bitwarden-estensione-browser/libs/common/spec/models/domain/symmetricCryptoKey.spec.ts

80 lines
2.4 KiB
TypeScript

import { EncryptionType } from "@bitwarden/common/enums/encryptionType";
import { SymmetricCryptoKey } from "@bitwarden/common/models/domain/symmetricCryptoKey";
import { makeStaticByteArray } from "../../utils";
describe("SymmetricCryptoKey", () => {
it("errors if no key", () => {
const t = () => {
new SymmetricCryptoKey(null);
};
expect(t).toThrowError("Must provide key");
});
describe("guesses encKey from key length", () => {
it("AesCbc256_B64", () => {
const key = makeStaticByteArray(32);
const cryptoKey = new SymmetricCryptoKey(key);
expect(cryptoKey).toEqual({
encKey: key,
encKeyB64: "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8=",
encType: 0,
key: key,
keyB64: "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8=",
macKey: null,
});
});
it("AesCbc128_HmacSha256_B64", () => {
const key = makeStaticByteArray(32);
const cryptoKey = new SymmetricCryptoKey(key, EncryptionType.AesCbc128_HmacSha256_B64);
expect(cryptoKey).toEqual({
encKey: key.slice(0, 16),
encKeyB64: "AAECAwQFBgcICQoLDA0ODw==",
encType: 1,
key: key,
keyB64: "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8=",
macKey: key.slice(16, 32),
macKeyB64: "EBESExQVFhcYGRobHB0eHw==",
});
});
it("AesCbc256_HmacSha256_B64", () => {
const key = makeStaticByteArray(64);
const cryptoKey = new SymmetricCryptoKey(key);
expect(cryptoKey).toEqual({
encKey: key.slice(0, 32),
encKeyB64: "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8=",
encType: 2,
key: key,
keyB64:
"AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+Pw==",
macKey: key.slice(32, 64),
macKeyB64: "ICEiIyQlJicoKSorLC0uLzAxMjM0NTY3ODk6Ozw9Pj8=",
});
});
it("unknown length", () => {
const t = () => {
new SymmetricCryptoKey(makeStaticByteArray(30));
};
expect(t).toThrowError("Unable to determine encType.");
});
});
it("serializes and deserializes", () => {
const key = new SymmetricCryptoKey(makeStaticByteArray(64).buffer);
const serialized = JSON.stringify(key);
const newKey = SymmetricCryptoKey.fromJSON(JSON.parse(serialized));
expect(newKey).toEqual(key);
expect(newKey).toBeInstanceOf(SymmetricCryptoKey);
});
});