Add files via upload

add pkcs7 and ECB

AES_HPP.hpp

@@ -6,6 +6,8 @@
 #include<string>
 #include<iomanip>
 
+using namespace std;
+
 extern unsigned char S_BOX[256];
 
 extern unsigned char INV_S_BOX[256];
@@ -40,4 +42,8 @@ void encrypt(unsigned char* plaintext, unsigned char* key, unsigned char* output
 
 void decrypt(unsigned char* ciphertext, unsigned char* key, unsigned char* output);
 
+void encryptECB(int textLength, unsigned char* plaintext, unsigned char* key, unsigned char* output);
+
+void decryptECB(int textLength, unsigned char* plaintext, unsigned char* key, unsigned char* output);
+
 #endif // AES_HPP