|---|---|---|---|
| 0x0000 | RESERVED | - | - | - | [RFC9420] |
| 0x0001 | add | Y | Y | N | [RFC9420] |
| 0x0002 | update | Y | N | Y | [RFC9420] |
| 0x0003 | remove | Y | Y | Y | [RFC9420] |
| 0x0004 | psk | Y | Y | N | [RFC9420] |
| 0x0005 | reinit | Y | Y | N | [RFC9420] |
| 0x0006 | external_init | Y | N | Y | [RFC9420] |
| 0x0007 | group_context_extensions | Y | Y | Y | [RFC9420] |
| 0x0A0A | GREASE | Y | - | - | [RFC9420] |
| 0x1A1A | GREASE | Y | - | - | [RFC9420] |
| 0x2A2A | GREASE | Y | - | - | [RFC9420] |
| 0x3A3A | GREASE | Y | - | - | [RFC9420] |
| 0x4A4A | GREASE | Y | - | - | [RFC9420] |
| 0x5A5A | GREASE | Y | - | - | [RFC9420] |
| 0x6A6A | GREASE | Y | - | - | [RFC9420] |
| 0x7A7A | GREASE | Y | - | - | [RFC9420] |
| 0x8A8A | GREASE | Y | - | - | [RFC9420] |
| 0x9A9A | GREASE | Y | - | - | [RFC9420] |
| 0xAAAA | GREASE | Y | - | - | [RFC9420] |
| 0xBABA | GREASE | Y | - | - | [RFC9420] |
| 0xCACA | GREASE | Y | - | - | [RFC9420] |
| 0xDADA | GREASE | Y | - | - | [RFC9420] |
| 0xEAEA | GREASE | Y | - | - | [RFC9420] |
| 0xF000-0xFFFF | Reserved for Private Use | - | - | - | [RFC9420] |
MLS Credential Types
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Sean Turner, Raphael Robert, Richard Barnes
- Reference
- [RFC9420]
- Note
-
Registration requests should be sent to the mailing list described in [RFC9420, Section 17.9]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. - Available Formats
-
CSV
| Value | Name | Recommended | Reference |
|---|---|---|---|
| 0x0000 | RESERVED | - | [RFC9420] |
| 0x0001 | basic | Y | [RFC9420] |
| 0x0002 | x509 | Y | [RFC9420] |
| 0x0A0A | GREASE | Y | [RFC9420] |
| 0x1A1A | GREASE | Y | [RFC9420] |
| 0x2A2A | GREASE | Y | [RFC9420] |
| 0x3A3A | GREASE | Y | [RFC9420] |
| 0x4A4A | GREASE | Y | [RFC9420] |
| 0x5A5A | GREASE | Y | [RFC9420] |
| 0x6A6A | GREASE | Y | [RFC9420] |
| 0x7A7A | GREASE | Y | [RFC9420] |
| 0x8A8A | GREASE | Y | [RFC9420] |
| 0x9A9A | GREASE | Y | [RFC9420] |
| 0xAAAA | GREASE | Y | [RFC9420] |
| 0xBABA | GREASE | Y | [RFC9420] |
| 0xCACA | GREASE | Y | [RFC9420] |
| 0xDADA | GREASE | Y | [RFC9420] |
| 0xEAEA | GREASE | Y | [RFC9420] |
| 0xF000-0xFFFF | Reserved for Private Use | - | [RFC9420] |
MLS Signature Labels
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Sean Turner, Raphael Robert, Richard Barnes
- Reference
- [RFC9420]
- Note
-
Registration requests should be sent to the mailing list described in [RFC9420, Section 17.9]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. - Available Formats
-
CSV
| Label | Recommended | Reference |
|---|---|---|
| "FramedContentTBS" | Y | [RFC9420] |
| "LeafNodeTBS" | Y | [RFC9420] |
| "KeyPackageTBS" | Y | [RFC9420] |
| "GroupInfoTBS" | Y | [RFC9420] |
MLS Public Key Encryption Labels
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Sean Turner, Raphael Robert, Richard Barnes
- Reference
- [RFC9420]
- Note
-
Registration requests should be sent to the mailing list described in [RFC9420, Section 17.9]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. - Available Formats
-
CSV
| Label | Recommended | Reference |
|---|---|---|
| "UpdatePathNode" | Y | [RFC9420] |
| "Welcome" | Y | [RFC9420] |
MLS Exporter Labels
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Sean Turner, Raphael Robert, Richard Barnes
- Reference
- [RFC9420]
- Note
-
Registration requests should be sent to the mailing list described in [RFC9420, Section 17.9]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org.
| Label | Recommended | Reference |
|---|---|---|
| No registrations at this time. | ||