bip32 - npm Package Compare versions

Comparing version 2.0.2 to 2.0.3

package.json

 {
   "name": "bip32",
-  "version": "2.0.2",
+  "version": "2.0.3",
   "description": "A BIP32 compatible library",
@@ -44,3 +44,3 @@ "keywords": [
     "create-hmac": "^1.1.7",
-    "tiny-secp256k1": "^1.0.0",
+    "tiny-secp256k1": "^1.1.0",
     "typeforce": "^1.11.5",
@@ -50,6 +50,6 @@ "wif": "^2.0.6"
   "devDependencies": {
-    "nyc": "^13.3.0",
+    "nyc": "^14.1.1",
     "prettier": "1.16.4",
     "tape": "^4.9.0",
-    "tslint": "5.13.1",
+    "tslint": "^5.16.0",
     "typescript": "3.3.3333"
@@ -56,0 +56,0 @@ },

src/bip32.js

@@ -182,4 +182,21 @@ "use strict";
     }
-    sign(hash) {
-        return ecc.sign(hash, this.privateKey);
+    sign(hash, lowR = false) {
+        if (!this.privateKey)
+            throw new Error('Missing private key');
+        if (lowR === false) {
+            return ecc.sign(hash, this.privateKey);
+        }
+        else {
+            let sig = ecc.sign(hash, this.privateKey);
+            const extraData = Buffer.alloc(32, 0);
+            let counter = 0;
+            // if first try is lowR, skip the loop
+            // for second try and on, add extra entropy counting up
+            while (sig[0] > 0x7f) {
+                counter++;
+                extraData.writeUIntLE(counter, 0, 6);
+                sig = ecc.signWithEntropy(hash, this.privateKey, extraData);
+            }
+            return sig;
+        }
     }
@@ -186,0 +203,0 @@ verify(hash, signature) {

types/bip32.d.ts

@@ -30,3 +30,3 @@ /// <reference types="node" />
     derivePath(path: string): BIP32Interface;
-    sign(hash: Buffer): Buffer;
+    sign(hash: Buffer, lowR?: boolean): Buffer;
     verify(hash: Buffer, signature: Buffer): boolean;
@@ -33,0 +33,0 @@ }

No alert changes

Improved metrics

Total package byte prevSize

17470

increased by3.98%

Lines of code

361

increased by4.94%

Dependency changes

• Updatedtiny-secp256k1@^1.1.0