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menu "Hardware crypto devices"
config CRYPTO_DEV_PADLOCK
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tristate "Support for VIA PadLock ACE"
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depends on X86_32
select CRYPTO_ALGAPI
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default m
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help
Some VIA processors come with an integrated crypto engine
(so called VIA PadLock ACE, Advanced Cryptography Engine)
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that provides instructions for very fast cryptographic
operations with supported algorithms.
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The instructions are used only when the CPU supports them.
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Otherwise software encryption is used.
Selecting M for this option will compile a helper module
padlock.ko that should autoload all below configured
algorithms. Don't worry if your hardware does not support
some or all of them. In such case padlock.ko will
simply write a single line into the kernel log informing
about its failure but everything will keep working fine.
If you are unsure, say M. The compiled module will be
called padlock.ko
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config CRYPTO_DEV_PADLOCK_AES
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tristate "PadLock driver for AES algorithm"
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depends on CRYPTO_DEV_PADLOCK
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default m
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help
Use VIA PadLock for AES algorithm.
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Available in VIA C3 and newer CPUs.
If unsure say M. The compiled module will be
called padlock-aes.ko
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config CRYPTO_DEV_PADLOCK_SHA
tristate "PadLock driver for SHA1 and SHA256 algorithms"
depends on CRYPTO_DEV_PADLOCK
select CRYPTO_SHA1
select CRYPTO_SHA256
default m
help
Use VIA PadLock for SHA1/SHA256 algorithms.
Available in VIA C7 and newer processors.
If unsure say M. The compiled module will be
called padlock-sha.ko
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endmenu