/* * 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 <linux/sunrpc/auth_gss.h> #include <linux/sunrpc/gss_err.h> #include <linux/sunrpc/gss_asn1.h> struct spkm3_ctx { struct xdr_netobj ctx_id; /* per message context id */ int endtime; /* endtime of the context */ struct xdr_netobj mech_used; unsigned int ret_flags ; struct xdr_netobj conf_alg; struct xdr_netobj derived_conf_key; struct xdr_netobj intg_alg; struct xdr_netobj derived_integ_key; }; /* OIDs declarations for K-ALG, I-ALG, C-ALG, and OWF-ALG */ extern const struct xdr_netobj hmac_md5_oid; extern const struct xdr_netobj cast5_cbc_oid; /* 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, 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 toktype); #define CKSUMTYPE_RSA_MD5 0x0007 #define CKSUMTYPE_HMAC_MD5 0x0008 s32 make_spkm3_checksum(s32 cksumtype, struct xdr_netobj *key, char *header, unsigned int hdrlen, struct xdr_buf *body, unsigned int body_offset, 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);