source: svn/trunk/newcon3bcm2_21bu/toolchain/mips-linux-uclibc/include/linux/sunrpc/gss_spkm3.h

/*
 *  linux/include/linux/sunrpc/gss_spkm3.h
 *
 *  Copyright (c) 2000 The Regents of the University of Michigan.
 *  All rights reserved.
 *
 *  Andy Adamson   <andros@umich.edu>
 */

#include <asm/types.h>

#include <linux/sunrpc/gss_asn1.h>

struct spkm3_ctx {
        struct xdr_netobj       ctx_id; /* per message context id */
        int                     qop;         /* negotiated qop */
        struct xdr_netobj       mech_used;
        unsigned int            ret_flags ;
        unsigned int            req_flags ;
        struct xdr_netobj       share_key;
        int                     conf_alg;
        struct crypto_tfm*      derived_conf_key;
        int                     intg_alg;
        struct crypto_tfm*      derived_integ_key;
        int                     keyestb_alg;   /* alg used to get share_key */
        int                     owf_alg;   /* one way function */
};

/* from openssl/objects.h */
/* XXX need SEAL_ALG_NONE */
#define NID_md5         4
#define NID_dhKeyAgreement      28 
#define NID_des_cbc             31 
#define NID_sha1                64
#define NID_cast5_cbc           108

/* SPKM InnerContext Token types */

#define SPKM_ERROR_TOK  3
#define SPKM_MIC_TOK    4
#define SPKM_WRAP_TOK   5
#define SPKM_DEL_TOK    6

__u32 spkm3_make_token(struct spkm3_ctx *ctx, int qop_req, struct xdr_buf * text, struct xdr_netobj * token, int toktype);

__u32 spkm3_read_token(struct spkm3_ctx *ctx, struct xdr_netobj *read_token, struct xdr_buf *message_buffer, int *qop_state, int toktype);

#define CKSUMTYPE_RSA_MD5            0x0007

__s32 make_checksum(__s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
                   struct xdr_netobj *cksum);
void asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits);
int decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen, 
                   int explen);
void spkm3_mic_header(unsigned char **hdrbuf, unsigned int *hdrlen, 
                   unsigned char *ctxhdr, int elen, int zbit);
void spkm3_make_mic_token(unsigned  char **tokp, int toklen, 
                   struct xdr_netobj *mic_hdr,
                   struct xdr_netobj *md5cksum, int md5elen, int md5zbit);
__u32 spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen, 
                   unsigned char **cksum);