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+.. _mozilla_projects_nss_reference_fc_verifyrecover:
+
+FC_VerifyRecover
+================
+
+`Name <#name>`__
+~~~~~~~~~~~~~~~~
+
+.. container::
+
+   FC_VerifyRecover - Verify data in a single recoverable operation.
+
+`Syntax <#syntax>`__
+~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   .. code::
+
+      CK_RV FC_VerifyRecover(
+        CK_SESSION_HANDLE hSession,
+        CK_BYTE_PTR pSignature,
+        CK_ULONG usSignatureLen,
+        CK_BYTE_PTR pData,
+        CK_ULONG_PTR pusDataLen
+      );
+
+`Parameters <#parameters>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   ``hSession``
+      [in] session handle.
+   ``pSignature``
+      [in] mechanism to be used for the signing operation.
+   ``usSignatureLen``
+      [in] handle of the key to be usedn.
+   ``pData``
+      [out] pointer to the buffer or NULL.
+   ``pusDataLen``
+      [in, out] pointer to the size of the output buffer, replaced by the length of the signature if
+      the operation is successful.
+
+`Description <#description>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   ``FC_VerifyRecover`` verifies data in a single operation where the (digest) data can be recovered
+   from the signature. If ``pSignature`` is NULL only the length of the signature is returned in
+   ``*pusSignatureLen``.
+
+   A user must log into the token (to assume the NSS User role) before calling ``FC_VerifyRecover``.
+
+.. _return_value:
+
+`Return value <#return_value>`__
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+`Examples <#examples>`__
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+.. _see_also:
+
+`See also <#see_also>`__
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. container::
+
+   -  `NSC_VerifyRecover </en-US/NSC_VerifyRecover>`__
+\ No newline at end of file