b9d0a25a48
It makes no sense to build tcrypt into the kernel. In fact, now that the driver init function's return status is being checked, it is in fact harmful to do so. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
346 lines
10 KiB
Text
346 lines
10 KiB
Text
#
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# Cryptographic API Configuration
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#
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menu "Cryptographic options"
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config CRYPTO
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bool "Cryptographic API"
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help
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This option provides the core Cryptographic API.
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config CRYPTO_HMAC
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bool "HMAC support"
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depends on CRYPTO
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help
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HMAC: Keyed-Hashing for Message Authentication (RFC2104).
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This is required for IPSec.
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config CRYPTO_NULL
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tristate "Null algorithms"
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depends on CRYPTO
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help
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These are 'Null' algorithms, used by IPsec, which do nothing.
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config CRYPTO_MD4
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tristate "MD4 digest algorithm"
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depends on CRYPTO
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help
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MD4 message digest algorithm (RFC1320).
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config CRYPTO_MD5
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tristate "MD5 digest algorithm"
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depends on CRYPTO
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help
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MD5 message digest algorithm (RFC1321).
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config CRYPTO_SHA1
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tristate "SHA1 digest algorithm"
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depends on CRYPTO
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help
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SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
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config CRYPTO_SHA1_S390
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tristate "SHA1 digest algorithm (s390)"
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depends on CRYPTO && S390
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help
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This is the s390 hardware accelerated implementation of the
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SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
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config CRYPTO_SHA256
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tristate "SHA256 digest algorithm"
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depends on CRYPTO
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help
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SHA256 secure hash standard (DFIPS 180-2).
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This version of SHA implements a 256 bit hash with 128 bits of
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security against collision attacks.
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config CRYPTO_SHA256_S390
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tristate "SHA256 digest algorithm (s390)"
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depends on CRYPTO && S390
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help
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This is the s390 hardware accelerated implementation of the
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SHA256 secure hash standard (DFIPS 180-2).
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This version of SHA implements a 256 bit hash with 128 bits of
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security against collision attacks.
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config CRYPTO_SHA512
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tristate "SHA384 and SHA512 digest algorithms"
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depends on CRYPTO
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help
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SHA512 secure hash standard (DFIPS 180-2).
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This version of SHA implements a 512 bit hash with 256 bits of
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security against collision attacks.
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This code also includes SHA-384, a 384 bit hash with 192 bits
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of security against collision attacks.
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config CRYPTO_WP512
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tristate "Whirlpool digest algorithms"
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depends on CRYPTO
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help
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Whirlpool hash algorithm 512, 384 and 256-bit hashes
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Whirlpool-512 is part of the NESSIE cryptographic primitives.
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Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
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See also:
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<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
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config CRYPTO_TGR192
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tristate "Tiger digest algorithms"
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depends on CRYPTO
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help
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Tiger hash algorithm 192, 160 and 128-bit hashes
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Tiger is a hash function optimized for 64-bit processors while
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still having decent performance on 32-bit processors.
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Tiger was developed by Ross Anderson and Eli Biham.
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See also:
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<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
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config CRYPTO_DES
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tristate "DES and Triple DES EDE cipher algorithms"
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depends on CRYPTO
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help
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DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
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config CRYPTO_DES_S390
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tristate "DES and Triple DES cipher algorithms (s390)"
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depends on CRYPTO && S390
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help
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DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
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config CRYPTO_BLOWFISH
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tristate "Blowfish cipher algorithm"
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depends on CRYPTO
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help
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Blowfish cipher algorithm, by Bruce Schneier.
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This is a variable key length cipher which can use keys from 32
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bits to 448 bits in length. It's fast, simple and specifically
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designed for use on "large microprocessors".
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See also:
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<http://www.schneier.com/blowfish.html>
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config CRYPTO_TWOFISH
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tristate "Twofish cipher algorithm"
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depends on CRYPTO
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help
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Twofish cipher algorithm.
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Twofish was submitted as an AES (Advanced Encryption Standard)
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candidate cipher by researchers at CounterPane Systems. It is a
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16 round block cipher supporting key sizes of 128, 192, and 256
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bits.
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See also:
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<http://www.schneier.com/twofish.html>
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config CRYPTO_SERPENT
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tristate "Serpent cipher algorithm"
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depends on CRYPTO
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help
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Serpent cipher algorithm, by Anderson, Biham & Knudsen.
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Keys are allowed to be from 0 to 256 bits in length, in steps
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of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
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variant of Serpent for compatibility with old kerneli code.
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See also:
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<http://www.cl.cam.ac.uk/~rja14/serpent.html>
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config CRYPTO_AES
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tristate "AES cipher algorithms"
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depends on CRYPTO
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help
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AES cipher algorithms (FIPS-197). AES uses the Rijndael
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algorithm.
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Rijndael appears to be consistently a very good performer in
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both hardware and software across a wide range of computing
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environments regardless of its use in feedback or non-feedback
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modes. Its key setup time is excellent, and its key agility is
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good. Rijndael's very low memory requirements make it very well
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suited for restricted-space environments, in which it also
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demonstrates excellent performance. Rijndael's operations are
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among the easiest to defend against power and timing attacks.
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The AES specifies three key sizes: 128, 192 and 256 bits
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See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
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config CRYPTO_AES_586
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tristate "AES cipher algorithms (i586)"
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depends on CRYPTO && ((X86 || UML_X86) && !64BIT)
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help
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AES cipher algorithms (FIPS-197). AES uses the Rijndael
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algorithm.
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Rijndael appears to be consistently a very good performer in
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both hardware and software across a wide range of computing
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environments regardless of its use in feedback or non-feedback
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modes. Its key setup time is excellent, and its key agility is
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good. Rijndael's very low memory requirements make it very well
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suited for restricted-space environments, in which it also
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demonstrates excellent performance. Rijndael's operations are
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among the easiest to defend against power and timing attacks.
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The AES specifies three key sizes: 128, 192 and 256 bits
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See <http://csrc.nist.gov/encryption/aes/> for more information.
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config CRYPTO_AES_X86_64
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tristate "AES cipher algorithms (x86_64)"
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depends on CRYPTO && ((X86 || UML_X86) && 64BIT)
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help
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AES cipher algorithms (FIPS-197). AES uses the Rijndael
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algorithm.
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Rijndael appears to be consistently a very good performer in
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both hardware and software across a wide range of computing
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environments regardless of its use in feedback or non-feedback
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modes. Its key setup time is excellent, and its key agility is
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good. Rijndael's very low memory requirements make it very well
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suited for restricted-space environments, in which it also
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demonstrates excellent performance. Rijndael's operations are
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among the easiest to defend against power and timing attacks.
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The AES specifies three key sizes: 128, 192 and 256 bits
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See <http://csrc.nist.gov/encryption/aes/> for more information.
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config CRYPTO_AES_S390
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tristate "AES cipher algorithms (s390)"
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depends on CRYPTO && S390
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help
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This is the s390 hardware accelerated implementation of the
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AES cipher algorithms (FIPS-197). AES uses the Rijndael
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algorithm.
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Rijndael appears to be consistently a very good performer in
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both hardware and software across a wide range of computing
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environments regardless of its use in feedback or non-feedback
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modes. Its key setup time is excellent, and its key agility is
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good. Rijndael's very low memory requirements make it very well
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suited for restricted-space environments, in which it also
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demonstrates excellent performance. Rijndael's operations are
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among the easiest to defend against power and timing attacks.
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On s390 the System z9-109 currently only supports the key size
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of 128 bit.
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config CRYPTO_CAST5
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tristate "CAST5 (CAST-128) cipher algorithm"
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depends on CRYPTO
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help
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The CAST5 encryption algorithm (synonymous with CAST-128) is
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described in RFC2144.
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config CRYPTO_CAST6
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tristate "CAST6 (CAST-256) cipher algorithm"
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depends on CRYPTO
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help
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The CAST6 encryption algorithm (synonymous with CAST-256) is
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described in RFC2612.
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config CRYPTO_TEA
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tristate "TEA, XTEA and XETA cipher algorithms"
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depends on CRYPTO
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help
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TEA cipher algorithm.
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Tiny Encryption Algorithm is a simple cipher that uses
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many rounds for security. It is very fast and uses
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little memory.
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Xtendend Tiny Encryption Algorithm is a modification to
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the TEA algorithm to address a potential key weakness
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in the TEA algorithm.
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Xtendend Encryption Tiny Algorithm is a mis-implementation
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of the XTEA algorithm for compatibility purposes.
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config CRYPTO_ARC4
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tristate "ARC4 cipher algorithm"
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depends on CRYPTO
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help
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ARC4 cipher algorithm.
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ARC4 is a stream cipher using keys ranging from 8 bits to 2048
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bits in length. This algorithm is required for driver-based
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WEP, but it should not be for other purposes because of the
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weakness of the algorithm.
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config CRYPTO_KHAZAD
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tristate "Khazad cipher algorithm"
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depends on CRYPTO
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help
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Khazad cipher algorithm.
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Khazad was a finalist in the initial NESSIE competition. It is
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an algorithm optimized for 64-bit processors with good performance
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on 32-bit processors. Khazad uses an 128 bit key size.
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See also:
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<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
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config CRYPTO_ANUBIS
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tristate "Anubis cipher algorithm"
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depends on CRYPTO
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help
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Anubis cipher algorithm.
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Anubis is a variable key length cipher which can use keys from
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128 bits to 320 bits in length. It was evaluated as a entrant
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in the NESSIE competition.
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See also:
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<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
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<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
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config CRYPTO_DEFLATE
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tristate "Deflate compression algorithm"
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depends on CRYPTO
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select ZLIB_INFLATE
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select ZLIB_DEFLATE
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help
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This is the Deflate algorithm (RFC1951), specified for use in
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IPSec with the IPCOMP protocol (RFC3173, RFC2394).
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You will most probably want this if using IPSec.
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config CRYPTO_MICHAEL_MIC
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tristate "Michael MIC keyed digest algorithm"
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depends on CRYPTO
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help
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Michael MIC is used for message integrity protection in TKIP
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(IEEE 802.11i). This algorithm is required for TKIP, but it
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should not be used for other purposes because of the weakness
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of the algorithm.
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config CRYPTO_CRC32C
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tristate "CRC32c CRC algorithm"
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depends on CRYPTO
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select LIBCRC32C
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help
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Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
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by iSCSI for header and data digests and by others.
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See Castagnoli93. This implementation uses lib/libcrc32c.
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Module will be crc32c.
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config CRYPTO_TEST
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tristate "Testing module"
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depends on CRYPTO && m
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help
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Quick & dirty crypto test module.
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source "drivers/crypto/Kconfig"
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endmenu
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