// store KeyB into context
int InitKeyB(pUinKey ptr,LPCSTR key) {
#if defined(_DEBUG) || defined(NETLIB_LOG)
Sent_NetLog("InitKeyB: %s", key);
#endif
if(!ptr->cntx)
ptr->cntx = cpp_create_context(isProtoSmallPackets(ptr->hContact)?CPP_MODE_BASE64:0);
if(!cpp_keyp(ptr->cntx)) {
char *tmp = myDBGetString(ptr->hContact,szModuleName,"PSK");
if(tmp) {
cpp_init_keyp(ptr->cntx,tmp); // make pre-shared key from password
mir_free(tmp);
}
}
cpp_init_keyb(ptr->cntx,key);
ptr->features = cpp_get_features(ptr->cntx);
return cpp_get_error(ptr->cntx);
}
// store KeyB into context
int InitKeyB(pUinKey ptr,LPCSTR key)
{
Sent_NetLog("InitKeyB: %s", key);
if (!ptr->cntx)
ptr->cntx = cpp_create_context(isProtoSmallPackets(ptr->hContact)?CPP_MODE_BASE64:0);
if (!cpp_keyp(ptr->cntx)) {
char *tmp = db_get_sa(ptr->hContact,MODULENAME,"PSK");
if (tmp) {
cpp_init_keyp(ptr->cntx,tmp); // make pre-shared key from password
mir_free(tmp);
}
}
cpp_init_keyb(ptr->cntx,key);
ptr->features = cpp_get_features(ptr->cntx);
return cpp_get_error(ptr->cntx);
}
// generate KeyA pair and return public key
LPSTR InitKeyA(pUinKey ptr,int features) {
#if defined(_DEBUG) || defined(NETLIB_LOG)
Sent_NetLog("InitKeyA: %04x", features);
#endif
if( !ptr->cntx )
ptr->cntx = cpp_create_context(isProtoSmallPackets(ptr->hContact)?CPP_MODE_BASE64:0);
char *tmp = myDBGetString(ptr->hContact,szModuleName,"PSK");
if(tmp) {
cpp_init_keyp(ptr->cntx,tmp); // make pre-shared key from password
mir_free(tmp);
}
LPSTR pub_text = cpp_init_keya(ptr->cntx,features); // calculate public and private key & fill KeyA
LPSTR keysig;
if(features&CPP_FEATURES_NEWPG) {
if(features&KEY_B_SIG)
keysig = (LPSTR)SIG_KEYB;
else
keysig = (LPSTR)SIG_KEYA;
}
else
if(isProtoSmallPackets(ptr->hContact))
keysig = (LPSTR)SIG_KEY4;
else
keysig = (LPSTR)SIG_KEY3;
int slen = strlen(keysig);
int tlen = strlen(pub_text);
LPSTR keyToSend = (LPSTR) mir_alloc(slen+tlen+1);
memcpy(keyToSend,keysig,slen);
memcpy(keyToSend+slen,pub_text,tlen+1);
return keyToSend;
}
