Initial Commit

packages/security-stack/security/x509/src/extensions/subject-key-id.test.ts

@@ -0,0 +1,22 @@
+import { describe, expect, it } from "@suaveplan/testing/runner";
+import { UNIVERSAL_TAGS } from "../asn1/asn1.types.js";
+import { encodeAsn1, makePrimitive } from "../asn1/encoder.js";
+import { X509Error } from "../errors/error-codes.js";
+import { decodeSubjectKeyIdentifier } from "./subject-key-id.js";
+
+describe("decodeSubjectKeyIdentifier", () => {
+    it("decodes SKI keyIdentifier byte-identically", { timeout: 5000 }, () => {
+        const ki = new Uint8Array(20).fill(0x5a);
+        const der = encodeAsn1(
+            makePrimitive("universal", UNIVERSAL_TAGS.OCTET_STRING, ki)
+        );
+        const ski = decodeSubjectKeyIdentifier(der);
+        expect(Array.from(ski.keyIdentifier)).toEqual(Array.from(ki));
+    });
+
+    it("rejects non-OCTET-STRING input", { timeout: 5000 }, () => {
+        expect(() =>
+            decodeSubjectKeyIdentifier(new Uint8Array([0x02, 0x01, 0x00]))
+        ).toThrowError(X509Error);
+    });
+});