perf: use ops for node:crypto ciphers (#17819)

Towards #17809

1 files changed, 50 insertions, 0 deletions

diff --git a/cli/tests/unit_node/crypto_cipher_test.ts b/cli/tests/unit_node/crypto_cipher_test.ts
new file mode 100644
index 000000000..e3bd7ca26
--- /dev/null
+++ b/cli/tests/unit_node/crypto_cipher_test.ts
@@ -0,0 +1,50 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+import crypto from "node:crypto";
+import { Buffer } from "node:buffer";
+import {
+  assertEquals,
+  assertThrows,
+} from "../../../test_util/std/testing/asserts.ts";
+
+const rsaPrivateKey = Deno.readTextFileSync(
+  new URL("./testdata/rsa_private.pem", import.meta.url),
+);
+const rsaPublicKey = Deno.readTextFileSync(
+  new URL("./testdata/rsa_public.pem", import.meta.url),
+);
+
+const input = new TextEncoder().encode("hello world");
+
+Deno.test({
+  name: "rsa public encrypt and private decrypt",
+  fn() {
+    const encrypted = crypto.publicEncrypt(Buffer.from(rsaPublicKey), input);
+    const decrypted = crypto.privateDecrypt(
+      Buffer.from(rsaPrivateKey),
+      Buffer.from(encrypted),
+    );
+    assertEquals(decrypted, input);
+  },
+});
+
+Deno.test({
+  name: "rsa private encrypt and private decrypt",
+  fn() {
+    const encrypted = crypto.privateEncrypt(rsaPrivateKey, input);
+    const decrypted = crypto.privateDecrypt(
+      rsaPrivateKey,
+      Buffer.from(encrypted),
+    );
+    assertEquals(decrypted, input);
+  },
+});
+
+Deno.test({
+  name: "rsa public decrypt fail",
+  fn() {
+    const encrypted = crypto.publicEncrypt(rsaPublicKey, input);
+    assertThrows(() =>
+      crypto.publicDecrypt(rsaPublicKey, Buffer.from(encrypted))
+    );
+  },
+});