Hi,
I'm working on a simple project on KDevelop (linux Slackware virtual
machine, on a Windows 7 host). I have to write a C++ code that : 1) creates
a folder; 2) creates a number of text files in that folder; 3) Calculates a
hash of each file with RIPEMD128; 4) Signs each hash with RSA ; 5)performs
an integrity check if requested.
I'm using Cryptopp 5.6.1 for RIPEMD128 and RSA functions.
I realized and tested points 1) 2) and 3). I realized and tested point 4)
following CryptoPP Signature Scheme Wiki:
http://www.cryptopp.com/wiki/RSA_Signature_Schemes, and it works fine. Now
i'm trying to integrate point 4) with the project and i realized the
following "signing function":
CrypoPP::AutoSeededRandomPool RNG;
CryptoPP::RSA::PrivateKey RSAprivate;
CryptoPP::RSA::PublicKey RSApublic ( RSAprivate);
void Signature::SignHash(string Hash)
{
string Digest = Hash;
string Signature = "";
CryptoPP::RSASS<Cryptopp::PSS,CryptoPP::SHA1>::Signer
signer(RSAprivate);
cout << "cotrol point 1";
CryptoPP::StringSource( Digest,true , new CryptoPP::SignerFilter ( RNG
, signer, new CryptoPP::StringSink ( Signature ) ) );
cout << "control point 2";
}
If i launch the program it prints control point 1 and then it crashes in a
Segmentation fault (bin/sh: line 1 3216 Segmentation fault
/root/<directory>/debug/. /src/<project>) !!
I'm a new user of C++ and Slackware and i don't know how to solve this
problem ( I think that segmentation fault derives from a memory and/or a
C++ contructor/destructor problem....... )
Anyone can help me to solve this fault?
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