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[03/10] crypto: add CONFIG_ symbol for rsa helper

Message ID 1458325927-14737-3-git-send-email-tudor-dan.ambarus@nxp.com (mailing list archive)
State Changes Requested
Delegated to: Herbert Xu
Headers show

Commit Message

Tudor Ambarus March 18, 2016, 6:32 p.m. UTC 
All RSA implementations can now use the key extract symbols
by selecting CRYPTO_RSA_HELPER.

Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
---
 crypto/Kconfig  | 8 ++++++--
 crypto/Makefile | 6 +++---
 2 files changed, 9 insertions(+), 5 deletions(-)
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Patch

diff --git a/crypto/Kconfig b/crypto/Kconfig
index f6bfdda..2bdf882 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -93,11 +93,15 @@  config CRYPTO_AKCIPHER
 	select CRYPTO_AKCIPHER2
 	select CRYPTO_ALGAPI
 
-config CRYPTO_RSA
-	tristate "RSA algorithm"
+config CRYPTO_RSA_HELPER
+	bool "RSA key extract helper"
 	select CRYPTO_AKCIPHER
 	select MPILIB
 	select ASN1
+
+config CRYPTO_RSA
+	tristate "RSA algorithm"
+	select CRYPTO_RSA_HELPER
 	help
 	  Generic implementation of the RSA public key algorithm.
 
diff --git a/crypto/Makefile b/crypto/Makefile
index 4f4ef7e..d336d83 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -36,10 +36,10 @@  $(obj)/rsaprivkey-asn1.o: $(obj)/rsaprivkey-asn1.c $(obj)/rsaprivkey-asn1.h
 clean-files += rsapubkey-asn1.c rsapubkey-asn1.h
 clean-files += rsaprivkey-asn1.c rsaprivkey-asn1.h
 
-rsa_generic-y := rsapubkey-asn1.o
-rsa_generic-y += rsaprivkey-asn1.o
+crypto_rsa_helper-y += rsapubkey-asn1.o rsaprivkey-asn1.o rsa_helper.o
+obj-$(CONFIG_CRYPTO_RSA_HELPER) += crypto_rsa_helper.o
+
 rsa_generic-y += rsa.o
-rsa_generic-y += rsa_helper.o
 rsa_generic-y += rsa-pkcs1pad.o
 obj-$(CONFIG_CRYPTO_RSA) += rsa_generic.o