Move providers/common/{ciphers,digests}/* to providers/implementations

[openssl.git] / providers / implementations / include / prov / digestcommon.h

diff --git a/providers/implementations/include/prov/digestcommon.h b/providers/implementations/include/prov/digestcommon.h
new file mode 100644 (file)
index 0000000..e5b76ff
--- /dev/null
+++ b/providers/implementations/include/prov/digestcommon.h
@@ -0,0 +1,104 @@
+/*
+ * 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
+ */
+
+#ifndef OSSL_PROVIDERS_DIGESTCOMMON_H
+# define OSSL_PROVIDERS_DIGESTCOMMON_H
+
+# include <openssl/core_numbers.h>
+# include <openssl/core_names.h>
+# include <openssl/params.h>
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+#define PROV_FUNC_DIGEST_GET_PARAM(name, blksize, dgstsize, flags)             \
+static OSSL_OP_digest_get_params_fn name##_get_params;                         \
+static int name##_get_params(OSSL_PARAM params[])                              \
+{                                                                              \
+    return digest_default_get_params(params, blksize, dgstsize, flags);        \
+}
+
+#define PROV_DISPATCH_FUNC_DIGEST_GET_PARAMS(name)                             \
+{ OSSL_FUNC_DIGEST_GET_PARAMS, (void (*)(void))name##_get_params },            \
+{ OSSL_FUNC_DIGEST_GETTABLE_PARAMS,                                            \
+  (void (*)(void))digest_default_gettable_params }
+
+# define PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_START(                            \
+    name, CTX, blksize, dgstsize, flags, init, upd, fin)                       \
+static OSSL_OP_digest_newctx_fn name##_newctx;                                 \
+static OSSL_OP_digest_freectx_fn name##_freectx;                               \
+static OSSL_OP_digest_dupctx_fn name##_dupctx;                                 \
+static void *name##_newctx(void *prov_ctx)                                     \
+{                                                                              \
+    CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));                                   \
+    return ctx;                                                                \
+}                                                                              \
+static void name##_freectx(void *vctx)                                         \
+{                                                                              \
+    CTX *ctx = (CTX *)vctx;                                                    \
+    OPENSSL_clear_free(ctx,  sizeof(*ctx));                                    \
+}                                                                              \
+static void *name##_dupctx(void *ctx)                                          \
+{                                                                              \
+    CTX *in = (CTX *)ctx;                                                      \
+    CTX *ret = OPENSSL_malloc(sizeof(*ret));                                   \
+    if (ret != NULL)                                                           \
+        *ret = *in;                                                            \
+    return ret;                                                                \
+}                                                                              \
+static OSSL_OP_digest_final_fn name##_internal_final;                          \
+static int name##_internal_final(void *ctx, unsigned char *out, size_t *outl,  \
+                                 size_t outsz)                                 \
+{                                                                              \
+    if (outsz >= dgstsize && fin(out, ctx)) {                                  \
+        *outl = dgstsize;                                                      \
+        return 1;                                                              \
+    }                                                                          \
+    return 0;                                                                  \
+}                                                                              \
+PROV_FUNC_DIGEST_GET_PARAM(name, blksize, dgstsize, flags)                     \
+const OSSL_DISPATCH name##_functions[] = {                                     \
+    { OSSL_FUNC_DIGEST_NEWCTX, (void (*)(void))name##_newctx },                \
+    { OSSL_FUNC_DIGEST_INIT, (void (*)(void))init },                           \
+    { OSSL_FUNC_DIGEST_UPDATE, (void (*)(void))upd },                          \
+    { OSSL_FUNC_DIGEST_FINAL, (void (*)(void))name##_internal_final },         \
+    { OSSL_FUNC_DIGEST_FREECTX, (void (*)(void))name##_freectx },              \
+    { OSSL_FUNC_DIGEST_DUPCTX, (void (*)(void))name##_dupctx },                \
+    PROV_DISPATCH_FUNC_DIGEST_GET_PARAMS(name)
+
+# define PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END                               \
+    { 0, NULL }                                                                \
+};
+
+# define IMPLEMENT_digest_functions(                                           \
+    name, CTX, blksize, dgstsize, flags, init, upd, fin)                       \
+PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_START(name, CTX, blksize, dgstsize, flags, \
+                                          init, upd, fin),                     \
+PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END
+
+# define IMPLEMENT_digest_functions_with_settable_ctx(                         \
+    name, CTX, blksize, dgstsize, flags, init, upd, fin,                       \
+    settable_ctx_params, set_ctx_params)                                       \
+PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_START(name, CTX, blksize, dgstsize, flags, \
+                                          init, upd, fin),                     \
+{ OSSL_FUNC_DIGEST_SETTABLE_CTX_PARAMS, (void (*)(void))settable_ctx_params }, \
+{ OSSL_FUNC_DIGEST_SET_CTX_PARAMS, (void (*)(void))set_ctx_params },           \
+PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END
+
+
+const OSSL_PARAM *digest_default_gettable_params(void);
+int digest_default_get_params(OSSL_PARAM params[], size_t blksz, size_t paramsz,
+                              unsigned long flags);
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif /* OSSL_PROVIDERS_DIGESTCOMMON_H */