diff --git a/@sammo/crypto/src/index.ts b/@sammo/crypto/src/index.ts
index 38c3534..e7a4fe4 100644
--- a/@sammo/crypto/src/index.ts
+++ b/@sammo/crypto/src/index.ts
@@ -1,4 +1,5 @@
 import { InvalidArgument } from '@sammo/util';
+import type { RandUtil } from './RandUtil.js';
 
 export class InvalidVType extends InvalidArgument {
     public override name = 'InvalidVType';
@@ -99,6 +100,10 @@ export * as SHA2 from './SHA2.js';
 export * as ECDHe from './ECDHe.js';
 export * as ECDHe_AES from './ECDHe_AES.js';
 
+export { RandUtil } from './RandUtil.js';
+export { LiteHashDRBG } from './LiteHashDRBG.js';
+export type { RNG } from './RNG.js';
+
 export * as RawTypes from './RawTypes.js';
 
 export * from './utils.js';