commit c4909d95f1d6433fe2416625ef24980fa553d7ad
author Paul Bakker <p.j.bakker@polarssl.org> Wed Oct 12 09:52:22 2011 +0000
committer Paul Bakker <p.j.bakker@polarssl.org> Wed Oct 12 09:52:22 2011 +0000
tree 1326e88fbcd74a2ceb9998356fa73590c0a6725c
parent b892b1326c5ba6f987c6094fa8c5cd76daf49eed

 - Inceased maximum size of ASN1 length reads to 32-bits

library/x509parse.c

diff --git a/library/x509parse.c b/library/x509parse.c
index 58399eb..e359ca7 100644
--- a/library/x509parse.c
+++ b/library/x509parse.c
@@ -89,6 +89,22 @@
             (*p) += 3;
             break;
 
+        case 3:
+            if( ( end - *p ) < 4 )
+                return( POLARSSL_ERR_ASN1_OUT_OF_DATA );
+
+            *len = ( (*p)[1] << 16 ) | ( (*p)[2] << 8 ) | (*p)[3];
+            (*p) += 4;
+            break;
+
+        case 4:
+            if( ( end - *p ) < 5 )
+                return( POLARSSL_ERR_ASN1_OUT_OF_DATA );
+
+            *len = ( (*p)[1] << 24 ) | ( (*p)[2] << 16 ) | ( (*p)[3] << 8 ) | (*p)[4];
+            (*p) += 5;
+            break;
+
         default:
             return( POLARSSL_ERR_ASN1_INVALID_LENGTH );
         }