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- menu "Hardware crypto devices"
- config CRYPTO_DEV_PADLOCK
- tristate "Support for VIA PadLock ACE"
- depends on X86_32
- select CRYPTO_ALGAPI
- default m
- help
- Some VIA processors come with an integrated crypto engine
- (so called VIA PadLock ACE, Advanced Cryptography Engine)
- that provides instructions for very fast cryptographic
- operations with supported algorithms.
-
- The instructions are used only when the CPU supports them.
- 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
- config CRYPTO_DEV_PADLOCK_AES
- tristate "PadLock driver for AES algorithm"
- depends on CRYPTO_DEV_PADLOCK
- select CRYPTO_BLKCIPHER
- default m
- help
- Use VIA PadLock for AES algorithm.
- Available in VIA C3 and newer CPUs.
- If unsure say M. The compiled module will be
- called padlock-aes.ko
- 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
- endmenu
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