added utils and hashing

src/Hash.ts

@@ -0,0 +1,18 @@
+import { createHash } from 'crypto'
+
+enum Hashes {
+	MD5 = 'md5',
+	SHA1_1 = 'sha1',
+	SHA1_256 = 'sha256',
+	SHA1_512 = 'sha512',
+	SHA3_256 = 'sha3-256',
+	SHA3_384 = 'sha3-384',
+	SHA3_512 = 'sha3-512',
+}
+
+export default class Hash {
+
+	static Hashes = Hashes
+
+	static digest = (s: string, type: Hashes = Hashes.SHA3_256): string => createHash(type).update(s).digest().toString('hex')
+}

src/Util.ts

@@ -1,4 +1,20 @@
+import { randomBytes } from 'crypto'
+
 export class Base64 {
 	static encode = (s: string): string => Buffer.from(s).toString('base64')
 	static decode = (s: string): string => Buffer.from(s, 'base64').toString()
 }
+
+
+function Rand(length: number, string: false): Buffer
+function Rand(length: number, string: true): string
+function Rand(length: number, string: boolean = false): Buffer | string {
+	const r = randomBytes(length)
+	return string
+		? r.toString('ascii')
+		: r
+}
+
+export default {
+	Rand
+}

src/index.ts

@@ -1,14 +1,20 @@
-import RSA_Internal from './RSA'
-import Symmetric_Internal from './Symmetric'
+import H from './Hash'
+import R from './RSA'
+import S from './Symmetric'
+import U from './Util'
 
-export const RSA = RSA_Internal
-export const Symmetric = Symmetric_Internal
+export const RSA = R
+export const Symmetric = S
+export const Hash = H
+export const Util = U
 
 
 export default {
 	RSA,
 	Symmetric,
+	Hash,
+	Util,
 }
 
 // Require node 11
-if (parseInt(process.versions.node.split('.')[0]) < 10) throw new Error('Node 10 or higher is required')
+if (parseInt(process.versions.node.split('.')[0]) < 11) throw new Error('Node 11 or higher is required')