Re: unsigned chars

To avoid this matter try utf8_encode and utf8_decode. Encode before storing your datas in the file then decode when you read. Le 05/04/2010 11:31, Alexey Zakhlestin a écrit : > Use "reply all" when writing to mailing-list. > > > 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.