freebsd-skq/lib/libsecureboot/openpgp/decode.h
sjg 114933b262 Add libsecureboot
Used by loader and veriexec
Depends on libbearssl

Reviewed by:	emaste
Sponsored by:	Juniper Networks
Differential Revision:	D16335
2019-02-26 06:09:10 +00:00

58 lines
2.3 KiB
C

/*-
* Copyright (c) 2018, Juniper Networks, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* $FreeBSD$
*/
#ifdef USE_BEARSSL
unsigned char * mpi2bn(unsigned char **pptr, size_t *sz);
#else
# include <openssl/bn.h>
# include <openssl/rsa.h>
# include <openssl/evp.h>
BIGNUM * mpi2bn(unsigned char **pptr);
#endif
#define NEW(x) calloc(1,sizeof(x))
#define OPENPGP_TAG_ISTAG 0200
#define OPENPGP_TAG_ISNEW 0100
#define OPENPGP_TAG_NEW_MASK 0077
#define OPENPGP_TAG_OLD_MASK 0074
#define OPENPGP_TAG_OLD_TYPE 0003
typedef int (*decoder_t)(int, unsigned char **, int, void *);
unsigned char * i2octets(int n, size_t i);
int octets2i(unsigned char *ptr, size_t n);
char * octets2hex(unsigned char *ptr, size_t n);
int decode_tag(unsigned char *ptr, int *isnew, int *ltype);
unsigned char * decode_mpi(unsigned char **pptr, size_t *sz);
unsigned char * dearmor(char *pem, size_t nbytes, size_t *len);
int decode_packet(int want, unsigned char **pptr, size_t nbytes,
decoder_t decoder, void *decoder_arg);
unsigned char * decode_subpacket(unsigned char **pptr, int *stag, int *sz);