MD5 SHA1 SHA2 for Data integrity in IKE-phase1
number of bit output
Usage | |
---|---|
to protect the data data has not been change on the way | |
One way function | |
collision resistance | |
sender send ( Data + hash1 )Â | Receiver ( Data >> hash2 compare Hash2 and Rx Hash1 |
MD5 | |
SHA1 | |
SHA2 | 256Bits algorithm |