the hash algorithms Message Digest, Secure Hash Algorithm, Whirlpool, and RIPEMD that compares them

 

	Message Digest	Secure Hash Algorithm	Whirlpool	RIPEMD
the size of the digest	128 bits	160 bits	512 bits	128 bits
the number of rounds needed to create the hash	03,04 or 05 rounds	80 rounds	10 rounds	48 rounds
block size	512 bits	512 bits	512 bits	512 bits
creator	Ronald Rivest	US National Security Agency(NSA)	Vincent Rijmen and Paulo Barreto	Hans Dobbertin, Antoon Bosselares, and Bart Preneel
what previous hash it was derived from	Message Digest 4 (MD4)	SHA-0	Square, AES , Whirlpool-T	MD4
strengths	MD5 hash is dependent on all message bits and Can compare and store information   Functionality to check for errors	Longer hash value makes it more difficult to crack,collision resistant	It's simple to implement on most platforms, and it's more scalable than other security hash functions.	more secure than MD5
weaknesses	Preimage vulnerability, not collision resistant, online password cracking table(People can create false SSL certificates using MD5 signatures. Passwords are simple to crack using free web tools. Hash collision vulnerability)	not collision resistant, The algorithm was discovered to be more vulnerable to collision assaults than expected. Slow computation compared to MD5	Slow computation than other hash function.	slower then MD5, Crackable, less popular