1 files changed, 61 insertions, 0 deletions
diff --git a/src/lib/cryptolink/openssl_compat.h b/src/lib/cryptolink/openssl_compat.h
new file mode 100644
index 0000000..33b85e1
--- /dev/null
+++ b/src/lib/cryptolink/openssl_compat.h
@@ -0,0 +1,61 @@
+// Copyright (C) 2016-2022 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+// This file is included by hash and hmac codes so KEA_H* macros
+// avoid to define unused inlines.
+
+#ifdef KEA_HASH
+
+#ifndef HAVE_EVP_MD_CTX_NEW
+#ifdef HAVE_EVP_MD_CTX_CREATE
+
+// EVP_MD_CTX_new() is EVP_MD_CTX_create() in old OpenSSL
+
+inline EVP_MD_CTX* EVP_MD_CTX_new() {
+    return (EVP_MD_CTX_create());
+}
+
+#else
+#error have no EVP_MD_CTX_new() nor EVP_MD_CTX_create()
+#endif
+#endif
+
+#ifndef HAVE_EVP_MD_CTX_FREE
+#ifdef HAVE_EVP_MD_CTX_DESTROY
+
+// EVP_MD_CTX_free(ctx) is EVP_MD_CTX_destroy(ctx) in old OpenSSL
+
+inline void EVP_MD_CTX_free(EVP_MD_CTX* ctx) {
+    EVP_MD_CTX_destroy(ctx);
+}
+
+#else
+#error have no EVP_MD_CTX_free() nor EVP_MD_CTX_destroy()
+#endif
+#endif
+
+#endif
+
+#ifdef KEA_HMAC
+
+#ifndef HAVE_EVP_PKEY_NEW_RAW_PRIVATE_KEY
+#ifdef HAVE_EVP_PKEY_NEW_MAC_KEY
+
+// EVP_PKEY_new_raw_private_key(type, e, key, keylen) is
+// EVP_PKEY_new_mac_key(type, e, key, (int)keylen) in old OpenSSL
+
+inline EVP_PKEY* EVP_PKEY_new_raw_private_key(int type, ENGINE* e,
+                                              const unsigned char *key,
+                                              size_t keylen) {
+    return (EVP_PKEY_new_mac_key(type, e, key, static_cast<int>(keylen)));
+}
+
+#else
+#error have no EVP_PKEY_new_raw_private_key() nor EVP_PKEY_new_mac_key()
+#endif
+#endif
+
+#endif