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diff --git a/lib/openssl/engines/ccgost/gost_asn1.c b/lib/openssl/engines/ccgost/gost_asn1.c
new file mode 100644
index 0000000..318ecfc
--- /dev/null
+++ b/lib/openssl/engines/ccgost/gost_asn1.c
@@ -0,0 +1,55 @@
+/**********************************************************************
+ *                          gost_keytrans.c                           *
+ *             Copyright (c) 2005-2006 Cryptocom LTD                  *
+ *         This file is distributed under the same license as OpenSSL *
+ *                                                                    *
+ *   ASN1 structure definition for GOST key transport                 *
+ *          Requires OpenSSL 0.9.9 for compilation                    *
+ **********************************************************************/
+#include <stdio.h>
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include "gost_lcl.h"
+
+ASN1_NDEF_SEQUENCE(GOST_KEY_TRANSPORT) = {
+	ASN1_SIMPLE(GOST_KEY_TRANSPORT, key_info, GOST_KEY_INFO),
+	ASN1_IMP(GOST_KEY_TRANSPORT, key_agreement_info, GOST_KEY_AGREEMENT_INFO, 0)
+} ASN1_NDEF_SEQUENCE_END(GOST_KEY_TRANSPORT)
+
+IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_TRANSPORT)
+
+ASN1_NDEF_SEQUENCE(GOST_KEY_INFO) = {
+	ASN1_SIMPLE(GOST_KEY_INFO, encrypted_key, ASN1_OCTET_STRING),
+	ASN1_SIMPLE(GOST_KEY_INFO, imit,          ASN1_OCTET_STRING)
+} ASN1_NDEF_SEQUENCE_END(GOST_KEY_INFO)
+
+IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_INFO)
+
+ASN1_NDEF_SEQUENCE(GOST_KEY_AGREEMENT_INFO) = {
+	ASN1_SIMPLE(GOST_KEY_AGREEMENT_INFO, cipher, ASN1_OBJECT),
+	ASN1_IMP_OPT(GOST_KEY_AGREEMENT_INFO, ephem_key, X509_PUBKEY, 0),
+	ASN1_SIMPLE(GOST_KEY_AGREEMENT_INFO, eph_iv, ASN1_OCTET_STRING)
+} ASN1_NDEF_SEQUENCE_END(GOST_KEY_AGREEMENT_INFO)
+
+IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_AGREEMENT_INFO)
+
+ASN1_NDEF_SEQUENCE(GOST_KEY_PARAMS) = {
+	ASN1_SIMPLE(GOST_KEY_PARAMS, key_params, ASN1_OBJECT),
+	ASN1_SIMPLE(GOST_KEY_PARAMS, hash_params, ASN1_OBJECT),
+	ASN1_OPT(GOST_KEY_PARAMS, cipher_params, ASN1_OBJECT),
+} ASN1_NDEF_SEQUENCE_END(GOST_KEY_PARAMS)
+
+IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_PARAMS)
+
+ASN1_NDEF_SEQUENCE(GOST_CIPHER_PARAMS) = {
+	ASN1_SIMPLE(GOST_CIPHER_PARAMS, iv, ASN1_OCTET_STRING),
+	ASN1_SIMPLE(GOST_CIPHER_PARAMS, enc_param_set, ASN1_OBJECT),
+} ASN1_NDEF_SEQUENCE_END(GOST_CIPHER_PARAMS)
+
+IMPLEMENT_ASN1_FUNCTIONS(GOST_CIPHER_PARAMS)
+
+ASN1_NDEF_SEQUENCE(GOST_CLIENT_KEY_EXCHANGE_PARAMS) = { /*FIXME incomplete*/
+	ASN1_SIMPLE(GOST_CLIENT_KEY_EXCHANGE_PARAMS, gkt, GOST_KEY_TRANSPORT)
+} ASN1_NDEF_SEQUENCE_END(GOST_CLIENT_KEY_EXCHANGE_PARAMS)
+
+IMPLEMENT_ASN1_FUNCTIONS(GOST_CLIENT_KEY_EXCHANGE_PARAMS)