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      1 /*-
      2  * Copyright (c) 2009 The NetBSD Foundation, Inc.
      3  * All rights reserved.
      4  *
      5  * This code is derived from software contributed to The NetBSD Foundation
      6  * by Alistair Crooks (agc (at) netbsd.org)
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     27  * POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 #ifndef NETPGP_H_
     30 #define NETPGP_H_
     31 
     32 #ifndef __BEGIN_DECLS
     33 #  if defined(__cplusplus)
     34 #  define __BEGIN_DECLS           extern "C" {
     35 #  define __END_DECLS             }
     36 #  else
     37 #  define __BEGIN_DECLS
     38 #  define __END_DECLS
     39 #  endif
     40 #endif
     41 
     42 __BEGIN_DECLS
     43 
     44 /* structure used to hold (key,value) pair information */
     45 typedef struct {
     46 	unsigned	  c;		/* # of elements used */
     47 	unsigned	  size;		/* size of array */
     48 	char		**name;		/* key names */
     49 	char		**value;	/* value information */
     50 	void		 *pubring;	/* public key ring */
     51 	void		 *secring;	/* s3kr1t key ring */
     52 	void		 *io;		/* the io struct for results/errs */
     53 	void		 *passfp;	/* file pointer for password input */
     54 } netpgp_t;
     55 
     56 /* begin and end */
     57 int netpgp_init(netpgp_t *);
     58 int netpgp_end(netpgp_t *);
     59 
     60 /* debugging, reflection and information */
     61 int netpgp_set_debug(const char *);
     62 int netpgp_get_debug(const char *);
     63 const char *netpgp_get_info(const char *);
     64 int netpgp_list_packets(netpgp_t *, char *, int, char *);
     65 
     66 /* variables */
     67 int netpgp_setvar(netpgp_t *, const char *, const char *);
     68 char *netpgp_getvar(netpgp_t *, const char *);
     69 int netpgp_incvar(netpgp_t *, const char *, const int);
     70 int netpgp_unsetvar(netpgp_t *, const char *);
     71 
     72 /* set home directory information */
     73 int netpgp_set_homedir(netpgp_t *, char *, const char *, const int);
     74 
     75 /* key management */
     76 int netpgp_list_keys(netpgp_t *, const int);
     77 int netpgp_list_keys_json(netpgp_t *, char **, const int);
     78 int netpgp_find_key(netpgp_t *, char *);
     79 char *netpgp_get_key(netpgp_t *, const char *, const char *);
     80 char *netpgp_export_key(netpgp_t *, char *);
     81 int netpgp_import_key(netpgp_t *, char *);
     82 int netpgp_generate_key(netpgp_t *, char *, int);
     83 
     84 /* file management */
     85 int netpgp_encrypt_file(netpgp_t *, const char *, const char *, char *, int);
     86 int netpgp_decrypt_file(netpgp_t *, const char *, char *, int);
     87 int netpgp_sign_file(netpgp_t *, const char *, const char *, char *, int, int, int);
     88 int netpgp_verify_file(netpgp_t *, const char *, const char *, int);
     89 
     90 /* memory signing and encryption */
     91 int netpgp_sign_memory(netpgp_t *, const char *, char *, size_t, char *, size_t, const unsigned, const unsigned);
     92 int netpgp_verify_memory(netpgp_t *, const void *, const size_t, void *, size_t, const int);
     93 int netpgp_encrypt_memory(netpgp_t *, const char *, void *, const size_t, char *, size_t, int);
     94 int netpgp_decrypt_memory(netpgp_t *, const void *, const size_t, char *, size_t, const int);
     95 
     96 /* match and hkp-related functions */
     97 int netpgp_match_keys_json(netpgp_t *, char **, char *, const char *, const int);
     98 int netpgp_match_keys(netpgp_t *, char *, const char *, void *, const int);
     99 int netpgp_match_pubkeys(netpgp_t *, char *, void *);
    100 int netpgp_format_json(void *, const char *, const int);
    101 
    102 int netpgp_validate_sigs(netpgp_t *);
    103 
    104 /* save pgp key in ssh format */
    105 int netpgp_write_sshkey(netpgp_t *, char *, const char *, char *, size_t);
    106 
    107 
    108 __END_DECLS
    109 
    110 #endif /* !NETPGP_H_ */
    111