1 /*- 2 * Copyright (c) 2018, Juniper Networks, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 /* 26 */ 27 28 #ifdef USE_BEARSSL 29 unsigned char * mpi2bn(unsigned char **pptr, size_t *sz); 30 #else 31 # include <openssl/bn.h> 32 # include <openssl/rsa.h> 33 # include <openssl/evp.h> 34 35 BIGNUM * mpi2bn(unsigned char **pptr); 36 #endif 37 38 #define NEW(x) calloc(1,sizeof(x)) 39 40 #define OPENPGP_TAG_ISTAG 0200 41 #define OPENPGP_TAG_ISNEW 0100 42 #define OPENPGP_TAG_NEW_MASK 0077 43 #define OPENPGP_TAG_OLD_MASK 0074 44 #define OPENPGP_TAG_OLD_TYPE 0003 45 46 typedef int (*decoder_t)(int, unsigned char **, int, void *); 47 48 unsigned char * i2octets(int n, size_t i); 49 int octets2i(unsigned char *ptr, size_t n); 50 char * octets2hex(unsigned char *ptr, size_t n); 51 int decode_tag(unsigned char *ptr, int *isnew, int *ltype); 52 unsigned char * decode_mpi(unsigned char **pptr, size_t *sz); 53 unsigned char * dearmor(char *pem, size_t nbytes, size_t *len); 54 int decode_packet(int want, unsigned char **pptr, size_t nbytes, 55 decoder_t decoder, void *decoder_arg); 56 unsigned char * decode_subpacket(unsigned char **pptr, int *stag, int *sz); 57