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authorHarald Freudenberger <freude@linux.vnet.ibm.com>2017-05-11 17:15:54 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-06-12 16:25:58 +0200
commitc4684f98d3453dd07cc7ce67e0e795330eeec9c5 (patch)
tree2e2263ae2f7641a0399a7618007b2dd3a14e2bd6
parenta1b19d07ca71d6c60b49771f244fc6536cd15358 (diff)
s390/crypto: fix aes/paes Kconfig dependeny
The s390_paes and the s390_aes kernel module used just one config symbol CONFIG_CRYPTO_AES. As paes has a dependency to PKEY and this requires ZCRYPT the aes module also had a dependency to the zcrypt device driver which is not true. Fixed by introducing a new config symbol CONFIG_CRYPTO_PAES which has dependencies to PKEY and ZCRYPT. Removed the dependency for the aes module to ZCRYPT. Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/crypto/Makefile3
-rw-r--r--drivers/crypto/Kconfig15
2 files changed, 16 insertions, 2 deletions
diff --git a/arch/s390/crypto/Makefile b/arch/s390/crypto/Makefile
index 678d9863e3f0..ad4bd777768d 100644
--- a/arch/s390/crypto/Makefile
+++ b/arch/s390/crypto/Makefile
@@ -6,7 +6,8 @@ obj-$(CONFIG_CRYPTO_SHA1_S390) += sha1_s390.o sha_common.o
obj-$(CONFIG_CRYPTO_SHA256_S390) += sha256_s390.o sha_common.o
obj-$(CONFIG_CRYPTO_SHA512_S390) += sha512_s390.o sha_common.o
obj-$(CONFIG_CRYPTO_DES_S390) += des_s390.o
-obj-$(CONFIG_CRYPTO_AES_S390) += aes_s390.o paes_s390.o
+obj-$(CONFIG_CRYPTO_AES_S390) += aes_s390.o
+obj-$(CONFIG_CRYPTO_PAES_S390) += paes_s390.o
obj-$(CONFIG_S390_PRNG) += prng.o
obj-$(CONFIG_CRYPTO_GHASH_S390) += ghash_s390.o
obj-$(CONFIG_CRYPTO_CRC32_S390) += crc32-vx_s390.o
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index fb1e60f5002e..9c7951bb05ac 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -89,6 +89,20 @@ config PKEY
requires to have at least one CEX card in coprocessor mode
available at runtime.
+config CRYPTO_PAES_S390
+ tristate "PAES cipher algorithms"
+ depends on S390
+ depends on ZCRYPT
+ depends on PKEY
+ select CRYPTO_ALGAPI
+ select CRYPTO_BLKCIPHER
+ help
+ This is the s390 hardware accelerated implementation of the
+ AES cipher algorithms for use with protected key.
+
+ Select this option if you want to use the paes cipher
+ for example to use protected key encrypted devices.
+
config CRYPTO_SHA1_S390
tristate "SHA1 digest algorithm"
depends on S390
@@ -137,7 +151,6 @@ config CRYPTO_AES_S390
depends on S390
select CRYPTO_ALGAPI
select CRYPTO_BLKCIPHER
- select PKEY
help
This is the s390 hardware accelerated implementation of the
AES cipher algorithms (FIPS-197).