--- /dev/null
+/* 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"
+#include <stdarg.h>
+
+
+/**
+ @file der_decode_sequence_multi.c
+ ASN.1 DER, decode a SEQUENCE, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/**
+ Decode a SEQUENCE type using a VA list
+ @param in Input buffer
+ @param inlen Length of input in octets
+ @remark <...> is of the form <type, size, data> (int, unsigned long, void*)
+ @return CRYPT_OK on success
+*/
+int der_decode_sequence_multi(const unsigned char *in, unsigned long inlen, ...)
+{
+ int err;
+ ltc_asn1_type type;
+ unsigned long size, x;
+ void *data;
+ va_list args;
+ ltc_asn1_list *list;
+
+ LTC_ARGCHK(in != NULL);
+
+ /* get size of output that will be required */
+ va_start(args, inlen);
+ x = 0;
+ for (;;) {
+ type = (ltc_asn1_type)va_arg(args, int);
+ size = va_arg(args, unsigned long);
+ data = va_arg(args, void*);
+ LTC_UNUSED_PARAM(size);
+ LTC_UNUSED_PARAM(data);
+
+ if (type == LTC_ASN1_EOL) {
+ break;
+ }
+
+ switch (type) {
+ case LTC_ASN1_BOOLEAN:
+ case LTC_ASN1_INTEGER:
+ case LTC_ASN1_SHORT_INTEGER:
+ case LTC_ASN1_BIT_STRING:
+ case LTC_ASN1_OCTET_STRING:
+ case LTC_ASN1_NULL:
+ case LTC_ASN1_OBJECT_IDENTIFIER:
+ case LTC_ASN1_IA5_STRING:
+ case LTC_ASN1_PRINTABLE_STRING:
+ case LTC_ASN1_UTF8_STRING:
+ case LTC_ASN1_UTCTIME:
+ case LTC_ASN1_SET:
+ case LTC_ASN1_SETOF:
+ case LTC_ASN1_SEQUENCE:
+ case LTC_ASN1_CHOICE:
+ case LTC_ASN1_RAW_BIT_STRING:
+ case LTC_ASN1_TELETEX_STRING:
+ case LTC_ASN1_GENERALIZEDTIME:
+ ++x;
+ break;
+
+ case LTC_ASN1_EOL:
+ case LTC_ASN1_CONSTRUCTED:
+ case LTC_ASN1_CONTEXT_SPECIFIC:
+ va_end(args);
+ return CRYPT_INVALID_ARG;
+ }
+ }
+ va_end(args);
+
+ /* allocate structure for x elements */
+ if (x == 0) {
+ return CRYPT_NOP;
+ }
+
+ list = XCALLOC(sizeof(*list), x);
+ if (list == NULL) {
+ return CRYPT_MEM;
+ }
+
+ /* fill in the structure */
+ va_start(args, inlen);
+ x = 0;
+ for (;;) {
+ type = (ltc_asn1_type)va_arg(args, int);
+ size = va_arg(args, unsigned long);
+ data = va_arg(args, void*);
+
+ if (type == LTC_ASN1_EOL) {
+ break;
+ }
+
+ switch (type) {
+ case LTC_ASN1_BOOLEAN:
+ case LTC_ASN1_INTEGER:
+ case LTC_ASN1_SHORT_INTEGER:
+ case LTC_ASN1_BIT_STRING:
+ case LTC_ASN1_OCTET_STRING:
+ case LTC_ASN1_NULL:
+ case LTC_ASN1_OBJECT_IDENTIFIER:
+ case LTC_ASN1_IA5_STRING:
+ case LTC_ASN1_PRINTABLE_STRING:
+ case LTC_ASN1_UTF8_STRING:
+ case LTC_ASN1_UTCTIME:
+ case LTC_ASN1_SEQUENCE:
+ case LTC_ASN1_SET:
+ case LTC_ASN1_SETOF:
+ case LTC_ASN1_CHOICE:
+ case LTC_ASN1_RAW_BIT_STRING:
+ case LTC_ASN1_TELETEX_STRING:
+ case LTC_ASN1_GENERALIZEDTIME:
+ LTC_SET_ASN1(list, x++, type, data, size);
+ break;
+ /* coverity[dead_error_line] */
+ case LTC_ASN1_EOL:
+ case LTC_ASN1_CONSTRUCTED:
+ case LTC_ASN1_CONTEXT_SPECIFIC:
+ break;
+ }
+ }
+ va_end(args);
+
+ err = der_decode_sequence(in, inlen, list, x);
+ XFREE(list);
+ return err;
+}
+
+#endif
+
+
+/* ref: $Format:%D$ */
+/* git commit: $Format:%H$ */
+/* commit time: $Format:%ai$ */