Add public API

src/decrypt.ts

@@ -0,0 +1,6 @@
+import { cryptoAeadDecrypt } from './romulus-m'
+
+export function decrypt (ciphertext: Buffer, associatedData: Buffer, nonce: Buffer, key: Buffer): Buffer {
+  const plaintext = cryptoAeadDecrypt(Array.from(ciphertext), Array.from(associatedData), Array.from(nonce), Array.from(key))
+  return Buffer.from(plaintext)
+}

src/encrypt.ts

@@ -0,0 +1,6 @@
+import { cryptoAeadEncrypt } from './romulus-m'
+
+export function encrypt (message: Buffer, associatedData: Buffer, nonce: Buffer, key: Buffer): Buffer {
+  const ciphertext = cryptoAeadEncrypt(Array.from(message), Array.from(associatedData), Array.from(nonce), Array.from(key))
+  return Buffer.from(ciphertext)
+}

src/index.ts

@@ -1 +1,2 @@
-console.log('Hello, World')
+export { encrypt } from './encrypt'
+export { decrypt } from './decrypt'

tests/decrypt.test.ts

@@ -0,0 +1,21 @@
+import { decrypt } from '../src/decrypt'
+
+test('Test buffers are supported by decrypt function.', () => {
+  // Given
+  const ciphertext = Buffer.from([
+    225, 53, 3, 212, 22, 112, 246, 194, 61, 171, 230, 187, 157, 102, 32, 76, 62, 65,
+    25, 202, 255, 201, 206, 49, 60, 58, 82, 216, 72, 116, 106, 129, 162, 142, 69, 40,
+    167, 88, 94, 195, 174, 217, 242, 149, 224, 125, 196, 237, 172, 165, 116, 119, 128
+  ])
+  const associatedData = Buffer.from('Some associated data.')
+  const nonce = Buffer.from('\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f')
+  const key = Buffer.from('\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f')
+
+  // When
+  const result = decrypt(ciphertext, associatedData, nonce, key)
+
+  // Then
+  const expectedResult = Buffer.from('Hello, World! This is a test message.')
+
+  expect(result).toMatchObject(expectedResult)
+})

tests/encrypt.test.ts

@@ -0,0 +1,20 @@
+import { encrypt } from '../src/encrypt'
+
+test('Test buffers are supported by encrypt function.', () => {
+  // Given
+  const message = Buffer.from('Hello, World! This is a test message.')
+  const associatedData = Buffer.from('Some associated data.')
+  const nonce = Buffer.from('\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f')
+  const key = Buffer.from('\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f')
+
+  // When
+  const result = encrypt(message, associatedData, nonce, key)
+
+  // Then
+  const expectedResult = Buffer.from([
+    225, 53, 3, 212, 22, 112, 246, 194, 61, 171, 230, 187, 157, 102, 32, 76, 62, 65,
+    25, 202, 255, 201, 206, 49, 60, 58, 82, 216, 72, 116, 106, 129, 162, 142, 69, 40,
+    167, 88, 94, 195, 174, 217, 242, 149, 224, 125, 196, 237, 172, 165, 116, 119, 128
+  ])
+  expect(result).toMatchObject(expectedResult)
+})

tsconfig.eslint.json

@@ -1,5 +1,4 @@
 {
   "extends": "./tsconfig.json",
-  // "include": ["src", "tests"],
   "exclude": []
 }