Getting started

This document will give you an example of a TypeScript integration of the TrustRegistry SDK to generate and verify Proofs of Residency data. We will cover the following steps:

configuration of the SDK
generation of a Proof by an issuer
verification of this proof by a verifier
revocation of the proof generated by the issuer

Initial setup

All interactions with the Trust Registry needs to be authenticated. This authentication is made with the creation of a public-private key-pair linked to an identity created of the Trust Registry. Also to interact with our APIs you need to specify an authentication token that will be included in each request made by the Trust Registry SDK to the Trust Registry API. The following steps will show how you can use the SDK to create a puclic-private key-pair and register an identity based on this key-pair. These operations can also be done with the SDK if needed.

Fetch the SDK

Fetch the CLI

$ curl -X GET -H "PRIVATE-TOKEN: <auth_token>" https://gitlab.com/api/v4/projects/28791042/releases/:tag_name

Please note that archipels-cli-<os_build> can be archipels-cli-win.exe, archipels-cli-macos or archipels-cli-linux

Rename the executable to archipels-cli.

For the moment, the CLI SDK will be sent directly to you through an email

Fetch the Typescript package

Through an npmrc file:

@archipels-managed:registry=https://gitlab.com/api/v4/projects/28791042/packages/npm/
//gitlab.com/api/v4/projects/28791042/packages/npm/:_authToken='<yourAuthToken>'

With npm:

Fetch the API

Docker Image

Authenticate to our registry

docker login -u <yourUsername> -p <yourDeployToken> registry.gitlab.com

We recommend you to create an env file with the following vars. For the vars ISSUER_ID, PRIVATE_KEY and ALGORITHM, you have to create an identity through the SDK

# .env
TRUST_REGISTRY_URL="https://api.archipels.io",
TRUST_REGISTRY_API_KEY="e872be7d-9f49-45f9-80f1-ae776f868754",
ISSUER_ID="518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6",
PRIVATE_KEY="UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==",
ALGORITHM="EDDSA"

Now you can run the API in a container with (if using a .env file):

docker run --env-file .env [options] registry.gitlab.com/archipels-managed/trust-registry-sdk/api:<version> [arguments]

If you want to use the SDK as an API, you can fetch the docker image using the following commands.

In an env file or directly in your run environment, you have to fix the following vars in order to interact with the Trust Registry:

TRUST_REGISTRY_URL: url of the Trust Registry API
TRUST_REGISTRY_API_KEY: API key to access the Trust Registry API
ISSUER_ID: your ID as an issuer, if applicable
PRIVATE_KEY: private key used to sign data
ALGORITHM: signature algorithm used
LOG_LEVEL: Log level to use for logging
PROXY_URL: URL of the proxy server
PROXY_REQUEST_TIMEOUT_MS: Request timeout (ms) for the proxy tunnel (default: 60)
PROXY_SOCKET_TIMEOUT_MS: Socket timeout (ms) for the proxy connection (default: 60)

Helm Chart

Coming soon

Create your public-private key-pair

$ ./archipels-cli key create

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry/',
});

const algorithm = 'EDDSA';

const response = tr.createKey(algorithm);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X GET $SDK_API_URL/keys

This operation will return this type of json:

{
  "pub_key": "Ne9g7avV2hz+IDfT3oYijaLWTz0GH1r/TZM4KE521rM=",
  "pv_key": "UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==",
  "algo": "EDDSA"
}

Your private key (pv_key) authenticates you, you must keep it secure and not disclose it to anyone.

This operation is done without any communication with Trust Registry API.

The algorithm can be EDDSA or ECDSA.

Register your identity in the Trust Registry

To register your identity in the Trust Registry use this code

$ ./archipels-cli identity create \
    -k <your-public-key> \
    -m $(pwd)/metadata.json

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
});

const identity = {
  pub_key: 'Ne9g7avV2hz+IDfT3oYijaLWTz0GH1r/TZM4KE521rM=',
  metadata: {
    name: 'Certification Company SAS',
    description: 'Lorem...',
  },
  issuer_id: '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
  algorithm: 'EDDSA',
};

const response = await tr.createIdentity(identity);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/dids -H 'Content-Type: application/json' --data '{ "pub_key": "Ne9g7avV2hz+IDfT3oYijaLWTz0GH1r/TZM4KE521rM=", "metadata": { "name": "Certification Company SAS", "description": "Lorem..." }, "issuer_id": "518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6", "algorithm": "EDDSA" }'

Note that the metadata, issuer_id and algorithm are optional inputs. If you get the error connect ECONNREFUSED, check if you have the TRUST_REGISTRY_URL set. The return json will be like:

{
  "pub_key": "Ne9g7avV2hz+IDfT3oYijaLWTz0GH1r/TZM4KE521rM=",
  "metadata": {
    "name": "Certification Company SAS",
    "description": "Lorem..."
  },
  "issuer_id": "518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6",
  "did_version": null,
  "algorithm": "EDDSA"
}

To create your identity, you need at least two environment variables, the url of the trust registry TRUST_REGISTRY_URL, and the api key to connect to the registry TRUST_REGISTRY_API_KEY. If you're using the API SDK, you'll also need the URL where the API SDK is deployed (SDK_API_URL).

To execute the command you need one mandatory argument the public key, and 2 arguments optionals the metadata, and your issuer_id. If you ommit the issuer_id, it will create one for you. But if you don't provide an issuer_id, you need to save it from the response, since it will be used to identify you.

Create your first proof

1. Create a schema

To create a schema use this code:

$ ./archipels-cli \
    schema create \
    $(pwd)/schema.json

# With schema.json =
{
  "id": "c42e2516",
  "name": "DigitalDocument",
  "description": "An electronic file or document",
  "version": "0.9.0",
  "namespace": "archipels.io",
  "hash_algorithm": "SHA256",
  "matching_conditions": {
    "or": [
      "sha256"
    ]
  },
  "inputs": [
    "sha256",
    "dateCreated",
    "expires",
    "creator",
    "category",
    "description",
    null,
    null
  ],
  "input_definitions": {
    "sha256": {
      "description": "The SHA-2 SHA256 hash of the content of the item.",
      "standardization_function": "hexadecimal"
    },
    "dateCreated": {
      "description": "The date on which the CreativeWork was created or the item was added to a DataFeed.",
      "standardization_function": "formatDateTime"
    },
    "expires": {
      "description": "Date the content expires and is no longer useful or available.",
      "standardization_function": "formatDateTime"
    },
    "creator": {
      "description": "The creator/author of this CreativeWork.",
      "standardization_function": "replaceDiacritics.capitalize"
    },
    "category": {
      "description": "A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.",
      "standardization_function": "digitalDocumentCategory"
    },
    "description": {
      "description": "A description of the item.",
      "standardization_function": ""
    }
  },
  "metadatum_definitions": {
    "sha256": {
      "id": "i1",
      "description": "The SHA-2 SHA256 hash of the content of the item.",
      "mandatory": true,
      "publication_flag": "searchable"
    },
    "dateCreated": {
      "id": "i2",
      "description": "The date on which the CreativeWork was created or the item was added to a DataFeed.",
      "mandatory": true,
      "publication_flag": "public"
    },
    "expires": {
      "id": "i3",
      "description": "Date the content expires and is no longer useful or available.",
      "mandatory": true,
      "publication_flag": "public"
    },
    "creator": {
      "id": "i4",
      "description": "The creator/author of this CreativeWork.",
      "mandatory": true,
      "publication_flag": "public"
    },
    "category": {
      "id": "i5",
      "description": "A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.",
      "mandatory": true,
      "publication_flag": "public"
    },
    "description": {
      "id": "i6",
      "description": "A description of the item.",
      "mandatory": true,
      "publication_flag": "public"
    }
  }
}

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const proofSchema = {
  id: 'c42e2516',
  name: 'DigitalDocument',
  description:
    'An electronic file or document',
  version: '0.9.0',
  namespace: 'archipels.io',
  hash_algorithm: 'SHA256',
  matching_conditions: {
    'or': [
      'sha256'
    ]
  },
  inputs: [
    'sha256',
    'dateCreated',
    'expires',
    'creator',
    'category',
    'description',
    null,
    null
  ],
  input_definitions: {
    sha256: {
      description: 'The SHA-2 SHA256 hash of the content of the item',
      standardization_function: 'hexadecimal'
    },
    dateCreated: {
      description: 'The date on which the CreativeWork was created or the item was added to a DataFeed.',
      standardization_function: 'formatDateTime'
    },
    expires: {
      description: 'Date the content expires and is no longer useful or available.',
      standardization_function: 'formatDateTime'
    },
    creator: {
      description: 'The creator/author of this CreativeWork.',
      standardization_function: 'replaceDiacritics.capitalize'
    },
    category: {
      description: 'A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.',
      standardization_function: 'digitalDocumentCategory'
    },
    description: {
      description: 'A description of the item.',
      standardization_function: ''
    }
  },
  metadatum_definitions: {
    sha256: {
      id: 'i1',
      description: 'The SHA-2 SHA256 hash of the content of the item.',
      mandatory: true,
      publication_flag: 'searchable',
    },
    dateCreated: {
      id: 'i2',
      description: 'The date on which the CreativeWork was created or the item was added to a DataFeed.',
      mandatory: true,
      publication_flag: 'public',
    },
    expires: {
      id: 'i3',
      description: 'Date the content expires and is no longer useful or available.',
      mandatory: true,
      publication_flag: 'public',
    },
    creator: {
      id: 'i4',
      description: 'The creator/author of this CreativeWork.',
      mandatory: true,
      publication_flag: 'public',
    },
    category: {
      id: 'i5',
      description: 'A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.',
      mandatory: true,
      publication_flag: 'public',
    },
    description: {
      id: 'i6',
      description: 'A description of the item.',
      mandatory: true,
      publication_flag: 'public',
    }
  },
};

const response = await tr.createProofSchema(proofSchema);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

Create a json file (digitalDocument.json for example) containing the proof schema

{
    "id": "c42e2516",
    "name": "DigitalDocument",
    "description": "An electronic file or document",
    "version": "0.9.0",
    "namespace": "archipels.io",
    "hash_algorithm": "SHA256",
    "matching_conditions": {
        "or": [
            "sha256"
        ]
    },
    "inputs": [
        "sha256",
        "dateCreated",
        "expires",
        "creator",
        "category",
        "description",
        null,
        null
    ],
    "input_definitions": {
        "sha256": {
            "description": "The SHA-2 SHA256 hash of the content of the item.",
            "standardization_function": "hexadecimal"
        },
        "dateCreated": {
            "description": "The date on which the CreativeWork was created or the item was added to a DataFeed.",
            "standardization_function": "formatDateTime"
        },
        "expires": {
            "description": "Date the content expires and is no longer useful or available.",
            "standardization_function": "formatDateTime"
        },
        "creator": {
            "description": "The creator/author of this CreativeWork.",
            "standardization_function": "replaceDiacritics.capitalize"
        },
        "category": {
            "description": "A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.",
            "standardization_function": "digitalDocumentCategory"
        },
        "description": {
            "description": "A description of the item.",
            "standardization_function": ""
        }
    },
    "metadatum_definitions": {
        "sha256": {
            "id": "i1",
            "description": "The SHA-2 SHA256 hash of the content of the item.",
            "mandatory": true,
            "publication_flag": "searchable"
        },
        "dateCreated": {
            "id": "i2",
            "description": "The date on which the CreativeWork was created or the item was added to a DataFeed.",
            "mandatory": true,
            "publication_flag": "public"
        },
        "expires": {
            "id": "i3",
            "description": "Date the content expires and is no longer useful or available.",
            "mandatory": true,
            "publication_flag": "public"
        },
        "creator": {
            "id": "i4",
            "description": "The creator/author of this CreativeWork.",
            "mandatory": true,
            "publication_flag": "public"
        },
        "category": {
            "id": "i5",
            "description": "A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.",
            "mandatory": true,
            "publication_flag": "public"
        },
        "description": {
            "id": "i6",
            "description": "A description of the item.",
            "mandatory": true,
            "publication_flag": "public"
        }
    }
}

$ curl -X POST $SDK_API_URL/schemas -H 'Content-Type: application/json' --data '@digitalDocument.json'

if the schema already exist you get:

{
  "status": 409,
  "message": "ProofSchemaExisting"
}

If you're creating a new type of proof, you have to create the schema first.

You need to add your issuer_id to the .env file, to be able to use the cli commands.

2. Create a proof

To create a proof for a PDF document, you need to create a hash of the document using the following command

$ openssl dgst -sha256 salary.pdf

and you can build the inputs needed to generate the proof:

{
  "sha256": "127bfb2fd7dbacd21ba33c1ff037d8d7e6f001fcdfa47b911c4e174ad967d125",
  "dateCreated" : "January 23, 1993 12:00:00",
  "expires": "December 17, 1995 03:24:00",
  "creator": "Archipels",
  "category": "PAYSLIP",
  "description": "Salary for the month of December"
}

You can now create a proof, with the following code:

$ ./archipels-cli \
    proof create \
    $(pwd)/salary_inputs.json \
    -s <schemaId>
    --secret <your-secret>

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const proofSchemaId = `c42e2516`;

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const data = {
  category: 'PAYSLIP',
  sha256: '127bfb2fd7dbacd21ba33c1ff037d8d7e6f001fcdfa47b911c4e174ad967d125',
  expires: 'December 17, 1995 03:24:00',
};

const secret = `e872be7d-9f49-45f9-80f1-ae776f868754`;

const response = await tr.createProof(proofSchemaId, data, secret);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/proofs -H 'Content-Type: application/json' --data '{ "schema_id": "c42e2516", "secret": "e872be7d-9f49-45f9-80f1-ae776f868754", "data": { "category": "PAYSLIP", "sha256": "127bfb2fd7dbacd21ba33c1ff037d8d7e6f001fcdfa47b911c4e174ad967d125", "expires": "December 17, 1995 03:24:00" }}'

The secret given is used to generate a nullifier. You can create a proof without giving a secret, but one will be returned after each creation. Please keep these secrets as they're the only data allowing you (or anybody) to nullify a proof.

Making request one after the other without a secret will trigger the creation of a proof twice without secret will generate a new ID every calls

If .env file doesn't contain an ISSUER_ID, or a PRIVATE_KEY you will get a message like this A properly set up identity is required in order to create a proof.

If the ISSUER_ID and the PRIVATE_KEY don't match you will get a message like this

{
  "status": 400,
  "message": "Invalid signature"
}

If everything work you will get the proof as result:

{
  "proof": {
    "id": "704da46675e8da4d56d7325069f856bc7a63f6806785d09fbb2161cc8c3813ac",
    "commitment": "569199d14ac47afabcd56a1a2166bfcc34c2bf2d3fec5bea541912ecf343291e",
    "commitment_details": {
      "schema_id": "c42e2516",
      "data_hash": "ec15961357fcb068cb1c5b207e05f08a32072ba31ddbb4432305ba38f1f1e91d",
      "nullifier": "64bfa5a2ef37609ab840ebdaf151e289a4d805bb77aa1d323a215561e11f9665",
      "issuer_id": "7fba2b1b3c23a6b5c6cec6a813927d05383c656e19de30e63cedca28e582eb6d",
      "signature": "6cbdf2d5a087433ea37c477617aeff023da389d7fca610e297ee2a1d6b1808feec8f42980d620e9597ec83d391c304fe6474752b0cb99201e1b18a487bcd1306"
    },
    "anchor_id": "0000000000000000000000000000000000000000000000000000000000000001",
    "metadata": {
      "sha256": {
        "value": "70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f",
        "inclusion_proof": [
          "46cbb0c1cf27f294a391a61c5d72703a9b10e74f765cc47edeb017a0bee3da36",
          "f83947cf1212f2984b87afecc33c8522966322e125f5e89a80e901212ce97ecf",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "searchable"
      },
      "dateCreated": {
        "value": "1992-01-15T02:35:00",
        "inclusion_proof": [
          "0ff4a6122a83c99bb60c08ff7b8fc1a0501e1806de879a551d319e6c3015e230",
          "f83947cf1212f2984b87afecc33c8522966322e125f5e89a80e901212ce97ecf",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "public"
      },
      "expires": {
        "value": "1995-12-17T03:24:00",
        "inclusion_proof": [
          "e15fc0f1e72b93eb4134fafa5a6f81f33c09fc7d95930c51e2cb5cb55f8226df",
          "51420fd302b6508377d82b71172fc623a0f07c3117dbd9295f21c23fbcb01756",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "public"
      },
      "creator": {
        "value": "ARCHIPELS",
        "inclusion_proof": [
          "a00c4e0a97eecc4bed032a9ab1fec97acae3b87f624b25bd3af26d4b59af8c78",
          "51420fd302b6508377d82b71172fc623a0f07c3117dbd9295f21c23fbcb01756",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "public"
      },
      "category": {
        "value": "PAYSLIP",
        "inclusion_proof": [
          "d170a152c3abd39ef42550c8319b0926d9494b47a175d7db3163ebf03c0f15a0",
          "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
          "60c859917188ff260113589f10f2a2592ce969dd9f75131ce69b632e0b0e2598"
        ],
        "publication_flag": "public"
      },
      "description": {
        "value": "Paycheck for the month of December",
        "inclusion_proof": [
          "76d74e17240f1c3a5e2dbc56210dbfd5ccb4374be9cafd61cd14aedc9e4a2670",
          "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
          "60c859917188ff260113589f10f2a2592ce969dd9f75131ce69b632e0b0e2598"
        ],
        "publication_flag": "public"
      }
    },
    "accumulator_id": 28749,
    "status": "pending"
  },
  "secret": "f1e58551-7807-46af-ac74-a863a4ce00b7",
  "qrCodeBase64": "data:image/gif;base64,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"
}

Verify your first proof

To verify the proof (i.e. the hash) for the pdf you need to execute the following command:

$ ./archipels-cli \
    proof verify \
    -s <schemaId> \
    -m $(pwd)/salary_metadata.json

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const proofSchemaId = `c42e2516`;

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const data = {
  category: 'PAYSLIP',
  sha256: '127bfb2fd7dbacd21ba33c1ff037d8d7e6f001fcdfa47b911c4e174ad967d125',
  expires: 'December 17, 1995 03:24:00',
};

const response = await tr.verifyProof(proofSchemaId, data);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/proofs/verify -H 'Content-Type: application/json' --data '{ "schema_id": "c42e2516", "data": { "category": "PAYSLIP", "sha256": "127bfb2fd7dbacd21ba33c1ff037d8d7e6f001fcdfa47b911c4e174ad967d125", "expires": "December 17, 1995 03:24:00" } }'

If you give a wrong data_hash or metadata you will get the following message

{
  "status": 404,
  "message": "Couldn't find a proof verifying submitted data"
}

If you have the good data_hash and / or metadata the cli will give you the proof associated to this data_hash:

{
  "proofs": [
    {
      "id": "bb33441bfaa9b45187e012bcceb8b7f4de780cf8d5f981b3a969491aeecc80dd",
      "commitment": "26e5b3b10d076083e583222563183a4865a7adfbf80219bcac68ee3e76097e72",
      "commitment_details": {
        "schema_id": "c42e2516",
        "data_hash": "4d640810e29ad9ea76d2f4c5ed7120e1ba77f994d2198dcd0c42c82fb4e49231",
        "nullifier": "2708b7037a56c3700a606980f896ef216dcb2ca2f306e6d2474d47a46adf740b",
        "issuer_id": "4ff5ce66c8ae3cdd1340ec42f21a011af0a4760e2634a3b975e22efe77137404",
        "signature": "88a69d22dbb0b8e0f23d0523f97559ce1f8d2c1812c0169f5a65b4de44325830feef67acb85512e7e9f253461a10a8242c7ad45fec8279bc30bccff305acae0c"
      },
      "anchor_id": "0000000000000000000000000000000000000000000000000000000000000001",
      "accumulator_id": 47923,
      "status": "registered",
      "public_metadata": {
        "dateCreated": {
          "value": "2022-06-17T14:45:00",
          "inclusion_proof": [
            "02974b4dfb1269789bb88d59fb6529e1d7589eeb676cf9d15ad0e90d7849bacb",
            "1a1ecfd659dae79a85235173b07a4a842af3d8b0ade5c1588bc3d202cfd89a0b",
            "5850c9cc205646efcc54cc61fa278672f1febac2854e4b1b2cb91acbca7847a3"
          ],
          "publication_flag": "public"
        },
        "expires": {
          "value": "2022-10-17T14:45:00",
          "inclusion_proof": [
            "e15fc0f1e72b93eb4134fafa5a6f81f33c09fc7d95930c51e2cb5cb55f8226df",
            "7151aa9fa41fdd3891e496d325a342ec10502e754f69a590bb959bc019f71dbb",
            "5850c9cc205646efcc54cc61fa278672f1febac2854e4b1b2cb91acbca7847a3"
          ],
          "publication_flag": "public"
        },
        "creator": {
          "value": "ARCHIPELS",
          "inclusion_proof": [
            "fed61971bd0eac9b1877e65e21cabd9d2c1d6cc5f1870e23c80ff36a0f599e01",
            "7151aa9fa41fdd3891e496d325a342ec10502e754f69a590bb959bc019f71dbb",
            "5850c9cc205646efcc54cc61fa278672f1febac2854e4b1b2cb91acbca7847a3"
          ],
          "publication_flag": "public"
        },
        "category": {
          "value": "PAYSLIP",
          "inclusion_proof": [
            "50d858e0985ecc7f60418aaf0cc5ab587f42c2570a884095a9e8ccacd0f6545c",
            "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
            "3f7b289261248017e93f04d511b366f23c5c45d4cb978c087deab798b85df9a3"
          ],
          "publication_flag": "public"
        },
        "description": {
          "value": "example",
          "inclusion_proof": [
            "76d74e17240f1c3a5e2dbc56210dbfd5ccb4374be9cafd61cd14aedc9e4a2670",
            "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
            "3f7b289261248017e93f04d511b366f23c5c45d4cb978c087deab798b85df9a3"
          ],
          "publication_flag": "public"
        }
      },
      "queried_metadata": {
        "sha256": {
          "value": "67afb3194a4f2e8a166a53cd418574fcc8fd96a0ee6ec254d316d46332f94cd0",
          "inclusion_proof": [
            "5dc5e63a3d3ef670863b5efd431c4e1384296654e1ab0e47001b2a160dbf10db",
            "1a1ecfd659dae79a85235173b07a4a842af3d8b0ade5c1588bc3d202cfd89a0b",
            "5850c9cc205646efcc54cc61fa278672f1febac2854e4b1b2cb91acbca7847a3"
          ],
          "publication_flag": "searchable"
        },
        "category": {
          "value": "PAYSLIP",
          "inclusion_proof": [
            "50d858e0985ecc7f60418aaf0cc5ab587f42c2570a884095a9e8ccacd0f6545c",
            "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
            "3f7b289261248017e93f04d511b366f23c5c45d4cb978c087deab798b85df9a3"
          ],
          "publication_flag": "public"
        }
      }
    },
    {
      "id": "47e9e0a648dd4221a9d41fb311b923373bd4cab05d9b5484308484892297507e",
      "commitment": "fa7746b0bd1badff6aded9560b412aa94337d3681a204c88dae63f7754483739",
      "commitment_details": {
        "schema_id": "c42e2516",
        "data_hash": "b201c161b43ef117c9b106160db3a60dde0d27a4d91cf95dbb2d180f308c2ff8",
        "nullifier": "cd9d1eac732bd2e71fbebe011b162cf2d0e8ae131f86b4d8934d2e0bb3e28454",
        "issuer_id": "4ff5ce66c8ae3cdd1340ec42f21a011af0a4760e2634a3b975e22efe77137404",
        "signature": "019086ca9c5d8fcfd716fa2d52c16ba1004a1db0bda382724cea71b9f293c55a81eb7484a0e761b6a9909f32ad9b0c7e3e323aceb6b041eb50c955e10ad43f0e"
      },
      "anchor_id": "0000000000000000000000000000000000000000000000000000000000000001",
      "accumulator_id": 18409,
      "status": "registered",
      "public_metadata": {
        "dateCreated": {
          "value": "2022-07-28T14:45:00",
          "inclusion_proof": [
            "e15fc0f1e72b93eb4134fafa5a6f81f33c09fc7d95930c51e2cb5cb55f8226df",
            "31b6b12d737f3d46c28c6914461e0ddb9f43b7896302a237e2a7cfced704a0a9",
            "5850c9cc205646efcc54cc61fa278672f1febac2854e4b1b2cb91acbca7847a3"
          ],
          "publication_flag": "public"
        },
        "expires": {
          "value": "2022-07-28T14:45:00",
          "inclusion_proof": [
            "e15fc0f1e72b93eb4134fafa5a6f81f33c09fc7d95930c51e2cb5cb55f8226df",
            "31b6b12d737f3d46c28c6914461e0ddb9f43b7896302a237e2a7cfced704a0a9",
            "5850c9cc205646efcc54cc61fa278672f1febac2854e4b1b2cb91acbca7847a3"
          ],
          "publication_flag": "public"
        },
        "creator": {
          "value": "ARCHIPELS",
          "inclusion_proof": [
            "6fa31297941ade2a1a480ba78ab5f71a6fc1236e44af31411484e949f1b1ba9c",
            "31b6b12d737f3d46c28c6914461e0ddb9f43b7896302a237e2a7cfced704a0a9",
            "5850c9cc205646efcc54cc61fa278672f1febac2854e4b1b2cb91acbca7847a3"
          ],
          "publication_flag": "public"
        },
        "category": {
          "value": "PAYSLIP",
          "inclusion_proof": [
            "50d858e0985ecc7f60418aaf0cc5ab587f42c2570a884095a9e8ccacd0f6545c",
            "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
            "0d531cec5a5148f5b0634c5acd7049a1361d23e11de0468cf4de72aac1b2e483"
          ],
          "publication_flag": "public"
        },
        "description": {
          "value": "example",
          "inclusion_proof": [
            "76d74e17240f1c3a5e2dbc56210dbfd5ccb4374be9cafd61cd14aedc9e4a2670",
            "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
            "0d531cec5a5148f5b0634c5acd7049a1361d23e11de0468cf4de72aac1b2e483"
          ],
          "publication_flag": "public"
        }
      },
      "queried_metadata": {
        "sha256": {
          "value": "67afb3194a4f2e8a166a53cd418574fcc8fd96a0ee6ec254d316d46332f94cd0",
          "inclusion_proof": [
            "6fa31297941ade2a1a480ba78ab5f71a6fc1236e44af31411484e949f1b1ba9c",
            "d3d69cbbf11d2c4e551b74cd1380a3dc17fd98cb5c6c3b2bb9496ac15c3098a3",
            "5850c9cc205646efcc54cc61fa278672f1febac2854e4b1b2cb91acbca7847a3"
          ],
          "publication_flag": "searchable"
        },
        "category": {
          "value": "PAYSLIP",
          "inclusion_proof": [
            "50d858e0985ecc7f60418aaf0cc5ab587f42c2570a884095a9e8ccacd0f6545c",
            "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
            "0d531cec5a5148f5b0634c5acd7049a1361d23e11de0468cf4de72aac1b2e483"
          ],
          "publication_flag": "public"
        }
      }
    }
  ]
}

To verify a proof, you'll need a set of metadata or a datahash, as well as a schema id.

Reference

Proofs

Create Proof

$ ./archipels-cli proof create \
    <pathToInputsFile> \
    -s <schemaId> \
    --secret <proofNullifier>

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const proofSchemaId = `c42e2516`;

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const data = {
  sha256: '70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f',
  dateCreated: 'January 15, 1992 02:35:00',
  expires: 'December 17, 1995 03:24:00',
  creator: 'Archipels',
  category: 'PAYSLIP',
  description: 'Paycheck for the month of December',
};

const secret = `e872be7d-9f49-45f9-80f1-ae776f868754`;

const response = await tr.createProof(proofSchemaId, data, secret);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/proofs -H 'Content-Type: application/json' --data '{"schema_id": "c42e2516", "secret": "e872be7d-9f49-45f9-80f1-ae776f868754", "data": { "sha256": "70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f", "dateCreated": "January 15, 1992 02:35:00", "expires": "December 17, 1995 03:24:00", "creator": "Archipels", "category": "PAYSLIP", "description": "Paycheck for the month of December" } }'

The secret given is used to generate a nullifier. You can create a proof without giving a secret, but one will be returned after each creation. Please keep these secrets as they're the only data allowing you (or anybody) to nullify a proof. You'll find a qrCodeBase64 data in a proof creation response. It is the base64 representation of a QR code matrix that you can integrate in a webpage (for example), containing the inputs needed for the proof verification. If you specified an env variable called FRONT_APP_URL, the QR code will redirect you to the verification web app with a prefilled form. Else, the QR code will only prefill fields if you're already on the verification web app and reading it with the integrated QR code reader.

Whatever solution you use (SDK, API SDK or CLI), you'll need to give as a file or data object the list of input as well as the schema ID. The inputs should take the form of a JSON object / file.

The format of the response is presented in appendix. proofSchemaId refers to the id of the proofSchema to be used for the certification. For an address certification we can use proofSchemaId = e674a3a. The secret must be a random number generated separately and stored securely as this is required to revoke the proof we've just created. If the certification doesn't work the sdk will throw an error. The certification is idempotent, if you request the creation of the same proof you will just receive the existing proof in the response with its current status.

Verify Proof

With metadata

$ ./archipels-cli proof verify \
    -s <schemaId> \
    -m $(pwd)/<metadataFile>.json

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const proofSchemaId = `c42e2516`;

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const data = {
  sha256: '70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f',
  dateCreated: 'January 15, 1992 02:35:00',
  expires: 'December 17, 1995 03:24:00',
  creator: 'Archipels',
  category: 'PAYSLIP',
  description: 'Paycheck for the month of December',
};

const response = await tr.verifyProof(proofSchemaId, data);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/proofs/verify -H 'Content-Type: application/json' --data '{ "schema_id": "c42e2516", "data": { "sha256": "70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f", "dateCreated": "January 15, 1992 02:35:00", "expires": "December 17, 1995 03:24:00", "creator": Archipels, "category": "PAYSLIP", "description": "Paycheck for the month of December" }}'

With datahash

$ ./archipels-cli proof verify \
    -s <schemaId> \
    -d '<dataHash>'

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const proofSchemaId = `c42e2516`;

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const dataHash =
  'c24768a5afb4a84ed7825fc872eabdee1f3e108433ff5a03912bf3700a3122ee';

const response = await tr.verifyProof(proofSchemaId, dataHash);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/proofs/verify -H 'Content-Type: application/json' --data '{ "schema_id": "c42e2516", "data_hash": "c24768a5afb4a84ed7825fc872eabdee1f3e108433ff5a03912bf3700a3122ee"}'

When you want to verify data with Archipels' Trust Services, you need to provide at least:

a schema_id
some metadata and / or a datahash

The response will contain an array of all (limited to 4) proofs compatible with the data and the matching criteria defined in the proofSchema. proofSchemaId refers to the id of the proofSchema to be used for the certification. For an address we can use proofSchemaId = e674a3a.

Revoke Proof

$ ./archipels-cli proof revoke \
    -n <nullifier> \
    -s <secret> \
    -m <message>

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const proofSchemaId = `c42e2516`;

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const data = {
  sha256: '70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f',
  dateCreated: 'January 15, 1992 02:35:00',
  expires: 'December 17, 1995 03:24:00',
  creator: 'Archipels',
  category: 'PAYSLIP',
  description: 'Paycheck for the month of December',
};

const nullifier =
  '3e75a5edb692f4fad077c1f56a4d55437423d06bcb09565044b2b6f3beaa0182';
const secret = 'e872be7d-9f49-45f9-80f1-ae776f868754';
const message = 'Contract terminated';
const response = await tr.revokeProof(nullifier, secret, message);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/proofs/revoke -H 'Content-Type: application/json' --data '{ "nullifier": "3e75a5edb692f4fad077c1f56a4d55437423d06bcb09565044b2b6f3beaa0182", "secret": "e872be7d-9f49-45f9-80f1-ae776f868754", "message": "Contract terminated" }'

The proof will then be marked as revoked in any future verification.

Generate qrCode

$ ./tr-cli proof qrcode \
    <pathToInputsFile> \
    -s <schemaId> \

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const proofSchemaId = `c42e2516`;

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const data = [
  {
    sha256: '70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f',
    dateCreated: 'January 15, 1992 02:35:00',
    expires: 'December 17, 1995 03:24:00',
    creator: 'Archipels',
    category: 'PAYSLIP',
    description: 'Paycheck for the month of December',
  }
];

const response = await tr.generateQrCodeProofs(proofSchemaId, data);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/proofs/qrcode -H 'Content-Type: application/json' --data '{"schema_id": "c42e2516", "data": [ { "sha256": "70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f", "dateCreated": "January 15, 1992 02:35:00", "expires": "December 17, 1995 03:24:00", "creator": "Archipels", "category": "PAYSLIP", "description": "Paycheck for the month of December" } ] }'

Proofs Schemas

Create Proof Schema

$ ./archipels-cli schema create $(pwd)/pay_slip_v1.0.0.json

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const proofSchema = {
  id: 'c42e2516',
  name: 'DigitalDocument',
  description:
    'An electronic file or document',
  version: '0.9.0',
  namespace: 'archipels.io',
  hash_algorithm: 'SHA256',
  matching_conditions: {
    'or': [
      'sha256'
    ]
  },
  inputs: [
    'sha256',
    'dateCreated',
    'expires',
    'creator',
    'category',
    'description',
    null,
    null
  ],
  input_definitions: {
    sha256: {
      description: 'The SHA-2 SHA256 hash of the content of the item',
      standardization_function: 'hexadecimal'
    },
    dateCreated: {
      description: 'The date on which the CreativeWork was created or the item was added to a DataFeed.',
      standardization_function: 'formatDateTime'
    },
    expires: {
      description: 'Date the content expires and is no longer useful or available.',
      standardization_function: 'formatDateTime'
    },
    creator: {
      description: 'The creator/author of this CreativeWork.',
      standardization_function: 'replaceDiacritics.capitalize'
    },
    category: {
      description: 'A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.',
      standardization_function: 'digitalDocumentCategory'
    },
    description: {
      description: 'A description of the item.',
      standardization_function: ''
    }
  },
  metadatum_definitions: {
    sha256: {
      id: 'i1',
      description: 'The SHA-2 SHA256 hash of the content of the item.',
      mandatory: true,
      publication_flag: 'searchable',
    },
    dateCreated: {
      id: 'i2',
      description: 'The date on which the CreativeWork was created or the item was added to a DataFeed.',
      mandatory: true,
      publication_flag: 'public',
    },
    expires: {
      id: 'i3',
      description: 'Date the content expires and is no longer useful or available.',
      mandatory: true,
      publication_flag: 'public',
    },
    creator: {
      id: 'i4',
      description: 'The creator/author of this CreativeWork.',
      mandatory: true,
      publication_flag: 'public',
    },
    category: {
      id: 'i5',
      description: 'A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.',
      mandatory: true,
      publication_flag: 'public',
    },
    description: {
      id: 'i6',
      description: 'A description of the item.',
      mandatory: true,
      publication_flag: 'public',
    }
  },
};

const response = await tr.createProofSchema(proofSchema);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/schemas -H 'Content-Type: application/json' --data '{ "id": "c42e2516", "name": "DigitalDocument", "description": "An electronic file or document", "version": "0.9.0", "namespace": "archipels.io", "hash_algorithm": "SHA256", "matching_conditions": { "or": [ "sha256" ] }, "inputs": [ "sha256", "dateCreated", "expires", "creator", "category", "description", null, null ], "input_definitions": { "sha256": { "description": "The SHA-2 SHA256 hash of the content of the item.", "standardization_function": "hexadecimal" }, "dateCreated": { "description": "The date on which the CreativeWork was created or the item was added to a DataFeed.", "standardization_function": "formatDateTime" }, "expires": { "description": "Date the content expires and is no longer useful or available.", "standardization_function": "formatDateTime" }, "creator": { "description": "The creator/author of this CreativeWork.", "standardization_function": "replaceDiacritics.capitalize" }, "category": { "description": "A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.", "standardization_function": "digitalDocumentCategory" }, "description": { "description": "A description of the item.", "standardization_function": "" } }, "metadatum_definitions": { "sha256": { "id": "i1", "description": "The SHA-2 SHA256 hash of the content of the item.", "mandatory": true, "publication_flag": "searchable" }, "dateCreated": { "id": "i2", "description": "The date on which the CreativeWork was created or the item was added to a DataFeed.", "mandatory": true, "publication_flag": "public" }, "expires": { "id": "i3", "description": "Date the content expires and is no longer useful or available.", "mandatory": true, "publication_flag": "public" }, "creator": { "id": "i4", "description": "The creator/author of this CreativeWork.", "mandatory": true, "publication_flag": "public" }, "category": { "id": "i5", "description": "A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.", "mandatory": true, "publication_flag": "public" }, "description": { "id": "i6", "description": "A description of the item.", "mandatory": true, "publication_flag": "public" } } } '

Get Proof Schema

$ ./archipels-cli schema get "<proofSchemaId>"

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';
const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
  identity: {
    issuerId:
      '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
    privateKey:
      'UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==',
  },
});

const proofSchemaId = 'c42e2516';

const response = await tr.getProofSchema(proofSchemaId);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X GET $SDK_API_URL/schemas/c42e2516

Keys

Create keys (locally)

$ ./archipels-cli key create

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
});

const algorithm = 'EDDSA';

const response = tr.createKey(algorithm);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X GET $SDK_API_URL/keys
{
  "pub_key": "Ne9g7avV2hz+IDfT3oYijaLWTz0GH1r/TZM4KE521rM=",
  "pv_key": "UaBBJVneNEe2q967GHAroXS2tNkoYgr7ZHFjoTlEvMs172Dtq9XaHP4gN9PehiKNotZPPQYfWv9NkzgoTnbWsw==",
  "algo": "EDDSA"
}

DIDs

Create DIDs

$ ./archipels-cli identity create \
    -k <your-public-key> \
    -m $(pwd)/metadata.json

import TrustRegistrySDK from '@archipels-managed/trust-registry-sdk';

const tr = new TrustRegistrySDK({
  trustRegistryURL: 'https://api.archipels.io/trust-registry',
  apiKey: '8b6a3e9a-5967-484f-8b14-aeb5420a375b',
});

const identity = {
  pub_key: 'Ne9g7avV2hz+IDfT3oYijaLWTz0GH1r/TZM4KE521rM=',
  metadata: {
    name: 'Certification Company SAS',
    description: 'Lorem...',
  },
  issuer_id: '518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6',
  algorithm: 'EDDSA',
};

const response = await tr.createIdentity(identity);

$ export SDK_API_URL="<yourLocalApiInstanceUrl>"

$ curl -X POST $SDK_API_URL/dids -H 'Content-Type: application/json' --data '{ "pub_key": "Ne9g7avV2hz+IDfT3oYijaLWTz0GH1r/TZM4KE521rM=", "metadata": { "name": "Certification Company SAS", "description": "Lorem..." }, "issuer_id": "518f623212217689f0b0ab91157454847aa034f41219829abcd6ea3b898790a6", "algorithm": "EDDSA" }'

Appendix

Proof response

{
  "proof": {
    "id": "04d57811235f9d390354460ca8e065f920551a18691ee6dfd81599f056294d4f",
    "commitment": "71a029f95e28f2772e374f2598e50282b4f4fab2dbaf98c545ed605510b0c6d2",
    "commitment_details": {
      "schema_id": "c42e2516",
      "data_hash": "ec15961357fcb068cb1c5b207e05f08a32072ba31ddbb4432305ba38f1f1e91d",
      "nullifier": "bc627bb8e0f6623bf3d2321c563f97d566bb48bcb5a60741a29060fdd73cf9c8",
      "issuer_id": "7fba2b1b3c23a6b5c6cec6a813927d05383c656e19de30e63cedca28e582eb6d",
      "signature": "6cbdf2d5a087433ea37c477617aeff023da389d7fca610e297ee2a1d6b1808feec8f42980d620e9597ec83d391c304fe6474752b0cb99201e1b18a487bcd1306"
    },
    "anchor_id": "0000000000000000000000000000000000000000000000000000000000000001",
    "metadata": {
      "sha256": {
        "value": "70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f",
        "inclusion_proof": [
          "46cbb0c1cf27f294a391a61c5d72703a9b10e74f765cc47edeb017a0bee3da36",
          "f83947cf1212f2984b87afecc33c8522966322e125f5e89a80e901212ce97ecf",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "searchable"
      },
      "dateCreated": {
        "value": "1992-01-15T02:35:00",
        "inclusion_proof": [
          "0ff4a6122a83c99bb60c08ff7b8fc1a0501e1806de879a551d319e6c3015e230",
          "f83947cf1212f2984b87afecc33c8522966322e125f5e89a80e901212ce97ecf",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "public"
      },
      "expires": {
        "value": "1995-12-17T03:24:00",
        "inclusion_proof": [
          "e15fc0f1e72b93eb4134fafa5a6f81f33c09fc7d95930c51e2cb5cb55f8226df",
          "51420fd302b6508377d82b71172fc623a0f07c3117dbd9295f21c23fbcb01756",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "public"
      },
      "creator": {
        "value": "ARCHIPELS",
        "inclusion_proof": [
          "a00c4e0a97eecc4bed032a9ab1fec97acae3b87f624b25bd3af26d4b59af8c78",
          "51420fd302b6508377d82b71172fc623a0f07c3117dbd9295f21c23fbcb01756",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "public"
      },
      "category": {
        "value": "PAYSLIP",
        "inclusion_proof": [
          "d170a152c3abd39ef42550c8319b0926d9494b47a175d7db3163ebf03c0f15a0",
          "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
          "60c859917188ff260113589f10f2a2592ce969dd9f75131ce69b632e0b0e2598"
        ],
        "publication_flag": "public"
      },
      "description": {
        "value": "Paycheck for the month of December",
        "inclusion_proof": [
          "76d74e17240f1c3a5e2dbc56210dbfd5ccb4374be9cafd61cd14aedc9e4a2670",
          "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
          "60c859917188ff260113589f10f2a2592ce969dd9f75131ce69b632e0b0e2598"
        ],
        "publication_flag": "public"
      }
    },
    "accumulator_id": 1237,
    "status": "pending"
  },
  "secret": "852a4003-e1e8-45ad-b589-3ff8d209ea11",
  "qrCodeBase64": "data:image/gif;base64,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}

Explanation of Proofattributes:

ìd: This item is a unique identifier of the proof. It summarizes the content of the proof but not the authentication of its issuer. This attribute defines its position in the trust registry.
commitment: This is the hash that guaranties integrity of the whole proof.
commitment_details: These items are the intermediate values used to create and structure the commitment, they are sent to Archipels during the proof creation to validate integrity of the commitment.
anchor_id: This value indicates in which batch the proof will be anchored on the Blockchain.
status: When creating a proof, its status is first pending, then it becomes registered when the proof is included in the trust-registry and then it becomes included when the root of the trusted registry is anchored on the blockchain and fully timestamped and made immutable.
metadata: These metadata are the values used to verify a proof. Each metadatum has a value which can be a hash or a standardized value of an input. It also has an inclusion proof that proves cryptographically that this value is included in the proofId. And it has a publication_flag which specifies how this metadata can be used during proof verification. If this flag is set to privatethen the metadatum is only used by Archipels for consistency checks. If the flag is set to public then the metadatum is sent to the verifier when a verification matches this proof. If this flag is set to searchable then the metadatum is only used to match with a proof verification.

Example

Certification and verification: data of a pay slip

$ ./archipels-cli \
    schema create \
    $(pwd)/bulletin_salaire.json

where bulletin_salaire.json is

{
  "id": "c42e2516",
  "name": "DigitalDocument",
  "description": "An electronic file or document",
  "version": "0.9.0",
  "namespace": "archipels.io",
  "hash_algorithm": "SHA256",
  "matching_conditions": {
    "or": [
      "sha256"
    ]
  },
  "inputs": [
    "sha256",
    "dateCreated",
    "expires",
    "creator",
    "category",
    "description",
    null,
    null
  ],
  "input_definitions": {
    "sha256": {
      "description": "The SHA-2 SHA256 hash of the content of the item.",
      "standardization_function": "hexadecimal"
    },
    "dateCreated": {
      "description": "The date on which the CreativeWork was created or the item was added to a DataFeed.",
      "standardization_function": "formatDateTime"
    },
    "expires": {
      "description": "Date the content expires and is no longer useful or available.",
      "standardization_function": "formatDateTime"
    },
    "creator": {
      "description": "The creator/author of this CreativeWork.",
      "standardization_function": "replaceDiacritics.capitalize"
    },
    "category": {
      "description": "A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.",
      "standardization_function": "digitalDocumentCategory"
    },
    "description": {
      "description": "A description of the item.",
      "standardization_function": ""
    }
  },
  "metadatum_definitions": {
    "sha256": {
      "id": "i1",
      "description": "The SHA-2 SHA256 hash of the content of the item.",
      "mandatory": true,
      "publication_flag": "searchable"
    },
    "dateCreated": {
      "id": "i2",
      "description": "The date on which the CreativeWork was created or the item was added to a DataFeed.",
      "mandatory": true,
      "publication_flag": "public"
    },
    "expires": {
      "id": "i3",
      "description": "Date the content expires and is no longer useful or available.",
      "mandatory": true,
      "publication_flag": "public"
    },
    "creator": {
      "id": "i4",
      "description": "The creator/author of this CreativeWork.",
      "mandatory": true,
      "publication_flag": "public"
    },
    "category": {
      "id": "i5",
      "description": "A category for the item. Greater signs or slashes can be used to informally indicate a category hierarchy.",
      "mandatory": true,
      "publication_flag": "public"
    },
    "description": {
      "id": "i6",
      "description": "A description of the item.",
      "mandatory": true,
      "publication_flag": "public"
    }
  }
}

For the certification and the verification of the data of a pay slip, it's the same methodology but the schema is different.

$ ./archipels-cli \
    proof create \
    $(pwd)/salary_metadata_2.json \
    -s c42e2516

{
  "proof": {
    "id": "04d57811235f9d390354460ca8e065f920551a18691ee6dfd81599f056294d4f",
    "commitment": "71a029f95e28f2772e374f2598e50282b4f4fab2dbaf98c545ed605510b0c6d2",
    "commitment_details": {
      "schema_id": "c42e2516",
      "data_hash": "ec15961357fcb068cb1c5b207e05f08a32072ba31ddbb4432305ba38f1f1e91d",
      "nullifier": "bc627bb8e0f6623bf3d2321c563f97d566bb48bcb5a60741a29060fdd73cf9c8",
      "issuer_id": "7fba2b1b3c23a6b5c6cec6a813927d05383c656e19de30e63cedca28e582eb6d",
      "signature": "6cbdf2d5a087433ea37c477617aeff023da389d7fca610e297ee2a1d6b1808feec8f42980d620e9597ec83d391c304fe6474752b0cb99201e1b18a487bcd1306"
    },
    "anchor_id": "0000000000000000000000000000000000000000000000000000000000000001",
    "metadata": {
      "sha256": {
        "value": "70f686dc827587aaa97566cbc0d1aae4f52662a4e1ab4cfc36249e46c2cbf91f",
        "inclusion_proof": [
          "46cbb0c1cf27f294a391a61c5d72703a9b10e74f765cc47edeb017a0bee3da36",
          "f83947cf1212f2984b87afecc33c8522966322e125f5e89a80e901212ce97ecf",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "searchable"
      },
      "dateCreated": {
        "value": "1992-01-15T02:35:00",
        "inclusion_proof": [
          "0ff4a6122a83c99bb60c08ff7b8fc1a0501e1806de879a551d319e6c3015e230",
          "f83947cf1212f2984b87afecc33c8522966322e125f5e89a80e901212ce97ecf",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "public"
      },
      "expires": {
        "value": "1995-12-17T03:24:00",
        "inclusion_proof": [
          "e15fc0f1e72b93eb4134fafa5a6f81f33c09fc7d95930c51e2cb5cb55f8226df",
          "51420fd302b6508377d82b71172fc623a0f07c3117dbd9295f21c23fbcb01756",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "public"
      },
      "creator": {
        "value": "ARCHIPELS",
        "inclusion_proof": [
          "a00c4e0a97eecc4bed032a9ab1fec97acae3b87f624b25bd3af26d4b59af8c78",
          "51420fd302b6508377d82b71172fc623a0f07c3117dbd9295f21c23fbcb01756",
          "0a7d7b1a2de7725157b75fb2a2d8e0d51d83e14540411915beddc466840adee4"
        ],
        "publication_flag": "public"
      },
      "category": {
        "value": "PAYSLIP",
        "inclusion_proof": [
          "d170a152c3abd39ef42550c8319b0926d9494b47a175d7db3163ebf03c0f15a0",
          "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
          "60c859917188ff260113589f10f2a2592ce969dd9f75131ce69b632e0b0e2598"
        ],
        "publication_flag": "public"
      },
      "description": {
        "value": "Paycheck for the month of December",
        "inclusion_proof": [
          "76d74e17240f1c3a5e2dbc56210dbfd5ccb4374be9cafd61cd14aedc9e4a2670",
          "2dba5dbc339e7316aea2683faf839c1b7b1ee2313db792112588118df066aa35",
          "60c859917188ff260113589f10f2a2592ce969dd9f75131ce69b632e0b0e2598"
        ],
        "publication_flag": "public"
      }
    },
    "accumulator_id": 1237,
    "status": "pending"
  },
  "secret": "852a4003-e1e8-45ad-b589-3ff8d209ea11",
  "qrCodeBase64": 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6Hz1CcidpnWynUsyq4HOWHluYiROIGx2nL42UhvKp3oBJr82WUDO6M890tFKkl8uqEGC2Fi+neTKI5s53l25Tq6CHwZSFQfKn5HenkHl42+2bHmhpcvCHPUeYy4JZbzh4ETSJcGuXUxW5iBqFDCqJQwi5NuWLI1e2eMSbLT2Z1HSZAoCImRGZM0vtNnuMaLiBZ3xMqxMNaUZdWqsci0QDtqFlR4Srh/qjhd1kqXoaqcezds52qF7IakaIhKhDWbuKlOlQmNZ1uj9bmfSBhlS+mx0DljSxubhdhSIMeXkEla6mlWd0mzMiqrGoOhH2uyBgqV7SpBcTusaAmkUPewtCWDmDdNb7WRCDqbU7uctsewCiuuScm0QduVPQeeIluRJeoDsSu7s0u7tWu7t4u7uau7u8u7veu7vwu8wSu8w0u8xWu8x6sABQAAOw=="
}

$ ./archipels-cli \
    proof verify \
    -s c42e2516 \
    -m $(pwd)/salary_metadata.json

Troubleshooting

Documentation technique