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-rw-r--r--drivers/crypto/Kconfig8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index dc601ff4bcfd..c64c3807f516 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -119,9 +119,12 @@ config CRYPTO_DES_S390
select CRYPTO_ALGAPI
select CRYPTO_BLKCIPHER
help
- This us the s390 hardware accelerated implementation of the
+ This is the s390 hardware accelerated implementation of the
DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
+ As of z990 the ECB and CBC mode are hardware accelerated.
+ As of z196 the CTR mode is hardware accelerated.
+
config CRYPTO_AES_S390
tristate "AES cipher algorithms"
depends on S390
@@ -135,7 +138,8 @@ config CRYPTO_AES_S390
for 128 bit keys.
As of z10 the ECB and CBC modes are hardware accelerated
for all AES key sizes.
- As of z196 the XTS mode is hardware accelerated for 256 and
+ As of z196 the CTR mode is hardware accelerated for all AES
+ key sizes and XTS mode is hardware accelerated for 256 and
512 bit keys.
config S390_PRNG