lsm/weixin-java-tools
1
0
Fork 0
mirror of https://gitee.com/binary/weixin-java-tools.git synced 2026-03-10 00:13:40 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

🆕 #1885 【微信支付】电商收付通增加资金账单下载的接口

Browse Source
This commit is contained in:
f00lish
2020-11-24 09:05:07 +08:00
committed by GitHub
parent 57ab245093
commit b4da5c9fe4
9 changed files with 285 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
weixin-java-pay/src/main/java/com/github/binarywang/wxpay/v3/util/AesUtils.java
View File

@@ -4,6 +4,11 @@ import com.google.common.base.CharMatcher;
import com.google.common.io.BaseEncoding;
import org.apache.commons.lang3.StringUtils;
import javax.crypto.Cipher;
import javax.crypto.Mac;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.GCMParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.InvalidAlgorithmParameterException;
@@ -13,11 +18,6 @@ import java.util.Base64;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import javax.crypto.Cipher;
import javax.crypto.Mac;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.GCMParameterSpec;
import javax.crypto.spec.SecretKeySpec;
public class AesUtils {
@@ -32,6 +32,31 @@ public class AesUtils {
this.aesKey = key;
}
public static byte[] decryptToByte(byte[] nonce, byte[] cipherData, byte[] key)
throws GeneralSecurityException {
return decryptToByte(null, nonce, cipherData, key);
}
public static byte[] decryptToByte(byte[] associatedData, byte[] nonce, byte[] cipherData, byte[] key)
throws GeneralSecurityException {
try {
Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
SecretKeySpec secretKeySpec = new SecretKeySpec(key, "AES");
GCMParameterSpec spec = new GCMParameterSpec(TAG_LENGTH_BIT, nonce);
cipher.init(Cipher.DECRYPT_MODE, secretKeySpec, spec);
if (associatedData != null) {
cipher.updateAAD(associatedData);
}
return cipher.doFinal(cipherData);
} catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
throw new IllegalStateException(e);
} catch (InvalidKeyException | InvalidAlgorithmParameterException e) {
throw new IllegalArgumentException(e);
}
}
public String decryptToString(byte[] associatedData, byte[] nonce, String ciphertext)
throws GeneralSecurityException, IOException {
try {