[PATCH 4/4] crypto: kdf - enable compilation

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Include KDF into Kconfig and Makefile for compilation

Signed-off-by: Stephan Mueller <smueller@xxxxxxxxxx>
---
 crypto/Kconfig  | 7 +++++++
 crypto/Makefile | 1 +
 2 files changed, 8 insertions(+)

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 7240821..aa4e1a4 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -355,6 +355,13 @@ config CRYPTO_KEYWRAP
 	  Support for key wrapping (NIST SP800-38F / RFC3394) without
 	  padding.
 
+config CRYPTO_KDF
+	tristate "Key Derivation Function (SP800-108)"
+	select CRYPTO_RNG
+	help
+	  Support for KDF compliant to SP800-108. All three types of
+	  KDF specified in SP800-108 are implemented.
+
 comment "Hash modes"
 
 config CRYPTO_CMAC
diff --git a/crypto/Makefile b/crypto/Makefile
index 2acdbbd..79a2092 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -72,6 +72,7 @@ obj-$(CONFIG_CRYPTO_LRW) += lrw.o
 obj-$(CONFIG_CRYPTO_XTS) += xts.o
 obj-$(CONFIG_CRYPTO_CTR) += ctr.o
 obj-$(CONFIG_CRYPTO_KEYWRAP) += keywrap.o
+obj-$(CONFIG_CRYPTO_KDF) += kdf.o
 obj-$(CONFIG_CRYPTO_GCM) += gcm.o
 obj-$(CONFIG_CRYPTO_CCM) += ccm.o
 obj-$(CONFIG_CRYPTO_CHACHA20POLY1305) += chacha20poly1305.o
-- 
2.5.0


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