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 qop; /* negotiated qop */
17 struct xdr_netobj mech_used;
18 unsigned int ret_flags ;
19 unsigned int req_flags ;
20 struct xdr_netobj share_key;
22 struct crypto_blkcipher *derived_conf_key;
24 struct crypto_blkcipher *derived_integ_key;
25 int keyestb_alg; /* alg used to get share_key */
26 int owf_alg; /* one way function */
29 /* from openssl/objects.h */
30 /* XXX need SEAL_ALG_NONE */
32 #define NID_dhKeyAgreement 28
33 #define NID_des_cbc 31
35 #define NID_cast5_cbc 108
37 /* SPKM InnerContext Token types */
39 #define SPKM_ERROR_TOK 3
40 #define SPKM_MIC_TOK 4
41 #define SPKM_WRAP_TOK 5
42 #define SPKM_DEL_TOK 6
44 u32 spkm3_make_token(struct spkm3_ctx *ctx, struct xdr_buf * text, struct xdr_netobj * token, int toktype);
46 u32 spkm3_read_token(struct spkm3_ctx *ctx, struct xdr_netobj *read_token, struct xdr_buf *message_buffer, int toktype);
48 #define CKSUMTYPE_RSA_MD5 0x0007
50 s32 make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
51 int body_offset, struct xdr_netobj *cksum);
52 void asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits);
53 int decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen,
55 void spkm3_mic_header(unsigned char **hdrbuf, unsigned int *hdrlen,
56 unsigned char *ctxhdr, int elen, int zbit);
57 void spkm3_make_mic_token(unsigned char **tokp, int toklen,
58 struct xdr_netobj *mic_hdr,
59 struct xdr_netobj *md5cksum, int md5elen, int md5zbit);
60 u32 spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen,
61 unsigned char **cksum);