diff --git a/include/crypto/cryptodev.h b/include/crypto/cryptodev.h
index 6ea4f0ba5a..a9c231dfd4 100644
--- a/include/crypto/cryptodev.h
+++ b/include/crypto/cryptodev.h
@@ -1,6 +1,11 @@
 /****************************************************************************
  * include/crypto/cryptodev.h
- * $OpenBSD: cryptodev.h,v 1.58 2013/10/31 10:32:38 mikeb Exp $
+ *
+ * SPDX-License-Identifier: OAR AND BSD-2 Clause
+ * SPDX-FileCopyrightText: 2000 Angelos D. Keromytis
+ * SPDX-FileCopyrightText: 2001 Theo de Raadt
+ * SPDX-FileContributor: Angelos D. Keromytis (angelos@cis.upenn.edu)
+ *
  * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
  *
  * This code was written by Angelos D. Keromytis in Athens, Greece, in
diff --git a/include/crypto/cryptosoft.h b/include/crypto/cryptosoft.h
index e28f935412..d6603c40ca 100644
--- a/include/crypto/cryptosoft.h
+++ b/include/crypto/cryptosoft.h
@@ -1,6 +1,9 @@
 /****************************************************************************
  * include/crypto/cryptosoft.h
- * $OpenBSD: cryptosoft.h,v 1.14 2012/12/07 17:03:22 mikeb Exp $
+ *
+ * SPDX-License-Identifier: OAR
+ * SPDX-FileCopyrightText: 2000 Angelos D. Keromytis
+ * SPDX-FileContributor: Angelos D. Keromytis (angelos@cis.upenn.edu)
  *
  * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
  *
diff --git a/include/crypto/xform.h b/include/crypto/xform.h
index 02a02cd954..f168aa281d 100644
--- a/include/crypto/xform.h
+++ b/include/crypto/xform.h
@@ -1,6 +1,9 @@
 /****************************************************************************
  * include/crypto/xform.h
- * $OpenBSD: xform.h,v 1.32 2021/10/22 12:30:53 bluhm Exp $
+ *
+ * SPDX-License-Identifier: OAR
+ * SPDX-FileCopyrightText: 2000 Angelos D. Keromytis
+ * SPDX-FileContributor: Angelos D. Keromytis (angelos@cis.upenn.edu)
  *
  * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
  *
@@ -20,6 +23,7 @@
  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
  * PURPOSE.
+ *
  ****************************************************************************/
 
 #ifndef __INCLUDE_CRYPTO_XFORM_H