1 files changed, 57 insertions, 0 deletions
diff --git a/crypto/ess/ess_asn1.c b/crypto/ess/ess_asn1.c
new file mode 100644
index 0000000000..d10746906a
--- /dev/null
+++ b/crypto/ess/ess_asn1.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/err.h>
+#include <openssl/asn1t.h>
+#include <openssl/ess.h>
+#include <openssl/x509v3.h>
+#include "internal/ess_int.h"
+
+/* ASN1 stuff for ESS Structure */
+
+ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
+        ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
+        ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
+} static_ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
+
+ASN1_SEQUENCE(ESS_CERT_ID) = {
+        ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
+        ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
+} static_ASN1_SEQUENCE_END(ESS_CERT_ID)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
+
+ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
+        ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
+        ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
+} static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
+
+ASN1_SEQUENCE(ESS_CERT_ID_V2) = {
+        ASN1_OPT(ESS_CERT_ID_V2, hash_alg, X509_ALGOR),
+        ASN1_SIMPLE(ESS_CERT_ID_V2, hash, ASN1_OCTET_STRING),
+        ASN1_OPT(ESS_CERT_ID_V2, issuer_serial, ESS_ISSUER_SERIAL)
+} static_ASN1_SEQUENCE_END(ESS_CERT_ID_V2)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID_V2)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID_V2)
+
+ASN1_SEQUENCE(ESS_SIGNING_CERT_V2) = {
+        ASN1_SEQUENCE_OF(ESS_SIGNING_CERT_V2, cert_ids, ESS_CERT_ID_V2),
+        ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT_V2, policy_info, POLICYINFO)
+} static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT_V2)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT_V2)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT_V2)