2 * Copyright (c) 2018, Juniper Networks, Inc.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
14 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
15 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
16 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
17 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
19 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 unsigned char * mpi2bn(unsigned char **pptr, size_t *sz);
32 # include <openssl/bn.h>
33 # include <openssl/rsa.h>
34 # include <openssl/evp.h>
36 BIGNUM * mpi2bn(unsigned char **pptr);
39 #define NEW(x) calloc(1,sizeof(x))
41 #define OPENPGP_TAG_ISTAG 0200
42 #define OPENPGP_TAG_ISNEW 0100
43 #define OPENPGP_TAG_NEW_MASK 0077
44 #define OPENPGP_TAG_OLD_MASK 0074
45 #define OPENPGP_TAG_OLD_TYPE 0003
47 typedef int (*decoder_t)(int, unsigned char **, int, void *);
49 unsigned char * i2octets(int n, size_t i);
50 int octets2i(unsigned char *ptr, size_t n);
51 char * octets2hex(unsigned char *ptr, size_t n);
52 int decode_tag(unsigned char *ptr, int *isnew, int *ltype);
53 unsigned char * decode_mpi(unsigned char **pptr, size_t *sz);
54 unsigned char * dearmor(char *pem, size_t nbytes, size_t *len);
55 int decode_packet(int want, unsigned char **pptr, size_t nbytes,
56 decoder_t decoder, void *decoder_arg);
57 unsigned char * decode_subpacket(unsigned char **pptr, int *stag, int *sz);