New Alice

Libraries/Cryptografher/Cryptografher.cc

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+#include "Cryptografher.hh"
+
+int main() {
+  std::string key = generateNewKey(12);
+  std::cout << key << std::endl;
+}

Libraries/Cryptografher/Cryptografher.hh

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+#define CRYPTOGRAFHER_HH
+
+#include <iostream>
+#include <string>
+#include "xxhash.h"  // Include the header for XXHash
+#include <ctime>
+#include <unistd.h>
+
+// Now you can hash some strings via xxHash.
+//    
+// Usage:
+//    std::string input = "Hello, World!";
+//    size_t = hashStringXXH64(input, unsigned int seed);
+//
+size_t hashStringXXH64(const std::string &str, unsigned int seed) {
+    return XXH64(str.data(), str.size(), seed);  // 0 is the seed
+}
+
+// Generate some random string as a key.
+// 
+// Usage example:
+//    srand((unsigned)time(NULL) * getpid());
+//    std::string key= generateNewKey(12);
+std::string generateNewKey(const int len) {
+    static const char alphanum[] =
+        "0123456789"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+        "abcdefghijklmnopqrstuvwxyz";
+    std::string tmp_s;
+    tmp_s.reserve(len);
+
+    for (int i = 0; i < len; ++i)
+        tmp_s += alphanum[rand() % (sizeof(alphanum) - 1)];
+
+    return tmp_s;
+}
+
+

Libraries/Cryptografher/xxh3.h

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+/*
+ * xxHash - Extremely Fast Hash algorithm
+ * Development source file for `xxh3`
+ * Copyright (C) 2019-2021 Yann Collet
+ *
+ * BSD 2-Clause License (https://www.opensource.org/licenses/bsd-license.php)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above
+ *      copyright notice, this list of conditions and the following disclaimer
+ *      in the documentation and/or other materials provided with the
+ *      distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You can contact the author at:
+ *   - xxHash homepage: https://www.xxhash.com
+ *   - xxHash source repository: https://github.com/Cyan4973/xxHash
+ */
+
+/*
+ * Note: This file used to host the source code of XXH3_* variants.
+ * during the development period.
+ * The source code is now properly integrated within xxhash.h.
+ *
+ * xxh3.h is no longer useful,
+ * but it is still provided for compatibility with source code
+ * which used to include it directly.
+ *
+ * Programs are now highly discouraged to include xxh3.h.
+ * Include `xxhash.h` instead, which is the officially supported interface.
+ *
+ * In the future, xxh3.h will start to generate warnings, then errors,
+ * then it will be removed from source package and from include directory.
+ */
+
+/* Simulate the same impact as including the old xxh3.h source file */
+
+#define XXH_INLINE_ALL
+#include "xxhash.h"