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| author | Jan Glauber <jan.glauber@de.ibm.com> | 2006-01-06 00:19:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:33:50 -0800 |
| commit | bf754ae8ef8bc443c067601d9401103e4001e7c5 (patch) | |
| tree | 4241bc75205a638006f40f577e99430099bbe53e /crypto | |
| parent | 0a497c17fee428604e06320272ff74415eacdc31 (diff) | |
| download | linux-bf754ae8ef8bc443c067601d9401103e4001e7c5.tar.gz | |
[PATCH] s390: aes support
Add support for the hardware accelerated AES crypto algorithm. Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/Kconfig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 9fdab742b10f..c696f7ab729e 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -215,6 +215,26 @@ config CRYPTO_AES_X86_64 See <http://csrc.nist.gov/encryption/aes/> for more information. +config CRYPTO_AES_S390 + tristate "AES cipher algorithms (s390)" + depends on CRYPTO && ARCH_S390 + 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. + + On s390 the System z9-109 currently only supports the key size + of 128 bit. + config CRYPTO_CAST5 tristate "CAST5 (CAST-128) cipher algorithm" depends on CRYPTO |