Comparison table

Name of algorithm	Small file (0.5 MB) - in seconds	Large file (5 MB) - in seconds
aes128	0.000877857208252	0.007533073425293
aes192	0.000708103179932	0.007131099700928
aes256	0.000775098800659	0.007918119430542
blowfish	0.004738092422485	0.049731969833374
des	0.008107900619507	0.083398818969727
des3	0.022508859634399	0.224489927291870
idea	0.005348920822144	0.054744958877564
camellia128	0.003215074539185	0.032938003540039
camellia192	0.004225015640259	0.043644905090332
camellia256	0.004257917404175	0.043621778488159
seed	0.007750034332275	0.079615116119385
RSA (1024 bit)	0.015457153320313	0.040779113769531
RSA (2048 bit)	0.163726091384888	0.047629833221436
RSA (4096 bit)	0.809528827667236	2.409306049346924