diff --git a/setup.py b/setup.py
index 858079d..c93e94a 100644
--- a/setup.py
+++ b/setup.py
@@ -39,5 +39,7 @@ def read_files(files):
     'dotenvx'
     ],
     install_requires=[
+        'eciespy>=0.4.3',
+        'python-dotenv>=1.0.1',
     ],
 )
diff --git a/src/dotenvx/main.py b/src/dotenvx/main.py
index e9fe591..71dfa60 100644
--- a/src/dotenvx/main.py
+++ b/src/dotenvx/main.py
@@ -1,2 +1,48 @@
-def load_dotenvx():
-  raise NotImplementedError("go to [github.com/dotenvx/dotenvx] and follow python directions there")
+from typing import Optional, IO
+import dotenv
+
+import ecies
+import base64
+import os
+
+def decrypt_value(value: str, private_key: str) -> str:
+    private_key       = ecies.PrivateKey.from_hex(curve='secp256k1', sk_hex=private_key)
+    base64_ciphertext = value.lstrip('encrypted:')
+    ciphertext        = base64.b64decode(base64_ciphertext)
+    decrypted_value   = ecies.decrypt(private_key.to_hex(), ciphertext)
+    return decrypted_value.decode()
+
+def load_dotenvx(
+    dotenv_path: Optional[str]     = None,
+    stream     : Optional[IO[str]] = None,
+    verbose    : bool              = False,
+    override   : bool              = False,
+    interpolate: bool              = True,
+    encoding   : Optional[str]     = "utf-8",
+) -> bool:
+
+    return_value = False  # Set to True if at least one variable is set, otherwise False
+
+    env_values = dotenv.dotenv_values(
+        dotenv_path = dotenv_path,
+        stream      = stream,
+        verbose     = verbose,
+        interpolate = interpolate,
+        encoding    = encoding)
+    
+    env_keys_values = dotenv.dotenv_values('.env.keys')
+    dotenv_private_key = env_keys_values['DOTENV_PRIVATE_KEY']
+    
+    # Decrypt encrypted values
+    for key, value in env_values.items():
+        if value.startswith('encrypted:'):
+            env_values[key] = decrypt_value(value, dotenv_private_key)
+    
+    # Set environment variables
+    for key, value in env_values.items():
+        if key in os.environ and not override:
+            continue
+        os.environ[key] = value
+        return_value = True
+    
+    return return_value