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+.. _mozilla_projects_nss_reference_fc_decryptverifyupdate:
+
+FC_DecryptVerifyUpdate
+======================
+
+`Name <#name>`__
+~~~~~~~~~~~~~~~~
+
+.. container::
+
+   FC_DecryptVerifyUpdate - continue a multi-part decrypt and verify operation
+
+`Syntax <#syntax>`__
+~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   .. code:: eval
+
+      CK_RV FC_DecryptVerifyUpdate(
+        CK_SESSION_HANDLE hSession,
+        CK_BYTE_PTR pEncryptedData,
+        CK_ULONG ulEncryptedDataLen,
+        CK_BYTE_PTR pData,
+        CK_ULONG_PTR pulDataLen
+      );
+
+`Parameters <#parameters>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   ``hSession``
+      [in] session handle.
+   ``pEncryptedData``
+      [in] pointer to the encrypted data part.
+   ``ulEncryptedDataLen``
+      [in] length of encrypted data in bytes.
+   ``pData``
+      [in] pointer to the location which receives the recovered data part or NULL.
+   ``pulDataLen``
+      [in] pointer to the length of the recovered part buffer.
+
+`Description <#description>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   ``FC_DecryptVerifyUpdate`` continues a multi-part decryption and signature verification
+   operation. After calling both ``FC_DecryptInit`` and ``FC_VerifyInit`` to set up the operations
+   this function may be called multiple times. The operation is finished by calls to
+   ``FC_DecryptFinal`` and ``FC_VerifyFinal``.
+
+   A user must log into the token (to assume the NSS User role) before calling
+   ``FC_DecryptVerifyUpdate``.
+
+.. _return_value:
+
+`Return value <#return_value>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+`Examples <#examples>`__
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+.. _see_also:
+
+`See also <#see_also>`__
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   -  `NSC_DecryptVerifyUpdate </en-US/NSC_DecryptVerifyUpdate>`__
+\ No newline at end of file