We are developing a des cipher using the openssl crypto library. our approach
is structured in the following way
READ DATA
EVP_EncryptInit(...)
for(;;)
{
EVP_EncryptInit(..)
EVP_EncryptUpdate(...)
/* until end of data*/
}
EVP_EncryptFinal(...)
It seems to work good only with some sizes of data blocks.
Our question;
Encrypt Init has to be called every time we call EncyptUpdate?
Is our scheme correct?
It allways decrypts good until de 25th byte.
thanks
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