eciesjs - npm Package Compare versions

Comparing version 0.4.2 to 0.4.3

dist/utils/symmetric.d.ts

 /// <reference types="node" />
-export declare function aesEncrypt(key: Buffer, plainText: Buffer): Buffer;
-export declare function aesDecrypt(key: Buffer, cipherText: Buffer): Buffer;
-export declare function deriveKey(master: Buffer): Buffer;
+export declare function aesEncrypt(key: Uint8Array, plainText: Uint8Array): Buffer;
+export declare function aesDecrypt(key: Uint8Array, cipherText: Uint8Array): Buffer;
+export declare function deriveKey(master: Uint8Array): Buffer;

dist/utils/symmetric.js

@@ -14,5 +14,11 @@ "use strict";
     var cipher = (0, crypto_1.createCipheriv)("aes-256-gcm", key, nonce);
-    var encrypted = Buffer.concat([cipher.update(plainText), cipher.final()]);
+    var updated = cipher.update(plainText);
+    var finalized = cipher.final();
     var tag = cipher.getAuthTag();
-    return Buffer.concat([nonce, tag, encrypted]);
+    var payload = new Uint8Array(nonce.length + tag.length + updated.length + finalized.length);
+    payload.set(nonce);
+    payload.set(tag, nonce.length);
+    payload.set(updated, nonce.length + tag.length);
+    payload.set(finalized, nonce.length + tag.length + updated.length);
+    return payload;
 }
@@ -26,3 +32,8 @@ function _aesDecrypt(key, cipherText, nonceLength) {
     decipher.setAuthTag(tag);
-    return Buffer.concat([decipher.update(ciphered), decipher.final()]);
+    var updated = decipher.update(ciphered);
+    var finalized = decipher.final();
+    var payload = new Uint8Array(updated.length + finalized.length);
+    payload.set(updated);
+    payload.set(finalized, updated.length);
+    return payload;
 }
@@ -32,6 +43,10 @@ function _encrypt(func, key, plainText, nonceLength) {
     var cipher = func(key, nonce);
-    var ciphered = cipher.encrypt(plainText);
+    var ciphered = cipher.encrypt(plainText); // TAG + encrypted
     var encrypted = ciphered.subarray(0, ciphered.length - consts_1.AEAD_TAG_LENGTH);
     var tag = ciphered.subarray(-consts_1.AEAD_TAG_LENGTH);
-    return Buffer.concat([nonce, tag, encrypted]);
+    var payload = new Uint8Array(nonce.length + tag.length + encrypted.length);
+    payload.set(nonce);
+    payload.set(tag, nonce.length);
+    payload.set(encrypted, nonce.length + tag.length);
+    return payload;
 }
@@ -42,8 +57,8 @@ function _decrypt(func, key, cipherText, nonceLength) {
     var tag = cipherText.subarray(nonceLength, nonceTagLength);
-    var ciphered = cipherText.subarray(nonceTagLength);
-    var decipher = func(key, nonce);
-    var res = new Uint8Array(consts_1.AEAD_TAG_LENGTH + ciphered.length);
-    res.set(ciphered);
-    res.set(tag, ciphered.length);
-    return Buffer.from(decipher.decrypt(res));
+    var encrypted = cipherText.subarray(nonceTagLength);
+    var decipher = func(key, Uint8Array.from(nonce)); // to reset byteOffset
+    var ciphered = new Uint8Array(encrypted.length + consts_1.AEAD_TAG_LENGTH);
+    ciphered.set(encrypted);
+    ciphered.set(tag, encrypted.length);
+    return decipher.decrypt(ciphered);
 }
@@ -54,6 +69,6 @@ function aesEncrypt(key, plainText) {
     if (algorithm === "aes-256-gcm") {
-        return _aesEncrypt(key, plainText, (0, config_1.symmetricNonceLength)());
+        return Buffer.from(_aesEncrypt(key, plainText, (0, config_1.symmetricNonceLength)()));
     }
     else if (algorithm === "xchacha20") {
-        return _encrypt(chacha_1.xchacha20_poly1305, key, plainText, consts_1.XCHACHA20_NONCE_LENGTH);
+        return Buffer.from(_encrypt(chacha_1.xchacha20_poly1305, key, plainText, consts_1.XCHACHA20_NONCE_LENGTH));
     }
@@ -69,6 +84,6 @@ else {
     if (algorithm === "aes-256-gcm") {
-        return _aesDecrypt(key, cipherText, (0, config_1.symmetricNonceLength)());
+        return Buffer.from(_aesDecrypt(key, cipherText, (0, config_1.symmetricNonceLength)()));
     }
     else if (algorithm === "xchacha20") {
-        return _decrypt(chacha_1.xchacha20_poly1305, key, cipherText, consts_1.XCHACHA20_NONCE_LENGTH);
+        return Buffer.from(_decrypt(chacha_1.xchacha20_poly1305, key, cipherText, consts_1.XCHACHA20_NONCE_LENGTH));
     }
@@ -75,0 +90,0 @@ else {

package.json

@@ -14,3 +14,3 @@ {
   },
-  "version": "0.4.2",
+  "version": "0.4.3",
   "engines": {
@@ -17,0 +17,0 @@ "node": ">=16.0.0"

No alert changes

Improved metrics

Total package byte prevSize

23169

increased by3.24%

Lines of code

403

increased by3.87%

No dependency changes