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This commit is contained in:
Elena.Subbotina
2021-12-08 20:05:06 +03:00
parent 0756b8ff90
commit a707ded8b2
2 changed files with 10 additions and 6 deletions
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7
OfficeCryptReader/source/CryptTransform.cpp
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@ -1140,6 +1140,8 @@ int ECMAEncryptor::Encrypt(unsigned char* data_inp_ptr, int size, unsigned char*
unsigned char* data_inp = data_inp_ptr;
unsigned char* data_out = data_out_ptr + 8;
int result_size_out = 0;
if (cryptData.bAgile)
{
_buf pBlockKey ((unsigned char*)encrKeyValueBlockKey, 8);
@ -1204,7 +1206,7 @@ int ECMAEncryptor::Encrypt(unsigned char* data_inp_ptr, int size, unsigned char*
enc_size += sz; i++;
}
return enc_size + 8;
result_size_out = enc_size + 8;
}
else
{
@ -1221,8 +1223,9 @@ int ECMAEncryptor::Encrypt(unsigned char* data_inp_ptr, int size, unsigned char*
EncryptCipher(hashKey, empty, pInp, pOut, cryptData.cipherAlgorithm/*, StreamTransformationFilter::ZEROS_PADDING*/);
return size_out + 8;
result_size_out = size_out + 8;
}
return result_size_out;
}
//-----------------------------------------------------------------------------------------------------------
ODFDecryptor::ODFDecryptor()

9
OfficeCryptReader/source/ECMACryptFile.cpp
View File

@ -725,7 +725,7 @@ bool ECMACryptFile::EncryptOfficeFile(const std::wstring &file_name_inp, const s
_UINT64 lengthFileSize = file.GetFileSize();
DWORD lengthData = lengthFileSize, lengthDataRead = 0 ;
unsigned char* data = new unsigned char[lengthData];
unsigned char* data = new unsigned char[lengthData];
unsigned char* data_out = NULL;
file.ReadFile(data, lengthData, lengthDataRead);
@ -734,9 +734,10 @@ bool ECMACryptFile::EncryptOfficeFile(const std::wstring &file_name_inp, const s
lengthData = cryptor.Encrypt(data, lengthData, data_out);
delete[]data; data = NULL;
if (NULL == data_out)
{
delete []data;
return false;
}
cryptor.UpdateDataIntegrity(data_out, lengthData);
@ -910,7 +911,7 @@ bool ECMACryptFile::EncryptOfficeFile(const std::wstring &file_name_inp, const s
//
// if (decryptor.SetPassword(password))
// {
// unsigned char* data_out2 = NULL;
// unsigned char* data_out2 = NULL;
// decryptor.Decrypt(data_out, lengthData, data_out2, 0);
//
// bool bDataIntegrity = decryptor.CheckDataIntegrity(data_out, lengthData);
@ -1029,7 +1030,7 @@ bool ECMACryptFile::DecryptOfficeFile(const std::wstring &file_name_inp, const s
{
_UINT64 lengthData, lengthRead = pStream->size();
unsigned char* data = new unsigned char[lengthRead];
unsigned char* data = new unsigned char[lengthRead];
unsigned char* data_out = NULL;
int readTrue = pStream->read(data, lengthRead);