diff --git a/index.ts b/index.ts
index e69de29..92684d3 100644
--- a/index.ts
+++ b/index.ts
@@ -0,0 +1,4 @@
+export * as JWT from 'jwt'
+export * as pwd from 'pwd'
+export * as signature from 'signature'
+export * as boxes from 'boxes'
diff --git a/jwt.ts b/jwt.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/pwd.ts b/pwd.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/src/boxes/asymmetric.ts b/src/boxes/asymmetric.ts
new file mode 100644
index 0000000..98936a1
--- /dev/null
+++ b/src/boxes/asymmetric.ts
@@ -0,0 +1,24 @@
+import {Result} from 'result'
+
+export type PubKey = void
+export type PrivKey = void
+
+export class PrivateBox<T> {
+    public static gen_keypair() : [PrivKey, PubKey] {
+        throw "todo"
+    }
+
+    public static encrypt<T>(key: PubKey, data: Uint8Array) : PrivateBox<T> {
+        throw "todo"
+    }
+    public decrypt(key: PrivKey) : Result<Uint8Array> {
+        throw "todo"
+    }
+
+    public toString() : string {
+        throw "todo"
+    }
+    public static fromString<T>(data: string) : Result<PrivateBox<T>> {
+        throw "todo"
+    }
+}
diff --git a/src/boxes/index.ts b/src/boxes/index.ts
new file mode 100644
index 0000000..5617fbd
--- /dev/null
+++ b/src/boxes/index.ts
@@ -0,0 +1,3 @@
+export {PrivateBox} from './asymmetric'
+export {SecretBox} from './symmetric'
+export {PwdBox} from './pwd'
diff --git a/src/boxes/pwd.ts b/src/boxes/pwd.ts
new file mode 100644
index 0000000..7004da8
--- /dev/null
+++ b/src/boxes/pwd.ts
@@ -0,0 +1,17 @@
+import type {Result} from 'result'
+
+export class PwdBox<T> {
+    public static encrypt<T>(pwd: string, data: Uint8Array) : PwdBox<T> {
+        throw "todo"
+    }
+    public decrypt(pwd: string) : Result<Uint8Array> {
+        throw "todo"
+    }
+
+    public toString() : string {
+        throw "todo"
+    }
+    public static fromString<T>(data: string) : Result<PwdBox<T>> {
+        throw "todo"
+    }
+}
diff --git a/src/boxes/symmetric.ts b/src/boxes/symmetric.ts
new file mode 100644
index 0000000..d2d0081
--- /dev/null
+++ b/src/boxes/symmetric.ts
@@ -0,0 +1,23 @@
+import type {Result} from 'result'
+
+export type Key = void
+
+export class SecretBox<T> {
+    public static gen_key() : Key {
+        throw "todo"
+    }
+
+    public static encrypt<T>(key: Key, data: Uint8Array) : SecretBox<T> {
+        throw "todo"
+    }
+    public decrypt(key: Key) : Result<Uint8Array> {
+        throw "todo"
+    }
+
+    public toString() : string {
+        throw "todo"
+    }
+    public static fromString<T>(data: string) : Result<SecretBox<T>> {
+        throw "todo"
+    }
+}
diff --git a/src/jwt.ts b/src/jwt.ts
new file mode 100644
index 0000000..f6bbf37
--- /dev/null
+++ b/src/jwt.ts
@@ -0,0 +1,8 @@
+export type JWT = `${string}.${string}.${string}`
+
+export function create() : JWT {
+    throw "todo"
+}
+export function verify() : boolean {
+    throw "todo"
+}
diff --git a/src/pwd.ts b/src/pwd.ts
new file mode 100644
index 0000000..4e0d313
--- /dev/null
+++ b/src/pwd.ts
@@ -0,0 +1,6 @@
+export function hash(pwd: string) : string {
+    throw "todo"
+}
+export function verify(pwd: string, hash: string) : boolean {
+    throw "todo"
+}
diff --git a/src/signature.ts b/src/signature.ts
new file mode 100644
index 0000000..0041f8e
--- /dev/null
+++ b/src/signature.ts
@@ -0,0 +1,13 @@
+export type PrivKey = void
+export type PubKey = void
+export type Signature = string
+
+export function gen_keypair() : [PrivKey, PubKey] {
+    throw "todo"
+}
+export function sign(privkey: PrivKey, message: Uint8Array) : Signature {
+    throw "todo"
+}
+export function verify(pubkey: PubKey, message: Uint8Array, signature: Signature) : boolean {
+    throw "todo"
+}
diff --git a/symmetric.ts b/symmetric.ts
deleted file mode 100644
index e69de29..0000000