56 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 *  linux/include/linux/sunrpc/gss_spkm3.h
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 *
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 *  Copyright (c) 2000 The Regents of the University of Michigan.
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 *  All rights reserved.
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 *
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 *  Andy Adamson   <andros@umich.edu>
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 */
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#include <linux/sunrpc/auth_gss.h>
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#include <linux/sunrpc/gss_err.h>
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#include <linux/sunrpc/gss_asn1.h>
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struct spkm3_ctx {
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	struct xdr_netobj	ctx_id;  /* per message context id */
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	int			endtime; /* endtime of the context */
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	struct xdr_netobj	mech_used;
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	unsigned int		ret_flags ;
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	struct xdr_netobj	conf_alg;
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	struct xdr_netobj	derived_conf_key;
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	struct xdr_netobj	intg_alg;
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	struct xdr_netobj 	derived_integ_key;
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};
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/* OIDs declarations for K-ALG, I-ALG, C-ALG, and OWF-ALG */
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extern const struct xdr_netobj hmac_md5_oid;
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extern const struct xdr_netobj cast5_cbc_oid;
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/* SPKM InnerContext Token types */
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#define SPKM_ERROR_TOK	3
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#define SPKM_MIC_TOK	4
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#define SPKM_WRAP_TOK	5
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#define SPKM_DEL_TOK	6
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u32 spkm3_make_token(struct spkm3_ctx *ctx, struct xdr_buf * text, struct xdr_netobj * token, int toktype);
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u32 spkm3_read_token(struct spkm3_ctx *ctx, struct xdr_netobj *read_token, struct xdr_buf *message_buffer, int toktype);
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#define CKSUMTYPE_RSA_MD5            0x0007
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#define CKSUMTYPE_HMAC_MD5           0x0008
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s32 make_spkm3_checksum(s32 cksumtype, struct xdr_netobj *key, char *header,
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		unsigned int hdrlen, struct xdr_buf *body,
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		unsigned int body_offset, struct xdr_netobj *cksum);
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void asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits);
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int decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen,
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                   int explen);
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void spkm3_mic_header(unsigned char **hdrbuf, unsigned int *hdrlen, 
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                   unsigned char *ctxhdr, int elen, int zbit);
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void spkm3_make_mic_token(unsigned  char **tokp, int toklen, 
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                   struct xdr_netobj *mic_hdr,
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                   struct xdr_netobj *md5cksum, int md5elen, int md5zbit);
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u32 spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen, 
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                   unsigned char **cksum);
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