Fix AES key charset encoding issue in WxPay decryptToString method

Co-authored-by: binarywang <1343140+binarywang@users.noreply.github.com>
Initial plan
2025-11-06 04:20:53 +08:00 · 2025-09-22 16:36:43 +00:00 · 2025-09-22 16:27:01 +00:00
1 changed files with 3 additions and 3 deletions
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/v3/util/AesUtils.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/v3/util/AesUtils.java
@@ -80,11 +80,11 @@ public class AesUtils {
    try {
      Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");

-      SecretKeySpec key = new SecretKeySpec(apiV3Key.getBytes(), "AES");
-      GCMParameterSpec spec = new GCMParameterSpec(TAG_LENGTH_BIT, nonce.getBytes());
+      SecretKeySpec key = new SecretKeySpec(apiV3Key.getBytes(StandardCharsets.UTF_8), "AES");
+      GCMParameterSpec spec = new GCMParameterSpec(TAG_LENGTH_BIT, nonce.getBytes(StandardCharsets.UTF_8));

      cipher.init(Cipher.DECRYPT_MODE, key, spec);
-      cipher.updateAAD(associatedData.getBytes());
+      cipher.updateAAD(associatedData.getBytes(StandardCharsets.UTF_8));

      return new String(cipher.doFinal(Base64.getDecoder().decode(ciphertext)), StandardCharsets.UTF_8);
    } catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
Author	SHA1	Message	Date
copilot-swe-agent[bot]	fc129b987e	Fix AES key charset encoding issue in WxPay decryptToString method Co-authored-by: binarywang <1343140+binarywang@users.noreply.github.com>	2025-09-22 16:36:43 +00:00
copilot-swe-agent[bot]	532f405c76	Initial plan	2025-09-22 16:27:01 +00:00