Thanks jeff... its working now ! :) On Sep 17, 3:41 am, Jeffrey Walton <[email protected]> wrote: > On Sep 17, 2:33 am, shinde <[email protected]> wrote:> Hello Everyone, > > > I am currently having trouble setting up crypto++ on ubuntu.. Make > > works fine, but when i try make install, I get the following error: > > > # make install > > ================================================== > > ERROR : > > cp *.h /usr/include/cryptopp > > cp *.a /usr/lib > > cp *.so /usr/lib > > cp: cannot stat `*.so': No such file or directory > > make: *** [install] Error 1 > > =================================================== > > The shared object was not built, so it does not exist (and hence, does > not stat). > > > But somehow i'm able to verify the installation using the following > > commands: > > > > whereis cryptest.exe > > > whereis libcryptopp.a > > Again, no shared object (libcryptopp.so). > > There are some makefile tweaks available > athttp://sourceforge.net/tracker/?func=detail&aid=3409518&group_id=6152... > andhttp://sourceforge.net/tracker/?func=detail&aid=3409556&group_id=6152.... > The tweaks add the static and dynamic objects to the default rule > (all). They also add a leading hyphen to the CP command so it > continues on library copy failure (if you build the shared object, but > not the archive, make will fail before copying the SO during install). > > > > > After this I assumed that it is installed and went about trying the > > samples for RSA given on the wiki.. Even though I had no problem > > compiling it, I am getting segmentation fault when i try to run it. > > > //////////////////////////////////////////////// > > // Generate keys > > AutoSeededRandomPool rng; > > > InvertibleRSAFunction params; > > params.GenerateRandomWithKeySize(rng, 3072); > > > RSA::PrivateKey privateKey(params); > > RSA::PublicKey publicKey(params); > > > string plain="RSA Encryption", cipher, recovered; > > > //////////////////////////////////////////////// > > // Encryption > > RSAES_OAEP_SHA_Encryptor e(publicKey); > > > StringSource(plain, true, > > new PK_EncryptorFilter(rng, e, > > new StringSink(cipher) > > ) // PK_EncryptorFilter > > ); // StringSource > > Try: > > StringSource sse(plain, true, > new PK_EncryptorFilter(rng, e, > new StringSink(cipher) > ) // PK_EncryptorFilter > ); // StringSource > > > //////////////////////////////////////////////// > > // Decryption > > RSAES_OAEP_SHA_Decryptor d(privateKey); > > > StringSource(cipher, true, > > new PK_DecryptorFilter(rng, d, > > new StringSink(recovered) > > ) // PK_DecryptorFilter > > ); // StringSource > > Try: > > StringSource ssd(cipher, true, > new PK_DecryptorFilter(rng, d, > new StringSink(recovered) > ) // PK_DecryptorFilter > ); // StringSource > > > cout << "Recovered plain text" << endl; > > > I think I am getting a segmentation error due to StringSource, but I'm > > not able to figure out why. I'm new to crypto++ and relatively new to c > > ++ too. > > I've got to check if that (not using a variable name) is legal C++. I > thought it was when the sample was written. If legal, it might be that > not using a variable does something with sequence points, or GCC is > optimizing too aggressively. > > Jeff
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