BIP340 - Sign a message using a key share

POST 
/bip340/sign

Signs a message using the given key_id. The message is signed using the secret share generated in the /bip340/keygen operation. The signature is then returned to the caller.

Request

Header Parameters

AUTHORIZATION stringrequired

The AUTHORIZATION header must be set to the API Key of the user. The API Key is returned when a new user is created using the /admin/create-user endpoint.

application/json

Body

required

derivation_path uint32[]
extra_data string

Hex encoded extra data to be passed to the Rule Server. This data should be used to pass any additional information / external state to the Rule Server that is required to properly validate the signing request.

key_id KeyIdrequired
msg stringrequired

The message to be signed. Has to be hex encoded.

room_uuid stringrequired
tweak string

Responses

200

application/json

Schema

Schema

signature stringrequired

Example (from schema)

{
  "signature": "string"
}

400

application/json

Schema

Schema

err_msg stringrequired
err_type stringrequired

Possible values: [already_performed_keygen, bad_n_and_t_params, bad_request_params, batch_too_large, executor_result, key_id_not_exists, key_operation_before_keygen, policy_in_use_by_keys, policy_in_use_by_users, policy_not_found, policy_validation_failed, room_creation_problem, rule_in_use, rule_not_found, rule_not_in_policy, user_id_not_exists, you_have_to_be_admin]

Example (from schema)

{
  "err_msg": "string",
  "err_type": "already_performed_keygen"
}

401

application/json

Schema

Schema

err_msg stringrequired
err_type stringrequired

Possible values: [access_denied]

Example (from schema)

{
  "err_msg": "string",
  "err_type": "access_denied"
}

404

application/json

Schema

Schema

err_msg stringrequired
err_type stringrequired

Possible values: [not_found]

Example (from schema)

{
  "err_msg": "string",
  "err_type": "not_found"
}

500

application/json

Schema

Schema

err_msg stringrequired
err_type stringrequired

Possible values: [internal_problem]

Example (from schema)

{
  "err_msg": "string",
  "err_type": "internal_problem"
}

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