EncryptionUtils

@human-protocol/sdk • Docs

---

@human-protocol/sdk / encryption / EncryptionUtils

Class: EncryptionUtils

Introduction

Utility class for encryption-related operations.

Installation

npm

npm install @human-protocol/sdk

yarn

yarn install @human-protocol/sdk

Code example

import { EncryptionUtils } from '@human-protocol/sdk';

const keyPair = await EncryptionUtils.generateKeyPair('Human', '[e-mail]');

Constructors

new EncryptionUtils()

new EncryptionUtils(): EncryptionUtils

Returns

EncryptionUtils

Methods

encrypt()

static encrypt(message, publicKeys): Promise<string>

This function encrypts a message using the specified public keys.

Parameters

• message: string

Message to encrypt.

• publicKeys: string[]

Returns

Promise<string>

Message encrypted.

Code example

import { EncryptionUtils } from '@human-protocol/sdk';

const publicKey1 = `-----BEGIN PGP PUBLIC KEY BLOCK-----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=Vwgv
-----END PGP PUBLIC KEY BLOCK-----`;

const publicKey2 = `-----BEGIN PGP PUBLIC KEY BLOCK-----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=DsVk
-----END PGP PUBLIC KEY BLOCK-----`;

const publicKeys = [publicKey1, publicKey2]
const result = await EncriptionUtils.encrypt('message', publicKeys);

Defined in

encryption.ts:421

---

generateKeyPair()

static generateKeyPair(name, email, passphrase): Promise<IKeyPair>

This function generates a key pair for encryption and decryption.

Parameters

• name: string

Name for the key pair.

• email: string

Email for the key pair.

• passphrase: string = ''

Passphrase to encrypt the private key. Optional.

Returns

Promise<IKeyPair>

Key pair generated.

Code example

import { EncryptionUtils } from '@human-protocol/sdk';

const publicKey = `-----BEGIN PGP PUBLIC KEY BLOCK-----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=Vwgv
-----END PGP PUBLIC KEY BLOCK-----`;

const name = 'YOUR_NAME';
const email = 'YOUR_EMAIL';
const passphrase = 'YOUR_PASSPHRASE';
const result = await EncriptionUtils.generateKeyPair(name, email, passphrase);

Defined in

encryption.ts:359

---

getSignedData()

static getSignedData(message): Promise<string>

This function gets signed data from a signed message.

Parameters

• message: string

Message.

Returns

Promise<string>

Signed data.

Code example

import { EncryptionUtils } from '@human-protocol/sdk';

const signedData = await EncriptionUtils.getSignedData('message');

Defined in

encryption.ts:316

---

isEncrypted()

static isEncrypted(message): boolean

Verifies if a message appears to be encrypted with OpenPGP.

Parameters

• message: string

Message to verify.

Returns

boolean

true if the message appears to be encrypted, false if not.

Code example:

const message = `-----BEGIN PGP MESSAGE-----

wV4DqdeRpqH+jaISAQdAsvBFxikvjxRqC7ZlDe98cLd7/aeCEI/AcL8PpVKK
mC0wKlwxNg/ADi55z9jcYFuMC4kKE+C/teM+JqiI8DO9AwassQUvKFtULnpx
h2jaOjC/0sAQASjUsIFK8zbuDgk/P8T9Npn6px+GlJPg9K90iwtPWiIp0eyW
4zXamJZT51k2DyaUX/Rsc6P4PYhQRKjt0yxtH0jHPmKkLC/9eBeFf4GP0zlZ
18xMZ8uCpQCma708Gz0sJYxEz3u/eZdHD7Mc7tWQKyJG8MsTwM1P+fdK1X75
L9UryJG2AY+6kKZhG4dqjNxiO4fWluiB2u7iMF+iLEyE3SQCEYorWMC+NDWi
QIJZ7oQ2w7BaPo1a991gvTOSNm5v2x44KfqPI1uj859BjsQTCA==
=tsmI
-----END PGP MESSAGE-----`;

const isEncrypted = await EncriptionUtils.isEncrypted(message);

if (isEncrypted) {
  console.log('The message is encrypted with OpenPGP.');
} else {
  console.log('The message is not encrypted with OpenPGP.');
}

Defined in

encryption.ts:470

---

verify()

static verify(message, publicKey): Promise<boolean>

This function verifies the signature of a signed message using the public key.

Parameters

• message: string

Message to verify.

• publicKey: string

Public key to verify that the message was sign by a specific source.

Returns

Promise<boolean>

True if verified. False if not verified.

Code example

import { EncryptionUtils } from '@human-protocol/sdk';

const publicKey = `-----BEGIN PGP PUBLIC KEY BLOCK-----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=Vwgv
-----END PGP PUBLIC KEY BLOCK-----`;

const result = await EncriptionUtils.verify('message', publicKey);

Defined in

encryption.ts:283