First Commit

externals/libressl/include/openssl/kdf.h

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+/*	$OpenBSD: kdf.h,v 1.8 2022/07/12 14:42:49 kn Exp $ */
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 2016-2018 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#ifndef HEADER_KDF_H
+# define HEADER_KDF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+# define EVP_PKEY_CTRL_HKDF_MD                  (EVP_PKEY_ALG_CTRL + 3)
+# define EVP_PKEY_CTRL_HKDF_SALT                (EVP_PKEY_ALG_CTRL + 4)
+# define EVP_PKEY_CTRL_HKDF_KEY                 (EVP_PKEY_ALG_CTRL + 5)
+# define EVP_PKEY_CTRL_HKDF_INFO                (EVP_PKEY_ALG_CTRL + 6)
+# define EVP_PKEY_CTRL_HKDF_MODE                (EVP_PKEY_ALG_CTRL + 7)
+
+# define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND 0
+# define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY       1
+# define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY        2
+
+# define EVP_PKEY_CTX_set_hkdf_md(pctx, md) \
+            EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
+                              EVP_PKEY_CTRL_HKDF_MD, 0, (void *)(md))
+
+# define EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, saltlen) \
+            EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
+                              EVP_PKEY_CTRL_HKDF_SALT, saltlen, (void *)(salt))
+
+# define EVP_PKEY_CTX_set1_hkdf_key(pctx, key, keylen) \
+            EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
+                              EVP_PKEY_CTRL_HKDF_KEY, keylen, (void *)(key))
+
+# define EVP_PKEY_CTX_add1_hkdf_info(pctx, info, infolen) \
+            EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
+                              EVP_PKEY_CTRL_HKDF_INFO, infolen, (void *)(info))
+
+# define EVP_PKEY_CTX_hkdf_mode(pctx, mode) \
+            EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
+                              EVP_PKEY_CTRL_HKDF_MODE, mode, NULL)
+
+int ERR_load_KDF_strings(void);
+
+/*
+ * KDF function codes.
+ */
+# define KDF_F_PKEY_HKDF_CTRL_STR                         103
+# define KDF_F_PKEY_HKDF_DERIVE                           102
+# define KDF_F_PKEY_HKDF_INIT                             108
+
+/*
+ * KDF reason codes.
+ */
+# define KDF_R_MISSING_KEY                                104
+# define KDF_R_MISSING_MESSAGE_DIGEST                     105
+# define KDF_R_UNKNOWN_PARAMETER_TYPE                     103
+
+# ifdef  __cplusplus
+}
+# endif
+#endif