art.xx-c.chat.message Documentation (EN)

main record

Encrypted chat message for XX C chat room

Record Key tid Timestamp-based ID

Properties

authTag string Optional

Authentication tag for GCM mode (base64 encoded)

maxLength: 32 bytes

createdAt string datetime Required

Timestamp when message was created

encryptedContent string Required

AES-256-GCM encrypted message content (base64 encoded)

maxLength: 10000 bytes

encryptionVersion string Optional

Encryption scheme version (currently v1: HKDF + AAD)

iv string Required

Initialization vector for AES-GCM (base64 encoded)

maxLength: 24 bytes

replyTo string at-uri Optional

Optional: AT-URI of message being replied to

roomId string Required

Identifier for chat room (e.g., 'main')

maxLength: 64 bytes

View raw schema

{
  "description": "Encrypted chat message for XX C chat room",
  "key": "tid",
  "record": {
    "properties": {
      "authTag": {
        "description": "Authentication tag for GCM mode (base64 encoded)",
        "maxLength": 32,
        "type": "string"
      },
      "createdAt": {
        "description": "Timestamp when message was created",
        "format": "datetime",
        "type": "string"
      },
      "encryptedContent": {
        "description": "AES-256-GCM encrypted message content (base64 encoded)",
        "maxLength": 10000,
        "type": "string"
      },
      "encryptionVersion": {
        "description": "Encryption scheme version (currently v1: HKDF + AAD)",
        "type": "string"
      },
      "iv": {
        "description": "Initialization vector for AES-GCM (base64 encoded)",
        "maxLength": 24,
        "type": "string"
      },
      "replyTo": {
        "description": "Optional: AT-URI of message being replied to",
        "format": "at-uri",
        "type": "string"
      },
      "roomId": {
        "description": "Identifier for chat room (e.g., 'main')",
        "maxLength": 64,
        "type": "string"
      }
    },
    "required": [
      "encryptedContent",
      "roomId",
      "iv",
      "createdAt"
    ],
    "type": "object"
  },
  "type": "record"
}