1 files changed, 91 insertions, 0 deletions
diff --git a/ext/node/polyfills/_crypto/crypto_browserify/parse_asn1/certificate.js b/ext/node/polyfills/_crypto/crypto_browserify/parse_asn1/certificate.js
new file mode 100644
index 000000000..484aa41c4
--- /dev/null
+++ b/ext/node/polyfills/_crypto/crypto_browserify/parse_asn1/certificate.js
@@ -0,0 +1,91 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+// Copyright 2017 crypto-browserify. All rights reserved. MIT license.
+// from https://github.com/crypto-browserify/parse-asn1/blob/fbd70dca8670d17955893e083ca69118908570be/certificate.js
+
+import * as asn from "internal:deno_node/polyfills/_crypto/crypto_browserify/asn1.js/mod.js";
+
+const Time = asn.define("Time", function () {
+  this.choice({
+    utcTime: this.utctime(),
+    generalTime: this.gentime(),
+  });
+});
+
+const AttributeTypeValue = asn.define("AttributeTypeValue", function () {
+  this.seq().obj(
+    this.key("type").objid(),
+    this.key("value").any(),
+  );
+});
+
+const AlgorithmIdentifier = asn.define("AlgorithmIdentifier", function () {
+  this.seq().obj(
+    this.key("algorithm").objid(),
+    this.key("parameters").optional(),
+    this.key("curve").objid().optional(),
+  );
+});
+
+const SubjectPublicKeyInfo = asn.define("SubjectPublicKeyInfo", function () {
+  this.seq().obj(
+    this.key("algorithm").use(AlgorithmIdentifier),
+    this.key("subjectPublicKey").bitstr(),
+  );
+});
+
+const RelativeDistinguishedName = asn.define(
+  "RelativeDistinguishedName",
+  function () {
+    this.setof(AttributeTypeValue);
+  },
+);
+
+const RDNSequence = asn.define("RDNSequence", function () {
+  this.seqof(RelativeDistinguishedName);
+});
+
+const Name = asn.define("Name", function () {
+  this.choice({
+    rdnSequence: this.use(RDNSequence),
+  });
+});
+
+const Validity = asn.define("Validity", function () {
+  this.seq().obj(
+    this.key("notBefore").use(Time),
+    this.key("notAfter").use(Time),
+  );
+});
+
+const Extension = asn.define("Extension", function () {
+  this.seq().obj(
+    this.key("extnID").objid(),
+    this.key("critical").bool().def(false),
+    this.key("extnValue").octstr(),
+  );
+});
+
+const TBSCertificate = asn.define("TBSCertificate", function () {
+  this.seq().obj(
+    this.key("version").explicit(0).int().optional(),
+    this.key("serialNumber").int(),
+    this.key("signature").use(AlgorithmIdentifier),
+    this.key("issuer").use(Name),
+    this.key("validity").use(Validity),
+    this.key("subject").use(Name),
+    this.key("subjectPublicKeyInfo").use(SubjectPublicKeyInfo),
+    this.key("issuerUniqueID").implicit(1).bitstr().optional(),
+    this.key("subjectUniqueID").implicit(2).bitstr().optional(),
+    this.key("extensions").explicit(3).seqof(Extension).optional(),
+  );
+});
+
+export const X509Certificate = asn.define("X509Certificate", function () {
+  this.seq().obj(
+    this.key("tbsCertificate").use(TBSCertificate),
+    this.key("signatureAlgorithm").use(AlgorithmIdentifier),
+    this.key("signatureValue").bitstr(),
+  );
+});
+
+export default X509Certificate;