1.What is SHA-3? .2 Write a Java program that generates the message digest (not in the true technical sense) of a number, using the algorithm shown in Fig XXXXXXXXXXWrite a C program that calculates...

1.What is SHA-3? .2 Write a Java program that generates the message digest (not in the true technical sense) of a number, using the algorithm shown in Fig. 4.18. 3. Write a C program that calculates the message digest of a text using the MD5 algorithm. 4. Write a Visual Basic program to calculate the 32-bit CRC of a string. 5. Write a Visual Basic program to calculate the 16-bit CRC of a string. 6. Write a Java program to implement the RSA algorithm.