diff --git a/src/Kryptor/AsymmetricCryptography/AsymmetricKeys.cs b/src/Kryptor/AsymmetricCryptography/AsymmetricKeys.cs
index 5b67e0c..9e429b5 100644
--- a/src/Kryptor/AsymmetricCryptography/AsymmetricKeys.cs
+++ b/src/Kryptor/AsymmetricCryptography/AsymmetricKeys.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/AsymmetricCryptography/PrivateKey.cs b/src/Kryptor/AsymmetricCryptography/PrivateKey.cs
index e87a755..87eede6 100644
--- a/src/Kryptor/AsymmetricCryptography/PrivateKey.cs
+++ b/src/Kryptor/AsymmetricCryptography/PrivateKey.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/DigitalSignatures/DigitalSignatures.cs b/src/Kryptor/DigitalSignatures/DigitalSignatures.cs
index 835ffc5..d3ebb2b 100644
--- a/src/Kryptor/DigitalSignatures/DigitalSignatures.cs
+++ b/src/Kryptor/DigitalSignatures/DigitalSignatures.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/DigitalSignatures/FileSigning.cs b/src/Kryptor/DigitalSignatures/FileSigning.cs
index 38f5646..9c96786 100644
--- a/src/Kryptor/DigitalSignatures/FileSigning.cs
+++ b/src/Kryptor/DigitalSignatures/FileSigning.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/FileEncryption/DecryptFile.cs b/src/Kryptor/FileEncryption/DecryptFile.cs
index 7c29753..d251fa7 100644
--- a/src/Kryptor/FileEncryption/DecryptFile.cs
+++ b/src/Kryptor/FileEncryption/DecryptFile.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/FileEncryption/EncryptFile.cs b/src/Kryptor/FileEncryption/EncryptFile.cs
index 0d5075b..8022c97 100644
--- a/src/Kryptor/FileEncryption/EncryptFile.cs
+++ b/src/Kryptor/FileEncryption/EncryptFile.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/FileEncryption/FileDecryption.cs b/src/Kryptor/FileEncryption/FileDecryption.cs
index e24cbe0..6013070 100644
--- a/src/Kryptor/FileEncryption/FileDecryption.cs
+++ b/src/Kryptor/FileEncryption/FileDecryption.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/FileEncryption/FileEncryption.cs b/src/Kryptor/FileEncryption/FileEncryption.cs
index ccd81e5..11dbb6a 100644
--- a/src/Kryptor/FileEncryption/FileEncryption.cs
+++ b/src/Kryptor/FileEncryption/FileEncryption.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/GeneralPurpose/FileHandling.cs b/src/Kryptor/GeneralPurpose/FileHandling.cs
index 7411179..e3dc6ad 100644
--- a/src/Kryptor/GeneralPurpose/FileHandling.cs
+++ b/src/Kryptor/GeneralPurpose/FileHandling.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/GlobalVariables/Constants.cs b/src/Kryptor/GlobalVariables/Constants.cs
index c5bf179..82d4862 100644
--- a/src/Kryptor/GlobalVariables/Constants.cs
+++ b/src/Kryptor/GlobalVariables/Constants.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/GlobalVariables/ErrorMessages.cs b/src/Kryptor/GlobalVariables/ErrorMessages.cs
index 3b39c29..114dc3b 100644
--- a/src/Kryptor/GlobalVariables/ErrorMessages.cs
+++ b/src/Kryptor/GlobalVariables/ErrorMessages.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/GlobalVariables/GlobalVariables.cs b/src/Kryptor/GlobalVariables/GlobalVariables.cs
index c80687a..d921411 100644
--- a/src/Kryptor/GlobalVariables/GlobalVariables.cs
+++ b/src/Kryptor/GlobalVariables/GlobalVariables.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/Kryptor.csproj b/src/Kryptor/Kryptor.csproj
index 708ca03..f8297d9 100644
--- a/src/Kryptor/Kryptor.csproj
+++ b/src/Kryptor/Kryptor.csproj
@@ -20,7 +20,7 @@
Samuel Lucas
Kryptor
A simple, modern, and secure encryption and signing tool.
- Copyright © 2020-2023 Samuel Lucas
+ Copyright © 2020-2025 Samuel Lucas
https://www.kryptor.co.uk
Kryptor.png
https://github.com/samuel-lucas6/Kryptor
diff --git a/src/Kryptor/Program.cs b/src/Kryptor/Program.cs
index e720d54..fbc3fdc 100644
--- a/src/Kryptor/Program.cs
+++ b/src/Kryptor/Program.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/UI/CommandLine.cs b/src/Kryptor/UI/CommandLine.cs
index b61008d..a914b78 100644
--- a/src/Kryptor/UI/CommandLine.cs
+++ b/src/Kryptor/UI/CommandLine.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/UI/DisplayMessage.cs b/src/Kryptor/UI/DisplayMessage.cs
index c0e6926..2a0262e 100644
--- a/src/Kryptor/UI/DisplayMessage.cs
+++ b/src/Kryptor/UI/DisplayMessage.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/UI/PassphrasePrompt.cs b/src/Kryptor/UI/PassphrasePrompt.cs
index f88421b..e6361f5 100644
--- a/src/Kryptor/UI/PassphrasePrompt.cs
+++ b/src/Kryptor/UI/PassphrasePrompt.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/Validation/AsymmetricKeyValidation.cs b/src/Kryptor/Validation/AsymmetricKeyValidation.cs
index 90d5d08..e6a2961 100644
--- a/src/Kryptor/Validation/AsymmetricKeyValidation.cs
+++ b/src/Kryptor/Validation/AsymmetricKeyValidation.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/Validation/ExceptionFilters.cs b/src/Kryptor/Validation/ExceptionFilters.cs
index ffee493..5196199 100644
--- a/src/Kryptor/Validation/ExceptionFilters.cs
+++ b/src/Kryptor/Validation/ExceptionFilters.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/Validation/FileEncryptionValidation.cs b/src/Kryptor/Validation/FileEncryptionValidation.cs
index d47e0a2..05aa6db 100644
--- a/src/Kryptor/Validation/FileEncryptionValidation.cs
+++ b/src/Kryptor/Validation/FileEncryptionValidation.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/Validation/SigningValidation.cs b/src/Kryptor/Validation/SigningValidation.cs
index ff55db5..80722e0 100644
--- a/src/Kryptor/Validation/SigningValidation.cs
+++ b/src/Kryptor/Validation/SigningValidation.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/Validation/SymmetricKeyValidation.cs b/src/Kryptor/Validation/SymmetricKeyValidation.cs
index 96fa3af..f70e2d3 100644
--- a/src/Kryptor/Validation/SymmetricKeyValidation.cs
+++ b/src/Kryptor/Validation/SymmetricKeyValidation.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
diff --git a/src/Kryptor/Validation/UserInputException.cs b/src/Kryptor/Validation/UserInputException.cs
index c74ad59..cbbf988 100644
--- a/src/Kryptor/Validation/UserInputException.cs
+++ b/src/Kryptor/Validation/UserInputException.cs
@@ -1,6 +1,6 @@
/*
Kryptor: A simple, modern, and secure encryption and signing tool.
- Copyright (C) 2020-2023 Samuel Lucas
+ Copyright (C) 2020-2025 Samuel Lucas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by