1 files changed, 123 insertions, 0 deletions
diff --git a/vendor/paragonie/sodium_compat/src/Core/Curve25519/Fe.php b/vendor/paragonie/sodium_compat/src/Core/Curve25519/Fe.php
new file mode 100644
index 0000000..64c489a
--- /dev/null
+++ b/vendor/paragonie/sodium_compat/src/Core/Curve25519/Fe.php
@@ -0,0 +1,123 @@
+<?php
+
+if (class_exists('ParagonIE_Sodium_Core_Curve25519_Fe', false)) {
+    return;
+}
+
+/**
+ * Class ParagonIE_Sodium_Core_Curve25519_Fe
+ *
+ * This represents a Field Element
+ */
+class ParagonIE_Sodium_Core_Curve25519_Fe implements ArrayAccess
+{
+    /**
+     * @var array<int, int>
+     */
+    protected $container = array();
+
+    /**
+     * @var int
+     */
+    protected $size = 10;
+
+    /**
+     * @internal You should not use this directly from another application
+     *
+     * @param array<int, int> $array
+     * @param bool $save_indexes
+     * @return self
+     */
+    public static function fromArray($array, $save_indexes = null)
+    {
+        $count = count($array);
+        if ($save_indexes) {
+            $keys = array_keys($array);
+        } else {
+            $keys = range(0, $count - 1);
+        }
+        $array = array_values($array);
+        /** @var array<int, int> $keys */
+
+        $obj = new ParagonIE_Sodium_Core_Curve25519_Fe();
+        if ($save_indexes) {
+            for ($i = 0; $i < $count; ++$i) {
+                $obj->offsetSet($keys[$i], $array[$i]);
+            }
+        } else {
+            for ($i = 0; $i < $count; ++$i) {
+                $obj->offsetSet($i, $array[$i]);
+            }
+        }
+        return $obj;
+    }
+
+    /**
+     * @internal You should not use this directly from another application
+     *
+     * @param int|null $offset
+     * @param int $value
+     * @return void
+     * @psalm-suppress MixedArrayOffset
+     */
+    public function offsetSet($offset, $value)
+    {
+        if (!is_int($value)) {
+            throw new InvalidArgumentException('Expected an integer');
+        }
+        if (is_null($offset)) {
+            $this->container[] = $value;
+        } else {
+            $this->container[$offset] = $value;
+        }
+    }
+
+    /**
+     * @internal You should not use this directly from another application
+     *
+     * @param int $offset
+     * @return bool
+     * @psalm-suppress MixedArrayOffset
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->container[$offset]);
+    }
+
+    /**
+     * @internal You should not use this directly from another application
+     *
+     * @param int $offset
+     * @return void
+     * @psalm-suppress MixedArrayOffset
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->container[$offset]);
+    }
+
+    /**
+     * @internal You should not use this directly from another application
+     *
+     * @param int $offset
+     * @return int
+     * @psalm-suppress MixedArrayOffset
+     */
+    public function offsetGet($offset)
+    {
+        if (!isset($this->container[$offset])) {
+            $this->container[$offset] = 0;
+        }
+        return (int) ($this->container[$offset]);
+    }
+
+    /**
+     * @internal You should not use this directly from another application
+     *
+     * @return array
+     */
+    public function __debugInfo()
+    {
+        return array(implode(', ', $this->container));
+    }
+}