summaryrefslogtreecommitdiff
path: root/fs/crypto/hkdf.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/crypto/hkdf.c')
-rw-r--r--fs/crypto/hkdf.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/crypto/hkdf.c b/fs/crypto/hkdf.c
index 855a0f4b7318..0f3028adc9c7 100644
--- a/fs/crypto/hkdf.c
+++ b/fs/crypto/hkdf.c
@@ -1,6 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * This is used to derive keys from the fscrypt master keys.
+ * This is used to derive keys from the fscrypt master keys (or from the
+ * "software secrets" which hardware derives from the fscrypt master keys, in
+ * the case that the fscrypt master keys are hardware-wrapped keys).
*
* Copyright 2019 Google LLC
*/