2 * linux/include/linux/sunrpc/gss_spkm3.h
4 * Copyright (c) 2000 The Regents of the University of Michigan.
7 * Andy Adamson <andros@umich.edu>
10 #include <linux/sunrpc/auth_gss.h>
11 #include <linux/sunrpc/gss_err.h>
12 #include <linux/sunrpc/gss_asn1.h>
15 struct xdr_netobj ctx_id; /* per message context id */
16 int endtime; /* endtime of the context */
17 struct xdr_netobj mech_used;
18 unsigned int ret_flags ;
19 struct xdr_netobj conf_alg;
20 struct xdr_netobj derived_conf_key;
21 struct xdr_netobj intg_alg;
22 struct xdr_netobj derived_integ_key;
25 /* OIDs declarations for K-ALG, I-ALG, C-ALG, and OWF-ALG */
26 extern const struct xdr_netobj hmac_md5_oid;
27 extern const struct xdr_netobj cast5_cbc_oid;
29 /* SPKM InnerContext Token types */
31 #define SPKM_ERROR_TOK 3
32 #define SPKM_MIC_TOK 4
33 #define SPKM_WRAP_TOK 5
34 #define SPKM_DEL_TOK 6
36 u32 spkm3_make_token(struct spkm3_ctx *ctx, struct xdr_buf * text, struct xdr_netobj * token, int toktype);
38 u32 spkm3_read_token(struct spkm3_ctx *ctx, struct xdr_netobj *read_token, struct xdr_buf *message_buffer, int toktype);
40 #define CKSUMTYPE_RSA_MD5 0x0007
41 #define CKSUMTYPE_HMAC_MD5 0x0008
43 s32 make_spkm3_checksum(s32 cksumtype, struct xdr_netobj *key, char *header,
44 unsigned int hdrlen, struct xdr_buf *body,
45 unsigned int body_offset, struct xdr_netobj *cksum);
46 void asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits);
47 int decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen,
49 void spkm3_mic_header(unsigned char **hdrbuf, unsigned int *hdrlen,
50 unsigned char *ctxhdr, int elen, int zbit);
51 void spkm3_make_mic_token(unsigned char **tokp, int toklen,
52 struct xdr_netobj *mic_hdr,
53 struct xdr_netobj *md5cksum, int md5elen, int md5zbit);
54 u32 spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen,
55 unsigned char **cksum);