crypto/Kconfig - linux - Git at Google


            
            #

            
            # Generic algorithms support

            
            #

            
            config XOR_BLOCKS

            
            	tristate


            #

            
            # async_tx api: hardware offloaded memory transfer/transform support

            
            #

            
            source "crypto/async_tx/Kconfig"


            #

            
            # 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_FIPS

            
            	bool "FIPS 200 compliance"

            
            	depends on CRYPTO_ANSI_CPRNG

            
            	help

            
            	  This options enables the fips boot option which is

            
            	  required if you want to system to operate in a FIPS 200

            
            	  certification.  You should say no unless you know what

            
            	  this is. Note that CRYPTO_ANSI_CPRNG is requred if this

            
            	  option is selected


            config CRYPTO_ALGAPI

            
            	tristate

            
            	select CRYPTO_ALGAPI2

            
            	help

            
            	  This option provides the API for cryptographic algorithms.


            config CRYPTO_ALGAPI2

            
            	tristate


            config CRYPTO_AEAD

            
            	tristate

            
            	select CRYPTO_AEAD2

            
            	select CRYPTO_ALGAPI


            config CRYPTO_AEAD2

            
            	tristate

            
            	select CRYPTO_ALGAPI2


            config CRYPTO_BLKCIPHER

            
            	tristate

            
            	select CRYPTO_BLKCIPHER2

            
            	select CRYPTO_ALGAPI


            config CRYPTO_BLKCIPHER2

            
            	tristate

            
            	select CRYPTO_ALGAPI2

            
            	select CRYPTO_RNG2

            
            	select CRYPTO_WORKQUEUE


            config CRYPTO_HASH

            
            	tristate

            
            	select CRYPTO_HASH2

            
            	select CRYPTO_ALGAPI


            config CRYPTO_HASH2

            
            	tristate

            
            	select CRYPTO_ALGAPI2


            config CRYPTO_RNG

            
            	tristate

            
            	select CRYPTO_RNG2

            
            	select CRYPTO_ALGAPI


            config CRYPTO_RNG2

            
            	tristate

            
            	select CRYPTO_ALGAPI2


            config CRYPTO_PCOMP

            
            	tristate

            
            	select CRYPTO_ALGAPI2


            config CRYPTO_MANAGER

            
            	tristate "Cryptographic algorithm manager"

            
            	select CRYPTO_MANAGER2

            
            	help

            
            	  Create default cryptographic template instantiations such as

            
            	  cbc(aes).


            config CRYPTO_MANAGER2

            
            	def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)

            
            	select CRYPTO_AEAD2

            
            	select CRYPTO_HASH2

            
            	select CRYPTO_BLKCIPHER2

            
            	select CRYPTO_PCOMP


            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

            
            	select CRYPTO_HASH

            
            	help

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


            config CRYPTO_WORKQUEUE

            
                   tristate


            config CRYPTO_CRYPTD

            
            	tristate "Software async crypto daemon"

            
            	select CRYPTO_BLKCIPHER

            
            	select CRYPTO_HASH

            
            	select CRYPTO_MANAGER

            
            	select CRYPTO_WORKQUEUE

            
            	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_MANAGER

            
            	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_GHASH

            
            	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

            
            	select CRYPTO_RNG

            
            	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.


            config CRYPTO_FPU

            
            	tristate

            
            	select CRYPTO_BLKCIPHER

            
            	select CRYPTO_MANAGER


            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


            config CRYPTO_VMAC

            
            	tristate "VMAC support"

            
            	depends on EXPERIMENTAL

            
            	select CRYPTO_HASH

            
            	select CRYPTO_MANAGER

            
            	help

            
            	  VMAC is a message authentication algorithm designed for

            
            	  very high speed on 64-bit architectures.


            	  See also:

            
            	  <http://fastcrypto.org/vmac>


            comment "Digest"


            config CRYPTO_CRC32C

            
            	tristate "CRC32c CRC algorithm"

            
            	select CRYPTO_HASH

            
            	help

            
            	  Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used

            
            	  by iSCSI for header and data digests and by others.

            
            	  See Castagnoli93.  Module will be crc32c.


            config CRYPTO_CRC32C_INTEL

            
            	tristate "CRC32c INTEL hardware acceleration"

            
            	depends on X86

            
            	select CRYPTO_HASH

            
            	help

            
            	  In Intel processor with SSE4.2 supported, the processor will

            
            	  support CRC32C implementation using hardware accelerated CRC32

            
            	  instruction. This option will create 'crc32c-intel' module,

            
            	  which will enable any routine to use the CRC32 instruction to

            
            	  gain performance compared with software implementation.

            
            	  Module will be crc32c-intel.


            config CRYPTO_GHASH

            
            	tristate "GHASH digest algorithm"

            
            	select CRYPTO_SHASH

            
            	select CRYPTO_GF128MUL

            
            	help

            
            	  GHASH is message digest algorithm for GCM (Galois/Counter Mode).


            config CRYPTO_MD4

            
            	tristate "MD4 digest algorithm"

            
            	select CRYPTO_HASH

            
            	help

            
            	  MD4 message digest algorithm (RFC1320).


            config CRYPTO_MD5

            
            	tristate "MD5 digest algorithm"

            
            	select CRYPTO_HASH

            
            	help

            
            	  MD5 message digest algorithm (RFC1321).


            config CRYPTO_MICHAEL_MIC

            
            	tristate "Michael MIC keyed digest algorithm"

            
            	select CRYPTO_HASH

            
            	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_RMD128

            
            	tristate "RIPEMD-128 digest algorithm"

            
            	select CRYPTO_HASH

            
            	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_HASH

            
            	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_HASH

            
            	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_HASH

            
            	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_HASH

            
            	help

            
            	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).


            config CRYPTO_SHA256

            
            	tristate "SHA224 and SHA256 digest algorithm"

            
            	select CRYPTO_HASH

            
            	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.


            	  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_HASH

            
            	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_HASH

            
            	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_HASH

            
            	help

            
            	  Whirlpool hash algorithm 512, 384 and 256-bit hashes


            	  Whirlpool-512 is part of the NESSIE cryptographic primitives.

            
            	  Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard


            	  See also:

            
            	  <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>


            config CRYPTO_GHASH_CLMUL_NI_INTEL

            
            	tristate "GHASH digest algorithm (CLMUL-NI accelerated)"

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

            
            	select CRYPTO_SHASH

            
            	select CRYPTO_CRYPTD

            
            	help

            
            	  GHASH is message digest algorithm for GCM (Galois/Counter Mode).

            
            	  The implementation is accelerated by CLMUL-NI of Intel.


            comment "Ciphers"


            config CRYPTO_AES

            
            	tristate "AES cipher algorithms"

            
            	select CRYPTO_ALGAPI

            
            	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.


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


            	  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

            
            	  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/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

            
            	  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/encryption/aes/> for more information.


            config CRYPTO_AES_NI_INTEL

            
            	tristate "AES cipher algorithms (AES-NI)"

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

            
            	select CRYPTO_AES_X86_64

            
            	select CRYPTO_CRYPTD

            
            	select CRYPTO_ALGAPI

            
            	select CRYPTO_FPU

            
            	help

            
            	  Use Intel AES-NI instructions for AES algorithm.


            	  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/encryption/aes/> for more information.


            	  In addition to AES cipher algorithm support, the

            
            	  acceleration for some popular block cipher mode is supported

            
            	  too, including ECB, CBC, CTR, LRW, PCBC, XTS.


            config CRYPTO_ANUBIS

            
            	tristate "Anubis cipher algorithm"

            
            	select CRYPTO_ALGAPI

            
            	help

            
            	  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.


            	  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

            
            	help

            
            	  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:

            
            	  <http://www.schneier.com/blowfish.html>


            config CRYPTO_CAMELLIA

            
            	tristate "Camellia cipher algorithms"

            
            	depends on CRYPTO

            
            	select CRYPTO_ALGAPI

            
            	help

            
            	  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:

            
            	  <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>


            config CRYPTO_CAST5

            
            	tristate "CAST5 (CAST-128) cipher algorithm"

            
            	select CRYPTO_ALGAPI

            
            	help

            
            	  The CAST5 encryption algorithm (synonymous with CAST-128) is

            
            	  described in RFC2144.


            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.


            config CRYPTO_DES

            
            	tristate "DES and Triple DES EDE cipher algorithms"

            
            	select CRYPTO_ALGAPI

            
            	help

            
            	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).


            config CRYPTO_FCRYPT

            
            	tristate "FCrypt cipher algorithm"

            
            	select CRYPTO_ALGAPI

            
            	select CRYPTO_BLKCIPHER

            
            	help

            
            	  FCrypt algorithm used by RxRPC.


            config CRYPTO_KHAZAD

            
            	tristate "Khazad cipher algorithm"

            
            	select CRYPTO_ALGAPI

            
            	help

            
            	  Khazad 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.


            	  See also:

            
            	  <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>


            config CRYPTO_SALSA20

            
            	tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"

            
            	depends on EXPERIMENTAL

            
            	select CRYPTO_BLKCIPHER

            
            	help

            
            	  Salsa20 stream cipher algorithm.


            	  Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT

            
            	  Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>


            	  The Salsa20 stream cipher algorithm is designed by Daniel J.

            
            	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>


            config CRYPTO_SALSA20_586

            
            	tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"

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

            
            	depends on EXPERIMENTAL

            
            	select CRYPTO_BLKCIPHER

            
            	help

            
            	  Salsa20 stream cipher algorithm.


            	  Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT

            
            	  Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>


            	  The Salsa20 stream cipher algorithm is designed by Daniel J.

            
            	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>


            config CRYPTO_SALSA20_X86_64

            
            	tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"

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

            
            	depends on EXPERIMENTAL

            
            	select CRYPTO_BLKCIPHER

            
            	help

            
            	  Salsa20 stream cipher algorithm.


            	  Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT

            
            	  Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>


            	  The Salsa20 stream cipher algorithm is designed by Daniel J.

            
            	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>


            config CRYPTO_SEED

            
            	tristate "SEED cipher algorithm"

            
            	select CRYPTO_ALGAPI

            
            	help

            
            	  SEED cipher algorithm (RFC4269).


            	  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.


            	  See also:

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


            config CRYPTO_SERPENT

            
            	tristate "Serpent cipher algorithm"

            
            	select CRYPTO_ALGAPI

            
            	help

            
            	  Serpent cipher algorithm, by Anderson, Biham & Knudsen.


            	  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"

            
            	select CRYPTO_ALGAPI

            
            	help

            
            	  TEA cipher algorithm.


            	  Tiny Encryption Algorithm is a simple cipher that uses

            
            	  many rounds for security.  It is very fast and uses

            
            	  little memory.


            	  Xtendend Tiny Encryption Algorithm is a modification to

            
            	  the TEA algorithm to address a potential key weakness

            
            	  in the TEA algorithm.


            	  Xtendend Encryption Tiny Algorithm is a mis-implementation

            
            	  of the XTEA algorithm for compatibility purposes.


            config CRYPTO_TWOFISH

            
            	tristate "Twofish 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:

            
            	  <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_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:

            
            	  <http://www.schneier.com/twofish.html>


            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

            
            	  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.


            	  See also:

            
            	  <http://www.schneier.com/twofish.html>


            comment "Compression"


            config CRYPTO_DEFLATE

            
            	tristate "Deflate compression algorithm"

            
            	select CRYPTO_ALGAPI

            
            	select ZLIB_INFLATE

            
            	select ZLIB_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_ZLIB

            
            	tristate "Zlib compression algorithm"

            
            	select CRYPTO_PCOMP

            
            	select ZLIB_INFLATE

            
            	select ZLIB_DEFLATE

            
            	select NLATTR

            
            	help

            
            	  This is the zlib algorithm.


            config CRYPTO_LZO

            
            	tristate "LZO compression algorithm"

            
            	select CRYPTO_ALGAPI

            
            	select LZO_COMPRESS

            
            	select LZO_DECOMPRESS

            
            	help

            
            	  This is the LZO algorithm.


            comment "Random Number Generation"


            config CRYPTO_ANSI_CPRNG

            
            	tristate "Pseudo Random Number Generation for Cryptographic modules"

            
            	default m

            
            	select CRYPTO_AES

            
            	select CRYPTO_RNG

            
            	help

            
            	  This option enables the generic pseudo random number generator

            
            	  for cryptographic modules.  Uses the Algorithm specified in

            
            	  ANSI X9.31 A.2.4. Not this option must be enabled if CRYPTO_FIPS

            
            	  is selected


            source "drivers/crypto/Kconfig"


            endif	# if CRYPTO