修改加密解密算法

epmet-module/gov-org/gov-org-server/src/main/java/com/epmet/util/ActWithoutProofUtils.java

@@ -81,7 +81,14 @@ public class ActWithoutProofUtils {
     public static byte[] encrypt(String content, String password) {
         try {
             KeyGenerator kgen = KeyGenerator.getInstance("AES");
-            kgen.init(128, new SecureRandom(password.getBytes()));
+            SecureRandom random = null;
+            try{
+                random = SecureRandom.getInstance("SHA1PRNG","SUN");
+            }catch (Exception e){
+                e.printStackTrace();
+            }
+            random.setSeed(password.getBytes());
+            kgen.init(128, random);
             SecretKey secretKey = kgen.generateKey();
             byte[] enCodeFormat = secretKey.getEncoded();
             SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");
@@ -135,7 +142,14 @@ public class ActWithoutProofUtils {
     public static byte[] decrypt(byte[] content, String password) {
         try {
             KeyGenerator kgen = KeyGenerator.getInstance("AES");
-            kgen.init(128, new SecureRandom(password.getBytes()));
+            SecureRandom random = null;
+            try{
+                random = SecureRandom.getInstance("SHA1PRNG","SUN");
+            }catch (Exception e){
+                e.printStackTrace();
+            }
+            random.setSeed(password.getBytes());
+            kgen.init(128, random);
             SecretKey secretKey = kgen.generateKey();
             byte[] enCodeFormat = secretKey.getEncoded();
             SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");