Help!!!!Help for my aes cryp....

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Hello eveyone ,recently i have to finish a aes code ,i wanna a light ,the most fastest aes code ,not for the most security situation,just faster and faster ?Masters!!!!Please help me ,thank you very very much !!!

i have a source code for the aes ,but my key is 256bit,the plaintext must be 128bits,how i change the plaintext length,if my plaintext is 256bits,so i have to change the algorithm.how can i do???

Posted 25-Nov-12 23:46pm

youngtala

Updated 28-Nov-12 2:25am

v2

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OriginalGriff 26-Nov-12 5:49am

This is not a good question - we cannot work out from that little what you are trying to do.
Remember that we can't see your screen, access your HDD, or read your mind.

Use the "Improve question" widget to edit your question and provide better information.

youngtala 26-Nov-12 7:16am

thank you ,because of my poor english,i have to do something in tiny platform ,so i need something small,code must be simple and fast,not really security

2 solutions

Solution 3

This is the one I would recommend:

http://www.gladman.me.uk/[^]

It has asm optimization and is faster than anything else I found.

Posted 26-Nov-12 12:06pm

michaelmel

Updated 26-Nov-12 12:08pm

v2

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CPallini · Accepted Answer · 2012-11-25T23:55:00

Solution 1

That's the one I am using: "256bit key - 128bit block - AES"[^]

Posted 25-Nov-12 23:55pm

CPallini

Comments

youngtala 26-Nov-12 7:09am

I have try , i need to do something in mobile platform ,so i need something smaller than these,eg,aes lite for example

nv3 26-Nov-12 7:17am

Have you tried something yourself, except for crying "Help, Help!"? The source code in CPallini's link is not very bulky, so what do you mean by "something smaller"? If you think you can implement AES with much less code, then be invited to try.

CPallini 26-Nov-12 8:18am

The code I linked is pretty small. If you really need smaller code than you may also consider using another encryption method.