Making a gost provider - Add the provider foundation

[openssl-gost/engine.git] / gost_prov.h

diff --git a/gost_prov.h b/gost_prov.h
new file mode 100644 (file)
index 0000000..c7f6e66
--- /dev/null
+++ b/gost_prov.h
@@ -0,0 +1,27 @@
+/**********************************************************************
+ *                 gost_prov.h - The provider itself                  *
+ *                                                                    *
+ *      Copyright (c) 2021 Richard Levitte <richard@levitte.org>      *
+ *     This file is distributed under the same license as OpenSSL     *
+ *                                                                    *
+ *                Requires OpenSSL 3.0 for compilation                *
+ **********************************************************************/
+
+#include <openssl/core.h>
+#include <openssl/engine.h>
+
+struct provider_ctx_st {
+    OSSL_LIB_CTX *libctx;
+    const OSSL_CORE_HANDLE *core_handle;
+    struct proverr_functions_st *proverr_handle;
+
+    /*
+     * "internal" GOST engine, which is the implementation that all the
+     * provider functions will use to access the crypto functionality.
+     * This is pure hackery, but allows us to quickly wrap all the ENGINE
+     * function with provider wrappers.  There is no other supported way
+     * to do this.
+     */
+    ENGINE *e;
+};
+typedef struct provider_ctx_st PROV_CTX;