test(crypto): gate scrypt option forwarding

test-files/test_gap_crypto_scrypt_options.ts

@@ -0,0 +1,63 @@
+import { scrypt, scryptSync } from "node:crypto";
+import { promisify } from "node:util";
+
+const password = "correct horse battery staple";
+const salt = Buffer.from("0123456789abcdef0123456789abcdef", "hex");
+const maxmem = 64 * 1024 * 1024;
+
+function expectHex(actual: any, expected: string, label: string): void {
+  const hex = actual.toString("hex");
+  if (hex !== expected) {
+    throw new Error(label + ": expected " + expected + ", got " + hex);
+  }
+}
+
+expectHex(
+  scryptSync(password, salt, 32, { N: 1 << 12, r: 8, p: 1, maxmem }),
+  "05f47c22e65fc21d3e11a92222323c577271be35cea9b34b4a6970e2fa3ebf48",
+  "sync N",
+);
+expectHex(
+  scryptSync(password, salt, 32, { N: 1 << 14, r: 4, p: 1, maxmem }),
+  "cd4b3b2db0af02f65f71c999901e07abba66fd088d65268928a7e971a50651f0",
+  "sync r",
+);
+expectHex(
+  scryptSync(password, salt, 32, { N: 1 << 14, r: 8, p: 2, maxmem }),
+  "77636ab3d38dd67285438f5694c64bfa9fe81144034a49e7599511136bcfb071",
+  "sync p",
+);
+
+const scryptAsync = promisify(scrypt);
+const asyncResult: any = await scryptAsync(password, salt, 32, {
+  N: 1 << 13,
+  r: 8,
+  p: 1,
+  maxmem,
+});
+expectHex(
+  asyncResult,
+  "a2d6acfcc30e33aa067080845b9f4790427da3d8f992e651765c095abb7cd276",
+  "async N",
+);
+
+let memoryError = "no error";
+try {
+  scryptSync(password, salt, 32, {
+    N: 1 << 17,
+    r: 8,
+    p: 1,
+    maxmem: 1024,
+  });
+} catch (error: any) {
+  memoryError = [
+    error?.name,
+    error?.code,
+    String(error?.message).includes("memory limit exceeded"),
+  ].join(":");
+}
+if (memoryError !== "RangeError:ERR_CRYPTO_INVALID_SCRYPT_PARAMS:true") {
+  throw new Error("unexpected maxmem result: " + memoryError);
+}
+
+console.log("scrypt options: ok");