Comparison table

Name of algorithm	Small file (0.5 MB) - in seconds	Large file (5 MB) - in seconds
aes128	0.005460977554321	0.017674207687378
aes192	0.000800848007202	0.007645130157471
aes256	0.000823020935059	0.008193969726563
blowfish	0.005573987960815	0.049426078796387
des	0.014214038848877	0.083751201629639
des3	0.021344900131226	0.227038860321045
idea	0.006463050842285	0.055553913116455
camellia128	0.003224134445190	0.033087968826294
camellia192	0.004244089126587	0.043858051300049
camellia256	0.004217147827148	0.043608903884888
seed	0.007719993591309	0.079756021499634
RSA (1024 bit)	0.020817041397095	0.057082891464233
RSA (2048 bit)	0.114809989929199	0.076452016830444
RSA (4096 bit)	1.567686080932617	0.539229154586792