1 files changed, 30 insertions, 0 deletions
diff --git a/ext/node/polyfills/_crypto/crypto_browserify/asn1.js/encoders/pem.js b/ext/node/polyfills/_crypto/crypto_browserify/asn1.js/encoders/pem.js
new file mode 100644
index 000000000..d2487e1ce
--- /dev/null
+++ b/ext/node/polyfills/_crypto/crypto_browserify/asn1.js/encoders/pem.js
@@ -0,0 +1,30 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+// Copyright 2017 Fedor Indutny. All rights reserved. MIT license.
+
+import { DEREncoder } from "internal:deno_node/polyfills/_crypto/crypto_browserify/asn1.js/encoders/der.js";
+
+export function PEMEncoder(entity) {
+  DEREncoder.call(this, entity);
+  this.enc = "pem";
+}
+// inherits(PEMEncoder, DEREncoder);
+PEMEncoder.prototype = Object.create(DEREncoder.prototype, {
+  constructor: {
+    value: PEMEncoder,
+    enumerable: false,
+    writable: true,
+    configurable: true,
+  },
+});
+
+PEMEncoder.prototype.encode = function encode(data, options) {
+  const buf = DEREncoder.prototype.encode.call(this, data);
+
+  const p = buf.toString("base64");
+  const out = ["-----BEGIN " + options.label + "-----"];
+  for (let i = 0; i < p.length; i += 64) {
+    out.push(p.slice(i, i + 64));
+  }
+  out.push("-----END " + options.label + "-----");
+  return out.join("\n");
+};