nss/lib/util/secdert.h - Issue 2078763002: Delete bundled copy of NSS and replace with README.

Side by Side Diff: nss/lib/util/secdert.h

Issue 2078763002: Delete bundled copy of NSS and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/nss@master

Patch Set: Delete bundled copy of NSS and replace with README. Created 4 years, 6 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

OLD	NEW
	(Empty)
1 /* This Source Code Form is subject to the terms of the Mozilla Public

2 * License, v. 2.0. If a copy of the MPL was not distributed with this

3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

4

5 #ifndef _SECDERT_H_

6 #define _SECDERT_H_

7 /*

8 * secdert.h - public data structures for the DER encoding and

9 * decoding utilities library

10 */

11

12 #include "utilrename.h"

13 #include "seccomon.h"

14

15 typedef struct DERTemplateStr DERTemplate;

16

17 /*

18 ** An array of these structures defines an encoding for an object using DER.

19 ** The array usually starts with a dummy entry whose kind is DER_SEQUENCE;

20 ** such an array is terminated with an entry where kind == 0. (An array

21 ** which consists of a single component does not require a second dummy

22 ** entry -- the array is only searched as long as previous component(s)

23 ** instruct it.)

24 */

25 struct DERTemplateStr {

26 /*

27 ** Kind of item being decoded/encoded, including tags and modifiers.

28 */

29 unsigned long kind;

30

31 /*

32 ** Offset from base of structure to field that holds the value

33 ** being decoded/encoded.

34 */

35 unsigned int offset;

36

37 /*

38 ** When kind suggests it (DER_POINTER, DER_INDEFINITE, DER_INLINE),

39 ** this points to a sub-template for nested encoding/decoding.

40 */

41 DERTemplate *sub;

42

43 /*

44 ** Argument value, dependent on "kind" and/or template placement

45 ** within an array of templates:

46 ** - In the first element of a template array, the value is the

47 ** size of the structure to allocate when this template is being

48 ** referenced by another template via DER_POINTER or DER_INDEFINITE.

49 ** - In a component of a DER_SET or DER_SEQUENCE which is not a

50 ** DER_UNIVERSAL type (that is, it has a class tag for either

51 ** DER_APPLICATION, DER_CONTEXT_SPECIFIC, or DER_PRIVATE), the

52 ** value is the underlying type of item being decoded/encoded.

53 */

54 unsigned long arg;

55 };

56

57 /************************************************************************/

58

59 /* default chunksize for arenas used for DER stuff */

60 #define DER_DEFAULT_CHUNKSIZE (2048)

61

62 /*

63 ** BER/DER values for ASN.1 identifier octets.

64 */

65 #define DER_TAG_MASK 0xff

66

67 /*

68 * BER/DER universal type tag numbers.

69 * The values are defined by the X.208 standard; do not change them!

70 * NOTE: if you add anything to this list, you must add code to derdec.c

71 * to accept the tag, and probably also to derenc.c to encode it.

72 */

73 #define DER_TAGNUM_MASK 0x1f

74 #define DER_BOOLEAN 0x01

75 #define DER_INTEGER 0x02

76 #define DER_BIT_STRING 0x03

77 #define DER_OCTET_STRING 0x04

78 #define DER_NULL 0x05

79 #define DER_OBJECT_ID 0x06

80 #define DER_SEQUENCE 0x10

81 #define DER_SET 0x11

82 #define DER_PRINTABLE_STRING 0x13

83 #define DER_T61_STRING 0x14

84 #define DER_IA5_STRING 0x16

85 #define DER_UTC_TIME 0x17

86 #define DER_VISIBLE_STRING 0x1a

87 #define DER_HIGH_TAG_NUMBER 0x1f

88

89 /*

90 ** Modifiers to type tags. These are also specified by a/the

91 ** standard, and must not be changed.

92 */

93

94 #define DER_METHOD_MASK 0x20

95 #define DER_PRIMITIVE 0x00

96 #define DER_CONSTRUCTED 0x20

97

98 #define DER_CLASS_MASK 0xc0

99 #define DER_UNIVERSAL 0x00

100 #define DER_APPLICATION 0x40

101 #define DER_CONTEXT_SPECIFIC 0x80

102 #define DER_PRIVATE 0xc0

103

104 /*

105 ** Our additions, used for templates.

106 ** These are not defined by any standard; the values are used internally only.

107 ** Just be careful to keep them out of the low 8 bits.

108 */

109 #define DER_OPTIONAL 0x00100

110 #define DER_EXPLICIT 0x00200

111 #define DER_ANY 0x00400

112 #define DER_INLINE 0x00800

113 #define DER_POINTER 0x01000

114 #define DER_INDEFINITE 0x02000

115 #define DER_DERPTR 0x04000

116 #define DER_SKIP 0x08000

117 #define DER_FORCE 0x10000

118 #define DER_OUTER 0x40000 /* for DER_DERPTR */

119

120 /*

121 ** Macro to convert der decoded bit string into a decoded octet

122 ** string. All it needs to do is fiddle with the length code.

123 */

124 #define DER_ConvertBitString(item) \

125 { \

126 (item)->len = ((item)->len + 7) >> 3; \

127 }

128

129 #endif /* _SECDERT_H_ */

OLD	NEW

« no previous file with comments | « nss/lib/util/secder.h ('k') | nss/lib/util/secdig.h » ('j') | no next file with comments »