diff --git a/library/asn1parse.c b/library/asn1parse.c
index e7e4d13..3105d32 100644
--- a/library/asn1parse.c
+++ b/library/asn1parse.c
@@ -269,7 +269,16 @@
     return( 0 );
 }
 
-
+void mbedtls_asn1_sequence_free( mbedtls_asn1_sequence *seq )
+{
+    while( seq != NULL )
+    {
+        mbedtls_asn1_sequence *next = seq->next;
+        mbedtls_platform_zeroize( seq, sizeof( *seq ) );
+        mbedtls_free( seq );
+        seq = next;
+    }
+}
 
 /*
  *  Parses and splits an ASN.1 "SEQUENCE OF <tag>"