From eb6357f6bb0dd26024d2afe1dbb401ff4a2ee057 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Sun, 19 Jan 2025 15:10:32 +0800
Subject: [PATCH] feat: update deno-sshsig-mod.ts

---
 .gitignore                   |  1 +
 libraries/deno-sshsig-mod.ts | 18 ++++++++++++------
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/.gitignore b/.gitignore
index cffe83e..9971fa5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+*.sshsig
 .idea/
 # ---> macOS
 # General
diff --git a/libraries/deno-sshsig-mod.ts b/libraries/deno-sshsig-mod.ts
index c14c346..8c4b9e3 100644
--- a/libraries/deno-sshsig-mod.ts
+++ b/libraries/deno-sshsig-mod.ts
@@ -1,7 +1,7 @@
-import { crypto } from "jsr:@std/crypto";
-import { decodeBase64, encodeBase64 } from "jsr:@std/encoding/base64";
-import { encodeBase64Url } from "jsr:@std/encoding/base64url";
-import { decodeHex, encodeHex } from "jsr:@std/encoding/hex";
+import {crypto} from "jsr:@std/crypto";
+import {decodeBase64, encodeBase64} from "jsr:@std/encoding/base64";
+import {encodeBase64Url} from "jsr:@std/encoding/base64url";
+import {decodeHex, encodeHex} from "jsr:@std/encoding/hex";
 
 // IMPORTANT: ONLY supports ECDSA P256 and P384
 
@@ -285,12 +285,18 @@ export class SshSignatureValue {
     // crypto.subtle.sign's signature is R and S
     toRs(): Uint8Array {
         const writer = new BinaryWriter();
-        if (this.ecSignatureR.byteLength === 0x21) {
+        if (
+            this.ecSignatureR.byteLength === 0x21 ||
+            this.ecSignatureR.byteLength === 0x31
+        ) {
             writer.writeBytes(this.ecSignatureR.slice(1));
         } else {
             writer.writeBytes(this.ecSignatureR);
         }
-        if (this.ecSignatureS.byteLength === 0x21) {
+        if (
+            this.ecSignatureS.byteLength === 0x21 ||
+            this.ecSignatureS.byteLength === 0x31
+        ) {
             writer.writeBytes(this.ecSignatureS.slice(1));
         } else {
             writer.writeBytes(this.ecSignatureS);