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

Table 13

Simulation results on device 4.

	DES	Triple DES	AES	Blowfish
Encryption (paragraph-sized)
Time (milliseconds)	4.716	2.416	0.121	2.024
Key size (bytes)	8	24	32	56
Ciphertext size (characters)	1016	1016	1024	1504
Decryption (paragraph-sized)
Time (milliseconds)	0.434	0.0289	0.0309	0.762
Encryption (password-sized)
Time (milliseconds)	0.456	0.0314	0.043	0.293
Key size (bytes)	8	24	32	56
Ciphertext size (characters)	24	24	24	48
Decryption (password-sized)
Time (milliseconds)	0.211	0.0274	0.0386	0.419