Security Analysis of HMAC/NMAC by Using Fault Injection

Table 2

Parameters of MD4, MD5 and SHA-2.

Hash function	Message block	Chaining value	Hash value	Step function	Word size
MD4	512 bits	128 bits	128 bits	48 steps	32 bits
MD5	512 bits	128 bits	128 bits	64 steps	32 bits
SHA-224	512 bits	256 bits	224 bits	64 steps	32 bits
SHA-256	512 bits	256 bits	256 bits	64 steps	32 bits
SHA-384	1024 bits	512 bits	384 bits	80 steps	64 bits
SHA-512	1024 bits	512 bits	512 bits	80 steps	64 bits