KEYS: encrypted: fix key instantiation with user-provided data

[linux-2.6-microblaze.git] / Documentation / security / keys / trusted-encrypted.rst

diff --git a/Documentation/security/keys/trusted-encrypted.rst b/Documentation/security/keys/trusted-encrypted.rst
index 0bfb4c3..9bc9db8 100644 (file)
--- a/Documentation/security/keys/trusted-encrypted.rst
+++ b/Documentation/security/keys/trusted-encrypted.rst
@@ -350,7 +350,8 @@ Load an encrypted key "evm" from saved blob::
 
 Instantiate an encrypted key "evm" using user-provided decrypted data::
 
-    $ keyctl add encrypted evm "new default user:kmk 32 `cat evm_decrypted_data.blob`" @u
+    $ evmkey=$(dd if=/dev/urandom bs=1 count=32 | xxd -c32 -p)
+    $ keyctl add encrypted evm "new default user:kmk 32 $evmkey" @u
     794890253
 
     $ keyctl print 794890253