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1 .\" -*- nroff -*-
34 GSS-API Library (libgssapi, -lgssapi)
38 The Generic Security Service Application Programming Interface
42 Typically, GSS-API callers will be application protocols into which
44 provided by the GSS-API.
45 The GSS-API allows a caller application to authenticate a principal
46 identity associated with a peer application, to delegate rights to a
49 on a per-message basis.
51 There are four stages to using the GSS-API:
52 .Bl -tag -width "a)"
54 The application acquires a set of credentials with which it may prove
56 The application's credentials vouch for its global identity,
62 The security context is a pair of GSS-API data structures that contain
63 shared state information, which is required in order that per-message
76 similar to those used by the initiating application,
81 certain GSS-API calls will return a token data structure,
84 The caller of such a GSS-API routine is responsible for transferring
85 the token to the peer application,
86 encapsulated if necessary in an application protocol.
87 On receipt of such a token, the peer application should pass it to a
88 corresponding GSS-API routine which will decode the token and extract
92 Per-message services are invoked to apply either:
95 integrity and data origin authentication to application data,
96 which are treated by GSS-API as arbitrary octet-strings.
97 An application transmitting a message that it wishes to protect will
98 call the appropriate GSS-API routine (gss_get_mic or gss_wrap) to
101 and send the resulting token to the receiving application.
103 protected by gss_get_mic, the accompanying message-data) to the
109 each application calls a GSS-API routine to delete the security
115 .Sh GSS-API ROUTINES
116 This section lists the routines that make up the GSS-API,
119 GSS-API Credential-management Routines:
120 .Bl -tag -width "gss_inquire_cred_by_mech"
122 Assume a global identity; Obtain a GSS-API credential handle for
123 pre-existing credentials.
129 Obtain per-mechanism information about a credential.
134 GSS-API Context-Level Routines:
135 .Bl -tag -width "gss_inquire_cred_by_mech"
137 Initiate a security context with a peer application
139 Accept a security context initiated by a peer application
143 Process a token on a security context from a peer application
149 Determine token-size limit for
158 GSS-API Per-message Routines:
159 .Bl -tag -width "gss_inquire_cred_by_mech"
174 GSS-API Name manipulation Routines:
175 .Bl -tag -width "gss_inquire_cred_by_mech"
177 Convert a contiguous string name to internal-form
179 Convert internal-form name to text
181 Compare two internal-form names
183 Discard an internal-form name
185 List the name-types supported by the specified mechanism
187 List mechanisms that support the specified name-type
196 GSS-API Miscellaneous Routines
197 .Bl -tag -width "gss_inquire_cred_by_mech"
201 Convert a GSS-API status code to text
214 Individual GSS-API implementations may augment these routines by
215 providing additional mechanism-specific routines if required
220 .Bl -tag -width ".It RFC 2743"
222 Generic Security Service Application Program Interface Version 2, Update 1
224 Generic Security Service API Version 2 : C-bindings