[EC-271] Refactor CryptoService - move symmetric encryption to EncryptService (#3042)

* move decryptFromBytes, decryptToBytes, and encryptToBytes from CryptoService to EncryptService
* leave redirects in CryptoService
* combine encryptService decryptFromBytes and decryptToBytes methods
* move parsing logic into EncArrayBuffer
* add tests

libs/common/spec/services/crypto.service.spec.ts

@@ -0,0 +1,38 @@
+import { mock, mockReset } from "jest-mock-extended";
+
+import { AbstractEncryptService } from "@bitwarden/common/abstractions/abstractEncrypt.service";
+import { CryptoFunctionService } from "@bitwarden/common/abstractions/cryptoFunction.service";
+import { LogService } from "@bitwarden/common/abstractions/log.service";
+import { PlatformUtilsService } from "@bitwarden/common/abstractions/platformUtils.service";
+import { StateService } from "@bitwarden/common/abstractions/state.service";
+import { CryptoService } from "@bitwarden/common/services/crypto.service";
+
+describe("cryptoService", () => {
+  let cryptoService: CryptoService;
+
+  const cryptoFunctionService = mock<CryptoFunctionService>();
+  const encryptService = mock<AbstractEncryptService>();
+  const platformUtilService = mock<PlatformUtilsService>();
+  const logService = mock<LogService>();
+  const stateService = mock<StateService>();
+
+  beforeEach(() => {
+    mockReset(cryptoFunctionService);
+    mockReset(encryptService);
+    mockReset(platformUtilService);
+    mockReset(logService);
+    mockReset(stateService);
+
+    cryptoService = new CryptoService(
+      cryptoFunctionService,
+      encryptService,
+      platformUtilService,
+      logService,
+      stateService
+    );
+  });
+
+  it("instantiates", () => {
+    expect(cryptoService).not.toBeFalsy();
+  });
+});