crypto: algif_rng - enable RNG interface compilation

Enable compilation of the RNG AF_ALG support and provide a Kconfig
option to compile the RNG AF_ALG support.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

2 files changed, 10 insertions, 0 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 1618468b1fcb..50f4da44a304 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1514,6 +1514,15 @@ config CRYPTO_USER_API_SKCIPHER
           This option enables the user-spaces interface for symmetric
           key cipher algorithms.
 
+config CRYPTO_USER_API_RNG
+        tristate "User-space interface for random number generator algorithms"
+        depends on NET
+        select CRYPTO_RNG
+        select CRYPTO_USER_API
+        help
+          This option enables the user-spaces interface for random
+          number generator algorithms.
+
 config CRYPTO_HASH_INFO
         bool
 
diff --git a/crypto/Makefile b/crypto/Makefile
index 1445b9100c05..ba19465f9ad3 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -99,6 +99,7 @@ obj-$(CONFIG_CRYPTO_GHASH) += ghash-generic.o
 obj-$(CONFIG_CRYPTO_USER_API) += af_alg.o
 obj-$(CONFIG_CRYPTO_USER_API_HASH) += algif_hash.o
 obj-$(CONFIG_CRYPTO_USER_API_SKCIPHER) += algif_skcipher.o
+obj-$(CONFIG_CRYPTO_USER_API_RNG) += algif_rng.o
 
 #
 # generic algorithms and the async_tx api