Import pwd hashing and verification

index.ts

@@ -4,6 +4,7 @@ import PrivateBox from './src/private-box'
 import PrivateWrap from './src/private-wrap'
 import PwdBox from './src/pwd-box'
 import PwdWrap from './src/pwd-wrap'
+import {hash, verify} from './src/pwd'
 
 export enum Strength {
   weak,
@@ -22,5 +23,6 @@ export * as kdf from './src/kdf'
 export * as misc from './src/misc'
 export * as signature from './src/signature'
 export * as JWT from './src/jwt'
+export const pwd = {hash, verify}
 
 export {SecretBox, SecretWrap, PrivateBox, PrivateWrap, PwdBox, PwdWrap}