| /* |
| * Copyright 2020 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #ifndef OSSL_INTERNAL_DER_H |
| # define OSSL_INTERNAL_DER_H |
| # pragma once |
| |
| # include <openssl/bn.h> |
| # include "internal/packet.h" |
| |
| /* |
| * NOTE: X.690 numbers the identifier octet bits 1 to 8. |
| * We use the same numbering in comments here. |
| */ |
| |
| /* Well known primitive tags */ |
| |
| /* |
| * DER UNIVERSAL tags, occupying bits 1-5 in the DER identifier byte |
| * These are only valid for the UNIVERSAL class. With the other classes, |
| * these bits have a different meaning. |
| */ |
| # define DER_P_EOC 0 /* BER End Of Contents tag */ |
| # define DER_P_BOOLEAN 1 |
| # define DER_P_INTEGER 2 |
| # define DER_P_BIT_STRING 3 |
| # define DER_P_OCTET_STRING 4 |
| # define DER_P_NULL 5 |
| # define DER_P_OBJECT 6 |
| # define DER_P_OBJECT_DESCRIPTOR 7 |
| # define DER_P_EXTERNAL 8 |
| # define DER_P_REAL 9 |
| # define DER_P_ENUMERATED 10 |
| # define DER_P_UTF8STRING 12 |
| # define DER_P_SEQUENCE 16 |
| # define DER_P_SET 17 |
| # define DER_P_NUMERICSTRING 18 |
| # define DER_P_PRINTABLESTRING 19 |
| # define DER_P_T61STRING 20 |
| # define DER_P_VIDEOTEXSTRING 21 |
| # define DER_P_IA5STRING 22 |
| # define DER_P_UTCTIME 23 |
| # define DER_P_GENERALIZEDTIME 24 |
| # define DER_P_GRAPHICSTRING 25 |
| # define DER_P_ISO64STRING 26 |
| # define DER_P_GENERALSTRING 27 |
| # define DER_P_UNIVERSALSTRING 28 |
| # define DER_P_BMPSTRING 30 |
| |
| /* DER Flags, occupying bit 6 in the DER identifier byte */ |
| # define DER_F_PRIMITIVE 0x00 |
| # define DER_F_CONSTRUCTED 0x20 |
| |
| /* DER classes tags, occupying bits 7-8 in the DER identifier byte */ |
| # define DER_C_UNIVERSAL 0x00 |
| # define DER_C_APPLICATION 0x40 |
| # define DER_C_CONTEXT 0x80 |
| # define DER_C_PRIVATE 0xC0 |
| |
| /* |
| * Run-time constructors. |
| * |
| * They all construct DER backwards, so care should be taken to use them |
| * that way. |
| */ |
| |
| /* This can be used for all items that don't have a context */ |
| # define DER_NO_CONTEXT -1 |
| |
| int ossl_DER_w_precompiled(WPACKET *pkt, int tag, |
| const unsigned char *precompiled, |
| size_t precompiled_n); |
| |
| int ossl_DER_w_boolean(WPACKET *pkt, int tag, int b); |
| int ossl_DER_w_ulong(WPACKET *pkt, int tag, unsigned long v); |
| int ossl_DER_w_bn(WPACKET *pkt, int tag, const BIGNUM *v); |
| int ossl_DER_w_null(WPACKET *pkt, int tag); |
| int ossl_DER_w_octet_string(WPACKET *pkt, int tag, |
| const unsigned char *data, size_t data_n); |
| int ossl_DER_w_octet_string_uint32(WPACKET *pkt, int tag, uint32_t value); |
| |
| /* |
| * All constructors for constructed elements have a begin and a end function |
| */ |
| int ossl_DER_w_begin_sequence(WPACKET *pkt, int tag); |
| int ossl_DER_w_end_sequence(WPACKET *pkt, int tag); |
| |
| #endif |