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@datkt/crypto

v0.5.0

Published

Various cryptographic function for datkt

Downloads

24

Readme

crypto

Various cryptographic function for datk.

Installation

The datkt.crypto package an be installed with NPM.

$ npm install @datkt/crypto

Prerequisites

Usage

## Compile a program in 'main.kt' and link crypto.klib found in `node_modules/`
$ konanc -r node_modules/@datkt -l crypto/crypto main.kt

where main.kt might be

import datkt.crypto.*

fun main(args: Array<String>) {
  val kp = keyPair()
  // @TODO
}

API

data class KeyPair(val publicKey: ByteArray, val secretKey: ByteArray)

A simple data class container for a public and secret key pair

keyPair(seed: ByteArray? = null): KeyPair

Generates a ed25519 key pair suitable for creating signatures.

val kp = keyPair("some random seed value".toUtf8())

or

val kp = keyPair()

sign(message: ByteArray, secretKey: ByteArray): ByteArray

Generates a signature for a given message and secret key.

val ( publicKey, secretKey ) = keyPair()
val message = "hello".toUtf8() // convert to ByteArray
val signature = sign(message, secretKey)

Tests

To run the tests, make sure the crypto.klib Kotlin library is built by running the following command.

$ npm run build

When the library is built, run the following command to run the tests.

$ npm test

See Also

  • https://github.com/mafintosh/hypercore-crypto

License

MIT