1 files changed, 9 insertions, 0 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 083d2e1dfc21..1f32071a3068 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -195,6 +195,15 @@ config CRYPTO_XTS
           key size 256, 384 or 512 bits. This implementation currently
           can't handle a sectorsize which is not a multiple of 16 bytes.
 
+config CRYPTO_CTR
+        tristate "CTR support"
+        select CRYPTO_BLKCIPHER
+        select CRYPTO_MANAGER
+        default m
+        help
+          CTR: Counter mode
+          This block cipher algorithm is required for IPSec.
+
 config CRYPTO_CRYPTD
         tristate "Software async crypto daemon"
         select CRYPTO_ABLKCIPHER