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-rw-r--r--drivers/crypto/Kconfig65
1 files changed, 43 insertions, 22 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index e54185223c8c..c64c3807f516 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -91,6 +91,8 @@ config CRYPTO_SHA1_S390
This is the s390 hardware accelerated implementation of the
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
+ It is available as of z990.
+
config CRYPTO_SHA256_S390
tristate "SHA256 digest algorithm"
depends on S390
@@ -99,8 +101,7 @@ config CRYPTO_SHA256_S390
This is the s390 hardware accelerated implementation of the
SHA256 secure hash standard (DFIPS 180-2).
- This version of SHA implements a 256 bit hash with 128 bits of
- security against collision attacks.
+ It is available as of z9.
config CRYPTO_SHA512_S390
tristate "SHA384 and SHA512 digest algorithm"
@@ -110,10 +111,7 @@ config CRYPTO_SHA512_S390
This is the s390 hardware accelerated implementation of the
SHA512 secure hash standard.
- This version of SHA implements a 512 bit hash with 256 bits of
- security against collision attacks. The code also includes SHA-384,
- a 384 bit hash with 192 bits of security against collision attacks.
-
+ It is available as of z10.
config CRYPTO_DES_S390
tristate "DES and Triple DES cipher algorithms"
@@ -121,9 +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
@@ -131,20 +132,15 @@ config CRYPTO_AES_S390
select CRYPTO_BLKCIPHER
help
This is the s390 hardware accelerated implementation of the
- AES cipher algorithms (FIPS-197). AES uses the Rijndael
- algorithm.
-
- Rijndael appears to be consistently a very good performer in
- both hardware and software across a wide range of computing
- environments regardless of its use in feedback or non-feedback
- modes. Its key setup time is excellent, and its key agility is
- good. Rijndael's very low memory requirements make it very well
- suited for restricted-space environments, in which it also
- demonstrates excellent performance. Rijndael's operations are
- among the easiest to defend against power and timing attacks.
+ AES cipher algorithms (FIPS-197).
- On s390 the System z9-109 currently only supports the key size
- of 128 bit.
+ As of z9 the ECB and CBC modes are hardware accelerated
+ for 128 bit keys.
+ As of z10 the ECB and CBC modes are hardware accelerated
+ for all AES key sizes.
+ 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
tristate "Pseudo random number generator device driver"
@@ -154,8 +150,20 @@ config S390_PRNG
Select this option if you want to use the s390 pseudo random number
generator. The PRNG is part of the cryptographic processor functions
and uses triple-DES to generate secure random numbers like the
- ANSI X9.17 standard. The PRNG is usable via the char device
- /dev/prandom.
+ ANSI X9.17 standard. User-space programs access the
+ pseudo-random-number device through the char device /dev/prandom.
+
+ It is available as of z9.
+
+config CRYPTO_GHASH_S390
+ tristate "GHASH digest algorithm"
+ depends on S390
+ select CRYPTO_HASH
+ help
+ This is the s390 hardware accelerated implementation of the
+ GHASH message digest algorithm for GCM (Galois/Counter Mode).
+
+ It is available as of z196.
config CRYPTO_DEV_MV_CESA
tristate "Marvell's Cryptographic Engine"
@@ -200,6 +208,8 @@ config CRYPTO_DEV_HIFN_795X_RNG
Select this option if you want to enable the random number generator
on the HIFN 795x crypto adapters.
+source drivers/crypto/caam/Kconfig
+
config CRYPTO_DEV_TALITOS
tristate "Talitos Freescale Security Engine (SEC)"
select CRYPTO_ALGAPI
@@ -269,4 +279,15 @@ config CRYPTO_DEV_PICOXCELL
Saying m here will build a module named pipcoxcell_crypto.
+config CRYPTO_DEV_S5P
+ tristate "Support for Samsung S5PV210 crypto accelerator"
+ depends on ARCH_S5PV210
+ select CRYPTO_AES
+ select CRYPTO_ALGAPI
+ select CRYPTO_BLKCIPHER
+ help
+ This option allows you to have support for S5P crypto acceleration.
+ Select this to offload Samsung S5PV210 or S5PC110 from AES
+ algorithms execution.
+
endif # CRYPTO_HW