1menu "Hardware crypto devices" 2 3config CRYPTO_DEV_PADLOCK 4 tristate "Support for VIA PadLock ACE" 5 depends on X86_32 6 select CRYPTO_ALGAPI 7 default m 8 help 9 Some VIA processors come with an integrated crypto engine 10 (so called VIA PadLock ACE, Advanced Cryptography Engine) 11 that provides instructions for very fast cryptographic 12 operations with supported algorithms. 13 14 The instructions are used only when the CPU supports them. 15 Otherwise software encryption is used. 16 17 Selecting M for this option will compile a helper module 18 padlock.ko that should autoload all below configured 19 algorithms. Don't worry if your hardware does not support 20 some or all of them. In such case padlock.ko will 21 simply write a single line into the kernel log informing 22 about its failure but everything will keep working fine. 23 24 If you are unsure, say M. The compiled module will be 25 called padlock.ko 26 27config CRYPTO_DEV_PADLOCK_AES 28 tristate "PadLock driver for AES algorithm" 29 depends on CRYPTO_DEV_PADLOCK 30 select CRYPTO_BLKCIPHER 31 default m 32 help 33 Use VIA PadLock for AES algorithm. 34 35 Available in VIA C3 and newer CPUs. 36 37 If unsure say M. The compiled module will be 38 called padlock-aes.ko 39 40config CRYPTO_DEV_PADLOCK_SHA 41 tristate "PadLock driver for SHA1 and SHA256 algorithms" 42 depends on CRYPTO_DEV_PADLOCK 43 select CRYPTO_SHA1 44 select CRYPTO_SHA256 45 default m 46 help 47 Use VIA PadLock for SHA1/SHA256 algorithms. 48 49 Available in VIA C7 and newer processors. 50 51 If unsure say M. The compiled module will be 52 called padlock-sha.ko 53 54endmenu 55