1 files changed, 71 insertions, 0 deletions
diff --git a/include/internal/core.h b/include/internal/core.h
new file mode 100644
index 0000000000..03adb66bd3
--- /dev/null
+++ b/include/internal/core.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2019-2022 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
+ */
+
+#ifndef OSSL_INTERNAL_CORE_H
+# define OSSL_INTERNAL_CORE_H
+# pragma once
+
+/*
+ * namespaces:
+ *
+ * ossl_method_         Core Method API
+ */
+
+/*
+ * construct an arbitrary method from a dispatch table found by looking
+ * up a match for the < operation_id, name, property > combination.
+ * constructor and destructor are the constructor and destructor for that
+ * arbitrary object.
+ *
+ * These objects are normally cached, unless the provider says not to cache.
+ * However, force_cache can be used to force caching whatever the provider
+ * says (for example, because the application knows better).
+ */
+typedef struct ossl_method_construct_method_st {
+    /* Get a temporary store */
+    void *(*get_tmp_store)(void *data);
+    /* Reserve the appropriate method store */
+    int (*lock_store)(void *store, void *data);
+    /* Unreserve the appropriate method store */
+    int (*unlock_store)(void *store, void *data);
+    /* Get an already existing method from a store */
+    void *(*get)(void *store, const OSSL_PROVIDER **prov, void *data);
+    /* Store a method in a store */
+    int (*put)(void *store, void *method, const OSSL_PROVIDER *prov,
+               const char *name, const char *propdef, void *data);
+    /* Construct a new method */
+    void *(*construct)(const OSSL_ALGORITHM *algodef, OSSL_PROVIDER *prov,
+                       void *data);
+    /* Destruct a method */
+    void (*destruct)(void *method, void *data);
+} OSSL_METHOD_CONSTRUCT_METHOD;
+
+void *ossl_method_construct(OSSL_LIB_CTX *ctx, int operation_id,
+                            OSSL_PROVIDER **provider_rw, int force_cache,
+                            OSSL_METHOD_CONSTRUCT_METHOD *mcm, void *mcm_data);
+
+void ossl_algorithm_do_all(OSSL_LIB_CTX *libctx, int operation_id,
+                           OSSL_PROVIDER *provider,
+                           int (*pre)(OSSL_PROVIDER *, int operation_id,
+                                      int no_store, void *data, int *result),
+                           int (*reserve_store)(int no_store, void *data),
+                           void (*fn)(OSSL_PROVIDER *provider,
+                                      const OSSL_ALGORITHM *algo,
+                                      int no_store, void *data),
+                           int (*unreserve_store)(void *data),
+                           int (*post)(OSSL_PROVIDER *, int operation_id,
+                                       int no_store, void *data, int *result),
+                           void *data);
+char *ossl_algorithm_get1_first_name(const OSSL_ALGORITHM *algo);
+
+__owur int ossl_lib_ctx_write_lock(OSSL_LIB_CTX *ctx);
+__owur int ossl_lib_ctx_read_lock(OSSL_LIB_CTX *ctx);
+int ossl_lib_ctx_unlock(OSSL_LIB_CTX *ctx);
+int ossl_lib_ctx_is_child(OSSL_LIB_CTX *ctx);
+#endif