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-rw-r--r--NorthstarDLL/include/internal/der.h88
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diff --git a/NorthstarDLL/include/internal/der.h b/NorthstarDLL/include/internal/der.h
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+/*
+ * 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);