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This commit is contained in:
Elena Subbotina
2024-07-29 21:58:34 +03:00
parent 0eb8c93cf9
commit af01306997
3 changed files with 68 additions and 34 deletions
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61
OfficeCryptReader/source/CryptTransform.cpp
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@ -305,8 +305,15 @@ _buf GenerateOdfKey(_buf & pSalt, _buf & pPassword, int keySize, int spin, CRYPT
{
_buf pKey (keySize);
_buf empty (NULL, 0, false);
_buf pPassword_hash;
_buf pPassword_hash = HashAppend(pPassword, empty, algorithm);
if (algorithm == CRYPT_METHOD::None)
{
pPassword_hash = pPassword; }
else
{
pPassword_hash = HashAppend(pPassword, empty, algorithm);
}
PKCS5_PBKDF2_HMAC<SHA1> pbkdf;
@ -819,36 +826,40 @@ void ECMADecryptor::Decrypt(unsigned char* data_inp, int size, unsigned char*& d
}
}
//-----------------------------------------------------------------------------------------------------------
void odfWriteProtect::SetPassword (const std::wstring &password_)
void ODFWriteProtect::SetPassword (const std::wstring &password_)
{
password = password_;
}
void odfWriteProtect::SetProtectKey (const std::string &key)
{
protect_key = key;
}
void odfWriteProtect::SetProtectAlgorithm (const CRYPT_METHOD::_hashAlgorithm &alg)
{
hash = alg;
}
void odfWriteProtect::Generate()
{
_buf pPassword (password);
_buf empty (NULL, 0, false);
_buf pHashTest = HashAppend(empty, pPassword, hash);
protect_key = std::string((char*)pHashTest.ptr, pHashTest.size);
}
bool odfWriteProtect::Verify()
void ODFWriteProtect::SetCryptData(_odfWriteProtectData &_data)
{
_buf pPassword (password);
_buf empty (NULL, 0, false);
_buf pHash (protect_key);
data = _data;
}
void ODFWriteProtect::GetCryptData(_odfWriteProtectData &_data)
{
_data = data;
}
_buf pHashTest = HashAppend(empty, pPassword, hash);
return (pHashTest == pHash);
void ODFWriteProtect::Generate()
{
std::string passw_ansi = std::string(password.begin(), password.end());
_buf pPassword (passw_ansi);
_buf pSalt (data.saltValue);
_buf pHash = GenerateOdfKey(pSalt, pPassword, 16, data.spinCount, CRYPT_METHOD::None);
data.hashValue = std::string((char*)pHash.ptr, pHash.size);
}
bool ODFWriteProtect::Verify()
{
std::string passw_ansi = std::string(password.begin(), password.end());
_buf pPassword (passw_ansi);
_buf pSalt (data.saltValue);
_buf pHash (data.hashValue);
_buf pHashTest = GenerateOdfKey(pSalt, pPassword, 16, data.spinCount, CRYPT_METHOD::None);
return (pHashTest == pHash);
}
//----------------------------------------------------------------------------------------------------------
void ECMAWriteProtect::SetPassword (const std::wstring &password_)