gss_verify_mic man page on Tru64

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gss_verify_mic(3)					     gss_verify_mic(3)

NAME
       gss_verify_mic - Verify checksum of a message.

SYNOPSIS
       #include <gssapi/gssapi.h>

       OM_uint32 gss_verify_mic(
	       OM_uint32 * minor_status,
	       const gss_ctx_id_t context_handle,
	       const gss_buffer_t message_buffer,
	       const_gss_buffer_t token_buffer,
	       gss_qop_t * qop_state );

PARAMETERS
       Kerberos	 5 error code.	Security context that contains the session key
       used to verify the message and its checksum.  Message to	 be  verified.
       Buffer  containing  the	token  generated by gss_get_mic().  Quality of
       protection (QOP) provided. Specify NULL	if  this  information  is  not
       required.

	      gss_get_mic() contains more information about QOPs.

DESCRIPTION
       The gss_verify_mic() function verifies that the checksum fits the spec‐
       ified message. This function is used in conjunction with	 gss_get_mic()
       to  protect  messages  when they are transferred between an application
       and its peer.

       The qop_state parameter allows a message	 recipient  to	determine  the
       strength	 of protection applied to the message.	gss_get_mic() contains
       more information about QOPs.

					Note

       This function is a direct replacement  for  the	gss_verify()  function
       used in GSS-API version 1 compliant products, including the HP Applica‐
       tion Security Toolkit.

       If the function returns the GSS_S_COMPLETE  status,  the	 checksum  has
       been verified successfully.

       If  the	function  returns  GSS_S_FAILURE,  the	token  may  be out-of-
       sequence, old, or a replay. To check for these conditions in  the  sup‐
       plementary  information	fields, AND the major status code with a named
       identifier.

RETURN VALUES
       GSS_S_CALL_INACCESSIBLE_READ    01xxxxxx
       GSS_S_CALL_INACCESSIBLE_WRITE   02xxxxxx
       GSS_S_COMPLETE		       00000000
       GSS_S_DEFECTIVE_TOKEN	       xx09xxxx
       GSS_S_DUPLICATE_TOKEN	       xxxx0002
       GSS_S_FAILURE		       xx0Dxxxx
       GSS_S_NO_CONTEXT		       xx08xxxx
       GSS_S_OLD_TOKEN		       xxxx0004
       GSS_S_UNAVAILABLE	       xx10xxxx
       GSS_S_UNSEQ_TOKEN	       xxxx0008

SEE ALSO
       Functions:  gss_accept_sec_context(3),		       gss_get_mic(3),
       gss_init_sec_context(3), gss_release_buffer(3)

							     gss_verify_mic(3)
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