global: add enable inbox setting to generate/discard inbox key pair (#8527)

Signed-off-by: 01zulfi <85733202+01zulfi@users.noreply.github.com>

apps/web/src/components/icons/index.tsx

@@ -230,7 +230,8 @@ import {
   mdiHamburger,
   mdiNotePlus,
   mdiNoteEditOutline,
-  mdiArrowUp
+  mdiArrowUp,
+  mdiInbox
 } from "@mdi/js";
 import { useTheme } from "@emotion/react";
 import { Theme } from "@notesnook/theme";
@@ -584,3 +585,4 @@ export const ColorRemove = createIcon(mdiCloseCircleOutline);
 export const ExpandSidebar = createIcon(mdiArrowCollapseRight);
 export const HamburgerMenu = createIcon(mdiMenu);
 export const ArrowUp = createIcon(mdiArrowUp);
+export const Inbox = createIcon(mdiInbox);

apps/web/src/dialogs/settings/inbox-settings.ts

@@ -0,0 +1,46 @@
+/*
+This file is part of the Notesnook project (https://notesnook.com/)
+
+Copyright (C) 2023 Streetwriters (Private) Limited
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+import { SettingsGroup } from "./types";
+import { useStore as useSettingStore } from "../../stores/setting-store";
+
+export const InboxSettings: SettingsGroup[] = [
+  {
+    key: "inbox",
+    section: "inbox",
+    header: "Inbox",
+    settings: [
+      {
+        key: "toggle-inbox",
+        title: "Enable Inbox API",
+        description: "Enable/disable Inbox API",
+        keywords: ["inbox"],
+        onStateChange: (listener) =>
+          useSettingStore.subscribe((s) => s.isInboxEnabled, listener),
+        components: [
+          {
+            type: "toggle",
+            isToggled: () => useSettingStore.getState().isInboxEnabled,
+            toggle: () => useSettingStore.getState().toggleInbox()
+          }
+        ]
+      }
+    ]
+  }
+];

apps/web/src/dialogs/settings/index.tsx

@@ -38,7 +38,8 @@ import {
   Pro,
   Servers,
   ShieldLock,
-  Sync
+  Sync,
+  Inbox
 } from "../../components/icons";
 import NavigationItem from "../../components/navigation-menu/navigation-item";
 import { FlexScrollContainer } from "../../components/scroll-container";
@@ -78,6 +79,7 @@ import { BaseDialogProps, DialogManager } from "../../common/dialog-manager";
 import { ServersSettings } from "./servers-settings";
 import { strings } from "@notesnook/intl";
 import { mdToHtml } from "../../utils/md";
+import { InboxSettings } from "./inbox-settings";
 
 type SettingsDialogProps = BaseDialogProps<false> & {
   activeSection?: SectionKeys;
@@ -106,6 +108,12 @@ const sectionGroups: SectionGroup[] = [
         title: strings.sync(),
         icon: Sync,
         isHidden: () => !useUserStore.getState().isLoggedIn
+      },
+      {
+        key: "inbox",
+        title: "Inbox",
+        icon: Inbox,
+        isHidden: () => true // hidden until complete
       }
     ]
   },
@@ -176,7 +184,8 @@ const SettingsGroups = [
   ...SupportSettings,
   ...AboutSettings,
   ...SubscriptionSettings,
-  ...ServersSettings
+  ...ServersSettings,
+  ...InboxSettings
 ];
 
 // Thoughts:

apps/web/src/dialogs/settings/types.ts

@@ -39,7 +39,8 @@ export type SectionKeys =
   | "support"
   | "legal"
   | "developer"
-  | "about";
+  | "about"
+  | "inbox";
 
 export type SectionGroupKeys =
   | "account"

apps/web/src/interfaces/storage.ts

@@ -128,6 +128,10 @@ export class NNStorage implements IStorage {
     return await NNCrypto.exportKey(password, salt);
   }
 
+  async generateCryptoKeyPair() {
+    return await NNCrypto.exportKeyPair();
+  }
+
   async hash(password: string, email: string): Promise<string> {
     return await NNCrypto.hash(password, `${APP_SALT}${email}`);
   }

apps/web/src/stores/setting-store.ts

@@ -27,6 +27,7 @@ import { useEditorStore } from "./editor-store";
 import { setDocumentTitle } from "../utils/dom";
 import { TimeFormat } from "@notesnook/core";
 import { Profile, TrashCleanupInterval } from "@notesnook/core";
+import { showToast } from "../utils/toast";
 
 export const HostIds = [
   "API_HOST",
@@ -89,6 +90,7 @@ class SettingStore extends BaseStore<SettingStore> {
   isFlatpak = false;
   isSnap = false;
   proxyRules?: string;
+  isInboxEnabled = false;
 
   refresh = async () => {
     this.set({
@@ -105,7 +107,8 @@ class SettingStore extends BaseStore<SettingStore> {
       customDns: await desktop?.integration.customDns.query(),
       zoomFactor: await desktop?.integration.zoomFactor.query(),
       autoUpdates: await desktop?.updater.autoUpdates.query(),
-      proxyRules: await desktop?.integration.proxyRules.query()
+      proxyRules: await desktop?.integration.proxyRules.query(),
+      isInboxEnabled: await db.user.hasInboxKeys()
     });
   };
 
@@ -271,6 +274,25 @@ class SettingStore extends BaseStore<SettingStore> {
     this.set({ serverUrls: { ...serverUrls, ...urls } });
     Config.set("serverUrls", { ...serverUrls, ...urls });
   };
+
+  toggleInbox = async () => {
+    const { isInboxEnabled } = this.get();
+    const newState = !isInboxEnabled;
+
+    try {
+      if (newState) {
+        await db.user.getInboxKeys();
+      } else {
+        await db.user.discardInboxKeys();
+      }
+
+      this.set((state) => (state.isInboxEnabled = newState));
+    } catch (e) {
+      if (e instanceof Error) {
+        showToast("error", e.message);
+      }
+    }
+  };
 }
 
 const [useStore, store] = createStore<SettingStore>(

packages/core/src/api/user-manager.ts

@@ -24,7 +24,7 @@ import TokenManager from "./token-manager.js";
 import { EV, EVENTS } from "../common.js";
 import { HealthCheck } from "./healthcheck.js";
 import Database from "./index.js";
-import { SerializedKey } from "@notesnook/crypto";
+import { SerializedKeyPair, SerializedKey, Cipher } from "@notesnook/crypto";
 import { logger } from "../logger.js";
 
 const ENDPOINTS = {
@@ -44,6 +44,7 @@ class UserManager {
   private tokenManager: TokenManager;
   private cachedAttachmentKey?: SerializedKey;
   private cachedMonographPasswordsKey?: SerializedKey;
+  private cachedInboxKeys?: SerializedKeyPair;
   constructor(private readonly db: Database) {
     this.tokenManager = new TokenManager(this.db.kv);
 
@@ -278,6 +279,7 @@ class UserManager {
       logger.error(e, "Error logging out user.", { revoke, reason });
     } finally {
       this.cachedAttachmentKey = undefined;
+      this.cachedInboxKeys = undefined;
       await this.db.reset();
       EV.publish(EVENTS.userLoggedOut, reason);
       EV.publish(EVENTS.appRefreshRequested);
@@ -420,13 +422,26 @@ class UserManager {
     return { key, salt: user.salt };
   }
 
-  async getAttachmentsKey() {
-    if (this.cachedAttachmentKey) return this.cachedAttachmentKey;
+  private async getUserKey<T>(config: {
+    getCache: () => T | undefined;
+    setCache: (key: T) => void;
+    userProperty: keyof User;
+    generateKey: () => Promise<T>;
+    errorContext: string;
+    decrypt: (user: User, userEncryptionKey: SerializedKey) => Promise<T>;
+    encrypt: (
+      key: T,
+      userEncryptionKey: SerializedKey
+    ) => Promise<Partial<User>>;
+  }): Promise<T | undefined> {
+    const cachedKey = config.getCache();
+    if (cachedKey) return cachedKey;
+
     try {
       let user = await this.getUser();
       if (!user) return;
 
-      if (!user.attachmentsKey) {
+      if (!user[config.userProperty]) {
         const token = await this.tokenManager.getAccessToken();
         user = await http.get(`${constants.API_HOST}${ENDPOINTS.user}`, token);
       }
@@ -435,74 +450,134 @@ class UserManager {
       const userEncryptionKey = await this.getEncryptionKey();
       if (!userEncryptionKey) return;
 
-      if (!user.attachmentsKey) {
-        const key = await this.db.crypto().generateRandomKey();
-        user.attachmentsKey = await this.db
-          .storage()
-          .encrypt(userEncryptionKey, JSON.stringify(key));
-
-        await this.updateUser({ attachmentsKey: user.attachmentsKey });
+      if (!user[config.userProperty]) {
+        const key = await config.generateKey();
+        const updatePayload = await config.encrypt(key, userEncryptionKey);
+        await this.updateUser(updatePayload);
         return key;
       }
 
-      const plainData = await this.db
-        .storage()
-        .decrypt(userEncryptionKey, user.attachmentsKey);
-      if (!plainData) return;
-      this.cachedAttachmentKey = JSON.parse(plainData) as SerializedKey;
-      return this.cachedAttachmentKey;
+      const decryptedKey = await config.decrypt(user, userEncryptionKey);
+      config.setCache(decryptedKey);
+      return decryptedKey;
     } catch (e) {
-      logger.error(e, "Could not get attachments encryption key.");
+      logger.error(e, `Could not get ${config.errorContext}.`);
       if (e instanceof Error)
         throw new Error(
-          `Could not get attachments encryption key. Error: ${e.message}`
+          `Could not get ${config.errorContext}. Error: ${e.message}`
         );
     }
   }
 
-  async getMonographPasswordsKey() {
-    if (this.cachedMonographPasswordsKey) {
-      return this.cachedMonographPasswordsKey;
-    }
-
-    try {
-      let user = await this.getUser();
-      if (!user) return;
-
-      if (!user.monographPasswordsKey) {
-        const token = await this.tokenManager.getAccessToken();
-        user = await http.get(`${constants.API_HOST}${ENDPOINTS.user}`, token);
-      }
-      if (!user) return;
-
-      const userEncryptionKey = await this.getEncryptionKey();
-      if (!userEncryptionKey) return;
-
-      if (!user.monographPasswordsKey) {
-        const key = await this.db.crypto().generateRandomKey();
-        user.monographPasswordsKey = await this.db
+  async getAttachmentsKey() {
+    return this.getUserKey<SerializedKey>({
+      getCache: () => this.cachedAttachmentKey,
+      setCache: (key) => {
+        this.cachedAttachmentKey = key;
+      },
+      userProperty: "attachmentsKey",
+      generateKey: () => this.db.crypto().generateRandomKey(),
+      errorContext: "attachments encryption key",
+      encrypt: async (key, userEncryptionKey) => {
+        const encryptedKey = await this.db
           .storage()
           .encrypt(userEncryptionKey, JSON.stringify(key));
-
-        await this.updateUser({
-          monographPasswordsKey: user.monographPasswordsKey
-        });
-        return key;
+        return { attachmentsKey: encryptedKey };
+      },
+      decrypt: async (user, userEncryptionKey) => {
+        const encryptedKey = user.attachmentsKey as Cipher<"base64">;
+        const plainData = await this.db
+          .storage()
+          .decrypt(userEncryptionKey, encryptedKey);
+        if (!plainData) throw new Error("Failed to decrypt attachments key");
+        return JSON.parse(plainData) as SerializedKey;
       }
+    });
+  }
 
-      const plainData = await this.db
-        .storage()
-        .decrypt(userEncryptionKey, user.monographPasswordsKey);
-      if (!plainData) return;
-      this.cachedMonographPasswordsKey = JSON.parse(plainData) as SerializedKey;
-      return this.cachedMonographPasswordsKey;
-    } catch (e) {
-      logger.error(e, "Could not get monographs encryption key.");
-      if (e instanceof Error)
-        throw new Error(
-          `Could not get monographs encryption key. Error: ${e.message}`
-        );
-    }
+  async getMonographPasswordsKey() {
+    return this.getUserKey<SerializedKey>({
+      getCache: () => this.cachedMonographPasswordsKey,
+      setCache: (key) => {
+        this.cachedMonographPasswordsKey = key;
+      },
+      userProperty: "monographPasswordsKey",
+      generateKey: () => this.db.crypto().generateRandomKey(),
+      errorContext: "monographs encryption key",
+      encrypt: async (key, userEncryptionKey) => {
+        const encryptedKey = await this.db
+          .storage()
+          .encrypt(userEncryptionKey, JSON.stringify(key));
+        return { monographPasswordsKey: encryptedKey };
+      },
+      decrypt: async (user, userEncryptionKey) => {
+        const encryptedKey = user.monographPasswordsKey as Cipher<"base64">;
+        const plainData = await this.db
+          .storage()
+          .decrypt(userEncryptionKey, encryptedKey);
+        if (!plainData)
+          throw new Error("Failed to decrypt monograph passwords key");
+        return JSON.parse(plainData) as SerializedKey;
+      }
+    });
+  }
+
+  async getInboxKeys() {
+    return this.getUserKey<SerializedKeyPair>({
+      getCache: () => this.cachedInboxKeys,
+      setCache: (key) => {
+        this.cachedInboxKeys = key;
+      },
+      userProperty: "inboxKeys",
+      generateKey: () => this.db.crypto().generateCryptoKeyPair(),
+      errorContext: "inbox encryption keys",
+      encrypt: async (keys, userEncryptionKey) => {
+        const encryptedPrivateKey = await this.db
+          .storage()
+          .encrypt(userEncryptionKey, JSON.stringify(keys.privateKey));
+        return {
+          inboxKeys: {
+            public: keys.publicKey,
+            private: encryptedPrivateKey
+          }
+        };
+      },
+      decrypt: async (user, userEncryptionKey) => {
+        if (!user.inboxKeys) throw new Error("Inbox keys not found");
+        const decryptedPrivateKey = await this.db
+          .storage()
+          .decrypt(userEncryptionKey, user.inboxKeys.private);
+        return {
+          publicKey: user.inboxKeys.public,
+          privateKey: JSON.parse(decryptedPrivateKey)
+        };
+      }
+    });
+  }
+
+  async hasInboxKeys() {
+    if (this.cachedInboxKeys) return true;
+
+    let user = await this.getUser();
+    if (!user) return false;
+
+    return !!user.inboxKeys;
+  }
+
+  async discardInboxKeys() {
+    this.cachedInboxKeys = undefined;
+
+    const user = await this.getUser();
+    if (!user) return;
+
+    const token = await this.tokenManager.getAccessToken();
+    await http.patch.json(
+      `${constants.API_HOST}${ENDPOINTS.user}`,
+      { inboxKeys: { public: null, private: null } },
+      token
+    );
+
+    await this.setUser({ ...user, inboxKeys: undefined });
   }
 
   async sendVerificationEmail(newEmail?: string) {
@@ -616,6 +691,16 @@ class UserManager {
           .encrypt(userEncryptionKey, JSON.stringify(monographPasswordsKey));
         updateUserPayload.monographPasswordsKey = user.monographPasswordsKey;
       }
+      const inboxKeys = await this.getInboxKeys();
+      if (inboxKeys) {
+        user.inboxKeys = {
+          public: inboxKeys.publicKey,
+          private: await this.db
+            .storage()
+            .encrypt(userEncryptionKey, JSON.stringify(inboxKeys.privateKey))
+        };
+        updateUserPayload.inboxKeys = user.inboxKeys;
+      }
       if (Object.keys(updateUserPayload).length > 0) {
         await this.updateUser(updateUserPayload);
       }

packages/core/src/interfaces.ts

@@ -17,7 +17,12 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-import { Cipher, DataFormat, SerializedKey } from "@notesnook/crypto";
+import {
+  Cipher,
+  DataFormat,
+  SerializedKey,
+  SerializedKeyPair
+} from "@notesnook/crypto";
 import { KVStorage } from "./database/kv.js";
 import { ConfigStorage } from "./database/config.js";
 
@@ -65,6 +70,7 @@ export interface IStorage {
   ): Promise<string>;
   getCryptoKey(): Promise<string | undefined>;
   generateCryptoKey(password: string, salt?: string): Promise<SerializedKey>;
+  generateCryptoKeyPair(): Promise<SerializedKeyPair>;
 
   generateCryptoKeyFallback(
     password: string,

packages/core/src/types.ts

@@ -557,6 +557,7 @@ export type User = {
   salt: string;
   attachmentsKey?: Cipher<"base64">;
   monographPasswordsKey?: Cipher<"base64">;
+  inboxKeys?: { public: string; private: Cipher<"base64"> };
   marketingConsent?: boolean;
   mfa: {
     isEnabled: boolean;

packages/core/src/utils/crypto.ts

@@ -29,6 +29,10 @@ export class Crypto {
     const password = passwordBytes.toString("base64");
     return await this.storage().generateCryptoKey(password);
   }
+
+  async generateCryptoKeyPair() {
+    return await this.storage().generateCryptoKeyPair();
+  }
 }
 
 export function isCipher(item: any): item is Cipher<"base64"> {

packages/crypto/src/index.ts

@@ -29,7 +29,9 @@ import {
   Input,
   Output,
   DataFormat,
-  SerializedKey
+  SerializedKey,
+  SerializedKeyPair,
+  EncryptionKeyPair
 } from "./types.js";
 
 export class NNCrypto implements INNCrypto {
@@ -104,11 +106,21 @@ export class NNCrypto implements INNCrypto {
     return KeyUtils.deriveKey(this.sodium, password, salt);
   }
 
+  async deriveKeyPair(): Promise<EncryptionKeyPair> {
+    await this.init();
+    return KeyUtils.deriveKeyPair(this.sodium);
+  }
+
   async exportKey(password: string, salt?: string): Promise<SerializedKey> {
     await this.init();
     return KeyUtils.exportKey(this.sodium, password, salt);
   }
 
+  async exportKeyPair(): Promise<SerializedKeyPair> {
+    await this.init();
+    return KeyUtils.exportKeyPair(this.sodium);
+  }
+
   async createEncryptionStream(key: SerializedKey) {
     await this.init();
     return Encryption.createStream(this.sodium, key);

packages/crypto/src/interfaces.ts

@@ -24,7 +24,9 @@ import {
   SerializedKey,
   Chunk,
   Output,
-  Input
+  Input,
+  EncryptionKeyPair,
+  SerializedKeyPair
 } from "./types.js";
 
 export interface IStreamable {
@@ -63,8 +65,12 @@ export interface INNCrypto {
 
   deriveKey(password: string, salt?: string): Promise<EncryptionKey>;
 
+  deriveKeyPair(): Promise<EncryptionKeyPair>;
+
   exportKey(password: string, salt?: string): Promise<SerializedKey>;
 
+  exportKeyPair(): Promise<SerializedKeyPair>;
+
   createEncryptionStream(
     key: SerializedKey
   ): Promise<{ iv: string; stream: TransformStream<Chunk, Uint8Array> }>;

packages/crypto/src/keyutils.ts

@@ -18,7 +18,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 import { ISodium } from "@notesnook/sodium";
-import { EncryptionKey, SerializedKey } from "./types.js";
+import {
+  EncryptionKey,
+  EncryptionKeyPair,
+  SerializedKey,
+  SerializedKeyPair
+} from "./types.js";
 
 export default class KeyUtils {
   static deriveKey(
@@ -51,6 +56,14 @@ export default class KeyUtils {
     };
   }
 
+  static deriveKeyPair(sodium: ISodium): EncryptionKeyPair {
+    const keypair = sodium.crypto_box_keypair();
+    return {
+      publicKey: keypair.publicKey,
+      privateKey: keypair.privateKey
+    };
+  }
+
   static exportKey(
     sodium: ISodium,
     password: string,
@@ -60,6 +73,14 @@ export default class KeyUtils {
     return { key: sodium.to_base64(key), salt: keySalt };
   }
 
+  static exportKeyPair(sodium: ISodium): SerializedKeyPair {
+    const { publicKey, privateKey } = this.deriveKeyPair(sodium);
+    return {
+      publicKey: sodium.to_base64(publicKey),
+      privateKey: sodium.to_base64(privateKey)
+    };
+  }
+
   /**
    * Takes in either a password or a serialized encryption key
    * and spits out a key that can be directly used for encryption/decryption.

packages/crypto/src/types.ts

@@ -49,3 +49,13 @@ export type Chunk = {
   data: Uint8Array;
   final: boolean;
 };
+
+export type EncryptionKeyPair = {
+  publicKey: Uint8Array;
+  privateKey: Uint8Array;
+};
+
+export type SerializedKeyPair = {
+  publicKey: string;
+  privateKey: string;
+};

packages/sodium/src/browser.ts

@@ -118,6 +118,9 @@ export class Sodium implements ISodium {
   get crypto_secretstream_xchacha20poly1305_TAG_MESSAGE() {
     return sodium.crypto_secretstream_xchacha20poly1305_TAG_MESSAGE;
   }
+  get crypto_box_keypair() {
+    return sodium.crypto_box_keypair;
+  }
 }
 
 function convertVariant(variant: base64_variants): sodium.base64_variants {

packages/sodium/src/node.ts

@@ -46,14 +46,29 @@ import {
   crypto_aead_xchacha20poly1305_ietf_KEYBYTES,
   crypto_aead_xchacha20poly1305_ietf_NPUBBYTES,
   crypto_secretstream_xchacha20poly1305_TAG_FINAL,
-  crypto_secretstream_xchacha20poly1305_TAG_MESSAGE
+  crypto_secretstream_xchacha20poly1305_TAG_MESSAGE,
+  crypto_box_keypair as sodium_native_crypto_box_keypair,
+  crypto_box_PUBLICKEYBYTES,
+  crypto_box_SECRETKEYBYTES
 } from "sodium-native";
 import { Buffer } from "node:buffer";
 import { base64_variants, ISodium } from "./types";
 
 export type Uint8ArrayOutputFormat = "uint8array";
 export type StringOutputFormat = "text" | "hex" | "base64";
+export type KeyType = "curve25519" | "ed25519" | "x25519";
 export type StateAddress = { name: string };
+export interface KeyPair {
+  keyType: KeyType;
+  privateKey: Uint8Array;
+  publicKey: Uint8Array;
+}
+
+export interface StringKeyPair {
+  keyType: KeyType;
+  privateKey: string;
+  publicKey: string;
+}
 export interface MessageTag {
   message: Uint8Array;
   tag: number;
@@ -329,6 +344,39 @@ function crypto_secretstream_xchacha20poly1305_pull(
   return { message, tag: tag.readUInt8() } as MessageTag | StringMessageTag;
 }
 
+function crypto_box_keypair(
+  outputFormat?: Uint8ArrayOutputFormat | null
+): KeyPair;
+function crypto_box_keypair(outputFormat: StringOutputFormat): StringKeyPair;
+function crypto_box_keypair(
+  outputFormat?: Uint8ArrayOutputFormat | null | StringOutputFormat
+): KeyPair | StringKeyPair {
+  const publicBuffer = Buffer.alloc(crypto_box_PUBLICKEYBYTES);
+  const privateBuffer = Buffer.alloc(crypto_box_SECRETKEYBYTES);
+
+  sodium_native_crypto_box_keypair(publicBuffer, privateBuffer);
+
+  if (typeof outputFormat === "string") {
+    const transformer =
+      outputFormat === "base64"
+        ? to_base64
+        : outputFormat === "hex"
+        ? to_hex
+        : to_string;
+    return {
+      keyType: "x25519" as KeyType,
+      publicKey: transformer(new Uint8Array(publicBuffer)),
+      privateKey: transformer(new Uint8Array(privateBuffer))
+    };
+  } else {
+    return {
+      keyType: "x25519" as KeyType,
+      publicKey: new Uint8Array(publicBuffer),
+      privateKey: new Uint8Array(privateBuffer)
+    };
+  }
+}
+
 function randombytes_buf(
   length: number,
   outputFormat?: Uint8ArrayOutputFormat | null
@@ -391,6 +439,10 @@ function to_string(input: Uint8Array): string {
   );
 }
 
+function to_hex(input: Uint8Array): string {
+  return Buffer.from(input, input.byteOffset, input.byteLength).toString("hex");
+}
+
 type ToBufferInput = string | Uint8Array | null | undefined;
 type ToBufferResult<TInput extends ToBufferInput> = TInput extends
   | undefined
@@ -539,6 +591,9 @@ export class Sodium implements ISodium {
   get crypto_secretstream_xchacha20poly1305_TAG_MESSAGE() {
     return crypto_secretstream_xchacha20poly1305_TAG_MESSAGE;
   }
+  get crypto_box_keypair() {
+    return crypto_box_keypair;
+  }
 }
 
 export { base64_variants, type ISodium };

packages/sodium/src/types.ts

@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-import type sodium from "libsodium-wrappers-sumo";
+import sodium from "libsodium-wrappers-sumo";
 
 export enum base64_variants {
   ORIGINAL = 1,
@@ -61,4 +61,5 @@ export interface ISodium {
   get crypto_aead_xchacha20poly1305_ietf_NPUBBYTES(): typeof sodium.crypto_aead_xchacha20poly1305_ietf_NPUBBYTES;
   get crypto_secretstream_xchacha20poly1305_TAG_FINAL(): typeof sodium.crypto_secretstream_xchacha20poly1305_TAG_FINAL;
   get crypto_secretstream_xchacha20poly1305_TAG_MESSAGE(): typeof sodium.crypto_secretstream_xchacha20poly1305_TAG_MESSAGE;
+  get crypto_box_keypair(): typeof sodium.crypto_box_keypair;
 }