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Import code from previous AssetBuilder version

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Jan
2019-09-24 10:45:09 +02:00
parent 5609557516
commit 0d8432d4f7
919 changed files with 154412 additions and 26 deletions
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108
thirdparty/libtomcrypt/pk/asn1/der/set/der_encode_set.c vendored Normal file
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
#include "tomcrypt.h"
/**
@file der_encode_set.c
ASN.1 DER, Encode a SET, Tom St Denis
*/
#ifdef LTC_DER
/* LTC define to ASN.1 TAG */
static int _ltc_to_asn1(ltc_asn1_type v)
{
switch (v) {
case LTC_ASN1_BOOLEAN: return 0x01;
case LTC_ASN1_INTEGER:
case LTC_ASN1_SHORT_INTEGER: return 0x02;
case LTC_ASN1_RAW_BIT_STRING:
case LTC_ASN1_BIT_STRING: return 0x03;
case LTC_ASN1_OCTET_STRING: return 0x04;
case LTC_ASN1_NULL: return 0x05;
case LTC_ASN1_OBJECT_IDENTIFIER: return 0x06;
case LTC_ASN1_UTF8_STRING: return 0x0C;
case LTC_ASN1_PRINTABLE_STRING: return 0x13;
case LTC_ASN1_TELETEX_STRING: return 0x14;
case LTC_ASN1_IA5_STRING: return 0x16;
case LTC_ASN1_UTCTIME: return 0x17;
case LTC_ASN1_GENERALIZEDTIME: return 0x18;
case LTC_ASN1_SEQUENCE: return 0x30;
case LTC_ASN1_SET:
case LTC_ASN1_SETOF: return 0x31;
case LTC_ASN1_CHOICE:
case LTC_ASN1_CONSTRUCTED:
case LTC_ASN1_CONTEXT_SPECIFIC:
case LTC_ASN1_EOL: return -1;
}
return -1;
}
static int _qsort_helper(const void *a, const void *b)
{
ltc_asn1_list *A = (ltc_asn1_list *)a, *B = (ltc_asn1_list *)b;
int r;
r = _ltc_to_asn1(A->type) - _ltc_to_asn1(B->type);
/* for QSORT the order is UNDEFINED if they are "equal" which means it is NOT DETERMINISTIC. So we force it to be :-) */
if (r == 0) {
/* their order in the original list now determines the position */
return A->used - B->used;
} else {
return r;
}
}
/*
Encode a SET type
@param list The list of items to encode
@param inlen The number of items in the list
@param out [out] The destination
@param outlen [in/out] The size of the output
@return CRYPT_OK on success
*/
int der_encode_set(ltc_asn1_list *list, unsigned long inlen,
unsigned char *out, unsigned long *outlen)
{
ltc_asn1_list *copy;
unsigned long x;
int err;
/* make copy of list */
copy = XCALLOC(inlen, sizeof(*copy));
if (copy == NULL) {
return CRYPT_MEM;
}
/* fill in used member with index so we can fully sort it */
for (x = 0; x < inlen; x++) {
copy[x] = list[x];
copy[x].used = x;
}
/* sort it by the "type" field */
XQSORT(copy, inlen, sizeof(*copy), &_qsort_helper);
/* call der_encode_sequence_ex() */
err = der_encode_sequence_ex(copy, inlen, out, outlen, LTC_ASN1_SET);
/* free list */
XFREE(copy);
return err;
}
#endif
/* ref: HEAD -> master, tag: v1.18.2 */
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
/* commit time: 2018-07-01 22:49:01 +0200 */