1 files changed, 62 insertions, 0 deletions
diff --git a/include/openssl/hmac.h b/include/openssl/hmac.h
new file mode 100644
index 00000000..f9e1bff3
--- /dev/null
+++ b/include/openssl/hmac.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 1995-2021 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 OPENSSL_HMAC_H
+# define OPENSSL_HMAC_H
+# pragma once
+
+# include <openssl/macros.h>
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+#  define HEADER_HMAC_H
+# endif
+
+# include <openssl/opensslconf.h>
+
+# include <openssl/evp.h>
+
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+#  define HMAC_MAX_MD_CBLOCK      200    /* Deprecated */
+# endif
+
+# ifdef  __cplusplus
+extern "C" {
+# endif
+
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+OSSL_DEPRECATEDIN_3_0 size_t HMAC_size(const HMAC_CTX *e);
+OSSL_DEPRECATEDIN_3_0 HMAC_CTX *HMAC_CTX_new(void);
+OSSL_DEPRECATEDIN_3_0 int HMAC_CTX_reset(HMAC_CTX *ctx);
+OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_free(HMAC_CTX *ctx);
+# endif
+# ifndef OPENSSL_NO_DEPRECATED_1_1_0
+OSSL_DEPRECATEDIN_1_1_0 __owur int HMAC_Init(HMAC_CTX *ctx,
+                                             const void *key, int len,
+                                             const EVP_MD *md);
+# endif
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+OSSL_DEPRECATEDIN_3_0 int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
+                                       const EVP_MD *md, ENGINE *impl);
+OSSL_DEPRECATEDIN_3_0 int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
+                                      size_t len);
+OSSL_DEPRECATEDIN_3_0 int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
+                                     unsigned int *len);
+OSSL_DEPRECATEDIN_3_0 __owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
+OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
+OSSL_DEPRECATEDIN_3_0 const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx);
+# endif
+
+unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
+                    const unsigned char *data, size_t data_len,
+                    unsigned char *md, unsigned int *md_len);
+
+# ifdef  __cplusplus
+}
+# endif
+
+#endif