Re-import libtomcrypt 1.05 for cleaner propagating.

From crypt-1.05.tar.bz2, SHA1 of 88250202bb51570dc64f7e8f1c943cda9479258f

--HG--
branch : libtomcrypt-orig
extra : convert_revision : 5c0c50e93111636ccf8deb758a689ad713797baf

1 files changed, 124 insertions, 0 deletions

diff --git a/src/pk/asn1/der/sequence/der_decode_sequence_multi.c b/src/pk/asn1/der/sequence/der_decode_sequence_multi.c
new file mode 100644
index 0000000..a4a1038
--- /dev/null
+++ b/src/pk/asn1/der/sequence/der_decode_sequence_multi.c
@@ -0,0 +1,124 @@
+/* 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.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
+ */
+#include "tomcrypt.h"
+#include <stdarg.h>
+
+
+/**
+  @file der_decode_sequence_multi.c
+  ASN.1 DER, decode a SEQUENCE, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+int der_decode_sequence_multi(const unsigned char *in, unsigned long inlen, ...)
+{
+   int           err, 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 = 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_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_UTCTIME:
+           case LTC_ASN1_SEQUENCE:
+           case LTC_ASN1_CHOICE:
+                ++x; 
+                break;
+          
+           default:
+               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 = 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_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_UTCTIME:
+           case LTC_ASN1_SEQUENCE:
+           case LTC_ASN1_CHOICE:
+                list[x].type   = type;
+                list[x].size   = size;
+                list[x++].data = data;
+                break;
+         
+           default:
+               va_end(args);
+               err = CRYPT_INVALID_ARG;
+               goto LBL_ERR;
+       }
+   }
+   va_end(args);
+
+   err = der_decode_sequence(in, inlen, list, x);
+LBL_ERR:
+   XFREE(list);
+   return err;
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/sequence/der_decode_sequence_multi.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2005/06/18 19:20:23 $ */