internal SafeCryptoBlobIn(byte[] data)
: base(ownsHandle: true)
{
m_bufferSize = data.Length;
m_blob = SafeLocalFree.LocalAlloc(Marshal.SizeOf(typeof(NativeMethods.DATA_BLOB)));
handle = m_blob.DangerousGetHandle();
m_pbData = SafeLocalFree.LocalAlloc(data.Length);
Marshal.Copy(data, 0, m_pbData.DangerousGetHandle(), data.Length);
Marshal.StructureToPtr(new NativeMethods.DATA_BLOB
{
cbData = data.Length,
pbData = m_pbData.DangerousGetHandle()
}, handle, fDeleteOld: true);
}
internal void ZeroBuffer()
{
if (!IsInvalid && m_bufferSize > 0 && m_pbData != null)
{
Marshal.Copy(new byte[m_bufferSize], 0, m_pbData.DangerousGetHandle(), m_bufferSize);
}
}
internal static bool AllocateAndInitializeSid(byte nSubAuthorityCount, uint nSubAuthority0, uint nSubAuthority1, uint nSubAuthority2, uint nSubAuthority3, uint nSubAuthority4, uint nSubAuthority5, uint nSubAuthority6, uint nSubAuthority7, out SafeSidPtr pSid)
{
SafeLocalFree safeLocalFree = null;
try
{
SID_IDENTIFIER_AUTHORITY structure = default(SID_IDENTIFIER_AUTHORITY);
structure.m_Value0 = SECURITY_NT_AUTHORITY[0];
structure.m_Value1 = SECURITY_NT_AUTHORITY[1];
structure.m_Value2 = SECURITY_NT_AUTHORITY[2];
structure.m_Value3 = SECURITY_NT_AUTHORITY[3];
structure.m_Value4 = SECURITY_NT_AUTHORITY[4];
structure.m_Value5 = SECURITY_NT_AUTHORITY[5];
safeLocalFree = SafeLocalFree.LocalAlloc(Marshal.SizeOf(structure));
Marshal.StructureToPtr(structure, safeLocalFree.DangerousGetHandle(), fDeleteOld: true);
return(NativeMemoryMethods.AllocateAndInitializeSid(safeLocalFree, nSubAuthorityCount, nSubAuthority0, nSubAuthority1, nSubAuthority2, nSubAuthority3, nSubAuthority4, nSubAuthority5, nSubAuthority6, nSubAuthority7, out pSid));
}
finally
{
safeLocalFree?.Close();
}
}
internal SafeCryptoBlobOut()
: base(ownsHandle: true)
{
m_pBlob = SafeLocalFree.LocalAlloc(Marshal.SizeOf(typeof(NativeMethods.DATA_BLOB)));
handle = m_pBlob.DangerousGetHandle();
}