removed reference to Falcon in npm packages

nodejs/.gitignore

@@ -21,3 +21,5 @@ coverage/
 .vscode/
 *.swp
 *.swo
+
+c_sources

nodejs/README.md

@@ -7,10 +7,9 @@ TypeScript bindings for the [libbitcoinpqc](https://github.com/bitcoin/libbitcoi
 - Full TypeScript support with typings
 - Clean, ergonomic API
 - Compatible with NodeJS 16+
-- Works with all three PQC algorithms:
+- Works with both PQC algorithms:
   - ML-DSA-44 (formerly CRYSTALS-Dilithium)
   - SLH-DSA-Shake-128s (formerly SPHINCS+)
-  - FN-DSA-512 (formerly FALCON)
 
 ## Installation
 
@@ -58,12 +57,10 @@ verify(keypair.publicKey, message, signature.bytes);
 enum Algorithm {
   /** BIP-340 Schnorr + X-Only - Elliptic Curve Digital Signature Algorithm */
   SECP256K1_SCHNORR = 0,
-  /** FN-DSA-512 (FALCON) - Fast Fourier lattice-based signature scheme */
-  FN_DSA_512 = 1,
   /** ML-DSA-44 (CRYSTALS-Dilithium) - Lattice-based signature scheme */
-  ML_DSA_44 = 2,
+  ML_DSA_44 = 1,
   /** SLH-DSA-Shake-128s (SPHINCS+) - Hash-based signature scheme */
-  SLH_DSA_SHAKE_128S = 3
+  SLH_DSA_SHAKE_128S = 2
 }
 ```
 
@@ -150,11 +147,10 @@ Verify a signature using the specified public key. Throws a `PqcError` if verifi
 
 ## Algorithm Characteristics
 
-| Algorithm | Public Key Size | Secret Key Size | Signature Size | Security Level |
-|-----------|----------------|----------------|----------------|----------------|
-| ML-DSA-44 | 1,312 bytes | 2,528 bytes | 2,420 bytes | NIST Level 2 |
-| SLH-DSA-Shake-128s | 32 bytes | 64 bytes | 7,856 bytes | NIST Level 1 |
-| FN-DSA-512 | 897 bytes | 1,281 bytes | ~666 bytes (average) | NIST Level 1 |
+| Algorithm          | Public Key Size | Secret Key Size | Signature Size | Security Level |
+| ------------------ | --------------- | --------------- | -------------- | -------------- |
+| ML-DSA-44          | 1,312 bytes     | 2,528 bytes     | 2,420 bytes    | NIST Level 2   |
+| SLH-DSA-Shake-128s | 32 bytes        | 64 bytes        | 7,856 bytes    | NIST Level 1   |
 
 ## Security Notes
 

nodejs/binding.gyp

@@ -4,57 +4,42 @@
       "target_name": "bitcoinpqc",
       "sources": [
         "src/native/bitcoinpqc_addon.cc",
-        "../src/bitcoinpqc.c",
-        "../src/ml_dsa/keygen.c",
-        "../src/ml_dsa/sign.c",
-        "../src/ml_dsa/verify.c",
-        "../src/ml_dsa/utils.c",
-        "../src/slh_dsa/keygen.c",
-        "../src/slh_dsa/sign.c",
-        "../src/slh_dsa/verify.c",
-        "../src/slh_dsa/utils.c",
-        "../src/fn_dsa/keygen.c",
-        "../src/fn_dsa/sign.c",
-        "../src/fn_dsa/verify.c",
-        "../src/fn_dsa/utils.c",
-        "../dilithium/ref/sign.c",
-        "../dilithium/ref/packing.c",
-        "../dilithium/ref/polyvec.c",
-        "../dilithium/ref/poly.c",
-        "../dilithium/ref/ntt.c",
-        "../dilithium/ref/reduce.c",
-        "../dilithium/ref/rounding.c",
-        "../dilithium/ref/fips202.c",
-        "../dilithium/ref/symmetric-shake.c",
-        "../dilithium/ref/randombytes_custom.c",
-        "../sphincsplus/ref/address.c",
-        "../sphincsplus/ref/fors.c",
-        "../sphincsplus/ref/hash_shake.c",
-        "../sphincsplus/ref/merkle.c",
-        "../sphincsplus/ref/sign.c",
-        "../sphincsplus/ref/thash_shake_simple.c",
-        "../sphincsplus/ref/utils.c",
-        "../sphincsplus/ref/utilsx1.c",
-        "../sphincsplus/ref/wots.c",
-        "../sphincsplus/ref/wotsx1.c",
-        "../sphincsplus/ref/fips202.c",
-        "../falcon/codec.c",
-        "../falcon/common.c",
-        "../falcon/falcon.c",
-        "../falcon/fft.c",
-        "../falcon/fpr.c",
-        "../falcon/keygen.c",
-        "../falcon/shake.c",
-        "../falcon/sign.c",
-        "../falcon/vrfy.c",
-        "../falcon/rng.c"
+        "src/c_sources/bitcoinpqc.c",
+        "src/c_sources/ml_dsa/keygen.c",
+        "src/c_sources/ml_dsa/sign.c",
+        "src/c_sources/ml_dsa/verify.c",
+        "src/c_sources/ml_dsa/utils.c",
+        "src/c_sources/slh_dsa/keygen.c",
+        "src/c_sources/slh_dsa/sign.c",
+        "src/c_sources/slh_dsa/verify.c",
+        "src/c_sources/slh_dsa/utils.c",
+        "src/c_sources/dilithium_ref/sign.c",
+        "src/c_sources/dilithium_ref/packing.c",
+        "src/c_sources/dilithium_ref/polyvec.c",
+        "src/c_sources/dilithium_ref/poly.c",
+        "src/c_sources/dilithium_ref/ntt.c",
+        "src/c_sources/dilithium_ref/reduce.c",
+        "src/c_sources/dilithium_ref/rounding.c",
+        "src/c_sources/dilithium_ref/fips202.c",
+        "src/c_sources/dilithium_ref/symmetric-shake.c",
+        "src/c_sources/dilithium_ref/randombytes_custom.c",
+        "src/c_sources/sphincsplus_ref/address.c",
+        "src/c_sources/sphincsplus_ref/fors.c",
+        "src/c_sources/sphincsplus_ref/hash_shake.c",
+        "src/c_sources/sphincsplus_ref/merkle.c",
+        "src/c_sources/sphincsplus_ref/sign.c",
+        "src/c_sources/sphincsplus_ref/thash_shake_simple.c",
+        "src/c_sources/sphincsplus_ref/utils.c",
+        "src/c_sources/sphincsplus_ref/utilsx1.c",
+        "src/c_sources/sphincsplus_ref/wots.c",
+        "src/c_sources/sphincsplus_ref/wotsx1.c",
+        "src/c_sources/sphincsplus_ref/fips202.c"
       ],
       "include_dirs": [
         "<!@(node -p \"require('node-addon-api').include\")",
-        "../include",
-        "../dilithium/ref",
-        "../sphincsplus/ref",
-        "../falcon"
+        "src/c_sources/include",
+        "src/c_sources/dilithium_ref",
+        "src/c_sources/sphincsplus_ref"
       ],
       "dependencies": [
         "<!(node -p \"require('node-addon-api').gyp\")"
@@ -67,7 +52,6 @@
         "DILITHIUM_MODE=2",
         "CRYPTO_ALGNAME=\"SPHINCS+-shake-128s\"",
         "PARAMS=sphincs-shake-128s",
-        "FALCON_LOGN_512=9",
         "CUSTOM_RANDOMBYTES=1"
       ],
       "conditions": [
@@ -88,9 +72,6 @@
               "-Wno-implicit-function-declaration"
             ]
           },
-          "defines": [
-            "FALCON_FPEMU=1"
-          ]
         }]
       ]
     }

nodejs/examples/basic-usage.ts

@@ -10,48 +10,45 @@ import {
 import crypto from "crypto";
 
 /**
- * This example demonstrates basic usage of the bitcoinpqc TypeScript bindings.
+ * This example demonstrates basic usage of the bitcoinpqc TypeScript bindings
+ * with SLH-DSA-SHAKE-128S (SPHINCS+).
  *
  * It shows:
- * 1. Getting key and signature sizes
+ * 1. Getting key and signature sizes for SLH-DSA
  * 2. Key generation
  * 3. Signing messages
  * 4. Verifying signatures
  * 5. Error handling
  */
 
-// Print key sizes for all algorithms
-console.log("===== Key and Signature Sizes =====");
-for (const algo of [
-  Algorithm.ML_DSA_44,
-  Algorithm.SLH_DSA_SHAKE_128S,
-  Algorithm.FN_DSA_512,
-]) {
-  const algoName = Algorithm[algo];
-  console.log(`${algoName}:`);
-  console.log(`  Public key size: ${publicKeySize(algo)} bytes`);
-  console.log(`  Secret key size: ${secretKeySize(algo)} bytes`);
-  console.log(`  Signature size: ${signatureSize(algo)} bytes`);
-  console.log();
-}
+// Print key sizes for SLH-DSA algorithm
+console.log("===== SLH-DSA Key and Signature Sizes =====");
+const algo = Algorithm.SLH_DSA_SHAKE_128S;
+const algoName = Algorithm[algo];
+console.log(`${algoName}:`);
+console.log(`  Public key size: ${publicKeySize(algo)} bytes`);
+console.log(`  Secret key size: ${secretKeySize(algo)} bytes`);
+console.log(`  Signature size: ${signatureSize(algo)} bytes`);
+console.log();
 
-// Generate a keypair
-function generateKeysAndSign(algorithm: Algorithm, message: string): void {
-  console.log(`===== Working with ${Algorithm[algorithm]} =====`);
+// Generate a keypair and demonstrate SLH-DSA functionality
+function demonstrateSlhDsa(): void {
+  console.log(`===== Working with ${Algorithm[Algorithm.SLH_DSA_SHAKE_128S]} =====`);
 
   // Generate random data for key generation
   console.log("Generating random data...");
   const randomData = crypto.randomBytes(128);
 
   try {
     // Generate a keypair
-    console.log("Generating keypair...");
-    const keypair = generateKeyPair(algorithm, randomData);
+    console.log("Generating SLH-DSA keypair...");
+    const keypair = generateKeyPair(Algorithm.SLH_DSA_SHAKE_128S, randomData);
     console.log(
       `Generated keypair with public key size ${keypair.publicKey.bytes.length} bytes`
     );
 
     // Create a message to sign
+    const message = "Hello from SLH-DSA-SHAKE-128S (SPHINCS+)!";
     const messageBytes = Buffer.from(message, "utf-8");
     console.log(`Message to sign: "${message}"`);
 
@@ -69,7 +66,7 @@ function generateKeysAndSign(algorithm: Algorithm, message: string): void {
       console.error("❌ Signature verification failed:", error);
     }
 
-    // Try verifying with a different message (should fail with real implementation)
+    // Try verifying with a different message (should fail)
     const badMessage = Buffer.from(message + " (modified)", "utf-8");
     console.log(
       `\nAttempting to verify with modified message: "${message} (modified)"`
@@ -83,18 +80,13 @@ function generateKeysAndSign(algorithm: Algorithm, message: string): void {
     }
   } catch (error) {
     console.error(
-      `❌ Error while working with ${Algorithm[algorithm]}:`,
+      `❌ Error while working with ${Algorithm[Algorithm.SLH_DSA_SHAKE_128S]}:`,
       error
     );
   }
 
   console.log("\n");
 }
 
-// Run examples with working algorithms
-generateKeysAndSign(Algorithm.FN_DSA_512, "Hello from FN-DSA-512 (Falcon)!");
-generateKeysAndSign(Algorithm.ML_DSA_44, "Hello from ML-DSA-44 (Dilithium)!");
-generateKeysAndSign(
-  Algorithm.SLH_DSA_SHAKE_128S,
-  "Hello from SLH-DSA-SHAKE-128S (SPHINCS+)!"
-);
+// Run the SLH-DSA demonstration
+demonstrateSlhDsa();

nodejs/package.json

@@ -1,11 +1,12 @@
 {
-  "name": "bitcoinpqc",
-  "version": "0.1.0",
+  "name": "@jbride/bitcoinpqc",
+  "version": "0.2.9",
   "description": "NodeJS TypeScript bindings for Bitcoin PQC library",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "scripts": {
-    "build": "tsc && node-gyp rebuild",
+    "sync-c-sources": "./scripts/sync-c-sources.sh",
+    "build": "npm run sync-c-sources && tsc -p . && node-gyp rebuild",
     "install": "node-gyp rebuild",
     "test": "jest",
     "prepare": "npm run build",
@@ -18,11 +19,19 @@
     "cryptography",
     "signature",
     "dilithium",
-    "falcon",
     "sphincs+"
   ],
-  "author": "",
+  "author": "Hunter Beast <hunter@surmount.systems>",
   "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/bitcoin/libbitcoinpqc.git",
+    "directory": "nodejs"
+  },
+  "bugs": {
+    "url": "https://github.com/bitcoin/libbitcoinpqc/issues"
+  },
+  "homepage": "https://github.com/bitcoin/libbitcoinpqc#readme",
   "type": "commonjs",
   "devDependencies": {
     "@types/jest": "^29.5.12",
@@ -40,7 +49,12 @@
     "dist",
     "README.md",
     "binding.gyp",
-    "src/native"
+    "tsconfig.json",
+    "src/native",
+    "src/c_sources"
   ],
-  "gypfile": true
+  "gypfile": true,
+  "publishConfig": {
+    "access": "public"
+  }
 }

nodejs/scripts/sync-c-sources.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# Script to sync C source files from parent directory to src/c_sources
+# This should be run before building or publishing the package
+
+set -e
+
+echo "Syncing C source files..."
+
+# Remove existing c_sources directory
+rm -rf src/c_sources
+
+# Create new c_sources directory
+mkdir -p src/c_sources
+
+# Copy C source files
+echo "Copying main C source file..."
+cp ../src/bitcoinpqc.c src/c_sources/
+
+echo "Copying ML-DSA source files..."
+cp -r ../src/ml_dsa src/c_sources/
+
+echo "Copying SLH-DSA source files..."
+cp -r ../src/slh_dsa src/c_sources/
+
+echo "Copying Dilithium reference implementation..."
+cp -r ../dilithium/ref src/c_sources/dilithium_ref
+
+echo "Copying SPHINCS+ reference implementation..."
+cp -r ../sphincsplus/ref src/c_sources/sphincsplus_ref
+
+echo "Copying include files..."
+cp -r ../include src/c_sources/
+
+# Update include paths in C source files
+echo "Updating include paths..."
+find src/c_sources -name "*.c" -exec sed -i 's|../../dilithium/ref/|../dilithium_ref/|g' {} \;
+find src/c_sources -name "*.c" -exec sed -i 's|../../sphincsplus/ref/|../sphincsplus_ref/|g' {} \;
+find src/c_sources -name "*.c" -exec sed -i 's|../../include/|../include/|g' {} \;
+
+echo "C source files synced successfully!"