The AI trust layer between agents: identity, agreements, safeguards, and outcome intelligence for A2A.

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schemas/v0.1/trust_envelope.schema.json 104 lines · 2.9 KB · json
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{
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  "$schema": "https://json-schema.org/draft/2020-12/schema",
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  "type": "object",
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  "properties": {
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    "protocolVersion": {
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      "type": "string",
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      "const": "0.1"
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    },
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    "interactionId": {
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      "type": "string",
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      "format": "uuid",
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      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
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    },
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    "requestingAgentId": {
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      "type": "string"
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    },
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    "respondingAgentId": {
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      "type": "string"
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    },
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    "rootControllerId": {
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      "type": "string"
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    },
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    "parentAgentId": {
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      "type": "string"
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    },
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    "agentVersion": {
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      "type": "string"
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    },
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    "delegationId": {
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      "type": "string",
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      "format": "uuid",
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      "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
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    },
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    "requestedCapability": {
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      "type": "string"
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    },
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    "taskCategory": {
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      "type": "string"
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    },
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    "contractHash": {
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      "type": "string"
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    },
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    "dataSharingMode": {
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      "type": "string",
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      "enum": ["local_only", "structured_only", "permitted_evidence"]
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    },
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    "evidenceRequirements": {
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      "type": "array",
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      "items": {
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        "type": "string"
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      }
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    },
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    "timestamp": {
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      "type": "string",
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      "format": "date-time",
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      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$"
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    },
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    "expiresAt": {
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      "type": "string",
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      "format": "date-time",
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      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$"
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    },
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    "nonce": {
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      "type": "string",
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      "minLength": 12
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    },
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    "signature": {
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      "type": "object",
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      "properties": {
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        "algorithm": {
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          "type": "string",
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          "const": "Ed25519"
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        },
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        "keyId": {
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          "type": "string",
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          "minLength": 1
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        },
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        "value": {
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          "type": "string",
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          "minLength": 1
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        }
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      },
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      "required": ["algorithm", "keyId", "value"],
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      "additionalProperties": false
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    }
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  },
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  "required": [
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    "protocolVersion",
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    "interactionId",
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    "requestingAgentId",
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    "respondingAgentId",
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    "rootControllerId",
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    "agentVersion",
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    "requestedCapability",
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    "taskCategory",
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    "contractHash",
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    "dataSharingMode",
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    "evidenceRequirements",
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    "timestamp",
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    "expiresAt",
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    "nonce"
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  ],
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  "additionalProperties": false
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}