/* * 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 */ #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);