0.0.3 add NamedGroup

Author: Srabutdotcom

deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@tls/enum",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "exports": "./src/mod.ts",
   "publish": {
     "exclude": ["dist/"]

src/namedgroup.js

@@ -0,0 +1,40 @@
+// deno-lint-ignore-file no-slow-types
+// @ts-self-types="../type/namedgroup.d.ts"
+
+import { Enum } from "./enum.js";
+
+/**
+ * Supported groups - @see https://datatracker.ietf.org/doc/html/rfc8446#section-4.2.7.
+ */
+export class NamedGroup extends Enum {
+   /* Elliptic Curve Groups (ECDHE) */
+   static SECP256R1 = new NamedGroup('SECP256R1', 0x0017);
+   static SECP384R1 = new NamedGroup('SECP384R1', 0x0018);
+   static SECP521R1 = new NamedGroup('SECP521R1', 0x0019);
+   static X25519 = new NamedGroup('X25519', 0x001D);
+   static X448 = new NamedGroup('X448', 0x001E);
+
+   /* Finite Field Groups (DHE) */
+   static FFDHE2048 = new NamedGroup('FFDHE2048', 0x0100);
+   static FFDHE3072 = new NamedGroup('FFDHE3072', 0x0101);
+   static FFDHE4096 = new NamedGroup('FFDHE4096', 0x0102);
+   static FFDHE6144 = new NamedGroup('FFDHE6144', 0x0103);
+   static FFDHE8192 = new NamedGroup('FFDHE8192', 0x0104);
+   /**
+       * check octet and return valid SignatureScheme 
+       *
+       * @static
+       * @param {Uint8Array} octet
+       * @returns {NamedGroup}
+       */
+   static parse(octet) {
+      const value = octet[0] * 256 + octet[1]
+      return NamedGroup.fromValue(value) ?? Error(`Unknown ${value} NamedGroup type`);
+   }
+
+   /**return 16 */
+   get bit() { return 16 }
+
+}
+
+// npx -p typescript tsc ./src/namedgroup.js --declaration --allowJs --emitDeclarationOnly --lib ESNext --outDir ./dist

type/namedgroup.d.ts

@@ -0,0 +1,26 @@
+/**
+ * Supported groups - @see https://datatracker.ietf.org/doc/html/rfc8446#section-4.2.7.
+ */
+export class NamedGroup extends Enum {
+    static SECP256R1: NamedGroup;
+    static SECP384R1: NamedGroup;
+    static SECP521R1: NamedGroup;
+    static X25519: NamedGroup;
+    static X448: NamedGroup;
+    static FFDHE2048: NamedGroup;
+    static FFDHE3072: NamedGroup;
+    static FFDHE4096: NamedGroup;
+    static FFDHE6144: NamedGroup;
+    static FFDHE8192: NamedGroup;
+    /**
+        * check octet and return valid SignatureScheme
+        *
+        * @static
+        * @param {Uint8Array} octet
+        * @returns {NamedGroup}
+        */
+    static parse(octet: Uint8Array): NamedGroup;
+    /**return 16 */
+    get bit(): number;
+}
+import { Enum } from "../src/enum.js";