crypto: Add userspace configuration API

This patch adds a basic userspace configuration API for the crypto layer.
With this it is possible to instantiate, remove and to show crypto
algorithms from userspace.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 7 insertions, 0 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 404a846b1e4..a8442dca024 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -100,6 +100,13 @@ config CRYPTO_MANAGER2
         select CRYPTO_BLKCIPHER2
         select CRYPTO_PCOMP2
 
+config CRYPTO_USER
+        tristate "Userspace cryptographic algorithm configuration"
+        select CRYPTO_MANAGER
+        help
+          Userapace configuration for cryptographic instantiations such as
+          cbc(aes).
+
 config CRYPTO_MANAGER_DISABLE_TESTS
         bool "Disable run-time self tests"
         default y