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gss_get_mic(3gss) [sunos man page]

gss_get_mic(3GSS)				  Generic Security Services API Library Functions				 gss_get_mic(3GSS)

NAME
gss_get_mic - calculate a cryptographic message SYNOPSIS
cc -flag ... file ...-lgss [library ...] #include <gssapi/gssapi.h> OM_uint32 gss_get_mic(OM_uint32 *minor_status, const gss_ctx_id_t context_handle, gss_qop_t qop_req, const gss_buffer_t message_buffer, gss_buffer_t msg_token); DESCRIPTION
The gss_get_mic() function generates a cryptographic MIC for the supplied message, and places the MIC in a token for transfer to the peer application. The qop_req parameter allows a choice between several cryptographic algorithms, if supported by the chosen mechanism. Since some application-level protocols may wish to use tokens emitted by gss_wrap(3GSS) to provide secure framing, the GSS-API allows MICs to be derived from zero-length messages. PARAMETERS
The parameter descriptions for gss_get_mic() follow: minor_status The status code returned by the underlying mechanism. context_handle Identifies the context on which the message will be sent. qop_req Specifies the 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 GSS_C_QOP_DEFAULT for this parameter. If an unsupported protection strength is requested, gss_get_mic() will return a major_status of GSS_S_BAD_QOP. message_buffer The message to be protected. msg_token The buffer to receive the token. Storage associated with this message must be freed by the application after use with a call to gss_release_buffer(3GSS). ERRORS
gss_get_mic() may return the following status codes: GSS_S_COMPLETE Successful completion. GSS_S_CONTEXT_EXPIRED The context has already expired. GSS_S_NO_CONTEXT The context_handle parameter did not identify a valid context. GSS_S_BAD_QOP The specified QOP is not supported by the mechanism. GSS_S_FAILURE The underlying mechanism detected an error for which no specific GSS status code is defined. The mecha- nism-specific status code reported by means of the minor_status parameter details the error condition. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgss (32-bit) | +-----------------------------+-----------------------------+ | |SUNWgssx (64-bit) | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
gss_release_buffer(3GSS), gss_wrap(3GSS), attributes(5) Solaris Security for Developers Guide SunOS 5.10 14 Jan 2003 gss_get_mic(3GSS)

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gss_get_mic(3)								gss							    gss_get_mic(3)

NAME
gss_get_mic - API function SYNOPSIS
#include <gss.h> OM_uint32 gss_get_mic(OM_uint32 * minor_status, const gss_ctx_id_t context_handle, gss_qop_t qop_req, const gss_buffer_t message_buffer, gss_buffer_t message_token); ARGUMENTS
OM_uint32 * minor_status (Integer, modify) Mechanism specific status code. const gss_ctx_id_t context_handle (gss_ctx_id_t, read) Identifies the context on which the message will be sent. gss_qop_t qop_req (gss_qop_t, read, optional) 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 GSS_C_QOP_DEFAULT for this parameter. If an unsupported protection strength is requested, gss_get_mic will return a major_status of GSS_S_BAD_QOP. const gss_buffer_t message_buffer (buffer, opaque, read) Message to be protected. gss_buffer_t message_token (buffer, opaque, modify) Buffer to receive token. The application must free storage associated with this buffer after use with a call to gss_release_buffer(). DESCRIPTION
Generates a cryptographic MIC for the supplied message, and places the MIC in a token for transfer to the peer application. The qop_req parameter allows a choice between several cryptographic algorithms, if supported by the chosen mechanism. Since some application-level protocols may wish to use tokens emitted by gss_wrap() to provide "secure framing", implementations must sup- port derivation of MICs from zero-length messages. RETURN VALUE
`GSS_S_COMPLETE`: Successful completion. `GSS_S_CONTEXT_EXPIRED`: The context has already expired. `GSS_S_NO_CONTEXT`: The context_handle parameter did not identify a valid context. `GSS_S_BAD_QOP`: The specified QOP is not supported by the mechanism. REPORTING BUGS
Report bugs to <bug-gss@gnu.org>. GNU Generic Security Service home page: http://www.gnu.org/software/gss/ General help using GNU soft- ware: http://www.gnu.org/gethelp/ COPYRIGHT
Copyright (C) 2003-2011 Simon Josefsson. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. SEE ALSO
The full documentation for gss is maintained as a Texinfo manual. If the info and gss programs are properly installed at your site, the command info gss should give you access to the complete manual. gss 1.0.2 gss_get_mic(3)

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