Mercurial > dropbear

annotate src/pk/asn1/der/sequence/der_decode_sequence_multi.c @ 280:59400faa4b44 libtomcrypt-orig libtomcrypt-1.05

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Re-import libtomcrypt 1.05 for cleaner propagating. From crypt-1.05.tar.bz2, SHA1 of 88250202bb51570dc64f7e8f1c943cda9479258f
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 12:58:00 +0000
parents
children d5faf4814ddb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
280
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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2 *
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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3 * LibTomCrypt is a library that provides various cryptographic
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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Matt Johnston <matt@ucc.asn.au>
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7 * guarantee it works.
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8 *
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9 * Tom St Denis, [email protected], http://libtomcrypt.org
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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10 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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11 #include "tomcrypt.h"
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12 #include <stdarg.h>
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13
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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14
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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15 /**
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Matt Johnston <matt@ucc.asn.au>
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16 @file der_decode_sequence_multi.c
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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17 ASN.1 DER, decode a SEQUENCE, Tom St Denis
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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18 */
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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19
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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20 #ifdef LTC_DER
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21
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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22 int der_decode_sequence_multi(const unsigned char *in, unsigned long inlen, ...)
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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23 {
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24 int err, type;
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25 unsigned long size, x;
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26 void *data;
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27 va_list args;
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28 ltc_asn1_list *list;
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29
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30 LTC_ARGCHK(in != NULL);
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31
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32 /* get size of output that will be required */
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33 va_start(args, inlen);
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34 x = 0;
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35 for (;;) {
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36 type = va_arg(args, int);
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37 size = va_arg(args, unsigned long);
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38 data = va_arg(args, void*);
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39
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40 if (type == LTC_ASN1_EOL) {
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41 break;
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Matt Johnston <matt@ucc.asn.au>
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42 }
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43
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44 switch (type) {
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45 case LTC_ASN1_INTEGER:
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Matt Johnston <matt@ucc.asn.au>
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46 case LTC_ASN1_SHORT_INTEGER:
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47 case LTC_ASN1_BIT_STRING:
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48 case LTC_ASN1_OCTET_STRING:
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49 case LTC_ASN1_NULL:
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Matt Johnston <matt@ucc.asn.au>
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50 case LTC_ASN1_OBJECT_IDENTIFIER:
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Matt Johnston <matt@ucc.asn.au>
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51 case LTC_ASN1_IA5_STRING:
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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52 case LTC_ASN1_PRINTABLE_STRING:
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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53 case LTC_ASN1_UTCTIME:
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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54 case LTC_ASN1_SEQUENCE:
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Matt Johnston <matt@ucc.asn.au>
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55 case LTC_ASN1_CHOICE:
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56 ++x;
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Matt Johnston <matt@ucc.asn.au>
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57 break;
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58
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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59 default:
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60 va_end(args);
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61 return CRYPT_INVALID_ARG;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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62 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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63 }
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64 va_end(args);
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65
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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66 /* allocate structure for x elements */
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67 if (x == 0) {
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68 return CRYPT_NOP;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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69 }
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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70
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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71 list = XCALLOC(sizeof(*list), x);
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72 if (list == NULL) {
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73 return CRYPT_MEM;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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74 }
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Matt Johnston <matt@ucc.asn.au>
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75
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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76 /* fill in the structure */
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77 va_start(args, inlen);
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78 x = 0;
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79 for (;;) {
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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80 type = va_arg(args, int);
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81 size = va_arg(args, unsigned long);
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82 data = va_arg(args, void*);
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83
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Matt Johnston <matt@ucc.asn.au>
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84 if (type == LTC_ASN1_EOL) {
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Matt Johnston <matt@ucc.asn.au>
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85 break;
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Matt Johnston <matt@ucc.asn.au>
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86 }
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87
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88 switch (type) {
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89 case LTC_ASN1_INTEGER:
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Matt Johnston <matt@ucc.asn.au>
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90 case LTC_ASN1_SHORT_INTEGER:
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Matt Johnston <matt@ucc.asn.au>
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91 case LTC_ASN1_BIT_STRING:
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Matt Johnston <matt@ucc.asn.au>
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diff changeset
92 case LTC_ASN1_OCTET_STRING:
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Matt Johnston <matt@ucc.asn.au>
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93 case LTC_ASN1_NULL:
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Matt Johnston <matt@ucc.asn.au>
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94 case LTC_ASN1_OBJECT_IDENTIFIER:
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Matt Johnston <matt@ucc.asn.au>
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95 case LTC_ASN1_IA5_STRING:
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Matt Johnston <matt@ucc.asn.au>
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96 case LTC_ASN1_PRINTABLE_STRING:
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
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diff changeset
97 case LTC_ASN1_UTCTIME:
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Matt Johnston <matt@ucc.asn.au>
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diff changeset
98 case LTC_ASN1_SEQUENCE:
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Matt Johnston <matt@ucc.asn.au>
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99 case LTC_ASN1_CHOICE:
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Matt Johnston <matt@ucc.asn.au>
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100 list[x].type = type;
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Matt Johnston <matt@ucc.asn.au>
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101 list[x].size = size;
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Matt Johnston <matt@ucc.asn.au>
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102 list[x++].data = data;
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Matt Johnston <matt@ucc.asn.au>
parents:
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103 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
104
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Matt Johnston <matt@ucc.asn.au>
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diff changeset
105 default:
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Matt Johnston <matt@ucc.asn.au>
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106 va_end(args);
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107 err = CRYPT_INVALID_ARG;
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Matt Johnston <matt@ucc.asn.au>
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108 goto LBL_ERR;
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Matt Johnston <matt@ucc.asn.au>
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109 }
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Matt Johnston <matt@ucc.asn.au>
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110 }
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111 va_end(args);
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parents:
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112
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113 err = der_decode_sequence(in, inlen, list, x);
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114 LBL_ERR:
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Matt Johnston <matt@ucc.asn.au>
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115 XFREE(list);
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Matt Johnston <matt@ucc.asn.au>
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116 return err;
59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
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117 }
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118
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Matt Johnston <matt@ucc.asn.au>
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119 #endif
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Matt Johnston <matt@ucc.asn.au>
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120
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121
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parents:
diff changeset
122 /* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/sequence/der_decode_sequence_multi.c,v $ */
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parents:
diff changeset
123 /* $Revision: 1.7 $ */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
124 /* $Date: 2005/06/18 19:20:23 $ */