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comparison nss/lib/util/secder.h @ 0:1e5118fa0cb1

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This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 10:47:06 +0200
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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 _SECDER_H_
6 #define _SECDER_H_
7
8 #include "utilrename.h"
9
10 /*
11 * secder.h - public data structures and prototypes for the DER encoding and
12 * decoding utilities library
13 */
14
15 #include <time.h>
16
17 #include "plarena.h"
18 #include "prlong.h"
19
20 #include "seccomon.h"
21 #include "secdert.h"
22 #include "prtime.h"
23
24 SEC_BEGIN_PROTOS
25
26 /*
27 ** Encode a data structure into DER.
28 ** "dest" will be filled in (and memory allocated) to hold the der
29 ** encoded structure in "src"
30 ** "t" is a template structure which defines the shape of the
31 ** stored data
32 ** "src" is a pointer to the structure that will be encoded
33 */
34 extern SECStatus DER_Encode(PLArenaPool *arena, SECItem *dest, DERTemplate *t,
35 void *src);
36
37 extern SECStatus DER_Lengths(SECItem *item, int *header_len_p,
38 PRUint32 *contents_len_p);
39
40 /*
41 ** Lower level der subroutine that stores the standard header into "to".
42 ** The header is of variable length, based on encodingLen.
43 ** The return value is the new value of "to" after skipping over the header.
44 ** "to" is where the header will be stored
45 ** "code" is the der code to write
46 ** "encodingLen" is the number of bytes of data that will follow
47 ** the header
48 */
49 extern unsigned char *DER_StoreHeader(unsigned char *to, unsigned int code,
50 PRUint32 encodingLen);
51
52 /*
53 ** Return the number of bytes it will take to hold a der encoded length.
54 */
55 extern int DER_LengthLength(PRUint32 len);
56
57 /*
58 ** Store a der encoded *signed* integer (whose value is "src") into "dst".
59 ** XXX This should really be enhanced to take a long.
60 */
61 extern SECStatus DER_SetInteger(PLArenaPool *arena, SECItem *dst, PRInt32 src);
62
63 /*
64 ** Store a der encoded *unsigned* integer (whose value is "src") into "dst".
65 ** XXX This should really be enhanced to take an unsigned long.
66 */
67 extern SECStatus DER_SetUInteger(PLArenaPool *arena, SECItem *dst, PRUint32 src);
68
69 /*
70 ** Decode a der encoded *signed* integer that is stored in "src".
71 ** If "-1" is returned, then the caller should check the error in
72 ** XP_GetError() to see if an overflow occurred (SEC_ERROR_BAD_DER).
73 */
74 extern long DER_GetInteger(const SECItem *src);
75
76 /*
77 ** Decode a der encoded *unsigned* integer that is stored in "src".
78 ** If the ULONG_MAX is returned, then the caller should check the error
79 ** in XP_GetError() to see if an overflow occurred (SEC_ERROR_BAD_DER).
80 */
81 extern unsigned long DER_GetUInteger(SECItem *src);
82
83 /*
84 ** Convert an NSPR time value to a der encoded time value.
85 ** "result" is the der encoded time (memory is allocated)
86 ** "time" is the NSPR time value (Since Jan 1st, 1970).
87 ** time must be on or after January 1, 1950, and
88 ** before January 1, 2050
89 ** The caller is responsible for freeing up the buffer which
90 ** result->data points to upon a successful operation.
91 */
92 extern SECStatus DER_TimeToUTCTime(SECItem *result, PRTime time);
93 extern SECStatus DER_TimeToUTCTimeArena(PLArenaPool* arenaOpt,
94 SECItem *dst, PRTime gmttime);
95
96
97 /*
98 ** Convert an ascii encoded time value (according to DER rules) into
99 ** an NSPR time value.
100 ** "result" the resulting NSPR time
101 ** "string" the der notation ascii value to decode
102 */
103 extern SECStatus DER_AsciiToTime(PRTime *result, const char *string);
104
105 /*
106 ** Same as DER_AsciiToTime except takes an SECItem instead of a string
107 */
108 extern SECStatus DER_UTCTimeToTime(PRTime *result, const SECItem *time);
109
110 /*
111 ** Convert a DER encoded UTC time to an ascii time representation
112 ** "utctime" is the DER encoded UTC time to be converted. The
113 ** caller is responsible for deallocating the returned buffer.
114 */
115 extern char *DER_UTCTimeToAscii(SECItem *utcTime);
116
117 /*
118 ** Convert a DER encoded UTC time to an ascii time representation, but only
119 ** include the day, not the time.
120 ** "utctime" is the DER encoded UTC time to be converted.
121 ** The caller is responsible for deallocating the returned buffer.
122 */
123 extern char *DER_UTCDayToAscii(SECItem *utctime);
124 /* same thing for DER encoded GeneralizedTime */
125 extern char *DER_GeneralizedDayToAscii(SECItem *gentime);
126 /* same thing for either DER UTCTime or GeneralizedTime */
127 extern char *DER_TimeChoiceDayToAscii(SECItem *timechoice);
128
129 /*
130 ** Convert a PRTime to a DER encoded Generalized time
131 ** gmttime must be on or after January 1, year 1 and
132 ** before January 1, 10000.
133 */
134 extern SECStatus DER_TimeToGeneralizedTime(SECItem *dst, PRTime gmttime);
135 extern SECStatus DER_TimeToGeneralizedTimeArena(PLArenaPool* arenaOpt,
136 SECItem *dst, PRTime gmttime);
137
138 /*
139 ** Convert a DER encoded Generalized time value into an NSPR time value.
140 ** "dst" the resulting NSPR time
141 ** "string" the der notation ascii value to decode
142 */
143 extern SECStatus DER_GeneralizedTimeToTime(PRTime *dst, const SECItem *time);
144
145 /*
146 ** Convert from a PRTime UTC time value to a formatted ascii value. The
147 ** caller is responsible for deallocating the returned buffer.
148 */
149 extern char *CERT_UTCTime2FormattedAscii (PRTime utcTime, char *format);
150 #define CERT_GeneralizedTime2FormattedAscii CERT_UTCTime2FormattedAscii
151
152 /*
153 ** Convert from a PRTime Generalized time value to a formatted ascii value. The
154 ** caller is responsible for deallocating the returned buffer.
155 */
156 extern char *CERT_GenTime2FormattedAscii (PRTime genTime, char *format);
157
158 /*
159 ** decode a SECItem containing either a SEC_ASN1_GENERALIZED_TIME
160 ** or a SEC_ASN1_UTC_TIME
161 */
162
163 extern SECStatus DER_DecodeTimeChoice(PRTime* output, const SECItem* input);
164
165 /* encode a PRTime to an ASN.1 DER SECItem containing either a
166 SEC_ASN1_GENERALIZED_TIME or a SEC_ASN1_UTC_TIME */
167
168 extern SECStatus DER_EncodeTimeChoice(PLArenaPool* arena, SECItem* output,
169 PRTime input);
170
171 SEC_END_PROTOS
172
173 #endif /* _SECDER_H_ */
174
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