--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/openssl/cast.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,53 @@
+/*
+ * 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_CAST_H
+# define HEADER_CAST_H
+
+# include <openssl/opensslconf.h>
+
+# ifndef OPENSSL_NO_CAST
+# ifdef  __cplusplus
+extern "C" {
+# endif
+
+# define CAST_ENCRYPT    1
+# define CAST_DECRYPT    0
+
+# define CAST_LONG unsigned int
+
+# define CAST_BLOCK      8
+# define CAST_KEY_LENGTH 16
+
+typedef struct cast_key_st {
+    CAST_LONG data[32];
+    int short_key;              /* Use reduced rounds for short key */
+} CAST_KEY;
+
+void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);
+void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
+                      const CAST_KEY *key, int enc);
+void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key);
+void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key);
+void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,
+                      long length, const CAST_KEY *ks, unsigned char *iv,
+                      int enc);
+void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,
+                        long length, const CAST_KEY *schedule,
+                        unsigned char *ivec, int *num, int enc);
+void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
+                        long length, const CAST_KEY *schedule,
+                        unsigned char *ivec, int *num);
+
+# ifdef  __cplusplus
+}
+# endif
+# endif
+
+#endif