Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 129 insertions, 0 deletions

diff --git a/security/nss/lib/util/secdert.h b/security/nss/lib/util/secdert.h
new file mode 100644
index 0000000000..de67eafe12
--- /dev/null
+++ b/security/nss/lib/util/secdert.h
@@ -0,0 +1,129 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _SECDERT_H_
+#define _SECDERT_H_
+/*
+ * secdert.h - public data structures for the DER encoding and
+ *             decoding utilities library
+ */
+
+#include "utilrename.h"
+#include "seccomon.h"
+
+typedef struct DERTemplateStr DERTemplate;
+
+/*
+** An array of these structures defines an encoding for an object using DER.
+** The array usually starts with a dummy entry whose kind is DER_SEQUENCE;
+** such an array is terminated with an entry where kind == 0.  (An array
+** which consists of a single component does not require a second dummy
+** entry -- the array is only searched as long as previous component(s)
+** instruct it.)
+*/
+struct DERTemplateStr {
+    /*
+    ** Kind of item being decoded/encoded, including tags and modifiers.
+    */
+    unsigned long kind;
+
+    /*
+    ** Offset from base of structure to field that holds the value
+    ** being decoded/encoded.
+    */
+    unsigned int offset;
+
+    /*
+    ** When kind suggests it (DER_POINTER, DER_INDEFINITE, DER_INLINE),
+    ** this points to a sub-template for nested encoding/decoding.
+    */
+    DERTemplate *sub;
+
+    /*
+    ** Argument value, dependent on "kind" and/or template placement
+    ** within an array of templates:
+    **  - In the first element of a template array, the value is the
+    **    size of the structure to allocate when this template is being
+    **    referenced by another template via DER_POINTER or DER_INDEFINITE.
+    **  - In a component of a DER_SET or DER_SEQUENCE which is *not* a
+    **    DER_UNIVERSAL type (that is, it has a class tag for either
+    **    DER_APPLICATION, DER_CONTEXT_SPECIFIC, or DER_PRIVATE), the
+    **    value is the underlying type of item being decoded/encoded.
+    */
+    unsigned long arg;
+};
+
+/************************************************************************/
+
+/* default chunksize for arenas used for DER stuff */
+#define DER_DEFAULT_CHUNKSIZE (2048)
+
+/*
+** BER/DER values for ASN.1 identifier octets.
+*/
+#define DER_TAG_MASK 0xff
+
+/*
+ * BER/DER universal type tag numbers.
+ * The values are defined by the X.208 standard; do not change them!
+ * NOTE: if you add anything to this list, you must add code to derdec.c
+ * to accept the tag, and probably also to derenc.c to encode it.
+ */
+#define DER_TAGNUM_MASK 0x1f
+#define DER_BOOLEAN 0x01
+#define DER_INTEGER 0x02
+#define DER_BIT_STRING 0x03
+#define DER_OCTET_STRING 0x04
+#define DER_NULL 0x05
+#define DER_OBJECT_ID 0x06
+#define DER_SEQUENCE 0x10
+#define DER_SET 0x11
+#define DER_PRINTABLE_STRING 0x13
+#define DER_T61_STRING 0x14
+#define DER_IA5_STRING 0x16
+#define DER_UTC_TIME 0x17
+#define DER_VISIBLE_STRING 0x1a
+#define DER_HIGH_TAG_NUMBER 0x1f
+
+/*
+** Modifiers to type tags.  These are also specified by a/the
+** standard, and must not be changed.
+*/
+
+#define DER_METHOD_MASK 0x20
+#define DER_PRIMITIVE 0x00
+#define DER_CONSTRUCTED 0x20
+
+#define DER_CLASS_MASK 0xc0
+#define DER_UNIVERSAL 0x00
+#define DER_APPLICATION 0x40
+#define DER_CONTEXT_SPECIFIC 0x80
+#define DER_PRIVATE 0xc0
+
+/*
+** Our additions, used for templates.
+** These are not defined by any standard; the values are used internally only.
+** Just be careful to keep them out of the low 8 bits.
+*/
+#define DER_OPTIONAL 0x00100
+#define DER_EXPLICIT 0x00200
+#define DER_ANY 0x00400
+#define DER_INLINE 0x00800
+#define DER_POINTER 0x01000
+#define DER_INDEFINITE 0x02000
+#define DER_DERPTR 0x04000
+#define DER_SKIP 0x08000
+#define DER_FORCE 0x10000
+#define DER_OUTER 0x40000 /* for DER_DERPTR */
+
+/*
+** Macro to convert der decoded bit string into a decoded octet
+** string. All it needs to do is fiddle with the length code.
+*/
+#define DER_ConvertBitString(item)            \
+    {                                         \
+        (item)->len = ((item)->len + 7) >> 3; \
+    }
+
+#endif /* _SECDERT_H_ */