moving into taler-crpto

packages/exchange-backoffice-ui/src/account.ts

@@ -1,4 +1,12 @@
-import { decodeCrock, encodeCrock } from "@gnu-taler/taler-util";
+import {
+  bytesToString,
+  createEddsaKeyPair,
+  decodeCrock,
+  encodeCrock,
+  encryptWithDerivedKey,
+  getRandomBytesF,
+  stringToBytes,
+} from "@gnu-taler/taler-util";
 
 /**
  * Create a new session id from which it will
@@ -55,27 +63,19 @@ export async function unlockAccount(
  * @returns
  */
 export async function createNewAccount(password: string) {
-  const { privateKey } = await createPair();
+  const { eddsaPriv } = createEddsaKeyPair();
   const salt = createSalt();
 
-  const protectedPrivKey = await protectWithPassword(
-    privateKey,
+  const key = stringToBytes(password);
+
+  const protectedPrivKey = await encryptWithDerivedKey(
+    getRandomBytesF(24),
+    key,
+    eddsaPriv,
     salt,
-    password,
   );
 
-  //   const privRaw = await crypto.subtle
-  //     .exportKey("pkcs8", privateKey)
-  //     .catch((e) => {
-  //       throw new Error(String(e));
-  //     });
-
-  // const pubRaw = await crypto.subtle.exportKey("spki", publicKey).catch((e) => {
-  //   throw new Error(String(e));
-  // });
-
-  // const pub = btoa(ab2str(pubRaw));
-  const protectedPriv = btoa(ab2str(protectedPrivKey));
+  const protectedPriv = bytesToString(protectedPrivKey);
 
   return { accountId: protectedPriv, salt };
 }

packages/taler-util/src/taler-crypto.ts

@@ -1393,7 +1393,7 @@ async function deriveKey(
   });
 }
 
-async function encryptWithDerivedKey(
+export async function encryptWithDerivedKey(
   nonce: EncryptionNonce,
   keySeed: OpaqueData,
   plaintext: OpaqueData,