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-rw-r--r--Utilities/cmcurl/lib/curl_sha256.h45
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diff --git a/Utilities/cmcurl/lib/curl_sha256.h b/Utilities/cmcurl/lib/curl_sha256.h
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+#ifndef HEADER_CURL_SHA256_H
+#define HEADER_CURL_SHA256_H
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2017, Florin Petriuc, <petriuc.florin@gmail.com>
+ * Copyright (C) 2018 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+#include "curl_hmac.h"
+
+extern const struct HMAC_params Curl_HMAC_SHA256[1];
+
+#ifdef USE_WOLFSSL
+/* SHA256_DIGEST_LENGTH is an enum value in wolfSSL. Need to import it from
+ * sha.h*/
+#include <wolfssl/options.h>
+#include <openssl/sha.h>
+#else
+#define SHA256_DIGEST_LENGTH 32
+#endif
+
+CURLcode Curl_sha256it(unsigned char *outbuffer, const unsigned char *input,
+ const size_t len);
+
+#endif
+
+#endif /* HEADER_CURL_SHA256_H */