kofo-utils

Kofo utils

Install

npm install kofo-utils --save

Test

npm test

API

• createKofoId() Create Kofo pubkey and secret

  //Create kofoId, pubkey, secret
  const obj = Utils.createKofoId();
  return:
  { kofoId: 'KOFOjNZSVTtXqSKtQNszQki6nHjt2F67GxqDeTqyBfM9nTuk',
    pubkey: '027590ba33bf9ec4afe5848b12faec5d5e7bc194f30f3ca29f121675d02b92d223',
    secret: 'dafd1ae95b8bb22617a05fcc022f65c53adf6ef26ece15ab69374538533033a6'
  }

• createPublicKey(secret<String>) Create pubkey by kofo secret

  Utils.createPublicKey(kofo.secret);

• createKofoIdBySecret(secret<String>) Create kofoId by kofo secret

  Utils.createKofoIdBySecret(kofo.secret);

• createKofoIdByPubKey(publicKey<String>) Create kofoId by kofo pubkey

  Utils.createKofoIdByPubKey(kofo.pubkey);

• sign(secret<String>, data<any>) Sign the data use kofo secret

  //Use secret for elliptic curve signature
  const signed = Utils.sign(kofo.secret, 'Hello world!');

• verifyWithKofoId(kofoId<String>, signature<String>, data<any>) Verify signature with kofo id

  //Verify signature with kofo id
  Utils.verifyWithKofoId(kofo.kofoId, signed, 'Hello world!')

• verifyWithPubKey(pubkey<String>, signature<String>, data<any>) Verify signature with kofo pubkey

  //Verify signature with public key
  Utils.verifyWithPubKey(kofo.pubkey, signed, 'Hello world!');

• sha256(data<any>) Sha256 encryption

  Utils.sha256('message')

• sha256Twice(data<any>) Sha256 twice encryption

  Utils.sha256Twice('message')

• createPreImage() Generate random string of length 124

  Utils.createPreImage()

• createHValue() Sha256 twice encryption preImage create hValue

  const preImage = Utils.createPreImage();
  Utils.createHValue(preImage)

• encrypt(data<any>, secret<String>) Encrypts a message.

  Utils.encrypt('data','pwd')

• decrypt(data<any>, secret<String>) Decrypts serialized ciphertext.

  const encryptedData = Utils.encrypt('data','pwd')
  Utils.decrypt(encryptedData,'pwd')