From 10264b0b1812d02c1c4f8398ccb9393e797efe03 Mon Sep 17 00:00:00 2001
From: Danil Ovchinnikov <danil42worker@gmail.com>
Date: Tue, 16 Sep 2025 23:48:04 +0300
Subject: [PATCH 1/3] added test

---
 server/src/utils/sha256.test.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 server/src/utils/sha256.test.ts

diff --git a/server/src/utils/sha256.test.ts b/server/src/utils/sha256.test.ts
new file mode 100644
index 00000000..54fc9d08
--- /dev/null
+++ b/server/src/utils/sha256.test.ts
@@ -0,0 +1,23 @@
+import {sha256} from "./sha256"
+
+describe("sha256", () => {
+    it("should the hash match", () => {
+        expect(sha256("")).toBe(
+            BigInt(
+                "102987336249554097029535212322581322789799900648198034993379397001115665086549",
+            ),
+        )
+
+        expect(sha256("Hello TON!")).toBe(
+            BigInt("94195310981932109156034286767119480062048721952250870139857035430904055776623"),
+        )
+
+        expect(sha256("Привет Tolk :)")).toBe(
+            BigInt("26146202394857327563828036519278299397380780259413242791903448589012707656815"),
+        )
+
+        expect(sha256("Ton 💎")).toBe(
+            BigInt("15570930988744595092815823450503557295795266945250239353278140775822768066017"),
+        )
+    })
+})

From 79cb0a5a12d8fe1f7f41afca25eae2742fd3cc9d Mon Sep 17 00:00:00 2001
From: Danil Ovchinnikov <danil42worker@gmail.com>
Date: Tue, 16 Sep 2025 23:48:17 +0300
Subject: [PATCH 2/3] move to `crypto`

---
 server/src/utils/sha256.ts | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/server/src/utils/sha256.ts b/server/src/utils/sha256.ts
index 75944b6e..921feb2f 100644
--- a/server/src/utils/sha256.ts
+++ b/server/src/utils/sha256.ts
@@ -1,7 +1,7 @@
 //  SPDX-License-Identifier: MIT
 //  Copyright © 2025 TON Core
 
-import * as jsSHA from "jssha"
+import * as crypto from "node:crypto"
 
 const bufferToBigInt = (buffer: Buffer): bigint =>
     buffer.reduce((acc, byte) => (acc << 8n) | BigInt(byte), 0n)
@@ -12,11 +12,7 @@ const bufferToBigInt = (buffer: Buffer): bigint =>
  * @returns 256-bit hash as bigint
  */
 export function sha256(str: string): bigint {
-    // @ts-expect-error strange bug
-    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
-    const hasher: jsSHA.default = new jsSHA("SHA-256", "HEX")
-    hasher.update(Buffer.from(str, "utf8").toString("hex"))
-    const res = hasher.getHash("HEX")
+    const res = crypto.createHash("sha256").update(str).digest("hex")
     return bufferToBigInt(Buffer.from(res, "hex"))
 }
 

From 4f85e2a2a9029d8758c62c2d2364e322ffaead16 Mon Sep 17 00:00:00 2001
From: Danil Ovchinnikov <danil42worker@gmail.com>
Date: Tue, 16 Sep 2025 23:48:57 +0300
Subject: [PATCH 3/3] remove `jssha` library

---
 package.json | 1 -
 yarn.lock    | 8 --------
 2 files changed, 9 deletions(-)

diff --git a/package.json b/package.json
index c6f0dc08..db7c2263 100644
--- a/package.json
+++ b/package.json
@@ -561,7 +561,6 @@
         "@ton/core": "0.60.1",
         "@ton/crypto": "^3.3.0",
         "glob": "^11.0.1",
-        "jssha": "^3.3.1",
         "tolkfmt-test-dev": "0.0.21",
         "ton-assembly": "0.2.0",
         "vscode-languageclient": "^8.0.2",
diff --git a/yarn.lock b/yarn.lock
index b1cc069e..1775708c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5290,13 +5290,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"jssha@npm:^3.3.1":
-  version: 3.3.1
-  resolution: "jssha@npm:3.3.1"
-  checksum: 10c0/dccd89d1cb9ffdf27e34edfff6ca261a0b130554839ae1a9601e6c959d050daaac8095f02971ee0e13c624c886cad3e0e4fc52b056f53251a99094fde2a41188
-  languageName: node
-  linkType: hard
-
 "jszip@npm:^3.10.1":
   version: 3.10.1
   resolution: "jszip@npm:3.10.1"
@@ -8026,7 +8019,6 @@ __metadata:
     glob: "npm:^11.0.1"
     husky: "npm:^9.1.7"
     jest: "npm:^29.7.0"
-    jssha: "npm:^3.3.1"
     mocha: "npm:^10.3.0"
     prettier: "npm:3.4.2"
     tolkfmt-test-dev: "npm:0.0.21"