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personal_sign

The sign method calculates a Klaytn-specific signature with: sign(keccak256("\x19Klaytn Signed Message:\n" + len(message) + message)))

Adding a prefix to the message makes the calculated signature recognizable as a Klaytn-specific signature. This prevents misuse where a malicious DApp can sign arbitrary data (e.g., transaction) and use the signature to impersonate the victim.

See personal_ecRecover to verify the signature.

JSONRPC: personal_sign

Request

Body

    method stringrequired

    Default value: personal_sign

    Method name

    id int64required

    Default value: 1

    Request ID, Random or Auto incrementation

    jsonrpc stringrequired

    Default value: 2.0

    JSON-RPC Version (2.0)

    params

    undefined[]

    required

  • Array [

  • Message Message

    A message to sign.

    Account Account

    The account address.

    Password Password

    The pass phrase used for signing.

  • ]

Responses

Return the a signature.

Schema

    jsonrpc stringrequired

    Default value: 2.0

    id int64required

    error

    object

    code int64required

    A Number that indicates the error type that occurred. This MUST be an integer.

    | code | message | description | |-----|-----|-------| | -32700 | Parse error | invalid JSON was received by the server. An error occurred on the server while parsing the JSON text. | |-32602 | Invalid params | Invalid method parameter(s). |

    message string

    A String providing a short description of the error. The message SHOULD be limited to a concise single sentence.

    data string

    A Primitive or Structured value that contains additional information about the error. This may be omitted. The value of this member is defined by the Server (e.g. detailed error information, nested errors etc.).

    result string

    A signature.

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