--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/openssl/mdc2.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,42 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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 HEADER_MDC2_H
+# define HEADER_MDC2_H
+
+# include <openssl/opensslconf.h>
+
+#ifndef OPENSSL_NO_MDC2
+# include <stdlib.h>
+# include <openssl/des.h>
+# ifdef  __cplusplus
+extern "C" {
+# endif
+
+# define MDC2_BLOCK              8
+# define MDC2_DIGEST_LENGTH      16
+
+typedef struct mdc2_ctx_st {
+    unsigned int num;
+    unsigned char data[MDC2_BLOCK];
+    DES_cblock h, hh;
+    int pad_type;               /* either 1 or 2, default 1 */
+} MDC2_CTX;
+
+int MDC2_Init(MDC2_CTX *c);
+int MDC2_Update(MDC2_CTX *c, const unsigned char *data, size_t len);
+int MDC2_Final(unsigned char *md, MDC2_CTX *c);
+unsigned char *MDC2(const unsigned char *d, size_t n, unsigned char *md);
+
+# ifdef  __cplusplus
+}
+# endif
+# endif
+
+#endif