crypto: rmd - sparse annotations

[safe/jmp/linux-2.6] / crypto / Kconfig

diff --git a/crypto/Kconfig b/crypto/Kconfig
index be5eb0c..795e31c 100644 (file)
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1,45 +1,226 @@
 #
 #

-# 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
 
        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_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
 
 config CRYPTO_BLKCIPHER
        tristate
        select CRYPTO_ALGAPI
 

+config CRYPTO_HASH
+       tristate
+       select CRYPTO_ALGAPI
+

 config CRYPTO_MANAGER
        tristate "Cryptographic algorithm manager"
        select CRYPTO_ALGAPI
 config CRYPTO_MANAGER
        tristate "Cryptographic algorithm manager"
        select CRYPTO_ALGAPI

-       default m

        help
          Create default cryptographic template instantiations such as
          cbc(aes).
 
        help
          Create default cryptographic template instantiations such as
          cbc(aes).
 

-config CRYPTO_HMAC
-       bool "HMAC support"
+config CRYPTO_GF128MUL
+       tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
+       depends on EXPERIMENTAL

        help
        help

-         HMAC: Keyed-Hashing for Message Authentication (RFC2104).
-         This is required for IPSec.
+         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
 
 config CRYPTO_NULL
        tristate "Null algorithms"
        select CRYPTO_ALGAPI

+       select CRYPTO_BLKCIPHER

        help
          These are 'Null' algorithms, used by IPsec, which do nothing.
 
        help
          These are 'Null' algorithms, used by IPsec, which do nothing.
 

+config CRYPTO_CRYPTD
+       tristate "Software async crypto daemon"
+       select CRYPTO_BLKCIPHER
+       select CRYPTO_HASH
+       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
+       select CRYPTO_MANAGER
+       help
+         HMAC: Keyed-Hashing for Message Authentication (RFC2104).
+         This is required for IPSec.
+
+config CRYPTO_XCBC
+       tristate "XCBC support"
+       depends on EXPERIMENTAL
+       select CRYPTO_HASH
+       select CRYPTO_MANAGER
+       help
+         XCBC: Keyed-Hashing with encryption algorithm
+               http://www.ietf.org/rfc/rfc3566.txt
+               http://csrc.nist.gov/encryption/modes/proposedmodes/
+                xcbc-mac/xcbc-mac-spec.pdf
+
+comment "Digest"
+
+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.
+

 config CRYPTO_MD4
        tristate "MD4 digest algorithm"
        select CRYPTO_ALGAPI
 config CRYPTO_MD4
        tristate "MD4 digest algorithm"
        select CRYPTO_ALGAPI


@@ -52,52 +233,109 @@ config CRYPTO_MD5
        help
          MD5 message digest algorithm (RFC1321).
 
        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
        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_RMD128
+  tristate "RIPEMD-128 digest algorithm"
+  select CRYPTO_ALGAPI
+  help
+    RIPEMD-128 (ISO/IEC 10118-3:2004).
+
+    RIPEMD-128 is a 128-bit cryptographic hash function. It should only
+    to be used as a secure replacement for RIPEMD. For other use cases
+    RIPEMD-160 should be used.
+
+    Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
+    See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
+
+config CRYPTO_RMD160
+  tristate "RIPEMD-160 digest algorithm"
+  select CRYPTO_ALGAPI
+  help
+    RIPEMD-160 (ISO/IEC 10118-3:2004).
+
+    RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
+    to be used as a secure replacement for the 128-bit hash functions
+    MD4, MD5 and it's predecessor RIPEMD (not to be confused with RIPEMD-128).
+
+    It's speed is comparable to SHA1 and there are no known attacks against
+    RIPEMD-160.
+
+    Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
+    See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
+
+config CRYPTO_RMD256
+  tristate "RIPEMD-256 digest algorithm"
+  select CRYPTO_ALGAPI
+  help
+    RIPEMD-256 is an optional extension of RIPEMD-128 with a 256 bit hash.
+    It is intended for applications that require longer hash-results, without
+    needing a larger security level (than RIPEMD-128).
+
+    Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
+    See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
+
+config CRYPTO_RMD320
+  tristate "RIPEMD-320 digest algorithm"
+  select CRYPTO_ALGAPI
+  help
+    RIPEMD-320 is an optional extension of RIPEMD-160 with a 320 bit hash.
+    It is intended for applications that require longer hash-results, without
+    needing a larger security level (than RIPEMD-160).
+
+    Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
+    See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
+
+config CRYPTO_SHA1
+       tristate "SHA1 digest algorithm"

        select CRYPTO_ALGAPI
        help
        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
          SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
 
 config CRYPTO_SHA256

-       tristate "SHA256 digest algorithm"
+       tristate "SHA224 and SHA256 digest algorithm"

        select CRYPTO_ALGAPI
        help
          SHA256 secure hash standard (DFIPS 180-2).
        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
-       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 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).
 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.
 
          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:
+         <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
+

 config CRYPTO_WP512
        tristate "Whirlpool digest algorithms"
        select CRYPTO_ALGAPI
 config CRYPTO_WP512
        tristate "Whirlpool digest algorithms"
        select CRYPTO_ALGAPI


@@ -110,226 +348,232 @@ config CRYPTO_WP512
          See also:
          <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
 
          See also:
          <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
 

-config CRYPTO_TGR192
-       tristate "Tiger digest algorithms"
+comment "Ciphers"
+
+config CRYPTO_AES
+       tristate "AES cipher algorithms"

        select CRYPTO_ALGAPI
        help
        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:
-         <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
+         The AES specifies three key sizes: 128, 192 and 256 bits

 
 

-config CRYPTO_ECB
-       tristate "ECB support"
-       select CRYPTO_BLKCIPHER
-       default m
+         See <http://csrc.nist.gov/CryptoToolkit/aes/> 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
        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
-       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 <http://csrc.nist.gov/encryption/aes/> 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
        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 <http://csrc.nist.gov/encryption/aes/> for more information.
+
+config CRYPTO_ANUBIS
+       tristate "Anubis cipher algorithm"

        select CRYPTO_ALGAPI
        help
        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:
+         <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
+         <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
+
+config CRYPTO_ARC4
+       tristate "ARC4 cipher algorithm"

        select CRYPTO_ALGAPI
        select CRYPTO_ALGAPI

-       select CRYPTO_BLKCIPHER

        help
        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.
 
 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".
          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:
          <http://www.schneier.com/blowfish.html>
 
          See also:
          <http://www.schneier.com/blowfish.html>
 

-config CRYPTO_TWOFISH
-       tristate "Twofish cipher algorithm"
+config CRYPTO_CAMELLIA
+       tristate "Camellia cipher algorithms"
+       depends on CRYPTO

        select CRYPTO_ALGAPI
        select CRYPTO_ALGAPI

-       select CRYPTO_TWOFISH_COMMON

        help
        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:
          See also:

-         <http://www.schneier.com/twofish.html>
+         <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>

 
 

-config CRYPTO_TWOFISH_COMMON
-       tristate
+config CRYPTO_CAST5
+       tristate "CAST5 (CAST-128) cipher algorithm"
+       select CRYPTO_ALGAPI

        help
        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_ALGAPI

-       select CRYPTO_TWOFISH_COMMON

        help
        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:
-         <http://www.schneier.com/twofish.html>
+         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_ALGAPI

-       select CRYPTO_TWOFISH_COMMON

        help
        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:
-         <http://www.schneier.com/twofish.html>
+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
        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:
 
          See also:

-         <http://www.cl.cam.ac.uk/~rja14/serpent.html>
+         <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>

 
 

-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
        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 <http://www.ecrypt.eu.org/stream/>

 
 

-         See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
+         The Salsa20 stream cipher algorithm is designed by Daniel J.
+         Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>

 
 

-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
        depends on (X86 || UML_X86) && !64BIT

-       select CRYPTO_ALGAPI
+       depends on EXPERIMENTAL
+       select CRYPTO_BLKCIPHER

        help
        help

-         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. 
+         Salsa20 stream cipher algorithm.

 
 

-         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 <http://www.ecrypt.eu.org/stream/>

 
 

-         See <http://csrc.nist.gov/encryption/aes/> for more information.
+         The Salsa20 stream cipher algorithm is designed by Daniel J.
+         Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>

 
 

-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
        depends on (X86 || UML_X86) && 64BIT

-       select CRYPTO_ALGAPI
+       depends on EXPERIMENTAL
+       select CRYPTO_BLKCIPHER

        help
        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 <http://www.ecrypt.eu.org/stream/>

 
 

-         The AES specifies three key sizes: 128, 192 and 256 bits        
+         The Salsa20 stream cipher algorithm is designed by Daniel J.
+         Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>

 
 

-         See <http://csrc.nist.gov/encryption/aes/> 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_ALGAPI

-       select CRYPTO_BLKCIPHER

        help
        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:
+         <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>

 
 

-config CRYPTO_CAST5
-       tristate "CAST5 (CAST-128) cipher algorithm"
+config CRYPTO_SERPENT
+       tristate "Serpent cipher algorithm"

        select CRYPTO_ALGAPI
        help
        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:
+         <http://www.cl.cam.ac.uk/~rja14/serpent.html>

 
 config CRYPTO_TEA
        tristate "TEA, XTEA and XETA cipher algorithms"
 
 config CRYPTO_TEA
        tristate "TEA, XTEA and XETA cipher algorithms"


@@ -345,47 +589,63 @@ config CRYPTO_TEA
          the TEA algorithm to address a potential key weakness
          in the TEA algorithm.
 
          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.
 
          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_ALGAPI

+       select CRYPTO_TWOFISH_COMMON

        help
        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:
+         <http://www.schneier.com/twofish.html>
+
+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_ALGAPI

+       select CRYPTO_TWOFISH_COMMON

        help
        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:
 
          See also:

-         <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
+         <http://www.schneier.com/twofish.html>

 
 

-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_ALGAPI

+       select CRYPTO_TWOFISH_COMMON

        help
        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:
          See also:

-         <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
-         <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
+         <http://www.schneier.com/twofish.html>

 
 

+comment "Compression"

 
 config CRYPTO_DEFLATE
        tristate "Deflate compression algorithm"
 
 config CRYPTO_DEFLATE
        tristate "Deflate compression algorithm"


@@ -395,37 +655,17 @@ config CRYPTO_DEFLATE
        help
          This is the Deflate algorithm (RFC1951), specified for use in
          IPSec with the IPCOMP protocol (RFC3173, RFC2394).
        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 CRYPTO_ALGAPI

+       select LZO_COMPRESS
+       select LZO_DECOMPRESS

        help
        help

-         Quick & dirty crypto test module.
+         This is the LZO algorithm.

 
 source "drivers/crypto/Kconfig"
 
 endif  # if CRYPTO
 
 source "drivers/crypto/Kconfig"
 
 endif  # if CRYPTO

-
-endmenu