Mercurial > dropbear
annotate libtomcrypt/src/pk/asn1/der/sequence/der_encode_sequence_multi.c @ 1866:adfcdfb161a4
Fix missing NULL terminator for re-exec
Also fixes fallback, sockets were not kept open
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 31 Jan 2022 11:12:58 +0800 |
parents | 6dba84798cd5 |
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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 #include "tomcrypt.h" |
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10 #include <stdarg.h> |
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11 |
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12 |
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13 /** |
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14 @file der_encode_sequence_multi.c |
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15 ASN.1 DER, encode a SEQUENCE, Tom St Denis |
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16 */ |
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17 |
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18 #ifdef LTC_DER |
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19 |
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20 /** |
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21 Encode a SEQUENCE type using a VA list |
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22 @param out [out] Destination for data |
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23 @param outlen [in/out] Length of buffer and resulting length of output |
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24 @remark <...> is of the form <type, size, data> (int, unsigned long, void*) |
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25 @return CRYPT_OK on success |
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26 */ |
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27 int der_encode_sequence_multi(unsigned char *out, unsigned long *outlen, ...) |
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28 { |
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29 int err; |
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30 ltc_asn1_type type; |
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31 unsigned long size, x; |
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32 void *data; |
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33 va_list args; |
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34 ltc_asn1_list *list; |
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35 |
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36 LTC_ARGCHK(out != NULL); |
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37 LTC_ARGCHK(outlen != 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, outlen); |
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41 x = 0; |
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42 for (;;) { |
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43 type = (ltc_asn1_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 LTC_UNUSED_PARAM(size); |
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47 LTC_UNUSED_PARAM(data); |
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48 |
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49 if (type == LTC_ASN1_EOL) { |
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50 break; |
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51 } |
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52 |
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53 switch (type) { |
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54 case LTC_ASN1_BOOLEAN: |
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55 case LTC_ASN1_INTEGER: |
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56 case LTC_ASN1_SHORT_INTEGER: |
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57 case LTC_ASN1_BIT_STRING: |
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58 case LTC_ASN1_OCTET_STRING: |
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59 case LTC_ASN1_NULL: |
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60 case LTC_ASN1_OBJECT_IDENTIFIER: |
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61 case LTC_ASN1_IA5_STRING: |
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62 case LTC_ASN1_PRINTABLE_STRING: |
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63 case LTC_ASN1_UTF8_STRING: |
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64 case LTC_ASN1_UTCTIME: |
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65 case LTC_ASN1_SEQUENCE: |
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66 case LTC_ASN1_SET: |
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67 case LTC_ASN1_SETOF: |
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68 case LTC_ASN1_RAW_BIT_STRING: |
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69 case LTC_ASN1_GENERALIZEDTIME: |
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70 ++x; |
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71 break; |
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72 |
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73 case LTC_ASN1_CHOICE: |
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74 case LTC_ASN1_CONSTRUCTED: |
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75 case LTC_ASN1_CONTEXT_SPECIFIC: |
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76 case LTC_ASN1_EOL: |
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77 case LTC_ASN1_TELETEX_STRING: |
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78 va_end(args); |
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79 return CRYPT_INVALID_ARG; |
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80 } |
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81 } |
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82 va_end(args); |
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83 |
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84 /* allocate structure for x elements */ |
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parents:
diff
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85 if (x == 0) { |
1b9e69c058d2
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parents:
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86 return CRYPT_NOP; |
1b9e69c058d2
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87 } |
1b9e69c058d2
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parents:
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88 |
1b9e69c058d2
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parents:
diff
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89 list = XCALLOC(sizeof(*list), x); |
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parents:
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90 if (list == NULL) { |
1b9e69c058d2
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91 return CRYPT_MEM; |
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parents:
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92 } |
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parents:
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93 |
1b9e69c058d2
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parents:
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94 /* fill in the structure */ |
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95 va_start(args, outlen); |
1b9e69c058d2
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96 x = 0; |
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97 for (;;) { |
1471
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Update to libtomcrypt 1.18.1, merged with Dropbear changes
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98 type = (ltc_asn1_type)va_arg(args, int); |
285
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99 size = va_arg(args, unsigned long); |
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100 data = va_arg(args, void*); |
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101 |
1471
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Update to libtomcrypt 1.18.1, merged with Dropbear changes
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102 if (type == LTC_ASN1_EOL) { |
285
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103 break; |
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104 } |
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105 |
1b9e69c058d2
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106 switch (type) { |
382
0cbe8f6dbf9e
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285
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107 case LTC_ASN1_BOOLEAN: |
285
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108 case LTC_ASN1_INTEGER: |
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109 case LTC_ASN1_SHORT_INTEGER: |
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110 case LTC_ASN1_BIT_STRING: |
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111 case LTC_ASN1_OCTET_STRING: |
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112 case LTC_ASN1_NULL: |
1b9e69c058d2
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113 case LTC_ASN1_OBJECT_IDENTIFIER: |
1b9e69c058d2
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114 case LTC_ASN1_IA5_STRING: |
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115 case LTC_ASN1_PRINTABLE_STRING: |
382
0cbe8f6dbf9e
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285
diff
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116 case LTC_ASN1_UTF8_STRING: |
285
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117 case LTC_ASN1_UTCTIME: |
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118 case LTC_ASN1_SEQUENCE: |
382
0cbe8f6dbf9e
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285
diff
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119 case LTC_ASN1_SET: |
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120 case LTC_ASN1_SETOF: |
1471
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Update to libtomcrypt 1.18.1, merged with Dropbear changes
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1435
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121 case LTC_ASN1_RAW_BIT_STRING: |
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Update to libtomcrypt 1.18.1, merged with Dropbear changes
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122 case LTC_ASN1_GENERALIZEDTIME: |
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123 LTC_SET_ASN1(list, x++, type, data, size); |
285
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124 break; |
1471
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Update to libtomcrypt 1.18.1, merged with Dropbear changes
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125 |
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
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126 case LTC_ASN1_CHOICE: |
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127 case LTC_ASN1_CONSTRUCTED: |
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Update to libtomcrypt 1.18.1, merged with Dropbear changes
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128 case LTC_ASN1_CONTEXT_SPECIFIC: |
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Update to libtomcrypt 1.18.1, merged with Dropbear changes
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129 case LTC_ASN1_EOL: |
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Update to libtomcrypt 1.18.1, merged with Dropbear changes
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130 case LTC_ASN1_TELETEX_STRING: |
285
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131 va_end(args); |
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132 err = CRYPT_INVALID_ARG; |
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133 goto LBL_ERR; |
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134 } |
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|
135 } |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
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|
136 va_end(args); |
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
137 |
1471
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
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diff
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|
138 err = der_encode_sequence(list, x, out, outlen); |
285
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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139 LBL_ERR: |
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
140 XFREE(list); |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
141 return err; |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
142 } |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
143 |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
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|
144 #endif |
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parents:
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|
145 |
1b9e69c058d2
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Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
146 |
1471
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
1435
diff
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|
147 /* ref: $Format:%D$ */ |
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
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diff
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|
148 /* git commit: $Format:%H$ */ |
6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
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diff
changeset
|
149 /* commit time: $Format:%ai$ */ |