Brute force attack is common approach that is used to break the secret key.
	Using Cryptool 1, you need to launch brute force attack to break the DES secret key .
	Digital signatures are used for sender authentication, data integrity and non-repudiation. In Cryptool 2, you need to develop your own digital signature generation and verification module.
Question 1 (Cryptool 1)
A DES encrypted message is given in this file: Q~/NGGVm3{&A"3i 8
You have been lucky; you have seen some part of the key 12 34 56 78 90 ** ** **.
With the help of Cryptool 1, break the key and decipher the given text.
a)	How long time will it take you to compromise the complete key by using a
	brute force attack?
b)	What is the complete secret key?
c)	What is the decrypted text?
Note: Provide the screenshot of every step to get full marks.
Question 2 (Cryptool 2)
In the Cryptool 2, develop your own RSA digital signature generation and verification component.
a)	Generate the hash value using built-in SHA-1 module
b)	Encrypt has value using built-in RSA Cipher module
c)	Display Signature in text format.
d)	Develop Signature Verification component and display result in text format
Note :Should be Provide the screenshot of every step .