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/* asn1.h
*
* Copyright (C) 2006-2020 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
/* asn1.h for openssl */
#ifndef WOLFSSL_ASN1_H_
#define WOLFSSL_ASN1_H_
#include <wolfssl/openssl/ssl.h>
#define ASN1_STRING_new wolfSSL_ASN1_STRING_new
#define ASN1_STRING_type_new wolfSSL_ASN1_STRING_type_new
#define ASN1_STRING_type wolfSSL_ASN1_STRING_type
#define ASN1_STRING_set wolfSSL_ASN1_STRING_set
#define ASN1_STRING_free wolfSSL_ASN1_STRING_free
#define V_ASN1_INTEGER 0x02
#define V_ASN1_OCTET_STRING 0x04 /* tag for ASN1_OCTET_STRING */
#define V_ASN1_NEG 0x100
#define V_ASN1_NEG_INTEGER (2 | V_ASN1_NEG)
#define V_ASN1_NEG_ENUMERATED (10 | V_ASN1_NEG)
/* Type for ASN1_print_ex */
# define ASN1_STRFLGS_ESC_2253 1
# define ASN1_STRFLGS_ESC_CTRL 2
# define ASN1_STRFLGS_ESC_MSB 4
# define ASN1_STRFLGS_ESC_QUOTE 8
# define ASN1_STRFLGS_UTF8_CONVERT 0x10
# define ASN1_STRFLGS_IGNORE_TYPE 0x20
# define ASN1_STRFLGS_SHOW_TYPE 0x40
# define ASN1_STRFLGS_DUMP_ALL 0x80
# define ASN1_STRFLGS_DUMP_UNKNOWN 0x100
# define ASN1_STRFLGS_DUMP_DER 0x200
# define ASN1_STRFLGS_RFC2253 (ASN1_STRFLGS_ESC_2253 | \
ASN1_STRFLGS_ESC_CTRL | \
ASN1_STRFLGS_ESC_MSB | \
ASN1_STRFLGS_UTF8_CONVERT | \
ASN1_STRFLGS_DUMP_UNKNOWN | \
ASN1_STRFLGS_DUMP_DER)
#define MBSTRING_UTF8 0x1000
#define MBSTRING_ASC 0x1001
#define MBSTRING_BMP 0x1002
#define MBSTRING_UNIV 0x1004
#define ASN1_UTCTIME_print wolfSSL_ASN1_UTCTIME_print
#define ASN1_TIME_check wolfSSL_ASN1_TIME_check
#define ASN1_TIME_diff wolfSSL_ASN1_TIME_diff
#define ASN1_TIME_set wolfSSL_ASN1_TIME_set
#define V_ASN1_OBJECT 6
#define V_ASN1_UTCTIME 23
#define V_ASN1_GENERALIZEDTIME 24
#define ASN1_STRING_FLAG_BITS_LEFT 0x008
#define ASN1_STRING_FLAG_NDEF 0x010
#define ASN1_STRING_FLAG_CONT 0x020
#define ASN1_STRING_FLAG_MSTRING 0x040
#define ASN1_STRING_FLAG_EMBED 0x080
WOLFSSL_API WOLFSSL_ASN1_INTEGER *wolfSSL_BN_to_ASN1_INTEGER(
const WOLFSSL_BIGNUM*, WOLFSSL_ASN1_INTEGER*);
WOLFSSL_API void wolfSSL_ASN1_TYPE_set(WOLFSSL_ASN1_TYPE *a, int type, void *value);
#ifdef OPENSSL_ALL
/* IMPLEMENT_ASN1_FUNCTIONS is strictly for external use only. Internally
* we don't use this. Some projects use OpenSSL to implement ASN1 types and
* this section is only to provide those projects with ASN1 functionality. */
typedef struct {
size_t offset; /* Offset of this field in structure */
byte type; /* The type of the member as defined in
* WOLFSSL_ASN1_TYPES */
} WOLFSSL_ASN1_TEMPLATE;
typedef struct {
byte type; /* One of the ASN_Tags types */
const WOLFSSL_ASN1_TEMPLATE *members; /* If SEQUENCE or CHOICE this
* contains the contents */
size_t mcount; /* Number of members if SEQUENCE
* or CHOICE */
size_t size; /* Structure size */
} WOLFSSL_ASN1_ITEM;
typedef enum {
WOLFSSL_X509_ALGOR_ASN1 = 0,
WOLFSSL_ASN1_BIT_STRING_ASN1,
} WOLFSSL_ASN1_TYPES;
#define ASN1_SEQUENCE(type) \
static const type __##type##_dummy_struct;\
static const WOLFSSL_ASN1_TEMPLATE type##_member_data[]
#define ASN1_SIMPLE(type, member, member_type) \
{ (char*)&__##type##_dummy_struct.member - (char*)&__##type##_dummy_struct, \
WOLFSSL_##member_type##_ASN1 }
#define ASN1_SEQUENCE_END(type) \
; \
const WOLFSSL_ASN1_ITEM type##_template_data = { \
ASN_SEQUENCE, \
type##_member_data, \
sizeof(type##_member_data) / sizeof(WOLFSSL_ASN1_TEMPLATE), \
sizeof(type) \
};
WOLFSSL_API void *wolfSSL_ASN1_item_new(const WOLFSSL_ASN1_ITEM *template);
WOLFSSL_API void wolfSSL_ASN1_item_free(void *val, const WOLFSSL_ASN1_ITEM *template);
WOLFSSL_API int wolfSSL_ASN1_item_i2d(const void *src, byte **dest,
const WOLFSSL_ASN1_ITEM *template);
/* Need function declaration otherwise compiler complains */
#define IMPLEMENT_ASN1_FUNCTIONS(type) \
type *type##_new(void); \
type *type##_new(void){ \
return (type*)wolfSSL_ASN1_item_new(&type##_template_data); \
} \
void type##_free(type *t); \
void type##_free(type *t){ \
wolfSSL_ASN1_item_free(t, &type##_template_data); \
} \
int i2d_##type(type *src, byte **dest); \
int i2d_##type(type *src, byte **dest) \
{ \
return wolfSSL_ASN1_item_i2d(src, dest, &type##_template_data);\
}
#endif /* OPENSSL_ALL */
#define BN_to_ASN1_INTEGER wolfSSL_BN_to_ASN1_INTEGER
#define ASN1_TYPE_set wolfSSL_ASN1_TYPE_set
#endif /* WOLFSSL_ASN1_H_ */
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