lib: digital signature dependency fix

[firefly-linux-kernel-4.4.55.git] / lib / Kconfig

diff --git a/lib/Kconfig b/lib/Kconfig
index 854735d96dc3ea2274e5280087793b9834f6bffc..dbaf19ea84e8705dbce061f982dbbdd561e57c56 100644 (file)
--- 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.