terminal program created

package.json

@@ -8,11 +8,11 @@
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^14.4.3",
     "@types/jest": "^29.2.0",
-    "@types/node": "^18.11.0",
     "@types/react": "^18.0.21",
     "@types/react-dom": "^18.0.6",
     "bn.js": "^5.2.1",
     "buffer": "^6.0.3",
+    "chalk": "^4.1.2",
     "crypto-browserify": "^3.12.0",
     "process": "^0.11.10",
     "react": "^18.2.0",
@@ -24,6 +24,7 @@
   },
   "scripts": {
     "start": "react-app-rewired start",
+    "cdm": "ts-node ./src/cdm.ts",
     "build": "webpack --mode=production --node-env=production",
     "test": "jest",
     "eject": "react-scripts eject",
@@ -51,12 +52,14 @@
   },
   "devDependencies": {
     "@types/bn.js": "^5.1.1",
+    "@types/node": "^18.11.11",
     "@webpack-cli/generators": "^2.5.0",
     "hash.js": "^1.1.7",
     "react-app-rewired": "^2.2.1",
     "tailwindcss": "^3.1.8",
     "ts-jest": "^29.0.3",
     "ts-loader": "^9.2.5",
+    "tslib": "^2.4.1",
     "typescript": "^4.9.3",
     "webpack": "^5.74.0",
     "webpack-cli": "^4.10.0"

src/cdm.ts

@@ -0,0 +1,51 @@
+import { EC } from './curve/EDDSA/EC';
+import KeySet from "./curve/EDDSA/keyGeneration";
+import Signature from "./curve/EDDSA/signature";
+import { secp256k1 } from './curve/curvesDefined';
+import { hashMsgSHA256 } from './util';
+import chalk from 'chalk';
+
+/**
+ * Run the CDM
+ * To run this script: `npm run cdm`
+ */
+
+function CDMrunECDSA() {
+    console.log(chalk.green("Elliptic Curve Digital Signature Algorithm"));
+    console.log(chalk.gray("Curve: ", secp256k1.name, "\n"));
+
+    // Create and initialize EC context & signature
+    const ec = new EC(secp256k1); 
+    const signature = new Signature(secp256k1);
+
+    // Generate key pair
+    const keySet = new KeySet(secp256k1);
+    const {privateKey, publicKey } = keySet;
+
+    console.log("Private key: ", `(${privateKey.byteLength()} bytes)`, "\n", chalk.redBright(privateKey.toString("hex"),"\n"));
+    console.log("Public key: ", `(${publicKey.byteLength()} bytes)`, "\n",
+    chalk.blueBright( "X: ", ec.decompressPoint(publicKey).x.toString("hex"), "\n"),
+    chalk.redBright("Y: ", ec.decompressPoint(publicKey).y.toString("hex"), "\n"));
+
+    // Sign message
+    const message = "Hello World!";
+    console.log("Message: ",chalk.cyan(message), "\n");
+    // Hashed message with SHA256.
+    console.log("Message hash (SHA256):", `(${hashMsgSHA256(message).byteLength()} bytes)`, "\n", `${hashMsgSHA256(message).toString('hex')}`, "\n");
+
+
+    const signatureValue = signature.signMsg(message, ec.decompressPoint(privateKey)); // Decopmress private key to match signature function.
+    console.log(`Signature:`, signatureValue, "\n"); // Return signature {r,s} as hex string
+
+    // Verify signature
+    const verify = signature.verifyMsg(message, signatureValue, ec.decompressPoint(publicKey)); // Decopmress public key to match signature function.
+    console.log("Verify: ", verify, "\n"); // Return true or false
+}
+
+
+
+
+CDMrunECDSA();
+
+
+

tsconfig.json

@@ -1,4 +1,10 @@
 {
+  "ts-node": {
+    // these options are overrides used only by ts-node
+    "compilerOptions": {
+      "module": "commonjs"
+    }
+  },
   "compilerOptions": {
     "allowSyntheticDefaultImports": true,
     "moduleResolution": "node",
@@ -9,5 +15,6 @@
     "allowJs": true,
     "jsx": "react"
   },
+  "include": ["src/**/*"],
   "files": ["src/index.tsx"]
 }