diff options
Diffstat (limited to 'plugins/SecureIM/crypt_dll.cpp')
| -rw-r--r-- | plugins/SecureIM/crypt_dll.cpp | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/plugins/SecureIM/crypt_dll.cpp b/plugins/SecureIM/crypt_dll.cpp deleted file mode 100644 index 6a97021886..0000000000 --- a/plugins/SecureIM/crypt_dll.cpp +++ /dev/null @@ -1,236 +0,0 @@ -#include "commonheaders.h"
-
-
-// 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 = (int)strlen(keysig);
- int tlen = (int)strlen(pub_text);
-
- LPSTR keyToSend = (LPSTR) mir_alloc(slen+tlen+1);
-
- memcpy(keyToSend,keysig,slen);
- memcpy(keyToSend+slen,pub_text,tlen+1);
-
- return keyToSend;
-}
-
-// 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 KeyX into context
-void InitKeyX(pUinKey ptr,BYTE *key) {
-
- if (!ptr->cntx)
- ptr->cntx = cpp_create_context(isProtoSmallPackets(ptr->hContact)?CPP_MODE_BASE64:0);
-
- cpp_set_keyx(ptr->cntx,key);
-}
-
-
-// calculate secret key
-BOOL CalculateKeyX(pUinKey ptr,HANDLE hContact) {
-
- int agr = cpp_calc_keyx(ptr->cntx);
- if ( agr ) {
- // do this only if key exchanged is ok
- // we use a 192bit key
- int keysize = cpp_size_keyx();
- PBYTE buffer = (PBYTE) alloca(keysize); // buffer for hash
-
- // store key
- cpp_get_keyx(ptr->cntx,buffer);
-
- DBCONTACTWRITESETTING cws;
- cws.szModule = szModuleName;
-
- // store key in database
- cws.szSetting = "offlineKey";
- cws.value.type = DBVT_BLOB;
- cws.value.cpbVal = keysize;
- cws.value.pbVal = buffer;
- CallService(MS_DB_CONTACT_WRITESETTING, (WPARAM)hContact, (LPARAM)&cws);
-
- // store timeout of key in database (2 days)
- cws.szSetting = "offlineKeyTimeout";
- cws.value.type = DBVT_DWORD;
- cws.value.dVal = gettime()+(60*60*24*DBGetContactSettingWord(0,szModuleName,"okt",2));
- CallService(MS_DB_CONTACT_WRITESETTING, (WPARAM)hContact, (LPARAM)&cws);
-
- // key exchange is finished
- showPopUpEC(ptr->hContact);
- }
- else {
- // agree value problem
- showPopUp(sim002,hContact,g_hPOP[POP_PU_DIS],0);
- }
- return agr!=0;
-}
-
-
-// encrypt message
-LPSTR encrypt(pUinKey ptr, LPCSTR szEncMsg) {
-
- LPSTR szSig = (LPSTR) (ptr->offlineKey?SIG_ENOF:SIG_ENON);
-
- int slen = (int)strlen(szSig);
- int clen = (int)strlen(szEncMsg);
-
- LPSTR szMsg = (LPSTR) mir_alloc(clen+slen+1);
- memcpy(szMsg, szSig, slen);
- memcpy(szMsg+slen, szEncMsg, clen+1);
-
- return szMsg;
-}
-
-
-// encode message
-LPSTR encodeMsg(pUinKey ptr, LPARAM lParam) {
-
- CCSDATA *pccsd = (CCSDATA *)lParam;
- LPSTR szNewMsg = NULL;
- LPSTR szOldMsg = (LPSTR) pccsd->lParam;
-
- if ( pccsd->wParam & PREF_UTF )
- szNewMsg = encrypt(ptr,cpp_encodeU(ptr->cntx,szOldMsg));
- else
- if ( pccsd->wParam & PREF_UNICODE )
- szNewMsg = encrypt(ptr,cpp_encodeW(ptr->cntx,(LPWSTR)(szOldMsg+strlen(szOldMsg)+1)));
- else
- szNewMsg = encrypt(ptr,cpp_encodeA(ptr->cntx,szOldMsg));
-
-// pccsd->wParam &= ~(PREF_UNICODE|PREF_UTF);
- pccsd->wParam &= ~PREF_UNICODE;
-
- return szNewMsg;
-}
-
-
-// decode message
-LPSTR decodeMsg(pUinKey ptr, LPARAM lParam, LPSTR szEncMsg) {
-
- CCSDATA *pccsd = (CCSDATA *)lParam;
- PROTORECVEVENT *ppre = (PROTORECVEVENT *)pccsd->lParam;
-
- LPSTR szNewMsg = NULL;
- LPSTR szOldMsg = (ppre->flags&PREF_UTF)?cpp_decodeU(ptr->cntx,szEncMsg):cpp_decode(ptr->cntx,szEncMsg);
-
- if(szOldMsg == NULL) {
- ptr->decoded=false;
- switch(cpp_get_error(ptr->cntx)) {
- case CPP_ERROR_BAD_LEN:
- szNewMsg = mir_strdup(Translate(sim102));
- break;
- case CPP_ERROR_BAD_CRC:
- szNewMsg = mir_strdup(Translate(sim103));
- break;
- default: {
- ptr->decoded=true;
- szNewMsg = mir_strdup(Translate(sim101));
- }
- break;
- }
- ppre->flags &= ~(PREF_UNICODE|PREF_UTF);
- pccsd->wParam &= ~(PREF_UNICODE|PREF_UTF);
- }
- else {
- ptr->decoded=true;
- if ( ppre->flags & PREF_UTF ) { // если протокол поддерживает utf8 - тогда отправляем в utf8
- int olen = (int)strlen(szOldMsg)+1;
- szNewMsg = (LPSTR) mir_alloc(olen);
- memcpy(szNewMsg,szOldMsg,olen);
- }
- else {
- int olen = ((int)strlen(szOldMsg)+1)*(sizeof(WCHAR)+1);
- szNewMsg = (LPSTR) mir_alloc(olen);
- memcpy(szNewMsg,szOldMsg,olen);
- ppre->flags |= PREF_UNICODE;
- pccsd->wParam |= PREF_UNICODE;
- }
- }
- ppre->szMessage = szNewMsg;
- return szNewMsg;
-}
-
-
-BOOL LoadKeyPGP(pUinKey ptr) {
- int mode = DBGetContactSettingByte(ptr->hContact,szModuleName,"pgp_mode",255);
- if(mode==0) {
- DBVARIANT dbv;
- DBGetContactSetting(ptr->hContact,szModuleName,"pgp",&dbv);
- BOOL r=(dbv.type==DBVT_BLOB);
- if(r) pgp_set_keyid(ptr->cntx,(PVOID)dbv.pbVal);
- DBFreeVariant(&dbv);
- return r;
- }
- else
- if(mode==1) {
- LPSTR key = myDBGetStringDecode(ptr->hContact,szModuleName,"pgp");
- if ( key ) {
- pgp_set_key(ptr->cntx,key);
- mir_free(key);
- return 1;
- }
- }
- return 0;
-}
-
-
-BOOL LoadKeyGPG(pUinKey ptr) {
-
- LPSTR key = myDBGetString(ptr->hContact,szModuleName,"gpg");
- if ( key ) {
- gpg_set_keyid(ptr->cntx,key);
- mir_free(key);
- return 2;
- }
- return 0;
-}
-
-// EOF
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