1/* 2 * linux/include/linux/sunrpc/gss_spkm3.h 3 * 4 * Copyright (c) 2000 The Regents of the University of Michigan. 5 * All rights reserved. 6 * 7 * Andy Adamson <andros@umich.edu> 8 */ 9 10#include <linux/sunrpc/auth_gss.h> 11#include <linux/sunrpc/gss_err.h> 12#include <linux/sunrpc/gss_asn1.h> 13 14struct spkm3_ctx { 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; 23}; 24 25/* OIDs declarations for K-ALG, I-ALG, C-ALG, and OWF-ALG */ 26extern const struct xdr_netobj hmac_md5_oid; 27extern const struct xdr_netobj cast5_cbc_oid; 28 29/* SPKM InnerContext Token types */ 30 31#define SPKM_ERROR_TOK 3 32#define SPKM_MIC_TOK 4 33#define SPKM_WRAP_TOK 5 34#define SPKM_DEL_TOK 6 35 36u32 spkm3_make_token(struct spkm3_ctx *ctx, struct xdr_buf * text, struct xdr_netobj * token, int toktype); 37 38u32 spkm3_read_token(struct spkm3_ctx *ctx, struct xdr_netobj *read_token, struct xdr_buf *message_buffer, int toktype); 39 40#define CKSUMTYPE_RSA_MD5 0x0007 41#define CKSUMTYPE_HMAC_MD5 0x0008 42 43s32 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); 46void asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits); 47int decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen, 48 int explen); 49void spkm3_mic_header(unsigned char **hdrbuf, unsigned int *hdrlen, 50 unsigned char *ctxhdr, int elen, int zbit); 51void spkm3_make_mic_token(unsigned char **tokp, int toklen, 52 struct xdr_netobj *mic_hdr, 53 struct xdr_netobj *md5cksum, int md5elen, int md5zbit); 54u32 spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen, 55 unsigned char **cksum); 56