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CONFIG_CRYPTO_AES: AES (Advanced Encryption Standard)

General informations

The Linux kernel configuration item CONFIG_CRYPTO_AES has multiple definitions:

AES (Advanced Encryption Standard) found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_AES:

Help text

AES cipher algorithms (Rijndael)(FIPS-197, ISO/IEC 18033-3)

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.

The AES specifies three key sizes: 128, 192 and 256 bits

AES cipher algorithms found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_AES:

Help text

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.

The AES specifies three key sizes: 128, 192 and 256 bits

See http://csrc.nist.gov/CryptoToolkit/aes/ for more information.

Hardware

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