This may sound naive, but were your binaries of CryptoPP re-compiled
under the VS2008 environment? The .LIB is compiler-version and -options
and STL-version specific, and mixing them will result in much
unhappiness and similar issues like these below.
--andy
Glen Miller wrote:
> I'm having what appears to be the same problem with StringSource. The
> following function works with Crypto++ 5.1 in VS2003, but does not
> work with Crypto++ 5.4 or 5.5.2. In VS2003, it throws an exception. In
> VS2008 no errors occur, but "signature" is not populated. I'm
> upgrading our code to VS2008, and am stuck at this point - since Crypto
> ++ 5.1 does not work under VS2008. Is there a work-around?
>
> int rsa_sha1_sign( const string &key, const string &plaintext, string
> &signature)
> {
> try
> {
> AutoSeededRandomPool rng;
>
> RSASSA_PKCS1v15_SHA_Signer privkey(StringSource(key, true, new
> Base64Decoder()));
>
> SecByteBlock sbbSignature(privkey.SignatureLength());
>
> privkey.SignMessage(rng, (byte const*) plaintext.data(),
> plaintext.size(), sbbSignature.begin());
>
> StringSource source(sbbSignature, true, new Base64Encoder(new
> StringSink(signature),false));
> }
> catch(CryptoPP::Exception)
> {
> return 0;
> }
> return 1;
> }
>
>
> On Feb 29, 7:22 am, whatazor <[EMAIL PROTECTED]> wrote:
>
>> Hi,
>> I've used this code (but the difference is only that the class is
>> instanciated internally to function brackets) and the behaviour
>> doesn't change.
>>
>> :(
>>
>> On 25 Feb, 00:23, "Jeffrey Walton" <[EMAIL PROTECTED]> wrote:
>>
>>
>>
>>
>>> Hi w,
>>>
>>> I suspect it has to with your usage of the library. Try the following.
>>>
>>> Jeff
>>>
>>> #include <iostream>
>>> #include <string>
>>>
>>> using std::string;
>>> using std::cout;
>>> using std::endl;
>>>
>>> #include "default.h"
>>> #include "filters.h"
>>>
>>> using CryptoPP::DefaultEncryptorWithMAC;
>>> using CryptoPP::DefaultDecryptorWithMAC;
>>> using CryptoPP::StringSink;
>>> using CryptoPP::StringSource;
>>>
>>> int main(int argc, char* argv[])
>>> {
>>> string message = "secret message";
>>> string password = "password";
>>> string encrypted, recovered;
>>>
>>> StringSource(
>>> message,
>>> true,
>>> new DefaultEncryptorWithMAC(
>>> password.c_str(),
>>> new StringSink( encrypted )
>>> ) // DefaultEncryptorWithMAC
>>> ); // StringSource
>>>
>>> StringSource(
>>> encrypted,
>>> true,
>>> new DefaultDecryptorWithMAC(
>>> password.c_str(),
>>> new StringSink( recovered )
>>> ) // DefaultDecryptorWithMAC
>>> ); // StringSource
>>>
>>> cout << "Recovered Text:" << endl;
>>> cout << " " << recovered << endl;
>>>
>>> return 0;
>>>
>>> }
>>>
>>> On 2/22/08, whatazor <[EMAIL PROTECTED]> wrote:
>>>
>>>> Hi All,
>>>> I use crypto 5.4 and I notice a strange problem using an automated
>>>> test for testing a wrapping class of StringSource I have. This
>>>> wrapping class only call StringSource, but the problems is that
>>>> sometimes (not regularly) StringSource throw an exception even if this
>>>> automated test use always the same string to crypt and then decrypt,
>>>> and the same passphrase
>>>>
>>>> try
>>>> {
>>>> StringSink *ssink = new StringSink(out);
>>>> DefaultEncryptorWithMAC * mac = new
>>>> DefaultEncryptorWithMAC(passPhrase, ssink);
>>>>
>>>> StringSource s((const byte *)in, len, true, mac);
>>>> }
>>>> catch (...)
>>>> {
>>>> result = false;
>>>> }
>>>>
>>>> where is the problem?
>>>>
>>>> thx you very much
>>>> w- Hide quoted text -
>>>>
>> - Show quoted text -
>>
> >
>
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