166 lines
5.8 KiB
C
166 lines
5.8 KiB
C
/*
|
|
* sc-asn1.h: ASN.1 header file
|
|
*
|
|
* Copyright (C) 2001 Juha Yrjölä <juha.yrjola@iki.fi>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _SC_ASN1_H
|
|
#define _SC_ASN1_H
|
|
|
|
#include "opensc.h"
|
|
#include "opensc-pkcs15.h"
|
|
|
|
struct sc_asn1_entry {
|
|
const char *name;
|
|
unsigned int type;
|
|
unsigned int tag;
|
|
unsigned int flags;
|
|
void *parm;
|
|
void *arg;
|
|
};
|
|
|
|
struct sc_asn1_pkcs15_object {
|
|
struct sc_pkcs15_common_obj_attr *com_attr;
|
|
struct sc_asn1_entry *asn1_class_attr;
|
|
struct sc_asn1_entry *asn1_subclass_attr;
|
|
struct sc_asn1_entry *asn1_type_attr;
|
|
};
|
|
|
|
/* Utility functions */
|
|
void sc_format_asn1_entry(struct sc_asn1_entry *entry, void *parm, void *arg,
|
|
int set_present);
|
|
void sc_copy_asn1_entry(const struct sc_asn1_entry *src,
|
|
struct sc_asn1_entry *dest);
|
|
|
|
/* DER tag and length parsing */
|
|
int sc_asn1_decode(struct sc_context *ctx, struct sc_asn1_entry *asn1,
|
|
const u8 *in, size_t len, const u8 **newp, size_t *left);
|
|
int sc_asn1_decode_choice(struct sc_context *ctx, struct sc_asn1_entry *asn1,
|
|
const u8 *in, size_t len, const u8 **newp, size_t *left);
|
|
int sc_asn1_encode(struct sc_context *ctx, const struct sc_asn1_entry *asn1,
|
|
u8 **buf, size_t *bufsize);
|
|
|
|
const u8 *sc_asn1_find_tag(struct sc_context *ctx, const u8 * buf,
|
|
size_t buflen, unsigned int tag, size_t *taglen);
|
|
const u8 *sc_asn1_verify_tag(struct sc_context *ctx, const u8 * buf,
|
|
size_t buflen, unsigned int tag, size_t *taglen);
|
|
const u8 *sc_asn1_skip_tag(struct sc_context *ctx, const u8 ** buf,
|
|
size_t *buflen, unsigned int tag, size_t *taglen);
|
|
|
|
/* DER encoding */
|
|
|
|
/* Argument 'ptr' is set to the location of the next possible ASN.1 object.
|
|
* If NULL, no action on 'ptr' is performed. */
|
|
int sc_asn1_put_tag(int tag, const u8 * data, int datalen, u8 * out, int outlen, u8 ** ptr);
|
|
|
|
/* ASN.1 printing functions */
|
|
void sc_asn1_print_tags(const u8 * buf, size_t buflen);
|
|
|
|
/* ASN.1 object decoding functions */
|
|
int sc_asn1_utf8string_to_ascii(const u8 * buf, size_t buflen,
|
|
u8 * outbuf, size_t outlen);
|
|
int sc_asn1_decode_bit_string(const u8 * inbuf, size_t inlen,
|
|
void *outbuf, size_t outlen);
|
|
/* non-inverting version */
|
|
int sc_asn1_decode_bit_string_ni(const u8 * inbuf, size_t inlen,
|
|
void *outbuf, size_t outlen);
|
|
int sc_asn1_decode_integer(const u8 * inbuf, size_t inlen, int *out);
|
|
int sc_asn1_decode_object_id(const u8 * inbuf, size_t inlen,
|
|
struct sc_object_id *id);
|
|
|
|
#define SC_ASN1_CLASS_MASK 0x30000000
|
|
#define SC_ASN1_UNI 0x00000000 /* Universal */
|
|
#define SC_ASN1_APP 0x10000000 /* Application */
|
|
#define SC_ASN1_CTX 0x20000000 /* Context */
|
|
#define SC_ASN1_PRV 0x30000000 /* Private */
|
|
#define SC_ASN1_CONS 0x01000000
|
|
|
|
#define SC_ASN1_TAG_MASK 0x00FFFFFF
|
|
|
|
#define SC_ASN1_PRESENT 0x00000001
|
|
#define SC_ASN1_OPTIONAL 0x00000002
|
|
#define SC_ASN1_ALLOC 0x00000004
|
|
|
|
#define SC_ASN1_BOOLEAN 1
|
|
#define SC_ASN1_INTEGER 2
|
|
#define SC_ASN1_BIT_STRING 3
|
|
#define SC_ASN1_BIT_STRING_NI 128
|
|
#define SC_ASN1_OCTET_STRING 4
|
|
#define SC_ASN1_NULL 5
|
|
#define SC_ASN1_OBJECT 6
|
|
#define SC_ASN1_ENUMERATED 10
|
|
#define SC_ASN1_UTF8STRING 12
|
|
#define SC_ASN1_SEQUENCE 16
|
|
#define SC_ASN1_SET 17
|
|
#define SC_ASN1_PRINTABLESTRING 19
|
|
#define SC_ASN1_UTCTIME 23
|
|
#define SC_ASN1_GENERALIZEDTIME 24
|
|
|
|
/* internal structures */
|
|
#define SC_ASN1_STRUCT 129
|
|
#define SC_ASN1_CHOICE 130
|
|
|
|
/* 'complex' structures */
|
|
#define SC_ASN1_PATH 256
|
|
#define SC_ASN1_PKCS15_ID 257
|
|
#define SC_ASN1_PKCS15_OBJECT 258
|
|
|
|
/* use callback function */
|
|
#define SC_ASN1_CALLBACK 384
|
|
|
|
#define ASN1_TAG_CLASS 0xC0
|
|
#define ASN1_TAG_UNIVERSAL 0x00
|
|
#define ASN1_TAG_APPLICATION 0x40
|
|
#define ASN1_TAG_CONTEXT 0x80
|
|
#define ASN1_TAG_PRIVATE 0xC0
|
|
|
|
#define ASN1_TAG_CONSTRUCTED 0x20
|
|
#define ASN1_TAG_PRIMITIVE 0x1F
|
|
|
|
#define ASN1_EOC 0
|
|
#define ASN1_BOOLEAN 1
|
|
#define ASN1_INTEGER 2
|
|
#define ASN1_NEG_INTEGER (2 | ASN1_NEG)
|
|
#define ASN1_BIT_STRING 3
|
|
#define ASN1_OCTET_STRING 4
|
|
#define ASN1_NULL 5
|
|
#define ASN1_OBJECT 6
|
|
#define ASN1_OBJECT_DESCRIPTOR 7
|
|
#define ASN1_EXTERNAL 8
|
|
#define ASN1_REAL 9
|
|
#define ASN1_ENUMERATED 10
|
|
#define ASN1_NEG_ENUMERATED (10 | ASN1_NEG)
|
|
#define ASN1_UTF8STRING 12
|
|
#define ASN1_SEQUENCE 16
|
|
#define ASN1_SET 17
|
|
#define ASN1_NUMERICSTRING 18
|
|
#define ASN1_PRINTABLESTRING 19
|
|
#define ASN1_T61STRING 20
|
|
#define ASN1_TELETEXSTRING 20
|
|
#define ASN1_VIDEOTEXSTRING 21
|
|
#define ASN1_IA5STRING 22
|
|
#define ASN1_UTCTIME 23
|
|
#define ASN1_GENERALIZEDTIME 24
|
|
#define ASN1_GRAPHICSTRING 25
|
|
#define ASN1_ISO64STRING 26
|
|
#define ASN1_VISIBLESTRING 26
|
|
#define ASN1_GENERALSTRING 27
|
|
#define ASN1_UNIVERSALSTRING 28
|
|
#define ASN1_BMPSTRING 30
|
|
|
|
#endif
|