{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://xcim.invalid/ietf/as01/schemas/possession.schema.json",
  "title": "AS01-F01 possession",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "issuer_id",
    "app_id",
    "app_epoch",
    "authority_epoch",
    "authorization_id",
    "msa_commitment_p1",
    "challenge",
    "expires_at"
  ],
  "properties": {
    "issuer_id": {
      "$ref": "https://xcim.invalid/ietf/as01/schemas/common.schema.json#/$defs/id"
    },
    "app_id": {
      "$ref": "https://xcim.invalid/ietf/as01/schemas/common.schema.json#/$defs/id"
    },
    "app_epoch": {
      "$ref": "https://xcim.invalid/ietf/as01/schemas/common.schema.json#/$defs/positive"
    },
    "authority_epoch": {
      "$ref": "https://xcim.invalid/ietf/as01/schemas/common.schema.json#/$defs/positive"
    },
    "authorization_id": {
      "$ref": "https://xcim.invalid/ietf/as01/schemas/common.schema.json#/$defs/hash"
    },
    "msa_commitment_p1": {
      "$ref": "https://xcim.invalid/ietf/as01/schemas/common.schema.json#/$defs/hash"
    },
    "challenge": {
      "$ref": "https://xcim.invalid/ietf/as01/schemas/common.schema.json#/$defs/hash"
    },
    "expires_at": {
      "$ref": "https://xcim.invalid/ietf/as01/schemas/common.schema.json#/$defs/positive"
    }
  }
}