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Diffstat (limited to 'lib/libgssapi/gss_get_mic.3')
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diff --git a/lib/libgssapi/gss_get_mic.3 b/lib/libgssapi/gss_get_mic.3 new file mode 100644 index 0000000..b259f36 --- /dev/null +++ b/lib/libgssapi/gss_get_mic.3 @@ -0,0 +1,165 @@ +.\" -*- nroff -*- +.\" +.\" Copyright (c) 2005 Doug Rabson +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.\" The following commands are required for all man pages. +.Dd November 12, 2005 +.Os +.Dt GSS_GET_MIC 3 PRM +.Sh NAME +.Nm gss_get_mic , +.Nm gss_sign +.Nd Calculate a cryptographic message integrity code (MIC) for a +message; integrity service +.\" This next command is for sections 2 and 3 only. +.\" .Sh LIBRARY +.Sh SYNOPSIS +.In "gssapi/gssapi.h" +.Ft OM_uint32 +.Fo gss_get_mic +.Fa "OM_uint32 *minor_status" +.Fa "const gss_ctx_id_t context_handle" +.Fa "gss_qop_t qop_req" +.Fa "const gss_buffer_t message_buffer" +.Fa "gss_buffer_t msg_token" +.Fc +.Ft OM_uint32 +.Fo gss_sign +.Fa "OM_uint32 *minor_status" +.Fa "const gss_ctx_id_t context_handle" +.Fa "gss_qop_t qop_req" +.Fa "gss_buffer_t message_buffer" +.Fa "gss_buffer_t msg_token" +.Fc +.Sh DESCRIPTION +Generates a cryptographic MIC for the supplied message, +and places the MIC in a token for transfer to the peer application. +The +.Fa qop_req +parameter allows a choice between several cryptographic algorithms, +if supported by the chosen mechanism. +.Pp +Since some application-level protocols may wish to use tokens emitted +by +.Fn gss_wrap +to provide "secure framing", +implementations must support derivation of MICs from zero-length messages. +.Pp +The +.Fn gss_sign +routine is an obsolete variant of +.Fn gss_get_mic . +It is +provided for backwards +compatibility with applications using the GSS-API V1 interface. +A distinct entrypoint (as opposed to #define) is provided, +both to allow GSS-API V1 applications to link +and to retain the slight parameter type differences between the +obsolete versions of this routine and its current form. +.Sh PARAMETERS +.Bl -tag +.It minor_status +Mechanism specific status code. +.It context_handle +Identifies the context on which the message will be sent. +.It qop_req +Specifies requested quality of protection. +Callers are encouraged, on portability grounds, +to accept the default quality of protection offered by the chosen +mechanism, +which may be requested by specifying +.Dv GSS_C_QOP_DEFAULT +for this parameter. +If an unsupported protection strength is requested, +.Fn gss_get_mic +will return a +.Fa major_status +of +.Dv GSS_S_BAD_QOP . +.It message_buffer +Message to be protected. +.It msg_token +Buffer to receive token. +The application must free storage associated with this buffer after +use with a call to +.Fn gss_release_buffer . +.El +.Sh RETURN VALUES +.Bl -tag +.It GSS_S_COMPLETE +Successful completion +.It GSS_S_CONTEXT_EXPIRED +The context has already expired +.It GSS_S_NO_CONTEXT +The context_handle parameter did not identify a valid context +.It GSS_S_BAD_QOP +The specified QOP is not supported by the mechanism +.El +.Sh SEE ALSO +.Xr gss_wrap 3 , +.Xr gss_release_buffer 3 +.Sh STANDARDS +.Bl -tag +.It RFC 2743 +Generic Security Service Application Program Interface Version 2, Update 1 +.It RFC 2744 +Generic Security Service API Version 2 : C-bindings +.\" .Sh HISTORY +.El +.Sh HISTORY +The +.Nm +manual page example first appeared in +.Fx 7.0 . +.Sh AUTHORS +John Wray, Iris Associates +.Sh COPYRIGHT +Copyright (C) The Internet Society (2000). All Rights Reserved. +.Pp +This document and translations of it may be copied and furnished to +others, and derivative works that comment on or otherwise explain it +or assist in its implementation may be prepared, copied, published +and distributed, in whole or in part, without restriction of any +kind, provided that the above copyright notice and this paragraph are +included on all such copies and derivative works. However, this +document itself may not be modified in any way, such as by removing +the copyright notice or references to the Internet Society or other +Internet organizations, except as needed for the purpose of +developing Internet standards in which case the procedures for +copyrights defined in the Internet Standards process must be +followed, or as required to translate it into languages other than +English. +.Pp +The limited permissions granted above are perpetual and will not be +revoked by the Internet Society or its successors or assigns. +.Pp +This document and the information contained herein is provided on an +"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING +TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING +BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION +HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF +MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |