public MD(MDType type)
{
EVP_MD * md = null; // Statically allocated (MT), don't free
EVP_MD_CTX *handle = null;
if ((md = MD.GetMD(type)) == null)
{
throw new EVPException();
}
if ((handle = _MD.EVP_MD_CTX_create()) == null)
{
goto Bailout;
}
if (_MD.EVP_DigestInit_ex(handle, md, IntPtr.Zero) == 0)
{
goto Bailout;
}
this._handle = handle;
this._type = type;
return;
Bailout:
if (handle != null)
{
_MD.EVP_MD_CTX_destroy(handle);
}
throw new EVPException();
}
public void Dispose()
{
if (this._handle != null)
{
_MD.EVP_MD_CTX_destroy(this._handle);
}
this._handle = null;
}
public void Dispose()
{
if (this._handle != null)
_MD.EVP_MD_CTX_destroy(this._handle);
this._handle = null;
}
public MD(MDType type)
{
EVP_MD* md = null; // Statically allocated (MT), don't free
EVP_MD_CTX* handle = null;
if ((md = MD.GetMD(type)) == null)
throw new EVPException();
if ((handle = _MD.EVP_MD_CTX_create()) == null)
goto Bailout;
if (_MD.EVP_DigestInit_ex(handle, md, IntPtr.Zero) == 0)
goto Bailout;
this._handle = handle;
this._type = type;
return ;
Bailout:
if (handle != null)
_MD.EVP_MD_CTX_destroy(handle);
throw new EVPException();
}
public static extern int EVP_DigestFinal_ex(EVP_MD_CTX *handle, byte[] array, IntPtr psize);
public static extern int EVP_DigestUpdate(EVP_MD_CTX *handle, byte[] array, UIntPtr size);
public static extern int EVP_DigestInit_ex(EVP_MD_CTX *handle, EVP_MD *type, IntPtr engine);
public static extern EVP_MD *EVP_MD_CTX_md(EVP_MD_CTX *handle);
public static extern void EVP_MD_CTX_destroy(EVP_MD_CTX *handle);