Information_Security_Class

If You Are Using Our File, Please Follow The Command Below

HW1：

./Encrypt.exe {suffix} {Key} {Plaintext}

./Decrypt.exe {suffix} {Key} {Ciphertext}

Remember：Key needs to be capital & Plaintext needs to be lower case & Ciphertext needs to be captial！！

HW2：

./EncryptDES.exe {Key} {Plaintext}

./DES_Decrypt.exe {Key} {Ciphertext}

Remember：Key needs to be capital & Plaintext needs to be lower case & Ciphertext needs to be captial！！

HW3

python ./AES.py {mode} {Key} {image path}

mode have ECB, CBC, extend

key length must be 16, 24 or 32

Encryption result will be store at ./encrypt.jpg

Decryption result will be store at ./decrypt.jpg

HW4

HW5

python ./AES.py -sign {message}

Sign mode will return p, q, alpha, beta, r, s

python ./AES.py -verify {Key_list} {message}

Key_list need in the order below: p, q, alpha, beta, r, s

Verfity mode will return True/False