Lightweight Cryptographic Algorithms for Guessing Attack Protection in Complex Internet of Things Applications

Table 11

Simulation results on device 2.

	DES	Triple DES	AES	Blowfish
Encryption (paragraph-sized)
Time (milliseconds)	4.0	1.277	0.162	1.523
Key size (bytes)	8	24	32	56
Ciphertext size (characters)	1016	1016	1024	1504
Decryption (paragraph-sized)
Time (milliseconds)	0.773	0.0236	0.0256	0.561
Encryption (password-sized)
Time (milliseconds)	0.961	0.0209	0.0253	0.174
Key size (bytes)	8	24	32	56
Ciphertext size (characters)	24	24	24	48
Decryption (password-sized)
Time (milliseconds)	1.249	0.0183	0.0277	0.188