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.. _mozilla_projects_nss_reference_fc_decryptdigestupdate:
FC_DecryptDigestUpdate
======================
`Name <#name>`__
~~~~~~~~~~~~~~~~
.. container::
FC_DecryptDigestUpdate - continue a multi-part decrypt and digest operation
`Syntax <#syntax>`__
~~~~~~~~~~~~~~~~~~~~
.. container::
.. code::
CK_RV FC_DecryptDigestUpdate(
CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pEncryptedPart,
CK_ULONG ulEncryptedPartLen,
CK_BYTE_PTR pPart,
CK_ULONG_PTR pulPartLen
);
`Parameters <#parameters>`__
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. container::
``hSession``
[in] session handle.
``pEncryptedPart``
[in] pointer to the encrypted data part.
``ulEncryptedPartLen``
[in] length of encrypted data in bytes.
``pPart``
[in] pointer to the location which receives the recovered data part or NULL.
``pulPartLen``
[in] pointer to the length of the recovered part buffer.
`Description <#description>`__
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. container::
``FC_DecryptDigestUpdate`` continues a multi-part decrypt and digest operation. After calling
both ``FC_DecryptInit`` and ``FC_DigestInit`` to set up the operations this function may be
called multiple times. The operation is finished by calls to ``FC_DigestFinal`` and
``FC_DecryptFinal``.
A user must log into the token (to assume the NSS User role) before calling
``FC_DecryptDigestUpdate``.
.. _return_value:
`Return value <#return_value>`__
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. container::
`Examples <#examples>`__
~~~~~~~~~~~~~~~~~~~~~~~~
.. container::
.. _see_also:
`See also <#see_also>`__
~~~~~~~~~~~~~~~~~~~~~~~~
.. container::
- `NSC_DecryptDigestUpdate </en-US/NSC_DecryptDigestUpdate>`__
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