4a7eb74374
Add support for SAnon, a simple key agreement protocol that provides no authentication of initiator or acceptor using x25519 ECDH key exchange. See doc/standardization/draft-howard-gss-sanon-xx.txt for a protocol description.
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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* Copyright (c) 2019-2020, AuriStor, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "sanon_locl.h"
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OM_uint32 GSSAPI_CALLCONV
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_gss_sanon_delete_sec_context(OM_uint32 *minor,
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gss_ctx_id_t *context_handle,
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gss_buffer_t output_token)
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{
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sanon_ctx sc;
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*minor = 0;
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if (output_token != GSS_C_NO_BUFFER) {
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output_token->length = 0;
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output_token->value = NULL;
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}
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if (*context_handle == GSS_C_NO_CONTEXT)
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return GSS_S_COMPLETE;
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sc = (sanon_ctx)*context_handle;
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*context_handle = GSS_C_NO_CONTEXT;
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gss_delete_sec_context(minor, &sc->rfc4121, GSS_C_NO_BUFFER);
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memset_s(sc, sizeof(*sc), 0, sizeof(*sc));
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free(sc);
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return GSS_S_COMPLETE;
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}
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