2 Copyright (c) 2004-2006 The Regents of the University of Michigan.
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions
9 1. Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
11 2. Redistributions in binary form must reproduce the above copyright
12 notice, this list of conditions and the following disclaimer in the
13 documentation and/or other materials provided with the distribution.
14 3. Neither the name of the University nor the names of its
15 contributors may be used to endorse or promote products derived
16 from this software without specific prior written permission.
18 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
19 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
20 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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24 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
25 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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36 /* Hopefully big enough to hold any serialized context */
37 #define MAX_CTX_LEN 4096
39 /* New context format flag values */
40 #define KRB5_CTX_FLAG_INITIATOR 0x00000001
41 #define KRB5_CTX_FLAG_CFX 0x00000002
42 #define KRB5_CTX_FLAG_ACCEPTOR_SUBKEY 0x00000004
44 #if HAVE_KRB5INT_DERIVE_KEY
45 /* Taken from crypto_int.h */
47 DERIVE_RFC3961, /* RFC 3961 section 5.1 */
49 DERIVE_SP800_108_CMAC, /* NIST SP 800-108 with CMAC as PRF */
53 #ifdef HAVE_AES_SHA2_SUPPORT
54 extern krb5_error_code krb5int_derive_key(const void *enc,
56 krb5_key inkey, krb5_key *outkey,
57 const krb5_data *in_constant,
59 #define ll_krb5int_derive_key(enc, inkey, outkey, in_constant, alg) \
60 krb5int_derive_key((enc), (NULL), (inkey), (outkey), (in_constant), \
63 extern krb5_error_code krb5int_derive_key(const void *enc,
64 krb5_key inkey, krb5_key *outkey,
65 const krb5_data *in_constant,
67 #define ll_krb5int_derive_key(enc, inkey, outkey, in_constant, alg) \
68 krb5int_derive_key((enc), (inkey), (outkey), (in_constant), (alg))
70 extern krb5_error_code krb5_k_create_key(krb5_context context,
71 const krb5_keyblock *key_data,
73 #else /* !HAVE_KRB5INT_DERIVE_KEY */
75 extern krb5_error_code krb5_derive_key(const void *enc,
76 const krb5_keyblock *inkey,
77 krb5_keyblock *outkey,
78 const krb5_data *in_constant);
81 int serialize_context_for_kernel(gss_ctx_id_t ctx, gss_buffer_desc *buf,
83 int serialize_spkm3_ctx(gss_ctx_id_t ctx, gss_buffer_desc *buf);
84 int serialize_krb5_ctx(gss_ctx_id_t ctx, gss_buffer_desc *buf);
86 #endif /* _CONTEXT_H_ */