Move

web/packages/accounts/services/srp.ts

@@ -258,6 +258,41 @@ export interface SRPSetupAttributes {
     loginSubKey: string;
 }
 
+/**
+ *
+ * @param loginSubKey The user's SRP password (autogenerated, derived
+ * deterministically from their KEK by {@link deriveSRPPassword}).
+ *
+ * @returns
+ */
+export const generateSRPSetupAttributes = async (
+    loginSubKey: string,
+): Promise<SRPSetupAttributes> => {
+    const cryptoWorker = await sharedCryptoWorker();
+
+    const srpSalt = await cryptoWorker.generateDeriveKeySalt();
+
+    // Museum schema requires this to be a UUID.
+    const srpUserID = uuidv4();
+
+    const srpVerifierBuffer = SRP.computeVerifier(
+        SRP.params["4096"],
+        convertBase64ToBuffer(srpSalt),
+        Buffer.from(srpUserID),
+        convertBase64ToBuffer(loginSubKey),
+    );
+
+    const srpVerifier = convertBufferToBase64(srpVerifierBuffer);
+
+    const result = { srpUserID, srpSalt, srpVerifier, loginSubKey };
+
+    log.debug(
+        () => `SRP setup attributes generated: ${JSON.stringify(result)}`,
+    );
+
+    return result;
+};
+
 interface SetupSRPRequest {
     srpUserID: string;
     srpSalt: string;
@@ -444,41 +479,6 @@ export const convertBase64ToBuffer = (base64: string) => {
     return Buffer.from(base64, "base64");
 };
 
-/**
- *
- * @param loginSubKey The user's SRP password (autogenerated, derived
- * deterministically from their KEK by {@link deriveSRPPassword}).
- *
- * @returns
- */
-export const generateSRPSetupAttributes = async (
-    loginSubKey: string,
-): Promise<SRPSetupAttributes> => {
-    const cryptoWorker = await sharedCryptoWorker();
-
-    const srpSalt = await cryptoWorker.generateDeriveKeySalt();
-
-    // Museum schema requires this to be a UUID.
-    const srpUserID = uuidv4();
-
-    const srpVerifierBuffer = SRP.computeVerifier(
-        SRP.params["4096"],
-        convertBase64ToBuffer(srpSalt),
-        Buffer.from(srpUserID),
-        convertBase64ToBuffer(loginSubKey),
-    );
-
-    const srpVerifier = convertBufferToBase64(srpVerifierBuffer);
-
-    const result = { srpUserID, srpSalt, srpVerifier, loginSubKey };
-
-    log.debug(
-        () => `SRP setup attributes generated: ${JSON.stringify(result)}`,
-    );
-
-    return result;
-};
-
 export const loginViaSRP = async (
     srpAttributes: SRPAttributes,
     kek: string,