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fixed binary signature

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-OpenPGP@5128 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2012-05-01 08:53:32 +00:00
parent ce5e6d3949
commit 60fcd981c1
6 changed files with 72 additions and 20 deletions
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30
libretroshare/src/pgp/pgphandler.cc
View file

@ -17,6 +17,8 @@ extern "C" {
#include "pgphandler.h"
#include "retroshare/rsiface.h" // For rsicontrol.
PassphraseCallback PGPHandler::_passphrase_callback = NULL ;
std::string PGPIdType::toStdString() const
{
static const char out[16] = { '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' } ;
@ -162,9 +164,20 @@ ops_keyring_t *PGPHandler::allocateOPSKeyring()
return kr ;
}
PGPHandler::PGPHandler(const std::string& pubring, const std::string& secring,PassphraseCallback cb)
: pgphandlerMtx(std::string("PGPHandler")), _pubring_path(pubring),_secring_path(secring),_passphrase_callback(cb)
void PGPHandler::setPassphraseCallback(PassphraseCallback cb)
{
_passphrase_callback = cb ;
}
PGPHandler::PGPHandler(const std::string& pubring, const std::string& secring)
: pgphandlerMtx(std::string("PGPHandler")), _pubring_path(pubring),_secring_path(secring)
{
if(_passphrase_callback == NULL)
{
std::cerr << "WARNING: before created a PGPHandler, you need to init the passphrase callback using PGPHandler::setPassphraseCallback()" << std::endl;
exit(-1) ;
}
// Allocate public and secret keyrings.
//
_pubring = allocateOPSKeyring() ;
@ -228,6 +241,7 @@ void PGPHandler::initCertificateInfo(PGPCertificateInfo& cert,const ops_keydata_
}
cert._trustLvl = 1 ; // to be setup accordingly
cert._validLvl = 1 ; // to be setup accordingly
cert._key_index = index ;
cert._flags = 0 ;
@ -310,7 +324,7 @@ bool PGPHandler::availableGPGCertificatesWithPrivateKeys(std::list<PGPIdType>& i
return true ;
}
static ops_parse_cb_return_t cb_get_passphrase(const ops_parser_content_t *content_,ops_parse_cb_info_t *cbinfo)// __attribute__((unused)))
ops_parse_cb_return_t cb_get_passphrase(const ops_parser_content_t *content_,ops_parse_cb_info_t *cbinfo)// __attribute__((unused)))
{
const ops_parser_content_union_t *content=&content_->content;
// validate_key_cb_arg_t *arg=ops_parse_cb_get_arg(cbinfo);
@ -324,10 +338,12 @@ static ops_parse_cb_return_t cb_get_passphrase(const ops_parser_content_t *conte
case OPS_PARSER_CMD_GET_SK_PASSPHRASE:
{
std::string passwd;
std::string uid_hint = std::string((const char *)cbinfo->cryptinfo.keydata->uids[0].user_id) + "(" + PGPIdType(cbinfo->cryptinfo.keydata->key_id).toStdString()+")" ;
std::string uid_hint = std::string((const char *)cbinfo->cryptinfo.keydata->uids[0].user_id) ;
uid_hint += "(" + PGPIdType(cbinfo->cryptinfo.keydata->key_id).toStdString()+")" ;
if (rsicontrol->getNotify().askForPassword(uid_hint, prev_was_bad, passwd) == false)
return OPS_RELEASE_MEMORY;
passwd = PGPHandler::passphraseCallback()(NULL,uid_hint.c_str(),NULL,prev_was_bad) ;
// if (rsicontrol->getNotify().askForPassword(uid_hint, prev_was_bad, passwd) == false)
// return OPS_RELEASE_MEMORY;
*(content->secret_key_passphrase.passphrase)= (char *)ops_mallocz(passwd.length()+1) ;
memcpy(*(content->secret_key_passphrase.passphrase),passwd.c_str(),passwd.length()) ;
@ -646,7 +662,7 @@ bool PGPHandler::SignDataBin(const PGPIdType& id,const void *data, const uint32_
// then do the signature.
ops_memory_t *memres = ops_sign_buf(data,len,(ops_sig_type_t)0x10,secret_key,ops_false) ;
ops_memory_t *memres = ops_sign_buf(data,len,(ops_sig_type_t)0x00,secret_key,ops_false,ops_false) ;
if(!memres)
return false ;

7
libretroshare/src/pgp/pgphandler.h
View file

@ -93,7 +93,7 @@ class PGPCertificateInfo
class PGPHandler
{
public:
PGPHandler(const std::string& path_to_public_keyring, const std::string& path_to_secret_keyring,PassphraseCallback cb) ;
PGPHandler(const std::string& path_to_public_keyring, const std::string& path_to_secret_keyring) ;
virtual ~PGPHandler() ;
@ -129,6 +129,9 @@ class PGPHandler
bool isGPGSigned(const std::string &id);
bool isGPGAccepted(const std::string &id);
static void setPassphraseCallback(PassphraseCallback cb) ;
static PassphraseCallback passphraseCallback() { return _passphrase_callback ; }
private:
static std::string makeRadixEncodedPGPKey(const ops_keydata_t *key) ;
static ops_keyring_t *allocateOPSKeyring() ;
@ -150,6 +153,6 @@ class PGPHandler
const std::string _pubring_path ;
const std::string _secring_path ;
PassphraseCallback _passphrase_callback ;
static PassphraseCallback _passphrase_callback ;
};

42
libretroshare/src/pgp/test_pgp_handler.cc
View file

@ -1,5 +1,6 @@
// COMPILE_LINE: g++ -o test_pgp_handler test_pgp_handler.cc -I../../../openpgpsdk/include -I../ -L../lib -lretroshare ../../../openpgpsdk/lib/libops.a -lssl -lcrypto -lbz2
// COMPILE_LINE: g++ -o test_pgp_handler test_pgp_handler.cc -I../../../openpgpsdk/include -I../ -L../lib -lretroshare ../../../libbitdht/src/lib/libbitdht.a ../../../openpgpsdk/lib/libops.a -lgnome-keyring -lupnp -lssl -lcrypto -lbz2
//
#include <stdlib.h>
#include <iostream>
#include "pgphandler.h"
@ -8,6 +9,21 @@ static std::string passphrase_callback(void *data,const char *uid_info,const cha
return std::string(getpass(what)) ;
}
static std::string stringFromBytes(unsigned char *bytes,size_t len)
{
static const char out[16] = { '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' } ;
std::string res ;
for(int j = 0; j < len; j++)
{
res += out[ (bytes[j]>>4) ] ;
res += out[ bytes[j] & 0xf ] ;
}
return res ;
}
int main(int argc,char *argv[])
{
// test pgp ids.
@ -24,7 +40,9 @@ int main(int argc,char *argv[])
static const std::string pubring = "pubring.gpg" ;
static const std::string secring = "secring.gpg" ;
PGPHandler pgph(pubring,secring,&passphrase_callback) ;
PGPHandler::setPassphraseCallback(&passphrase_callback) ;
PGPHandler pgph(pubring,secring) ;
pgph.printKeys() ;
std::cerr << std::endl ;
@ -76,27 +94,37 @@ int main(int argc,char *argv[])
std::cerr << "Password = \"" << pass << "\"" << std::endl;
std::cerr << "Testing signature with keypair " << newid.toStdString() << std::endl;
char test_bin[14] = "34f4fhuif3489" ;
unsigned char sign[100] ;
uint32_t signlen = 100 ;
static const size_t BUFF_LEN = 25 ;
unsigned char *test_bin = new unsigned char[BUFF_LEN] ;
for(size_t i=0;i<BUFF_LEN;++i)
test_bin[i] = rand()%26 + 'a' ;
if(!pgph.SignDataBin(newid,test_bin,13,sign,&signlen))
std::cerr << "Text = \"" << std::string((char *)test_bin,BUFF_LEN) << "\"" << std::endl;
unsigned char sign[1000] ;
uint32_t signlen = 1000 ;
if(!pgph.SignDataBin(newid,test_bin,BUFF_LEN,sign,&signlen))
std::cerr << "Signature error." << std::endl;
else
std::cerr << "Signature success." << std::endl;
std::cerr << "Signature length: " << signlen << std::endl;
std::cerr << "Signature: " << stringFromBytes(sign,signlen) << std::endl;
std::cerr << "Now verifying signature..." << std::endl;
PGPFingerprintType fingerprint ;
if(!pgph.getKeyFingerprint(newid,fingerprint) )
std::cerr << "Cannot find fingerprint of key id " << newid.toStdString() << std::endl;
if(!pgph.VerifySignBin(test_bin,13,sign,signlen,fingerprint))
if(!pgph.VerifySignBin(test_bin,BUFF_LEN,sign,signlen,fingerprint))
std::cerr << "Signature verification failed." << std::endl;
else
std::cerr << "Signature verification worked!" << std::endl;
delete[] test_bin ;
std::string outfile = "crypted_toto.pgp" ;
std::string text_to_encrypt = "this is a secret message" ;