I am writing to/reading from a file. Opening the file in binary mode seems to have done the trick. Thanks!
On Wed, Oct 30, 2013 at 9:30 PM, Dave Thompson <dthomp...@prinpay.com>wrote: > First, what do you mean by string? I assume you realize that raw > RSA-encrypted values **** > > (and other modern algorithms like AES and RC4 also) are binary data which > can contain **** > > zero bytes and thus are not C strings; strlen() etc. won’t work right. > This would cause **** > > trouble on all platforms, but only at random. (C++ std::string does not > rely on null **** > > termination and can work with a little care.)**** > > ** ** > > Do you write the value out to a file using stdio (or C++ i/ostream) and > read it back?**** > > If so, how do you open the file? C and C++ standard I/O allows the > platform to **** > > alter the representation of newline in text files, i.e. the char > corresponding to \n **** > > in the program can be something else in the file and in particular for > Windows **** > > it is the pair CR LF whereas in Unix including AFAIK MacOSX it is just NL. > If you **** > > want to portably write binary data to a file in C use a binary file.**** > > ** ** > > If it’s not that, I don’t know what it is. Try looking at the data with a > debugger **** > > after encrypting and before decrypting, especially the length and first > and last **** > > few bytes (I like 4). If you don’t have a debugger write a few lines of > code **** > > to print them out.**** > > ** ** > > ** ** > > *From:* owner-openssl-us...@openssl.org [ > mailto:owner-openssl-us...@openssl.org <owner-openssl-us...@openssl.org>] > *On Behalf Of *Shelli Skinner > *Sent:* Tuesday, October 29, 2013 22:46 > *To:* openssl-users@openssl.org > *Subject:* *** Spam *** RSA_public_encrypt/RSA_private decrypt giving > inconsistent results in Windows**** > > ** ** > > Hello,**** > > ** ** > > Just to get the feel for how to use these functions, I am writing a test > program that encrypts a string using RSA_public_encrypt, and then decrypts > the encrypted string using RSA_private_decrypt. I am observing random > failures, on Windows only. On OSX, it works consistently. I have done > some research and am suspicious that the Windows encrypted strings may be > getting corrupted....but I am not sure and very new to OpenSSL. Does > anyone have any input as to what would cause this kind of inconsistent > behavior?**** > > ** ** > > Thanks so much,**** > > Shelli**** >
