fix(srp): remove srp flow from admin signup

frontend/src/helpers/key.ts

@@ -1,84 +0,0 @@
-import Aes256Gcm from "@app/components/utilities/cryptography/aes-256-gcm";
-import { deriveArgonKey } from "@app/components/utilities/cryptography/crypto";
-
-/**
- * @param {Object} obj
- * @param {Number} obj.encryptionVersion
- * @param {String} obj.encryptedPrivateKey
- * @param {String} obj.iv
- * @param {String} obj.tag
- * @param {String} obj.password
- * @param {String} obj.salt
- * @param {String} obj.protectedKey
- * @param {String} obj.protectedKeyIV
- * @param {String} obj.protectedKeyTag
- */
-const decryptPrivateKeyHelper = async ({
-  encryptionVersion,
-  encryptedPrivateKey,
-  iv,
-  tag,
-  password,
-  salt,
-  protectedKey,
-  protectedKeyIV,
-  protectedKeyTag
-}: {
-  encryptionVersion: number;
-  encryptedPrivateKey: string;
-  iv: string;
-  tag: string;
-  password: string;
-  salt: string;
-  protectedKey?: string;
-  protectedKeyIV?: string;
-  protectedKeyTag?: string;
-}) => {
-  let privateKey;
-  try {
-    if (encryptionVersion === 1) {
-      privateKey = Aes256Gcm.decrypt({
-        ciphertext: encryptedPrivateKey,
-        iv,
-        tag,
-        secret: password
-          .slice(0, 32)
-          .padStart(32 + (password.slice(0, 32).length - new Blob([password]).size), "0")
-      });
-    } else if (encryptionVersion === 2 && protectedKey && protectedKeyIV && protectedKeyTag) {
-      const derivedKey = await deriveArgonKey({
-        password,
-        salt,
-        mem: 65536,
-        time: 3,
-        parallelism: 1,
-        hashLen: 32
-      });
-
-      if (!derivedKey) throw new Error("Failed to generate derived key");
-
-      const key = Aes256Gcm.decrypt({
-        ciphertext: protectedKey,
-        iv: protectedKeyIV,
-        tag: protectedKeyTag,
-        secret: Buffer.from(derivedKey.hash)
-      });
-
-      // decrypt back the private key
-      privateKey = Aes256Gcm.decrypt({
-        ciphertext: encryptedPrivateKey,
-        iv,
-        tag,
-        secret: Buffer.from(key, "hex")
-      });
-    } else {
-      throw new Error("Insufficient details to decrypt private key");
-    }
-  } catch {
-    throw new Error("Failed to decrypt private key");
-  }
-
-  return privateKey;
-};
-
-export { decryptPrivateKeyHelper };