diff options
| author | Kirill Volinsky <mataes2007@gmail.com> | 2012-07-20 16:21:49 +0000 |
|---|---|---|
| committer | Kirill Volinsky <mataes2007@gmail.com> | 2012-07-20 16:21:49 +0000 |
| commit | f424a18112032cf61d2871a6b91a5af607c171ae (patch) | |
| tree | 88fedc4e28941ceecda7026f0b06eba6271f91d5 /plugins/CryptoPP/src/cpp_keys.cpp | |
| parent | bfe1bd0fc087be44c70904aee0fe4276643d206d (diff) | |
CryptoPP:
changed folder structure
git-svn-id: http://svn.miranda-ng.org/main/trunk@1083 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/CryptoPP/src/cpp_keys.cpp')
| -rw-r--r-- | plugins/CryptoPP/src/cpp_keys.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/plugins/CryptoPP/src/cpp_keys.cpp b/plugins/CryptoPP/src/cpp_keys.cpp new file mode 100644 index 0000000000..b216eb6a2f --- /dev/null +++ b/plugins/CryptoPP/src/cpp_keys.cpp @@ -0,0 +1,199 @@ +#include "commonheaders.h"
+
+const unsigned char IV[] = "PSKhell@MIRANDA!";
+
+
+// generate KeyA pair, return public key as ASCII
+LPSTR __cdecl cpp_init_keya(HANDLE context, int features) {
+
+ pCNTX ptr = get_context_on_id(context); if (!ptr) return NULL;
+ pSIMDATA p = (pSIMDATA) cpp_alloc_pdata(ptr);
+
+ int send_features = FEATURES;
+ if (p->KeyP) send_features |= FEATURES_PSK;
+
+ SAFE_DELETE(p->dh);
+ if (features & FEATURES_NEWPG) {
+ Integer p0("0x865734026113B4DF0082CED84C197718516088FBDA406CFDFD7F033694E11E46F01C8F01E0E5AE6B09F6284691C7DD30A5BA8A74BA4B780198624B84BC8DAF6E0DFF874C0440ABB5C043C82E9E9C9E6F1A470B6A2A6BCEAC9460C43B1BB1331DF0FFD898DB74D22E8A71DB2659F1B0F52F337718D233DED611DA25AEAA90F3BE0C42FA9E541D0487DF58A77E2F44D295AD0C54C369CE260C969CA12F690EAAFAEEF8676C631AF29A3DE3389D3000B94EFA775E31FCA879AEB00A4D05EEF50D4C084A049EB12EF4CDFBD48E36B29CEAF8978D535D6C70BB274D1FEA02ABD521D2EF482A76326C17AF597FCB9B8BF37D9110E22AB0746D6A9779DF5133822E3F15");
+ Integer q0("0xF1515160E1BFC7636338C13AD5BA775318E287147A1F96B73CF0FB4D97EFFB9D1FCDCF31AB9D92C4F49C9F8D50F06E697D2313E2EBAC7781312A51F458D66FFC687960CAA86BDF150A36ED53D79FBDB4F501FD25E37C181B45F9555D7F1C6124CAB29A822AD1E7BF5DA93C2FDB12A61919B5E5359793CBB16E71516919040A7F");
+ Integer g0("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
+ p->dh = new DH(p0,q0,g0);
+ }
+ else {
+ Integer p0("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
+ Integer g0("0x12A567BC9ABCDEF1234567823BCDEF1E");
+ p->dh = new DH(p0,g0);
+ }
+
+ BYTE priv1[KEYSIZE]; // private key of 2048 bit
+ BYTE publ1[KEYSIZE+2]; // public key of 2048 bit + faetures field
+
+ memset(priv1,0,sizeof(priv1));
+ memset(publ1,0,sizeof(publ1));
+
+ AutoSeededRandomPool autorng;
+ p->dh->GenerateKeyPair(autorng, priv1, publ1);
+
+ SAFE_FREE(p->PubA);
+ p->PubA = (PBYTE) malloc(KEYSIZE);
+ memcpy(p->PubA,publ1,KEYSIZE);
+
+ SAFE_FREE(p->KeyA);
+ p->KeyA = (PBYTE) malloc(KEYSIZE);
+ memcpy(p->KeyA,priv1,KEYSIZE);
+
+ if (p->KeyP) {
+ // encrypt PUBLIC use PSK
+ string ciphered;
+ CFB_Mode<AES>::Encryption enc(p->KeyP,Tiger::DIGESTSIZE,IV);
+ StreamTransformationFilter cbcEncryptor(enc,new StringSink(ciphered));
+
+ cbcEncryptor.Put(publ1,KEYSIZE);
+ cbcEncryptor.MessageEnd();
+ memcpy(publ1,ciphered.data(),ciphered.length());
+#if defined(_DEBUG) || defined(NETLIB_LOG)
+ Sent_NetLog("cpp_init_keya: %d %d",KEYSIZE,ciphered.length());
+#endif
+ }
+ memcpy((PVOID)&publ1[KEYSIZE],(PVOID)&send_features,2);
+
+ SAFE_FREE(ptr->tmp);
+ if (ptr->mode & MODE_BASE64 || features & FEATURES_NEWPG)
+ ptr->tmp = base64encode((LPSTR)&publ1,KEYSIZE+2);
+ else
+ ptr->tmp = base16encode((LPSTR)&publ1,KEYSIZE+2);
+
+ return ptr->tmp;
+}
+
+
+// store KeyB
+int __cdecl cpp_init_keyb(HANDLE context, LPCSTR key) {
+
+ pCNTX ptr = get_context_on_id(context); if (!ptr) return 0;
+ pSIMDATA p = (pSIMDATA) cpp_alloc_pdata(ptr);
+
+ size_t clen = rtrim(key);
+ ptr->features = 0;
+
+ LPSTR pub_binary;
+ if ((clen==KEYSIZE*2) || (clen==(KEYSIZE+2)*2))
+ pub_binary = base16decode(key,&clen);
+ else
+ pub_binary = base64decode(key,&clen);
+
+ if ( !pub_binary || (clen!=KEYSIZE && clen!=KEYSIZE+2) ) {
+#if defined(_DEBUG) || defined(NETLIB_LOG)
+ Sent_NetLog("cpp_init_keyb: error bad_keyb");
+#endif
+ ptr->error = ERROR_BAD_KEYB;
+ SAFE_FREE(pub_binary);
+ return 0;
+ }
+
+ if (clen==KEYSIZE+2)
+ memcpy((PVOID)&ptr->features,(PVOID)(pub_binary+KEYSIZE),2);
+
+ if (p->KeyP) {
+ if (!(ptr->features & FEATURES_PSK)) { // if NO PSK on other side
+#if defined(_DEBUG) || defined(NETLIB_LOG)
+ Sent_NetLog("cpp_init_keyb: error no_psk");
+#endif
+ ptr->error = ERROR_NO_PSK;
+ return 0;
+ }
+ ptr->error = ERROR_BAD_PSK;
+ try {
+ // decrypt PUBLIC use PSK
+ string unciphered;
+ CFB_Mode<AES>::Decryption dec(p->KeyP,Tiger::DIGESTSIZE,IV);
+ StreamTransformationFilter cbcDecryptor(dec,new StringSink(unciphered));
+
+ cbcDecryptor.Put((PBYTE)pub_binary,KEYSIZE);
+ cbcDecryptor.MessageEnd();
+ memcpy(pub_binary,unciphered.data(),unciphered.length());
+ }
+ catch (...) {
+#if defined(_DEBUG) || defined(NETLIB_LOG)
+ Sent_NetLog("cpp_init_keyb: error bad_psk");
+#endif
+ return 0;
+ }
+ }
+
+ SAFE_FREE(p->KeyB);
+ p->KeyB = (PBYTE) pub_binary;
+
+ if (p->PubA && memcmp(p->PubA,p->KeyB,KEYSIZE)==0) {
+#if defined(_DEBUG) || defined(NETLIB_LOG)
+ Sent_NetLog("cpp_init_keyb: error bad_keyb keya==keyb");
+#endif
+ SAFE_FREE(p->KeyB);
+ ptr->error = ERROR_BAD_KEYB;
+ return 0;
+ }
+
+ ptr->error = ERROR_NONE;
+ return 1;
+}
+
+
+// calculate secret key, return true or false
+int __cdecl cpp_calc_keyx(HANDLE context) {
+
+ pCNTX ptr = get_context_on_id(context); if (!ptr) return 0;
+ pSIMDATA p = (pSIMDATA) cpp_alloc_pdata(ptr);
+
+ if (!p->KeyA) { ptr->error = ERROR_NO_KEYA; return 0; }
+ if (!p->KeyB) { ptr->error = ERROR_NO_KEYB; return 0; }
+ ptr->error = ERROR_NONE;
+
+ BYTE agreeVal[KEYSIZE];
+ memset(agreeVal,0,sizeof(agreeVal));
+
+ BYTE agr = p->dh->Agree(agreeVal, p->KeyA, p->KeyB, true); // calculate key
+ if (agr) {
+ // not needed anymore
+ SAFE_FREE(p->PubA);
+ SAFE_FREE(p->KeyA);
+ SAFE_FREE(p->KeyB);
+// SAFE_DELETE(p->dh);
+
+ BYTE buffer[Tiger::DIGESTSIZE]; // buffer for hash
+ memset(buffer,0,sizeof(buffer));
+
+ // do this only if key exchanged is ok
+ // we use a 192bit key (24*8)
+ Tiger().CalculateDigest(buffer, agreeVal, KEYSIZE); // calculate hash
+
+ // store key
+ SAFE_FREE(p->KeyX);
+ p->KeyX = (PBYTE) malloc(Tiger::DIGESTSIZE);
+ memcpy(p->KeyX,buffer,Tiger::DIGESTSIZE);
+ }
+ return (int)agr;
+}
+
+
+// create pre-shared key from password
+int __cdecl cpp_init_keyp(HANDLE context, LPCSTR password) {
+
+ pCNTX ptr = get_context_on_id(context); if (!ptr) return 0;
+ pSIMDATA p = (pSIMDATA) cpp_alloc_pdata(ptr);
+
+ BYTE buffer[Tiger::DIGESTSIZE]; // buffer for hash
+ memset(buffer,0,sizeof(buffer));
+
+ // calculate hash
+ Tiger().CalculateDigest(buffer,(PBYTE)password,strlen(password));
+
+ // store pre-shared key
+ SAFE_FREE(p->KeyP);
+ p->KeyP = (PBYTE) malloc(Tiger::DIGESTSIZE);
+ memcpy(p->KeyP,buffer,Tiger::DIGESTSIZE);
+
+ return 1;
+}
+
+
+// EOF
|