Encryption Algorithm Key Length (bit) HE (flow-based) out of 600 HE (packet-based) out of 600
None N/A 6 32
DESX 128 599 599
Blowfish 448 600 600
Rijndael (AES)
256
600
600
CAST 256 600 600
Triple-DES 192 600 600
RC2 1024 599 600
Diamond 2 2048 598 600
Tea 128 599 600
Safer 128 599 600
3-Way 96 600 600
GOST 256 600 600
Shark 128 599 600
Square 128 598 600
Skipjack 80 598 600
Twofish 256 598 600
MARS (IBM)
448
600
600
Serpent 256 600 600