diff --git a/sparc/aes.asm b/sparc/aes.asm
index c2420ba75e58e25bd53aa7012189e07716d5b37f..4a9af34b0a79e21e67c15f8ac2d1853ca0389bcb 100644
--- a/sparc/aes.asm
+++ b/sparc/aes.asm
@@ -1,4 +1,23 @@
 ! -*- mode: asm; asm-comment-char: ?!; -*-  
+! nettle, low-level cryptographics library
+! 
+! Copyright (C) 2002 Niels Möller
+!  
+! The nettle library is free software; you can redistribute it and/or modify
+! it under the terms of the GNU Lesser General Public License as published by
+! the Free Software Foundation; either version 2.1 of the License, or (at your
+! option) any later version.
+! 
+! The nettle library is distributed in the hope that it will be useful, but
+! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+! or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+! License for more details.
+! 
+! You should have received a copy of the GNU Lesser General Public License
+! along with the nettle library; see the file COPYING.LIB.  If not, write to
+! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+! MA 02111-1307, USA.
+
 	! Used registers:	%l0,1,2,3,4,5,6,7
 	!			%i0,1,2,3,4 (%i6=%fp, %i7 = return)
 	!			%o0,1,2,3 (%o6=%sp)
diff --git a/x86/aes.asm b/x86/aes.asm
index 96c3048273794a972dbafcacce51c954d8d9fd17..b3d362d10843c4978b8504d909daff4cb918a7e5 100644
--- a/x86/aes.asm
+++ b/x86/aes.asm
@@ -1,3 +1,22 @@
+! nettle, low-level cryptographics library
+! 
+! Copyright (C) 2001, 2002 Rafael R. Sevilla
+!  
+! The nettle library is free software; you can redistribute it and/or modify
+! it under the terms of the GNU Lesser General Public License as published by
+! the Free Software Foundation; either version 2.1 of the License, or (at your
+! option) any later version.
+! 
+! The nettle library is distributed in the hope that it will be useful, but
+! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+! or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+! License for more details.
+! 
+! You should have received a copy of the GNU Lesser General Public License
+! along with the nettle library; see the file COPYING.LIB.  If not, write to
+! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+! MA 02111-1307, USA.
+
 	.file	"rijndael.s"
 
 	.data