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[PATCH] s390: aes support

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Add support for the hardware accelerated AES crypto algorithm.

Signed-off-by: Jan Glauber <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jan Glauber 2006-01-06 00:19:18 -08:00 • committed by Linus Torvalds
commit bf754ae8ef
6 changed files with 308 additions and 14 deletions
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20
crypto/Kconfig
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@ -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