add tlsInnerPlaintext() to Handshake class

Author: Srabutdotcom

deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@tls/enum",
-  "version": "0.4.7",
+  "version": "0.4.8",
   "exports": "./src/mod.ts",
   "publish": {
     "exclude": ["dist/"]
@@ -17,6 +17,6 @@
     "@noble/hashes": "npm:@noble/hashes@^1.6.1",
     "@peculiar/x509": "npm:@peculiar/x509@^1.12.3",
     "@std/assert": "jsr:@std/assert@^1.0.2",
-    "@tls/struct": "jsr:@tls/struct@^0.3.2"
+    "@tls/struct": "jsr:@tls/struct@^0.3.6"
   }
 }

src/handshaketype.js

@@ -2,6 +2,7 @@
 // @ts-self-types="../type/handshaketype.d.ts"
 import { Enum } from "./enum.js";
 import { Struct, Uint24, Uint8 } from "./dep.ts";
+import { ContentType } from "./contentype.js"
 
 /**
  * Represents TLS 1.3 Handshake message types as defined in RFC 8446 Section 4
@@ -128,6 +129,9 @@ export class Handshake extends Uint8Array {
       this.items = struct.items
    }
    get byte(){ return Uint8Array.from(this)}
+   tlsInnerPlaintext(numZeros){
+      return ContentType.APPLICATION_DATA.tlsInnerPlaintext(this, numZeros)
+   }
 }
 
 // npx -p typescript tsc ./src/handshaketype.js --declaration --allowJs --emitDeclarationOnly --lib ESNext --outDir ./dist

type/handshaketype.d.ts

@@ -128,4 +128,12 @@ export declare class Handshake extends Uint8Array {
   constructor(msg_type: HandshakeType, message: Uint8Array);
   /** return Uint8Array */
   get byte(): Uint8Array
+
+  /**
+   * Generates TLS inner plaintext by processing the current context with specified padding.
+   * 
+   * @param {number} numZeros - The number of zero bytes to use as padding in the TLS inner plaintext.
+   * @returns {Uint8Array} The formatted TLS inner plaintext data.
+   */
+  tlsInnerPlaintext(numZeros: number): Uint8Array;
 }