Differences

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--- netmdocm [2010/06/09 07:35] – megadiscman
+++ netmdocm [2011/01/16 14:33] – nopsled
@@ Line 170: / Line 170: @@
 14 43EA428F71EE7B665D10752E85AB16E5A50C6249 ; MAC
 14 638163B82C4E31810FBEE01B2E7FC25B879586E3 ; Enc(CKEY) ? Offset 0x1E according to Jan (// key is at offset 0x1E! (OMGDecrypter.cpp)
 80 02 01 6B ; 17 (some time stamp)
 04 48C2298F
@@ Line 906: / Line 905: @@
 ===== maclist(1) =====
-/*
+XOR the SalOmgId with a constant key, expand that to a symmetric key and apply to the SHA-1 hash of MACLIST.  Compare the result with param3 and return 1 if they are equal.  In other words, param3 is a complicated hash of the MACLIST.
-Procedure prototype:
- maclist(01)
-Input:
-SalNonConstPointer const &,
-SalPointer const &,
-SalOmgId const &,
-long,
-SalExtrinsicsProg const &
-Output:
-long
-*/
 ===== Sample input: =====
@@ Line 948: / Line 931: @@
 } ;
-XOR the SalOmgId with a constant key, expand that to a symmetric key and apply to the SHA-1 hash of MACLIST.  Compare the result with param3 and return 1 if they are equal.  In other words, param3 is a complicated hash of the MACLIST.
 ===== maclist(8) =====
@@ Line 1514: / Line 1495: @@
 </code>
-===== icv.ocm Decompiled =====
-<code>
-//
-// Generate a SalOmgId
-//
-//   Example: 30 80 0410010F5000000400000000006E2B2A75BA 00 00
-//
-//   <OMG Directory>\OMGKEY\omg_id..dat
-//
-// Note: When OpenMG is used (trough the UI) for the first time this value is generated,
-//       by calling the salwrap function getSalOmgId.
-//
-//                   const unsigned __int8 *__cdecl getSalOmgId()
-//
-blob_t icv(07)
-{
- blob_t SalIdPRNG  = BCX_1C_GetPRNGBytes(5);
- static blob_t PrefixSalOmgId[8] = {0x01,0x0F,0x50,0x00,0x00,0x04,0x00,0x00};
- data = BCX_01_Concat(PrefixSalOmgId, SalIdPRNG);
- Push 1
- Pack_To_Array
- Create_Array
-}
-</code>
-===== maclist.ocm  =====
-// maclist(1)
-//
-// work in progress
-<code>
-int
-maclist_0x01(blob_t SalOmgId, blob_t maclist2dat, blob_t OmgIcvCache)
-{
-  static blob_t pad[16] = {0x20, 0xBE, 0xDE, 0x72, 0xA3, 0xB8, 0x62, 0x60,
-x71, 0x44, 0x3A, 0x33, 0xE9, 0xAC, 0x69, 0xCE};
-  static SHA1state, hash_maclist, hash_maclist_salomgid, xor_SalOmgId;
-  SHA1state             = BCX_19_InitSHA1();
-  BCX_1A_SHA1AddData(maclist, 0, SHA1state);
-  hash_maclist	        = BCX_1B_SHA1Finish(SHA1state);
-  xor_SalOmgId          = BCX_06_XorBlobs(SalOmgId, pad);
-  hash_maclist_salomgid = salenc_sha1(SalOmgId_xor, hash_maclist);
-  hash_maclist == hash_xorSalOmgId? TRUE: FALSE
-}
-</code>