10 files changed, 30 insertions, 0 deletions
diff --git a/bitwise.go b/bitwise.go
index b9b6f47..cde7bca 100644
--- a/bitwise.go
+++ b/bitwise.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 func validateBitZeros(bs []byte, n uint) bool {
diff --git a/bitwise_test.go b/bitwise_test.go
index 394d407..18b8265 100644
--- a/bitwise_test.go
+++ b/bitwise_test.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 import (
diff --git a/csolver.go b/csolver.go
index af4328b..3766ca4 100644
--- a/csolver.go
+++ b/csolver.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 const solverProgram = `
diff --git a/flags.go b/flags.go
index ee3b817..abb1ace 100644
--- a/flags.go
+++ b/flags.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 import "flag"
diff --git a/main.go b/main.go
index 2b6bc77..a2113ec 100644
--- a/main.go
+++ b/main.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 import (
diff --git a/privkey.go b/privkey.go
index bad6f80..39a0f77 100644
--- a/privkey.go
+++ b/privkey.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 import (
diff --git a/proxy.go b/proxy.go
index 30fe0b8..215ecaa 100644
--- a/proxy.go
+++ b/proxy.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 import (
diff --git a/tmpl.go b/tmpl.go
index e6f7841..81659ea 100644
--- a/tmpl.go
+++ b/tmpl.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 import (
diff --git a/token.go b/token.go
index 74bf903..f704383 100644
--- a/token.go
+++ b/token.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 import (
diff --git a/unsafe.go b/unsafe.go
index 4a7b2d0..a7c99ed 100644
--- a/unsafe.go
+++ b/unsafe.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 import "unsafe"