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[update] AES类兼容ECB(虽然不再建议利用)

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its 2024-04-26 11:41:08 +08:00
parent 1415200b1a
commit cf8231017d
2 changed files with 9 additions and 2 deletions
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1
UPDATE.md
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@ -8,6 +8,7 @@ yexuejc-base 更新记录
1. [FileUtil.java](src/main/java/com/yexuejc/base/util/FileUtil.java)增加读取大文件自定义方法和单纯读取方法
2. JsonUtil 增加objToMap；优化obj2Json
3. DateUtil 标准化日期时间的转换函数
4. [AES.java](src/main/java/com/yexuejc/base/encrypt/AES.java) 兼容ECB(虽然不再建议利用)
---
#### version ：1.5.2-jre11

10
src/main/java/com/yexuejc/base/encrypt/AES.java
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@ -93,7 +93,10 @@ public class AES {
byte[] plaintext = new byte[plaintextLength];
System.arraycopy(dataBytes, 0, plaintext, 0, dataBytes.length);
SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(charset), AES_ALGORITHM);
IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes(charset));
IvParameterSpec ivspec = null;
if(!algorithm.name.contains("ECB")){
ivspec = new IvParameterSpec(iv.getBytes(charset));
}
cipher.init(Cipher.ENCRYPT_MODE, keyspec, ivspec);
byte[] encrypted = cipher.doFinal(plaintext);
return Base64.getEncoder().encodeToString(encrypted);
@ -115,7 +118,10 @@ public class AES {
byte[] encrypted = Base64.getDecoder().decode(data);
Cipher cipher = Cipher.getInstance(algorithm.name);
SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(charset), AES_ALGORITHM);
IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes(charset));
IvParameterSpec ivspec = null;
if(!algorithm.name.contains("ECB")){
ivspec = new IvParameterSpec(iv.getBytes(charset));
}
cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec);
byte[] original = cipher.doFinal(encrypted);
return new String(original, charset).trim();