fix

README.md

@@ -5,3 +5,23 @@ go env -w  GONOPROXY=git.apinb.com/*
 go env -w  GOINSECURE=git.apinb.com/*
 go env -w  GONOSUMDB=git.apinb.com/*
 ```
+# crypto 加密与解密
+## GCM加密
+```
+AESGCMEncrypt GCM 加密
+AESGCMDecrypt GCM 解密
+```
+## CBC加密
+```
+Encrypt CBC加密
+Decrypt CBC解密
+```
+## ECB加密
+```
+AesEncryptECB ECB加密
+AesDecryptECB ECB解密
+```
+## 环境变量检测
+```
+AesKeyCheck 秘钥环境变量检测
+```