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comparison libtomcrypt/src/pk/asn1/der/sequence/der_decode_sequence_flexi.c @ 1711:e9dba7abd939

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Merge libtomcrypt v1.18.2
author Matt Johnston <matt@ucc.asn.au>
date Wed, 10 Jun 2020 23:16:13 +0800
parents 6dba84798cd5
children
comparison
equal deleted inserted replaced
1710:1ff2a1034c52 1711:e9dba7abd939
77 @param out [out] A pointer to the linked list 77 @param out [out] A pointer to the linked list
78 @return CRYPT_OK on success. 78 @return CRYPT_OK on success.
79 */ 79 */
80 int der_decode_sequence_flexi(const unsigned char *in, unsigned long *inlen, ltc_asn1_list **out) 80 int der_decode_sequence_flexi(const unsigned char *in, unsigned long *inlen, ltc_asn1_list **out)
81 { 81 {
82 ltc_asn1_list *l; 82 ltc_asn1_list *l, *t;
83 unsigned long err, type, len, totlen, data_offset; 83 unsigned long err, type, len, totlen, data_offset, len_len;
84 void *realloc_tmp; 84 void *realloc_tmp;
85 85
86 LTC_ARGCHK(in != NULL); 86 LTC_ARGCHK(in != NULL);
87 LTC_ARGCHK(inlen != NULL); 87 LTC_ARGCHK(inlen != NULL);
88 LTC_ARGCHK(out != NULL); 88 LTC_ARGCHK(out != NULL);
403 403
404 /* the flexi decoder can also do nothing, so make sure a child has been allocated */ 404 /* the flexi decoder can also do nothing, so make sure a child has been allocated */
405 if (l->child) { 405 if (l->child) {
406 /* link them up y0 */ 406 /* link them up y0 */
407 l->child->parent = l; 407 l->child->parent = l;
408 }
409
410 t = l;
411 len_len = 0;
412 while((t != NULL) && (t->child != NULL)) {
413 len_len++;
414 t = t->child;
415 }
416 if (len_len > LTC_DER_MAX_RECURSION) {
417 err = CRYPT_ERROR;
418 goto error;
408 } 419 }
409 420
410 break; 421 break;
411 422
412 case 0x80: /* Context-specific */ 423 case 0x80: /* Context-specific */