20210721A

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -22,6 +22,7 @@ body:
       description: "What version(s) is affected? Must be a supported version(s) listed in the \"Security Policy\" (/.github/SECURITY.md)."
       multiple: true
       options:
+        - "v1.2.1"
         - "v1.2.0"
         - "v1.1.2"
         - "v1.1.1"

lib/decrypt-multiple-line.js

@@ -11,15 +11,16 @@ const check = require("./internal/check.js"),
  */
 function decryptMultipleLine(data, passphrase) {
 	check(data, passphrase);
-	let resultObjectRN = {};
+	let hash = internalCrypto.hash(passphrase),
+		resultObjectRN = {};
 	Promise.allSettled(
 		data.split("\r\n").map((itemRN, indexRN) => {
 			new Promise(() => {
 				let resultObjectN = {};
 				Promise.allSettled(
 					itemRN.split("\n").map((itemN, indexN) => {
 						new Promise(() => {
-							resultObjectN[indexN] = (itemN.length === 0) ? "" : internalCrypto.decrypt(itemN, passphrase);
+							resultObjectN[indexN] = (itemN.length === 0) ? "" : internalCrypto.decrypt(itemN, hash);
 						}).catch();
 					})
 				);

lib/decrypt.js

@@ -9,6 +9,6 @@ const check = require("./internal/check.js"),
  */
 function decrypt(data, passphrase) {
 	check(data, passphrase);
-	return internalCrypto.decrypt(data, passphrase);
+	return internalCrypto.decrypt(data, internalCrypto.hash(passphrase));
 };
 module.exports = decrypt;

lib/encrypt-multiple-line.js

@@ -11,15 +11,16 @@ const check = require("./internal/check.js"),
  */
 function encryptMultipleLine(data, passphrase) {
 	check(data, passphrase);
-	let resultObjectRN = {};
+	let hash = internalCrypto.hash(passphrase),
+		resultObjectRN = {};
 	Promise.allSettled(
 		data.split("\r\n").map((itemRN, indexRN) => {
 			new Promise(() => {
 				let resultObjectN = {};
 				Promise.allSettled(
 					itemRN.split("\n").map((itemN, indexN) => {
 						new Promise(() => {
-							resultObjectN[indexN] = (itemN.length === 0) ? "" : internalCrypto.encrypt(itemN, passphrase);
+							resultObjectN[indexN] = (itemN.length === 0) ? "" : internalCrypto.encrypt(itemN, hash);
 						}).catch();
 					})
 				);

lib/encrypt.js

@@ -9,6 +9,6 @@ const check = require("./internal/check.js"),
  */
 function encrypt(data, passphrase) {
 	check(data, passphrase);
-	return internalCrypto.encrypt(data, passphrase);
+	return internalCrypto.encrypt(data, internalCrypto.hash(passphrase));
 };
 module.exports = encrypt;

lib/internal/crypto.js

@@ -1,40 +1,41 @@
 const crypto = require("crypto");
 /**
  * @private
- * @function hash
+ * @function hashDigest
  * @param {string} passphrase
  * @returns {Buffer}
  */
-function hash(passphrase) {
-	return crypto.createHash("sha256").update(passphrase).digest();
+function hashDigest(passphrase) {
+	return crypto.createHash("sha256").update(passphrase).digest().slice(0, 32);
 };
 /**
  * @private
  * @function decrypt
  * @param {string} data
- * @param {string} passphrase
+ * @param {Buffer} hash
  * @returns {string}
  */
-function decrypt(data, passphrase) {
+function decrypt(data, hash) {
 	let encrypted = Buffer.from(data, "base64");
-	let decipher = crypto.createDecipheriv("AES-256-CBC", hash(passphrase).slice(0, 32), encrypted.slice(0, 16));
+	let decipher = crypto.createDecipheriv("AES-256-CBC", hash, encrypted.slice(0, 16));
 	let decrypted = Buffer.concat([decipher.update(encrypted.slice(16)), decipher.final()]).toString();
 	return decrypted.substr(0, decrypted.length - decrypted.charCodeAt(decrypted.length - 1));
 };
 /**
  * @private
  * @function encrypt
  * @param {string} data
- * @param {string} passphrase
+ * @param {Buffer} hash
  * @returns {string}
  */
-function encrypt(data, passphrase) {
+function encrypt(data, hash) {
 	let iv = crypto.randomBytes(16),
 		tone = 16 - (data.length % 16);
-	let cipher = crypto.createCipheriv("AES-256-CBC", hash(passphrase).slice(0, 32), iv);
+	let cipher = crypto.createCipheriv("AES-256-CBC", hash, iv);
 	return Buffer.concat([iv, Buffer.concat([cipher.update(data.padEnd(data.length + tone, String.fromCharCode(tone))), cipher.final()])]).toString("base64");
 };
 module.exports = {
-	decrypt,
-	encrypt
+	decrypt: decrypt,
+	encrypt: encrypt,
+	hash: hashDigest
 };

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@hugoalh/symmetric-crypto",
-	"version": "1.2.0",
+	"version": "1.2.1",
 	"description": "A module to provide an easier symmetric crypto.",
 	"keywords": [
 		"crypto",