1 files changed, 2 insertions, 1 deletions

diff --git a/lib/Kconfig b/lib/Kconfig
index 854735d96dc3..dbaf19ea84e8 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -304,7 +304,8 @@ config MPILIB_EXTRA
 
 config SIGNATURE
         tristate "In-kernel signature checker"
-        depends on KEYS
+        depends on KEYS && CRYPTO
+        select CRYPTO_SHA1
         select MPILIB
         help
           Digital signature verification. Currently only RSA is supported.