Mercurial > dropbear
annotate libtomcrypt/src/pk/asn1/der/sequence/der_decode_sequence_multi.c @ 913:6e2aa862e167
The arguments are for configure, not make!
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 07 Mar 2014 20:52:57 +0800 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
rev | line source |
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
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2 * |
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3 * LibTomCrypt is a library that provides various cryptographic |
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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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7 * guarantee it works. |
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8 * |
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9 * Tom St Denis, [email protected], http://libtomcrypt.com |
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10 */ |
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11 #include "tomcrypt.h" |
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12 #include <stdarg.h> |
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13 |
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14 |
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15 /** |
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16 @file der_decode_sequence_multi.c |
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17 ASN.1 DER, decode a SEQUENCE, Tom St Denis |
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18 */ |
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19 |
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20 #ifdef LTC_DER |
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21 |
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22 /** |
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23 Decode a SEQUENCE type using a VA list |
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24 @param in Input buffer |
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25 @param inlen Length of input in octets |
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26 @remark <...> is of the form <type, size, data> (int, unsigned long, void*) |
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27 @return CRYPT_OK on success |
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28 */ |
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29 int der_decode_sequence_multi(const unsigned char *in, unsigned long inlen, ...) |
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30 { |
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31 int err, type; |
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32 unsigned long size, x; |
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33 void *data; |
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34 va_list args; |
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35 ltc_asn1_list *list; |
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36 |
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37 LTC_ARGCHK(in != NULL); |
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38 |
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39 /* get size of output that will be required */ |
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40 va_start(args, inlen); |
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41 x = 0; |
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42 for (;;) { |
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43 type = va_arg(args, int); |
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44 size = va_arg(args, unsigned long); |
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45 data = va_arg(args, void*); |
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46 |
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47 if (type == LTC_ASN1_EOL) { |
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48 break; |
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49 } |
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50 |
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51 switch (type) { |
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52 case LTC_ASN1_BOOLEAN: |
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53 case LTC_ASN1_INTEGER: |
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54 case LTC_ASN1_SHORT_INTEGER: |
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55 case LTC_ASN1_BIT_STRING: |
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56 case LTC_ASN1_OCTET_STRING: |
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57 case LTC_ASN1_NULL: |
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58 case LTC_ASN1_OBJECT_IDENTIFIER: |
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59 case LTC_ASN1_IA5_STRING: |
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60 case LTC_ASN1_PRINTABLE_STRING: |
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61 case LTC_ASN1_UTF8_STRING: |
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62 case LTC_ASN1_UTCTIME: |
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63 case LTC_ASN1_SET: |
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64 case LTC_ASN1_SETOF: |
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65 case LTC_ASN1_SEQUENCE: |
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66 case LTC_ASN1_CHOICE: |
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67 ++x; |
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68 break; |
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69 |
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70 default: |
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71 va_end(args); |
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72 return CRYPT_INVALID_ARG; |
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73 } |
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74 } |
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75 va_end(args); |
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76 |
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77 /* allocate structure for x elements */ |
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78 if (x == 0) { |
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79 return CRYPT_NOP; |
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80 } |
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81 |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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82 list = XCALLOC(sizeof(*list), x); |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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83 if (list == NULL) { |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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84 return CRYPT_MEM; |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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85 } |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
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86 |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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87 /* fill in the structure */ |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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88 va_start(args, inlen); |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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89 x = 0; |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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90 for (;;) { |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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91 type = va_arg(args, int); |
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Matt Johnston <matt@ucc.asn.au>
parents:
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92 size = va_arg(args, unsigned long); |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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93 data = va_arg(args, void*); |
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Matt Johnston <matt@ucc.asn.au>
parents:
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94 |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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95 if (type == LTC_ASN1_EOL) { |
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Matt Johnston <matt@ucc.asn.au>
parents:
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96 break; |
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Matt Johnston <matt@ucc.asn.au>
parents:
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97 } |
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Matt Johnston <matt@ucc.asn.au>
parents:
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98 |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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99 switch (type) { |
382
0cbe8f6dbf9e
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285
diff
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100 case LTC_ASN1_BOOLEAN: |
285
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parents:
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101 case LTC_ASN1_INTEGER: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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102 case LTC_ASN1_SHORT_INTEGER: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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103 case LTC_ASN1_BIT_STRING: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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104 case LTC_ASN1_OCTET_STRING: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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105 case LTC_ASN1_NULL: |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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106 case LTC_ASN1_OBJECT_IDENTIFIER: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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107 case LTC_ASN1_IA5_STRING: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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108 case LTC_ASN1_PRINTABLE_STRING: |
382
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
parents:
285
diff
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109 case LTC_ASN1_UTF8_STRING: |
285
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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110 case LTC_ASN1_UTCTIME: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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111 case LTC_ASN1_SEQUENCE: |
382
0cbe8f6dbf9e
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parents:
285
diff
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112 case LTC_ASN1_SET: |
0cbe8f6dbf9e
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parents:
285
diff
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113 case LTC_ASN1_SETOF: |
285
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Matt Johnston <matt@ucc.asn.au>
parents:
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114 case LTC_ASN1_CHOICE: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
115 list[x].type = type; |
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Matt Johnston <matt@ucc.asn.au>
parents:
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116 list[x].size = size; |
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Matt Johnston <matt@ucc.asn.au>
parents:
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117 list[x++].data = data; |
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Matt Johnston <matt@ucc.asn.au>
parents:
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118 break; |
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Matt Johnston <matt@ucc.asn.au>
parents:
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119 |
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Matt Johnston <matt@ucc.asn.au>
parents:
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120 default: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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121 va_end(args); |
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Matt Johnston <matt@ucc.asn.au>
parents:
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122 err = CRYPT_INVALID_ARG; |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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123 goto LBL_ERR; |
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Matt Johnston <matt@ucc.asn.au>
parents:
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124 } |
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
125 } |
1b9e69c058d2
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
126 va_end(args); |
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
127 |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
128 err = der_decode_sequence(in, inlen, list, x); |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
129 LBL_ERR: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
130 XFREE(list); |
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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
131 return err; |
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
132 } |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
133 |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
134 #endif |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
135 |
1b9e69c058d2
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
136 |
1b9e69c058d2
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
137 /* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/sequence/der_decode_sequence_multi.c,v $ */ |
382
0cbe8f6dbf9e
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
Matt Johnston <matt@ucc.asn.au>
parents:
285
diff
changeset
|
138 /* $Revision: 1.12 $ */ |
0cbe8f6dbf9e
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Matt Johnston <matt@ucc.asn.au>
parents:
285
diff
changeset
|
139 /* $Date: 2006/11/26 02:25:18 $ */ |