Mercurial > dropbear
diff libtomcrypt/src/pk/asn1/der/set/der_encode_set.c @ 1511:5916af64acd4 fuzz
merge from main
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sat, 17 Feb 2018 19:29:51 +0800 |
parents | 6dba84798cd5 |
children |
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--- a/libtomcrypt/src/pk/asn1/der/set/der_encode_set.c Tue Jan 23 23:27:40 2018 +0800 +++ b/libtomcrypt/src/pk/asn1/der/set/der_encode_set.c Sat Feb 17 19:29:51 2018 +0800 @@ -5,8 +5,6 @@ * * The library is free for all purposes without any express * guarantee it works. - * - * Tom St Denis, [email protected], http://libtom.org */ #include "tomcrypt.h" @@ -18,35 +16,42 @@ #ifdef LTC_DER /* LTC define to ASN.1 TAG */ -static int ltc_to_asn1(int v) +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; - default: return -1; + 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) + +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); - + + 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 */ @@ -54,13 +59,13 @@ } 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 out [out] The destination @param outlen [in/out] The size of the output @return CRYPT_OK on success */ @@ -70,34 +75,34 @@ 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); - + XQSORT(copy, inlen, sizeof(*copy), &_qsort_helper); + /* call der_encode_sequence_ex() */ - err = der_encode_sequence_ex(copy, inlen, out, outlen, LTC_ASN1_SET); - + err = der_encode_sequence_ex(copy, inlen, out, outlen, LTC_ASN1_SET); + /* free list */ XFREE(copy); - + return err; -} +} #endif -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */