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+/*
+
+  Copyright (c) 2020 <bakasura@protonmail.ch>
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+
+*/
+
+#ifndef PLUGIN_HEXCHAT_FISHLIM_TEST_H
+#define PLUGIN_HEXCHAT_FISHLIM_TEST_H
+
+// Libs
+#include <stdio.h>
+#include <glib.h>
+// Project Libs
+#include "../fish.h"
+#include "../utils.h"
+#include "old_version/fish.h"
+
+/**
+ * Auxiliary function: Generate a random string
+ * @param out Preallocated string to fill
+ * @param len Size of bytes to fill
+ */
+void random_string(char *out, size_t len) {
+    GRand *rand = NULL;
+    int i = 0;
+
+    rand = g_rand_new();
+    for (i = 0; i < len; ++i) {
+        out[i] = g_rand_int_range(rand, 1, 256);
+    }
+
+    out[len] = 0;
+
+    g_rand_free(rand);
+}
+
+
+/**
+ * Check encrypt and decrypt in ECB mode and compare with old implementation
+ */
+void __ecb() {
+    char *bo64 = NULL, *b64 = NULL;
+    char *deo = NULL, *de = NULL;
+    int key_len, message_len = 0;
+    char key[57];
+    char message[1000];
+
+    /* Generate key 32–448 bits (Yes, I start with 8 bits) */
+    for (key_len = 1; key_len < 57; ++key_len) {
+
+        random_string(key, key_len);
+
+        for (message_len = 1; message_len < 1000; ++message_len) {
+            random_string(message, message_len);
+
+            /* Encrypt */
+            bo64 = __old_fish_encrypt(key, key_len, message);
+            g_assert_nonnull(bo64);
+            b64 = fish_encrypt(key, key_len, message, message_len, FISH_ECB_MODE);
+            g_assert_nonnull(b64);
+            g_assert_cmpuint(g_strcmp0(b64, bo64), == , 0);
+
+            /* Decrypt */
+            /* Linear */
+            deo = __old_fish_decrypt(key, key_len, bo64);
+            de = fish_decrypt_str(key, key_len, b64, FISH_ECB_MODE);
+            g_assert_nonnull(deo);
+            g_assert_nonnull(de);
+            g_assert_cmpuint(g_strcmp0(de, message), == , 0);
+            g_assert_cmpuint(g_strcmp0(deo, message), == , 0);
+            g_assert_cmpuint(g_strcmp0(de, deo), == , 0);
+            g_free(deo);
+            g_free(de);
+            /* Mixed */
+            deo = __old_fish_decrypt(key, key_len, b64);
+            de = fish_decrypt_str(key, key_len, bo64, FISH_ECB_MODE);
+            g_assert_nonnull(deo);
+            g_assert_nonnull(de);
+            g_assert_cmpuint(g_strcmp0(de, message), == , 0);
+            g_assert_cmpuint(g_strcmp0(deo, message), == , 0);
+            g_assert_cmpuint(g_strcmp0(de, deo), == , 0);
+            g_free(deo);
+            g_free(de);
+
+            /* Free */
+            g_free(bo64);
+            g_free(b64);
+        }
+    }
+}
+
+/**
+ * Check encrypt and decrypt in CBC mode
+ */
+void __cbc() {
+    char *b64 = NULL;
+    char *de = NULL;
+    int key_len, message_len = 0;
+    char key[57];
+    char message[1000];
+
+    /* Generate key 32–448 bits (Yes, I start with 8 bits) */
+    for (key_len = 1; key_len < 57; ++key_len) {
+
+        random_string(key, key_len);
+
+        for (message_len = 1; message_len < 1000; ++message_len) {
+            random_string(message, message_len);
+
+            /* Encrypt */
+            b64 = fish_encrypt(key, key_len, message, message_len, FISH_CBC_MODE);
+            g_assert_nonnull(b64);
+
+            /* Decrypt */
+            /* Linear */
+            de = fish_decrypt_str(key, key_len, b64, FISH_CBC_MODE);
+            g_assert_nonnull(de);
+            g_assert_cmpuint(g_strcmp0(de, message), == , 0);
+            g_free(de);
+
+            /* Free */
+            g_free(b64);
+        }
+    }
+}
+
+/**
+ * Check the calculation of final length from an encoded string in Base64
+ */
+void __base64_len() {
+    char *b64 = NULL;
+    int i, message_len = 0;
+    char message[1000];
+
+    for (i = 0; i < 10; ++i) {
+
+        for (message_len = 1; message_len < 1000; ++message_len) {
+            random_string(message, message_len);
+            b64 = g_base64_encode((const unsigned char *) message, message_len);
+            g_assert_nonnull(b64);
+            g_assert_cmpuint(strlen(b64), == , base64_len(message_len));
+            g_free(b64);
+        }
+    }
+}
+
+/**
+ * Check the calculation of final length from an encoded string in BlowcryptBase64
+ */
+void __base64_fish_len() {
+    char *b64 = NULL;
+    int i, message_len = 0;
+    char message[1000];
+
+    for (i = 0; i < 10; ++i) {
+
+        for (message_len = 1; message_len < 1000; ++message_len) {
+            random_string(message, message_len);
+            b64 = fish_base64_encode(message, message_len);
+            g_assert_nonnull(b64);
+            g_assert_cmpuint(strlen(b64), == , base64_fish_len(message_len));
+            g_free(b64);
+        }
+    }
+}
+
+
+/**
+ * Check the calculation of final length from an encrypted string in ECB mode
+ */
+void __base64_ecb_len() {
+    char *b64 = NULL;
+    int key_len, message_len = 0;
+    char key[57];
+    char message[1000];
+
+    /* Generate key 32–448 bits (Yes, I start with 8 bits) */
+    for (key_len = 1; key_len < 57; ++key_len) {
+
+        random_string(key, key_len);
+
+        for (message_len = 1; message_len < 1000; ++message_len) {
+            random_string(message, message_len);
+            b64 = fish_encrypt(key, key_len, message, message_len, FISH_ECB_MODE);
+            g_assert_nonnull(b64);
+            g_assert_cmpuint(strlen(b64), == , ecb_len(message_len));
+            g_free(b64);
+        }
+    }
+}
+
+/**
+ * Check the calculation of final length from an encrypted string in CBC mode
+ */
+void __base64_cbc_len() {
+    char *b64 = NULL;
+    int key_len, message_len = 0;
+    char key[57];
+    char message[1000];
+
+    /* Generate key 32–448 bits (Yes, I start with 8 bits) */
+    for (key_len = 1; key_len < 57; ++key_len) {
+
+        random_string(key, key_len);
+
+        for (message_len = 1; message_len < 1000; ++message_len) {
+            random_string(message, message_len);
+            b64 = fish_encrypt(key, key_len, message, message_len, FISH_CBC_MODE);
+            g_assert_nonnull(b64);
+            g_assert_cmpuint(strlen(b64), == , cbc_len(message_len));
+            g_free(b64);
+        }
+    }
+}
+
+int main(int argc, char *argv[]) {
+
+    g_test_init(&argc, &argv, NULL);
+
+    g_test_add_func("/fishlim/__ecb", __ecb);
+    g_test_add_func("/fishlim/__cbc", __ecb);
+    g_test_add_func("/fishlim/__base64_len", __base64_len);
+    g_test_add_func("/fishlim/__base64_fish_len", __base64_fish_len);
+    g_test_add_func("/fishlim/__base64_ecb_len", __base64_ecb_len);
+    g_test_add_func("/fishlim/__base64_cbc_len", __base64_cbc_len);
+
+    return g_test_run();
+}
+
+#endif //PLUGIN_HEXCHAT_FISHLIM_TEST_H
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