Comparison table

Name of algorithm	Small file (0.5 MB) - in seconds	Large file (5 MB) - in seconds
aes128	0.000991821289063	0.009418964385986
aes192	0.000822067260742	0.007995843887329
aes256	0.000908851623535	0.008588075637817
blowfish	0.004865884780884	0.049288988113403
des	0.008074998855591	0.085855007171631
des3	0.022106885910034	0.228245019912720
idea	0.005312919616699	0.059438943862915
camellia128	0.003242969512939	0.032946109771729
camellia192	0.004247903823853	0.043607950210571
camellia256	0.004272937774658	0.045372009277344
seed	0.007855892181396	0.081595897674561
RSA (1024 bit)	0.020419120788574	0.040070056915283
RSA (2048 bit)	0.058748006820679	0.097875118255615
RSA (4096 bit)	0.459750890731812	0.551399946212769