diff options
| author | Rosemary <rosemaryseb8@gmail.com> | 2015-10-08 21:30:34 +0530 |
|---|---|---|
| committer | Markus Mohrhard <markus.mohrhard@googlemail.com> | 2015-10-08 20:32:51 +0200 |
| commit | f8371ae1e8ac5c3a9be898095508b333d550457d (patch) | |
| tree | 86352f5173c917e7819253f88878772d0235b461 /oox | |
| parent | eeba0f6db6775a459d64fb6a2e45c3bbdd451f41 (diff) | |
Generate random numbers for seed
Change-Id: I7527b0526a74c4d13036d58d904f2b7293c3463f
Diffstat (limited to 'oox')
| -rw-r--r-- | oox/source/ole/vbaexport.cxx | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/oox/source/ole/vbaexport.cxx b/oox/source/ole/vbaexport.cxx index 97d7295fc9b2..9d423f64bc72 100644 --- a/oox/source/ole/vbaexport.cxx +++ b/oox/source/ole/vbaexport.cxx @@ -370,7 +370,13 @@ VBAEncryption::VBAEncryption(const sal_uInt8* pData, const sal_uInt16 length, Sv ,mnVersionEnc(0) { if (!pSeed) - mnSeed = 0xBE; // sample seed value TODO:Generate random seed values + { + // mnSeed = 0xBE; + std::random_device rd; + std::mt19937 gen(rd()); + std::uniform_int_distribution<> dis(0, 255); + mnSeed = dis(gen); + } } void VBAEncryption::writeSeed() @@ -412,7 +418,7 @@ void VBAEncryption::writeIgnoredEnc() mnIgnoredLength = (mnSeed & 6) / 2; for(sal_Int32 i = 1; i <= mnIgnoredLength; ++i) { - sal_uInt8 nTempValue = 0xBE; // TODO:Generate a random value + sal_uInt8 nTempValue = 0xBE; // Any value can be assigned here sal_uInt8 nByteEnc = nTempValue ^ (mnEncryptedByte2 + mnUnencryptedByte1); exportHexString(mrEncryptedData, nByteEnc); mnEncryptedByte2 = mnEncryptedByte1; |