--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/openssl/rc2.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,51 @@
+/*
+ * 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_RC2_H
+# define HEADER_RC2_H
+
+# include <openssl/opensslconf.h>
+
+# ifndef OPENSSL_NO_RC2
+# ifdef  __cplusplus
+extern "C" {
+# endif
+
+typedef unsigned int RC2_INT;
+
+# define RC2_ENCRYPT     1
+# define RC2_DECRYPT     0
+
+# define RC2_BLOCK       8
+# define RC2_KEY_LENGTH  16
+
+typedef struct rc2_key_st {
+    RC2_INT data[64];
+} RC2_KEY;
+
+void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits);
+void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out,
+                     RC2_KEY *key, int enc);
+void RC2_encrypt(unsigned long *data, RC2_KEY *key);
+void RC2_decrypt(unsigned long *data, RC2_KEY *key);
+void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
+                     RC2_KEY *ks, unsigned char *iv, int enc);
+void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
+                       long length, RC2_KEY *schedule, unsigned char *ivec,
+                       int *num, int enc);
+void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,
+                       long length, RC2_KEY *schedule, unsigned char *ivec,
+                       int *num);
+
+# ifdef  __cplusplus
+}
+# endif
+# endif
+
+#endif