[Botan-devel] Big buffer encryption \ decryption using RSA.

Joel Low joel at joelsplace.sg
Wed Jun 6 10:01:56 EDT 2007


Hello,

I don't know, Usually we use asymmetric crypto only to encrypt the keys used
for symmetric crypto as asymmetric crypto is always slower than symmetric
crypto. Is there any real reason you MUST use RSA?

Joel

> -----Original Message-----
> From: Ðóñëàí [mailto:ruslanix at list.ru]
> Sent: 6 June 2007 9:55 PM
> To: botan-devel at randombit.net
> Subject: [Botan-devel] Big buffer encryption \ decryption using RSA.
> 
> Hi everybody,
> 
> I need to encrypt / decrypt some buffer using RSA.
> This buffer has size bigger then PK_Encryptor::maximum_input_size.
> Is there any high level interface to do this or i have to split this
> buffer to smaller parts?
> 
> My attempts to use Pipes and PK Filters were unsuccessful.
> 
> Could you provide me with some example of file encrypting and subsequent
> decrypting (both directions) using RSA with the file size bigger then, for
> instance, 5 megabytes.
> 
> Thanks in advance,
> Ruslan
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