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Code Issues Releases Wiki Activity

add support for decrypting AES-ECB mode (#6476)

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This commit is contained in:
Kyle Spearrin
2023-10-04 16:58:47 -04:00
committed by GitHub
parent 7a32837bc7
commit 9212751553
7 changed files with 120 additions and 28 deletions
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38
libs/common/src/platform/services/web-crypto-function.service.spec.ts
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@@ -3,6 +3,7 @@ import { Substitute } from "@fluffy-spoon/substitute";
import { Utils } from "../../platform/misc/utils";
import { PlatformUtilsService } from "../abstractions/platform-utils.service";
import { DecryptParameters } from "../models/domain/decrypt-parameters";
import { SymmetricCryptoKey } from "../models/domain/symmetric-crypto-key";
import { WebCryptoFunctionService } from "./web-crypto-function.service";
@@ -233,7 +234,7 @@ describe("WebCrypto Function Service", () => {
});
});
describe("aesEncrypt", () => {
describe("aesEncrypt CBC mode", () => {
it("should successfully encrypt data", async () => {
const cryptoFunctionService = getWebCryptoFunctionService();
const iv = makeStaticByteArray(16);
@@ -254,7 +255,7 @@ describe("WebCrypto Function Service", () => {
const b64Iv = Utils.fromBufferToB64(iv);
const symKey = new SymmetricCryptoKey(key);
const params = cryptoFunctionService.aesDecryptFastParameters(encData, b64Iv, null, symKey);
const decValue = await cryptoFunctionService.aesDecryptFast(params);
const decValue = await cryptoFunctionService.aesDecryptFast(params, "cbc");
expect(decValue).toBe(value);
});
@@ -265,30 +266,53 @@ describe("WebCrypto Function Service", () => {
const value = "EncryptMe!";
const data = Utils.fromUtf8ToArray(value);
const encValue = new Uint8Array(await cryptoFunctionService.aesEncrypt(data, iv, key));
const decValue = await cryptoFunctionService.aesDecrypt(encValue, iv, key);
const decValue = await cryptoFunctionService.aesDecrypt(encValue, iv, key, "cbc");
expect(Utils.fromBufferToUtf8(decValue)).toBe(value);
});
});
describe("aesDecryptFast", () => {
describe("aesDecryptFast CBC mode", () => {
it("should successfully decrypt data", async () => {
const cryptoFunctionService = getWebCryptoFunctionService();
const iv = Utils.fromBufferToB64(makeStaticByteArray(16));
const symKey = new SymmetricCryptoKey(makeStaticByteArray(32));
const data = "ByUF8vhyX4ddU9gcooznwA==";
const params = cryptoFunctionService.aesDecryptFastParameters(data, iv, null, symKey);
const decValue = await cryptoFunctionService.aesDecryptFast(params);
const decValue = await cryptoFunctionService.aesDecryptFast(params, "cbc");
expect(decValue).toBe("EncryptMe!");
});
});
describe("aesDecrypt", () => {
describe("aesDecryptFast ECB mode", () => {
it("should successfully decrypt data", async () => {
const cryptoFunctionService = getWebCryptoFunctionService();
const key = makeStaticByteArray(32);
const data = Utils.fromB64ToArray("z5q2XSxYCdQFdI+qK2yLlw==");
const params = new DecryptParameters<string>();
params.encKey = Utils.fromBufferToByteString(key);
params.data = Utils.fromBufferToByteString(data);
const decValue = await cryptoFunctionService.aesDecryptFast(params, "ecb");
expect(decValue).toBe("EncryptMe!");
});
});
describe("aesDecrypt CBC mode", () => {
it("should successfully decrypt data", async () => {
const cryptoFunctionService = getWebCryptoFunctionService();
const iv = makeStaticByteArray(16);
const key = makeStaticByteArray(32);
const data = Utils.fromB64ToArray("ByUF8vhyX4ddU9gcooznwA==");
const decValue = await cryptoFunctionService.aesDecrypt(data, iv, key);
const decValue = await cryptoFunctionService.aesDecrypt(data, iv, key, "cbc");
expect(Utils.fromBufferToUtf8(decValue)).toBe("EncryptMe!");
});
});
describe("aesDecrypt ECB mode", () => {
it("should successfully decrypt data", async () => {
const cryptoFunctionService = getWebCryptoFunctionService();
const key = makeStaticByteArray(32);
const data = Utils.fromB64ToArray("z5q2XSxYCdQFdI+qK2yLlw==");
const decValue = await cryptoFunctionService.aesDecrypt(data, null, key, "ecb");
expect(Utils.fromBufferToUtf8(decValue)).toBe("EncryptMe!");
});
});