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On 05.04.2010, at 13:18, donald sullivan wrote:

> what i am trying to do is RSA encryption
> 
> I have a working setup doing encryption and decryption at the same time. i 
> want to store the encrypted value and be able to decrypted it later
> 
> if i encrypt the data and send the data straight to the decrypt function it 
> works fine
> 
> int decryptRetVal = RSA_public_decrypt(512, Buffer, plainText, rsaPubKey, 
> RSA_PKCS1_PADDING);
> 
> if i try to send the output of the encryption to the php side for storage, or 
> even write it to a file and then read that file for decryption it fails every 
> time
> 
> int decryptRetVal = RSA_public_decrypt(512, (unsigned char *)Z_STRVAL(zret), 
> plainText, rsaPubKey, RSA_PKCS1_PADDING);
> 
> how can i store the encrypted output for later use?

well, it should work
you don't give details, so I can't say what are you doing wrong.

I can give you only generic debugging advices:
make sure that the data you store on php-side is equivalent to the data you 
expect to get on C-level.
If it is not — try to locate the step which corrupts the data, etc.
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