X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=crypto%2FKconfig;h=864456c140fe7a6e2625527518c45eae75e20e4d;hb=4fe91d518e4958af7edebbeb112a3272b2be232d;hp=4495e46660bfb744ff78d4574f86470174c0eaf2;hpb=333b0d7eeacbd47159daf23757aa81368470c409;p=safe%2Fjmp%2Flinux-2.6
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 4495e46..864456c 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1,21 +1,35 @@
#
-# Cryptographic API Configuration
+# Generic algorithms support
#
+config XOR_BLOCKS
+ tristate
-menu "Cryptographic options"
+#
+# async_tx api: hardware offloaded memory transfer/transform support
+#
+source "crypto/async_tx/Kconfig"
-config CRYPTO
- bool "Cryptographic API"
+#
+# Cryptographic API Configuration
+#
+menuconfig CRYPTO
+ tristate "Cryptographic API"
help
This option provides the core Cryptographic API.
if CRYPTO
+comment "Crypto core or helper"
+
config CRYPTO_ALGAPI
tristate
help
This option provides the API for cryptographic algorithms.
+config CRYPTO_AEAD
+ tristate
+ select CRYPTO_ALGAPI
+
config CRYPTO_BLKCIPHER
tristate
select CRYPTO_ALGAPI
@@ -31,6 +45,150 @@ config CRYPTO_MANAGER
Create default cryptographic template instantiations such as
cbc(aes).
+config CRYPTO_GF128MUL
+ tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ help
+ Efficient table driven implementation of multiplications in the
+ field GF(2^128). This is needed by some cypher modes. This
+ option will be selected automatically if you select such a
+ cipher mode. Only select this option by hand if you expect to load
+ an external module that requires these functions.
+
+config CRYPTO_NULL
+ tristate "Null algorithms"
+ select CRYPTO_ALGAPI
+ select CRYPTO_BLKCIPHER
+ help
+ These are 'Null' algorithms, used by IPsec, which do nothing.
+
+config CRYPTO_CRYPTD
+ tristate "Software async crypto daemon"
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_MANAGER
+ help
+ This is a generic software asynchronous crypto daemon that
+ converts an arbitrary synchronous software crypto algorithm
+ into an asynchronous algorithm that executes in a kernel thread.
+
+config CRYPTO_AUTHENC
+ tristate "Authenc support"
+ select CRYPTO_AEAD
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_MANAGER
+ select CRYPTO_HASH
+ help
+ Authenc: Combined mode wrapper for IPsec.
+ This is required for IPSec.
+
+config CRYPTO_TEST
+ tristate "Testing module"
+ depends on m
+ select CRYPTO_ALGAPI
+ select CRYPTO_AEAD
+ select CRYPTO_BLKCIPHER
+ help
+ Quick & dirty crypto test module.
+
+comment "Authenticated Encryption with Associated Data"
+
+config CRYPTO_CCM
+ tristate "CCM support"
+ select CRYPTO_CTR
+ select CRYPTO_AEAD
+ help
+ Support for Counter with CBC MAC. Required for IPsec.
+
+config CRYPTO_GCM
+ tristate "GCM/GMAC support"
+ select CRYPTO_CTR
+ select CRYPTO_AEAD
+ select CRYPTO_GF128MUL
+ help
+ Support for Galois/Counter Mode (GCM) and Galois Message
+ Authentication Code (GMAC). Required for IPSec.
+
+config CRYPTO_SEQIV
+ tristate "Sequence Number IV Generator"
+ select CRYPTO_AEAD
+ select CRYPTO_BLKCIPHER
+ help
+ This IV generator generates an IV based on a sequence number by
+ xoring it with a salt. This algorithm is mainly useful for CTR
+
+comment "Block modes"
+
+config CRYPTO_CBC
+ tristate "CBC support"
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_MANAGER
+ help
+ CBC: Cipher Block Chaining mode
+ This block cipher algorithm is required for IPSec.
+
+config CRYPTO_CTR
+ tristate "CTR support"
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_SEQIV
+ select CRYPTO_MANAGER
+ help
+ CTR: Counter mode
+ This block cipher algorithm is required for IPSec.
+
+config CRYPTO_CTS
+ tristate "CTS support"
+ select CRYPTO_BLKCIPHER
+ help
+ CTS: Cipher Text Stealing
+ This is the Cipher Text Stealing mode as described by
+ Section 8 of rfc2040 and referenced by rfc3962.
+ (rfc3962 includes errata information in its Appendix A)
+ This mode is required for Kerberos gss mechanism support
+ for AES encryption.
+
+config CRYPTO_ECB
+ tristate "ECB support"
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_MANAGER
+ help
+ ECB: Electronic CodeBook mode
+ This is the simplest block cipher algorithm. It simply encrypts
+ the input block by block.
+
+config CRYPTO_LRW
+ tristate "LRW support (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_MANAGER
+ select CRYPTO_GF128MUL
+ help
+ LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
+ narrow block cipher mode for dm-crypt. Use it with cipher
+ specification string aes-lrw-benbi, the key must be 256, 320 or 384.
+ The first 128, 192 or 256 bits in the key are used for AES and the
+ rest is used to tie each cipher block to its logical position.
+
+config CRYPTO_PCBC
+ tristate "PCBC support"
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_MANAGER
+ help
+ PCBC: Propagating Cipher Block Chaining mode
+ This block cipher algorithm is required for RxRPC.
+
+config CRYPTO_XTS
+ tristate "XTS support (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_MANAGER
+ select CRYPTO_GF128MUL
+ help
+ XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
+ key size 256, 384 or 512 bits. This implementation currently
+ can't handle a sectorsize which is not a multiple of 16 bytes.
+
+comment "Hash modes"
+
config CRYPTO_HMAC
tristate "HMAC support"
select CRYPTO_HASH
@@ -50,11 +208,17 @@ config CRYPTO_XCBC
http://csrc.nist.gov/encryption/modes/proposedmodes/
xcbc-mac/xcbc-mac-spec.pdf
-config CRYPTO_NULL
- tristate "Null algorithms"
+comment "Digest"
+
+config CRYPTO_CRC32C
+ tristate "CRC32c CRC algorithm"
select CRYPTO_ALGAPI
+ select LIBCRC32C
help
- These are 'Null' algorithms, used by IPsec, which do nothing.
+ Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
+ by iSCSI for header and data digests and by others.
+ See Castagnoli93. This implementation uses lib/libcrc32c.
+ Module will be crc32c.
config CRYPTO_MD4
tristate "MD4 digest algorithm"
@@ -68,52 +232,58 @@ config CRYPTO_MD5
help
MD5 message digest algorithm (RFC1321).
-config CRYPTO_SHA1
- tristate "SHA1 digest algorithm"
+config CRYPTO_MICHAEL_MIC
+ tristate "Michael MIC keyed digest algorithm"
select CRYPTO_ALGAPI
help
- SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
+ Michael MIC is used for message integrity protection in TKIP
+ (IEEE 802.11i). This algorithm is required for TKIP, but it
+ should not be used for other purposes because of the weakness
+ of the algorithm.
-config CRYPTO_SHA1_S390
- tristate "SHA1 digest algorithm (s390)"
- depends on S390
+config CRYPTO_SHA1
+ tristate "SHA1 digest algorithm"
select CRYPTO_ALGAPI
help
- This is the s390 hardware accelerated implementation of the
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
config CRYPTO_SHA256
- tristate "SHA256 digest algorithm"
- select CRYPTO_ALGAPI
- help
- SHA256 secure hash standard (DFIPS 180-2).
-
- This version of SHA implements a 256 bit hash with 128 bits of
- security against collision attacks.
-
-config CRYPTO_SHA256_S390
- tristate "SHA256 digest algorithm (s390)"
- depends on S390
+ tristate "SHA224 and SHA256 digest algorithm"
select CRYPTO_ALGAPI
help
- This is the s390 hardware accelerated implementation of the
SHA256 secure hash standard (DFIPS 180-2).
This version of SHA implements a 256 bit hash with 128 bits of
security against collision attacks.
+ This code also includes SHA-224, a 224 bit hash with 112 bits
+ of security against collision attacks.
+
config CRYPTO_SHA512
tristate "SHA384 and SHA512 digest algorithms"
select CRYPTO_ALGAPI
help
SHA512 secure hash standard (DFIPS 180-2).
-
+
This version of SHA implements a 512 bit hash with 256 bits of
security against collision attacks.
This code also includes SHA-384, a 384 bit hash with 192 bits
of security against collision attacks.
+config CRYPTO_TGR192
+ tristate "Tiger digest algorithms"
+ select CRYPTO_ALGAPI
+ help
+ Tiger hash algorithm 192, 160 and 128-bit hashes
+
+ Tiger is a hash function optimized for 64-bit processors while
+ still having decent performance on 32-bit processors.
+ Tiger was developed by Ross Anderson and Eli Biham.
+
+ See also:
+ .
+
config CRYPTO_WP512
tristate "Whirlpool digest algorithms"
select CRYPTO_ALGAPI
@@ -126,228 +296,232 @@ config CRYPTO_WP512
See also:
-config CRYPTO_TGR192
- tristate "Tiger digest algorithms"
+comment "Ciphers"
+
+config CRYPTO_AES
+ tristate "AES cipher algorithms"
select CRYPTO_ALGAPI
help
- Tiger hash algorithm 192, 160 and 128-bit hashes
+ AES cipher algorithms (FIPS-197). AES uses the Rijndael
+ algorithm.
- Tiger is a hash function optimized for 64-bit processors while
- still having decent performance on 32-bit processors.
- Tiger was developed by Ross Anderson and Eli Biham.
+ 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.
- See also:
- .
+ The AES specifies three key sizes: 128, 192 and 256 bits
-config CRYPTO_ECB
- tristate "ECB support"
- select CRYPTO_BLKCIPHER
- select CRYPTO_MANAGER
- default m
+ See for more information.
+
+config CRYPTO_AES_586
+ tristate "AES cipher algorithms (i586)"
+ depends on (X86 || UML_X86) && !64BIT
+ select CRYPTO_ALGAPI
+ select CRYPTO_AES
help
- ECB: Electronic CodeBook mode
- This is the simplest block cipher algorithm. It simply encrypts
- the input block by block.
+ AES cipher algorithms (FIPS-197). AES uses the Rijndael
+ algorithm.
-config CRYPTO_CBC
- tristate "CBC support"
- select CRYPTO_BLKCIPHER
- select CRYPTO_MANAGER
- default m
+ 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 for more information.
+
+config CRYPTO_AES_X86_64
+ tristate "AES cipher algorithms (x86_64)"
+ depends on (X86 || UML_X86) && 64BIT
+ select CRYPTO_ALGAPI
+ select CRYPTO_AES
help
- CBC: Cipher Block Chaining mode
- This block cipher algorithm is required for IPSec.
+ AES cipher algorithms (FIPS-197). AES uses the Rijndael
+ algorithm.
-config CRYPTO_DES
- tristate "DES and Triple DES EDE cipher algorithms"
+ 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 for more information.
+
+config CRYPTO_ANUBIS
+ tristate "Anubis cipher algorithm"
select CRYPTO_ALGAPI
help
- DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
+ Anubis cipher algorithm.
+
+ Anubis is a variable key length cipher which can use keys from
+ 128 bits to 320 bits in length. It was evaluated as a entrant
+ in the NESSIE competition.
-config CRYPTO_DES_S390
- tristate "DES and Triple DES cipher algorithms (s390)"
- depends on S390
+ See also:
+
+
+
+config CRYPTO_ARC4
+ tristate "ARC4 cipher algorithm"
select CRYPTO_ALGAPI
- select CRYPTO_BLKCIPHER
help
- DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
+ ARC4 cipher algorithm.
+
+ ARC4 is a stream cipher using keys ranging from 8 bits to 2048
+ bits in length. This algorithm is required for driver-based
+ WEP, but it should not be for other purposes because of the
+ weakness of the algorithm.
config CRYPTO_BLOWFISH
tristate "Blowfish cipher algorithm"
select CRYPTO_ALGAPI
help
Blowfish cipher algorithm, by Bruce Schneier.
-
+
This is a variable key length cipher which can use keys from 32
bits to 448 bits in length. It's fast, simple and specifically
designed for use on "large microprocessors".
-
+
See also:
-config CRYPTO_TWOFISH
- tristate "Twofish cipher algorithm"
+config CRYPTO_CAMELLIA
+ tristate "Camellia cipher algorithms"
+ depends on CRYPTO
select CRYPTO_ALGAPI
- select CRYPTO_TWOFISH_COMMON
help
- Twofish cipher algorithm.
-
- Twofish was submitted as an AES (Advanced Encryption Standard)
- candidate cipher by researchers at CounterPane Systems. It is a
- 16 round block cipher supporting key sizes of 128, 192, and 256
- bits.
-
+ Camellia cipher algorithms module.
+
+ Camellia is a symmetric key block cipher developed jointly
+ at NTT and Mitsubishi Electric Corporation.
+
+ The Camellia specifies three key sizes: 128, 192 and 256 bits.
+
See also:
-
+
-config CRYPTO_TWOFISH_COMMON
- tristate
+config CRYPTO_CAST5
+ tristate "CAST5 (CAST-128) cipher algorithm"
+ select CRYPTO_ALGAPI
help
- Common parts of the Twofish cipher algorithm shared by the
- generic c and the assembler implementations.
+ The CAST5 encryption algorithm (synonymous with CAST-128) is
+ described in RFC2144.
-config CRYPTO_TWOFISH_586
- tristate "Twofish cipher algorithms (i586)"
- depends on (X86 || UML_X86) && !64BIT
+config CRYPTO_CAST6
+ tristate "CAST6 (CAST-256) cipher algorithm"
select CRYPTO_ALGAPI
- select CRYPTO_TWOFISH_COMMON
help
- Twofish cipher algorithm.
-
- Twofish was submitted as an AES (Advanced Encryption Standard)
- candidate cipher by researchers at CounterPane Systems. It is a
- 16 round block cipher supporting key sizes of 128, 192, and 256
- bits.
-
- See also:
-
+ The CAST6 encryption algorithm (synonymous with CAST-256) is
+ described in RFC2612.
-config CRYPTO_TWOFISH_X86_64
- tristate "Twofish cipher algorithm (x86_64)"
- depends on (X86 || UML_X86) && 64BIT
+config CRYPTO_DES
+ tristate "DES and Triple DES EDE cipher algorithms"
select CRYPTO_ALGAPI
- select CRYPTO_TWOFISH_COMMON
help
- Twofish cipher algorithm (x86_64).
-
- Twofish was submitted as an AES (Advanced Encryption Standard)
- candidate cipher by researchers at CounterPane Systems. It is a
- 16 round block cipher supporting key sizes of 128, 192, and 256
- bits.
+ DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
- See also:
-
+config CRYPTO_FCRYPT
+ tristate "FCrypt cipher algorithm"
+ select CRYPTO_ALGAPI
+ select CRYPTO_BLKCIPHER
+ help
+ FCrypt algorithm used by RxRPC.
-config CRYPTO_SERPENT
- tristate "Serpent cipher algorithm"
+config CRYPTO_KHAZAD
+ tristate "Khazad cipher algorithm"
select CRYPTO_ALGAPI
help
- Serpent cipher algorithm, by Anderson, Biham & Knudsen.
+ Khazad cipher algorithm.
- Keys are allowed to be from 0 to 256 bits in length, in steps
- of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
- variant of Serpent for compatibility with old kerneli code.
+ Khazad was a finalist in the initial NESSIE competition. It is
+ an algorithm optimized for 64-bit processors with good performance
+ on 32-bit processors. Khazad uses an 128 bit key size.
See also:
-
+
-config CRYPTO_AES
- tristate "AES cipher algorithms"
- select CRYPTO_ALGAPI
+config CRYPTO_SALSA20
+ tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ select CRYPTO_BLKCIPHER
help
- AES cipher algorithms (FIPS-197). AES uses the Rijndael
- algorithm.
+ Salsa20 stream cipher 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.
+ Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
+ Stream Cipher Project. See
- The AES specifies three key sizes: 128, 192 and 256 bits
+ The Salsa20 stream cipher algorithm is designed by Daniel J.
+ Bernstein . See
- See for more information.
-
-config CRYPTO_AES_586
- tristate "AES cipher algorithms (i586)"
+config CRYPTO_SALSA20_586
+ tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
depends on (X86 || UML_X86) && !64BIT
- select CRYPTO_ALGAPI
+ depends on EXPERIMENTAL
+ select CRYPTO_BLKCIPHER
help
- AES cipher algorithms (FIPS-197). AES uses the Rijndael
- algorithm.
+ Salsa20 stream cipher 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
+ Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
+ Stream Cipher Project. See
- See for more information.
+ The Salsa20 stream cipher algorithm is designed by Daniel J.
+ Bernstein . See
-config CRYPTO_AES_X86_64
- tristate "AES cipher algorithms (x86_64)"
+config CRYPTO_SALSA20_X86_64
+ tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
depends on (X86 || UML_X86) && 64BIT
- select CRYPTO_ALGAPI
+ depends on EXPERIMENTAL
+ select CRYPTO_BLKCIPHER
help
- AES cipher algorithms (FIPS-197). AES uses the Rijndael
- algorithm.
+ Salsa20 stream cipher 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.
+ Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
+ Stream Cipher Project. See
- The AES specifies three key sizes: 128, 192 and 256 bits
+ The Salsa20 stream cipher algorithm is designed by Daniel J.
+ Bernstein . See
- See for more information.
-
-config CRYPTO_AES_S390
- tristate "AES cipher algorithms (s390)"
- depends on S390
+config CRYPTO_SEED
+ tristate "SEED cipher algorithm"
select CRYPTO_ALGAPI
- select CRYPTO_BLKCIPHER
help
- This is the s390 hardware accelerated implementation of the
- AES cipher algorithms (FIPS-197). AES uses the Rijndael
- algorithm.
+ SEED cipher algorithm (RFC4269).
- 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.
+ SEED is a 128-bit symmetric key block cipher that has been
+ developed by KISA (Korea Information Security Agency) as a
+ national standard encryption algorithm of the Republic of Korea.
+ It is a 16 round block cipher with the key size of 128 bit.
- On s390 the System z9-109 currently only supports the key size
- of 128 bit.
+ See also:
+
-config CRYPTO_CAST5
- tristate "CAST5 (CAST-128) cipher algorithm"
+config CRYPTO_SERPENT
+ tristate "Serpent cipher algorithm"
select CRYPTO_ALGAPI
help
- The CAST5 encryption algorithm (synonymous with CAST-128) is
- described in RFC2144.
+ Serpent cipher algorithm, by Anderson, Biham & Knudsen.
-config CRYPTO_CAST6
- tristate "CAST6 (CAST-256) cipher algorithm"
- select CRYPTO_ALGAPI
- help
- The CAST6 encryption algorithm (synonymous with CAST-256) is
- described in RFC2612.
+ Keys are allowed to be from 0 to 256 bits in length, in steps
+ of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
+ variant of Serpent for compatibility with old kerneli.org code.
+
+ See also:
+
config CRYPTO_TEA
tristate "TEA, XTEA and XETA cipher algorithms"
@@ -363,47 +537,63 @@ config CRYPTO_TEA
the TEA algorithm to address a potential key weakness
in the TEA algorithm.
- Xtendend Encryption Tiny Algorithm is a mis-implementation
+ Xtendend Encryption Tiny Algorithm is a mis-implementation
of the XTEA algorithm for compatibility purposes.
-config CRYPTO_ARC4
- tristate "ARC4 cipher algorithm"
+config CRYPTO_TWOFISH
+ tristate "Twofish cipher algorithm"
select CRYPTO_ALGAPI
+ select CRYPTO_TWOFISH_COMMON
help
- ARC4 cipher algorithm.
+ Twofish cipher algorithm.
- ARC4 is a stream cipher using keys ranging from 8 bits to 2048
- bits in length. This algorithm is required for driver-based
- WEP, but it should not be for other purposes because of the
- weakness of the algorithm.
+ Twofish was submitted as an AES (Advanced Encryption Standard)
+ candidate cipher by researchers at CounterPane Systems. It is a
+ 16 round block cipher supporting key sizes of 128, 192, and 256
+ bits.
-config CRYPTO_KHAZAD
- tristate "Khazad cipher algorithm"
+ See also:
+
+
+config CRYPTO_TWOFISH_COMMON
+ tristate
+ help
+ Common parts of the Twofish cipher algorithm shared by the
+ generic c and the assembler implementations.
+
+config CRYPTO_TWOFISH_586
+ tristate "Twofish cipher algorithms (i586)"
+ depends on (X86 || UML_X86) && !64BIT
select CRYPTO_ALGAPI
+ select CRYPTO_TWOFISH_COMMON
help
- Khazad cipher algorithm.
+ Twofish cipher algorithm.
- Khazad was a finalist in the initial NESSIE competition. It is
- an algorithm optimized for 64-bit processors with good performance
- on 32-bit processors. Khazad uses an 128 bit key size.
+ Twofish was submitted as an AES (Advanced Encryption Standard)
+ candidate cipher by researchers at CounterPane Systems. It is a
+ 16 round block cipher supporting key sizes of 128, 192, and 256
+ bits.
See also:
-
+
-config CRYPTO_ANUBIS
- tristate "Anubis cipher algorithm"
+config CRYPTO_TWOFISH_X86_64
+ tristate "Twofish cipher algorithm (x86_64)"
+ depends on (X86 || UML_X86) && 64BIT
select CRYPTO_ALGAPI
+ select CRYPTO_TWOFISH_COMMON
help
- Anubis cipher algorithm.
+ Twofish cipher algorithm (x86_64).
+
+ Twofish was submitted as an AES (Advanced Encryption Standard)
+ candidate cipher by researchers at CounterPane Systems. It is a
+ 16 round block cipher supporting key sizes of 128, 192, and 256
+ bits.
- Anubis is a variable key length cipher which can use keys from
- 128 bits to 320 bits in length. It was evaluated as a entrant
- in the NESSIE competition.
-
See also:
-
-
+
+comment "Compression"
config CRYPTO_DEFLATE
tristate "Deflate compression algorithm"
@@ -413,37 +603,17 @@ config CRYPTO_DEFLATE
help
This is the Deflate algorithm (RFC1951), specified for use in
IPSec with the IPCOMP protocol (RFC3173, RFC2394).
-
- You will most probably want this if using IPSec.
-
-config CRYPTO_MICHAEL_MIC
- tristate "Michael MIC keyed digest algorithm"
- select CRYPTO_ALGAPI
- help
- Michael MIC is used for message integrity protection in TKIP
- (IEEE 802.11i). This algorithm is required for TKIP, but it
- should not be used for other purposes because of the weakness
- of the algorithm.
-config CRYPTO_CRC32C
- tristate "CRC32c CRC algorithm"
- select CRYPTO_ALGAPI
- select LIBCRC32C
- help
- Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
- by iSCSI for header and data digests and by others.
- See Castagnoli93. This implementation uses lib/libcrc32c.
- Module will be crc32c.
+ You will most probably want this if using IPSec.
-config CRYPTO_TEST
- tristate "Testing module"
- depends on m
+config CRYPTO_LZO
+ tristate "LZO compression algorithm"
select CRYPTO_ALGAPI
+ select LZO_COMPRESS
+ select LZO_DECOMPRESS
help
- Quick & dirty crypto test module.
+ This is the LZO algorithm.
source "drivers/crypto/Kconfig"
endif # if CRYPTO
-
-endmenu