[net-next-2.6.git] / crypto / Kconfig

#
# 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
	bool "Cryptographic API"
	help
	  This option provides the core Cryptographic API.

if CRYPTO

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_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
	  and similar modes.

config CRYPTO_HASH
	tristate
	select CRYPTO_ALGAPI

config CRYPTO_MANAGER
	tristate "Cryptographic algorithm manager"
	select CRYPTO_ALGAPI
	help
	  Create default cryptographic template instantiations such as
	  cbc(aes).

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_NULL
	tristate "Null algorithms"
	select CRYPTO_ALGAPI
	help
	  These are 'Null' algorithms, used by IPsec, which do nothing.

config CRYPTO_MD4
	tristate "MD4 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  MD4 message digest algorithm (RFC1320).

config CRYPTO_MD5
	tristate "MD5 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  MD5 message digest algorithm (RFC1321).

config CRYPTO_SHA1
	tristate "SHA1 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).

config CRYPTO_SHA256
	tristate "SHA224 and 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.

          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_WP512
	tristate "Whirlpool digest algorithms"
	select CRYPTO_ALGAPI
	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_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_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_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_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_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_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_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_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_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_CCM
	tristate "CCM support"
	select CRYPTO_CTR
	select CRYPTO_AEAD
	help
	  Support for Counter with CBC MAC. Required for IPsec.

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_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_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_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>

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_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_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_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_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_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_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_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_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_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_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.

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_TEST
	tristate "Testing module"
	depends on m
	select CRYPTO_ALGAPI
	select CRYPTO_AEAD
	help
	  Quick & dirty crypto test module.

config CRYPTO_AUTHENC
	tristate "Authenc support"
	select CRYPTO_AEAD
	select CRYPTO_MANAGER
	select CRYPTO_HASH
	help
	  Authenc: Combined mode wrapper for IPsec.
	  This is required for IPSec.

config CRYPTO_LZO
	tristate "LZO compression algorithm"
	select CRYPTO_ALGAPI
	select LZO_COMPRESS
	select LZO_DECOMPRESS
	help
	  This is the LZO algorithm.

source "drivers/crypto/Kconfig"

endif	# if CRYPTO
Commit	Line	Data
685784aa DW	1	#
	2	# Generic algorithms support
	3	#
	4	config XOR_BLOCKS
	5	tristate
	6
1da177e4	7	#
9bc89cd8	8	# async_tx api: hardware offloaded memory transfer/transform support
1da177e4	9	#
9bc89cd8	10	source "crypto/async_tx/Kconfig"
1da177e4	11
9bc89cd8 DW	12	#
	13	# Cryptographic API Configuration
	14	#
2e290f43	15	menuconfig CRYPTO
1da177e4 LT	16	bool "Cryptographic API"
	17	help
	18	This option provides the core Cryptographic API.
	19
cce9e06d HX	20	if CRYPTO
	21
	22	config CRYPTO_ALGAPI
	23	tristate
	24	help
	25	This option provides the API for cryptographic algorithms.
	26
1ae97820 HX	27	config CRYPTO_AEAD
	28	tristate
	29	select CRYPTO_ALGAPI
	30
5cde0af2 HX	31	config CRYPTO_BLKCIPHER
	32	tristate
	33	select CRYPTO_ALGAPI
	34
0a270321 HX	35	config CRYPTO_SEQIV
0a270321 HX	36	tristate "Sequence Number IV Generator"
47262042	37	select CRYPTO_AEAD
0a270321 HX	38	select CRYPTO_BLKCIPHER
	39	help
	40	This IV generator generates an IV based on a sequence number by
	41	xoring it with a salt. This algorithm is mainly useful for CTR
	42	and similar modes.
	43
055bcee3 HX	44	config CRYPTO_HASH
	45	tristate
	46	select CRYPTO_ALGAPI
	47
2b8c19db HX	48	config CRYPTO_MANAGER
	49	tristate "Cryptographic algorithm manager"
	50	select CRYPTO_ALGAPI
2b8c19db HX	51	help
	52	Create default cryptographic template instantiations such as
	53	cbc(aes).
	54
1da177e4	55	config CRYPTO_HMAC
8425165d	56	tristate "HMAC support"
0796ae06	57	select CRYPTO_HASH
43518407	58	select CRYPTO_MANAGER
1da177e4 LT	59	help
	60	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	61	This is required for IPSec.
	62
333b0d7e KM	63	config CRYPTO_XCBC
	64	tristate "XCBC support"
	65	depends on EXPERIMENTAL
	66	select CRYPTO_HASH
	67	select CRYPTO_MANAGER
	68	help
	69	XCBC: Keyed-Hashing with encryption algorithm
	70	http://www.ietf.org/rfc/rfc3566.txt
	71	http://csrc.nist.gov/encryption/modes/proposedmodes/
	72	xcbc-mac/xcbc-mac-spec.pdf
	73
1da177e4 LT	74	config CRYPTO_NULL
1da177e4 LT	75	tristate "Null algorithms"
cce9e06d	76	select CRYPTO_ALGAPI
1da177e4 LT	77	help
	78	These are 'Null' algorithms, used by IPsec, which do nothing.
	79
	80	config CRYPTO_MD4
	81	tristate "MD4 digest algorithm"
cce9e06d	82	select CRYPTO_ALGAPI
1da177e4 LT	83	help
	84	MD4 message digest algorithm (RFC1320).
	85
	86	config CRYPTO_MD5
	87	tristate "MD5 digest algorithm"
cce9e06d	88	select CRYPTO_ALGAPI
1da177e4 LT	89	help
	90	MD5 message digest algorithm (RFC1321).
	91
	92	config CRYPTO_SHA1
	93	tristate "SHA1 digest algorithm"
cce9e06d	94	select CRYPTO_ALGAPI
1da177e4 LT	95	help
	96	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	97
1da177e4	98	config CRYPTO_SHA256
cd12fb90	99	tristate "SHA224 and SHA256 digest algorithm"
cce9e06d	100	select CRYPTO_ALGAPI
1da177e4 LT	101	help
	102	SHA256 secure hash standard (DFIPS 180-2).
	103
	104	This version of SHA implements a 256 bit hash with 128 bits of
	105	security against collision attacks.
	106
cd12fb90 JL	107	This code also includes SHA-224, a 224 bit hash with 112 bits
	108	of security against collision attacks.
	109
1da177e4 LT	110	config CRYPTO_SHA512
1da177e4 LT	111	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	112	select CRYPTO_ALGAPI
1da177e4 LT	113	help
	114	SHA512 secure hash standard (DFIPS 180-2).
	115
	116	This version of SHA implements a 512 bit hash with 256 bits of
	117	security against collision attacks.
	118
	119	This code also includes SHA-384, a 384 bit hash with 192 bits
	120	of security against collision attacks.
	121
	122	config CRYPTO_WP512
	123	tristate "Whirlpool digest algorithms"
cce9e06d	124	select CRYPTO_ALGAPI
1da177e4 LT	125	help
	126	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	127
	128	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	129	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	130
	131	See also:
	132	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	133
	134	config CRYPTO_TGR192
	135	tristate "Tiger digest algorithms"
cce9e06d	136	select CRYPTO_ALGAPI
1da177e4 LT	137	help
	138	Tiger hash algorithm 192, 160 and 128-bit hashes
	139
	140	Tiger is a hash function optimized for 64-bit processors while
	141	still having decent performance on 32-bit processors.
	142	Tiger was developed by Ross Anderson and Eli Biham.
	143
	144	See also:
	145	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	146
c494e070 RS	147	config CRYPTO_GF128MUL
	148	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	149	depends on EXPERIMENTAL
	150	help
	151	Efficient table driven implementation of multiplications in the
	152	field GF(2^128). This is needed by some cypher modes. This
	153	option will be selected automatically if you select such a
	154	cipher mode. Only select this option by hand if you expect to load
	155	an external module that requires these functions.
	156
db131ef9 HX	157	config CRYPTO_ECB
	158	tristate "ECB support"
	159	select CRYPTO_BLKCIPHER
43518407	160	select CRYPTO_MANAGER
db131ef9 HX	161	help
	162	ECB: Electronic CodeBook mode
	163	This is the simplest block cipher algorithm. It simply encrypts
	164	the input block by block.
	165
	166	config CRYPTO_CBC
	167	tristate "CBC support"
	168	select CRYPTO_BLKCIPHER
43518407	169	select CRYPTO_MANAGER
db131ef9 HX	170	help
	171	CBC: Cipher Block Chaining mode
	172	This block cipher algorithm is required for IPSec.
	173
91652be5 DH	174	config CRYPTO_PCBC
	175	tristate "PCBC support"
	176	select CRYPTO_BLKCIPHER
	177	select CRYPTO_MANAGER
91652be5 DH	178	help
	179	PCBC: Propagating Cipher Block Chaining mode
	180	This block cipher algorithm is required for RxRPC.
	181
64470f1b RS	182	config CRYPTO_LRW
	183	tristate "LRW support (EXPERIMENTAL)"
	184	depends on EXPERIMENTAL
	185	select CRYPTO_BLKCIPHER
	186	select CRYPTO_MANAGER
	187	select CRYPTO_GF128MUL
	188	help
	189	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	190	narrow block cipher mode for dm-crypt. Use it with cipher
	191	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	192	The first 128, 192 or 256 bits in the key are used for AES and the
	193	rest is used to tie each cipher block to its logical position.
	194
f19f5111 RS	195	config CRYPTO_XTS
	196	tristate "XTS support (EXPERIMENTAL)"
	197	depends on EXPERIMENTAL
	198	select CRYPTO_BLKCIPHER
	199	select CRYPTO_MANAGER
	200	select CRYPTO_GF128MUL
	201	help
	202	XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
	203	key size 256, 384 or 512 bits. This implementation currently
	204	can't handle a sectorsize which is not a multiple of 16 bytes.
	205
23e353c8 JL	206	config CRYPTO_CTR
	207	tristate "CTR support"
	208	select CRYPTO_BLKCIPHER
0a270321	209	select CRYPTO_SEQIV
23e353c8	210	select CRYPTO_MANAGER
23e353c8 JL	211	help
	212	CTR: Counter mode
	213	This block cipher algorithm is required for IPSec.
	214
28db8e3e MH	215	config CRYPTO_GCM
	216	tristate "GCM/GMAC support"
	217	select CRYPTO_CTR
	218	select CRYPTO_AEAD
	219	select CRYPTO_GF128MUL
	220	help
	221	Support for Galois/Counter Mode (GCM) and Galois Message
	222	Authentication Code (GMAC). Required for IPSec.
	223
4a49b499 JL	224	config CRYPTO_CCM
	225	tristate "CCM support"
	226	select CRYPTO_CTR
	227	select CRYPTO_AEAD
	228	help
	229	Support for Counter with CBC MAC. Required for IPsec.
	230
124b53d0 HX	231	config CRYPTO_CRYPTD
124b53d0 HX	232	tristate "Software async crypto daemon"
653ebd9c	233	select CRYPTO_BLKCIPHER
124b53d0 HX	234	select CRYPTO_MANAGER
	235	help
	236	This is a generic software asynchronous crypto daemon that
	237	converts an arbitrary synchronous software crypto algorithm
	238	into an asynchronous algorithm that executes in a kernel thread.
	239
1da177e4 LT	240	config CRYPTO_DES
1da177e4 LT	241	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	242	select CRYPTO_ALGAPI
1da177e4 LT	243	help
	244	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	245
90831639 DH	246	config CRYPTO_FCRYPT
	247	tristate "FCrypt cipher algorithm"
	248	select CRYPTO_ALGAPI
	249	select CRYPTO_BLKCIPHER
	250	help
	251	FCrypt algorithm used by RxRPC.
	252
1da177e4 LT	253	config CRYPTO_BLOWFISH
1da177e4 LT	254	tristate "Blowfish cipher algorithm"
cce9e06d	255	select CRYPTO_ALGAPI
1da177e4 LT	256	help
	257	Blowfish cipher algorithm, by Bruce Schneier.
	258
	259	This is a variable key length cipher which can use keys from 32
	260	bits to 448 bits in length. It's fast, simple and specifically
	261	designed for use on "large microprocessors".
	262
	263	See also:
	264	<http://www.schneier.com/blowfish.html>
	265
	266	config CRYPTO_TWOFISH
	267	tristate "Twofish cipher algorithm"
cce9e06d	268	select CRYPTO_ALGAPI
2729bb42	269	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	270	help
	271	Twofish cipher algorithm.
	272
	273	Twofish was submitted as an AES (Advanced Encryption Standard)
	274	candidate cipher by researchers at CounterPane Systems. It is a
	275	16 round block cipher supporting key sizes of 128, 192, and 256
	276	bits.
	277
	278	See also:
	279	<http://www.schneier.com/twofish.html>
	280
2729bb42 JF	281	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	282	tristate
2729bb42 JF	283	help
	284	Common parts of the Twofish cipher algorithm shared by the
	285	generic c and the assembler implementations.
	286
b9f535ff JF	287	config CRYPTO_TWOFISH_586
b9f535ff JF	288	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	289	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	290	select CRYPTO_ALGAPI
b9f535ff JF	291	select CRYPTO_TWOFISH_COMMON
	292	help
	293	Twofish cipher algorithm.
	294
	295	Twofish was submitted as an AES (Advanced Encryption Standard)
	296	candidate cipher by researchers at CounterPane Systems. It is a
	297	16 round block cipher supporting key sizes of 128, 192, and 256
	298	bits.
	299
	300	See also:
	301	<http://www.schneier.com/twofish.html>
	302
eaf44088 JF	303	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	304	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	305	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	306	select CRYPTO_ALGAPI
eaf44088 JF	307	select CRYPTO_TWOFISH_COMMON
	308	help
	309	Twofish cipher algorithm (x86_64).
	310
	311	Twofish was submitted as an AES (Advanced Encryption Standard)
	312	candidate cipher by researchers at CounterPane Systems. It is a
	313	16 round block cipher supporting key sizes of 128, 192, and 256
	314	bits.
	315
	316	See also:
	317	<http://www.schneier.com/twofish.html>
	318
1da177e4 LT	319	config CRYPTO_SERPENT
1da177e4 LT	320	tristate "Serpent cipher algorithm"
cce9e06d	321	select CRYPTO_ALGAPI
1da177e4 LT	322	help
	323	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	324
	325	Keys are allowed to be from 0 to 256 bits in length, in steps
	326	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	327	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	328
	329	See also:
	330	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	331
	332	config CRYPTO_AES
	333	tristate "AES cipher algorithms"
cce9e06d	334	select CRYPTO_ALGAPI
1da177e4 LT	335	help
	336	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	337	algorithm.
	338
	339	Rijndael appears to be consistently a very good performer in
	340	both hardware and software across a wide range of computing
	341	environments regardless of its use in feedback or non-feedback
	342	modes. Its key setup time is excellent, and its key agility is
	343	good. Rijndael's very low memory requirements make it very well
	344	suited for restricted-space environments, in which it also
	345	demonstrates excellent performance. Rijndael's operations are
	346	among the easiest to defend against power and timing attacks.
	347
	348	The AES specifies three key sizes: 128, 192 and 256 bits
	349
	350	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	351
	352	config CRYPTO_AES_586
	353	tristate "AES cipher algorithms (i586)"
cce9e06d HX	354	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	355	select CRYPTO_ALGAPI
5157dea8	356	select CRYPTO_AES
1da177e4 LT	357	help
	358	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	359	algorithm.
	360
	361	Rijndael appears to be consistently a very good performer in
	362	both hardware and software across a wide range of computing
	363	environments regardless of its use in feedback or non-feedback
	364	modes. Its key setup time is excellent, and its key agility is
	365	good. Rijndael's very low memory requirements make it very well
	366	suited for restricted-space environments, in which it also
	367	demonstrates excellent performance. Rijndael's operations are
	368	among the easiest to defend against power and timing attacks.
	369
	370	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	371
	372	See <http://csrc.nist.gov/encryption/aes/> for more information.
	373
	374	config CRYPTO_AES_X86_64
	375	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	376	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	377	select CRYPTO_ALGAPI
81190b32	378	select CRYPTO_AES
a2a892a2 AS	379	help
	380	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	381	algorithm.
	382
	383	Rijndael appears to be consistently a very good performer in
	384	both hardware and software across a wide range of computing
	385	environments regardless of its use in feedback or non-feedback
	386	modes. Its key setup time is excellent, and its key agility is
	387	good. Rijndael's very low memory requirements make it very well
	388	suited for restricted-space environments, in which it also
	389	demonstrates excellent performance. Rijndael's operations are
	390	among the easiest to defend against power and timing attacks.
	391
	392	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	393
	394	See <http://csrc.nist.gov/encryption/aes/> for more information.
	395
	396	config CRYPTO_CAST5
	397	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	398	select CRYPTO_ALGAPI
1da177e4 LT	399	help
	400	The CAST5 encryption algorithm (synonymous with CAST-128) is
	401	described in RFC2144.
	402
	403	config CRYPTO_CAST6
	404	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	405	select CRYPTO_ALGAPI
1da177e4 LT	406	help
	407	The CAST6 encryption algorithm (synonymous with CAST-256) is
	408	described in RFC2612.
	409
	410	config CRYPTO_TEA
fb4f10ed	411	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	412	select CRYPTO_ALGAPI
1da177e4 LT	413	help
	414	TEA cipher algorithm.
	415
	416	Tiny Encryption Algorithm is a simple cipher that uses
	417	many rounds for security. It is very fast and uses
	418	little memory.
	419
	420	Xtendend Tiny Encryption Algorithm is a modification to
	421	the TEA algorithm to address a potential key weakness
	422	in the TEA algorithm.
	423
fb4f10ed AG	424	Xtendend Encryption Tiny Algorithm is a mis-implementation
	425	of the XTEA algorithm for compatibility purposes.
	426
1da177e4 LT	427	config CRYPTO_ARC4
1da177e4 LT	428	tristate "ARC4 cipher algorithm"
cce9e06d	429	select CRYPTO_ALGAPI
1da177e4 LT	430	help
	431	ARC4 cipher algorithm.
	432
	433	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	434	bits in length. This algorithm is required for driver-based
	435	WEP, but it should not be for other purposes because of the
	436	weakness of the algorithm.
	437
	438	config CRYPTO_KHAZAD
	439	tristate "Khazad cipher algorithm"
cce9e06d	440	select CRYPTO_ALGAPI
1da177e4 LT	441	help
	442	Khazad cipher algorithm.
	443
	444	Khazad was a finalist in the initial NESSIE competition. It is
	445	an algorithm optimized for 64-bit processors with good performance
	446	on 32-bit processors. Khazad uses an 128 bit key size.
	447
	448	See also:
	449	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	450
	451	config CRYPTO_ANUBIS
	452	tristate "Anubis cipher algorithm"
cce9e06d	453	select CRYPTO_ALGAPI
1da177e4 LT	454	help
	455	Anubis cipher algorithm.
	456
	457	Anubis is a variable key length cipher which can use keys from
	458	128 bits to 320 bits in length. It was evaluated as a entrant
	459	in the NESSIE competition.
	460
	461	See also:
	462	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	463	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	464
e2ee95b8 HSC	465	config CRYPTO_SEED
	466	tristate "SEED cipher algorithm"
	467	select CRYPTO_ALGAPI
	468	help
	469	SEED cipher algorithm (RFC4269).
	470
	471	SEED is a 128-bit symmetric key block cipher that has been
	472	developed by KISA (Korea Information Security Agency) as a
	473	national standard encryption algorithm of the Republic of Korea.
	474	It is a 16 round block cipher with the key size of 128 bit.
	475
	476	See also:
	477	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	478
2407d608 TSH	479	config CRYPTO_SALSA20
	480	tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
	481	depends on EXPERIMENTAL
	482	select CRYPTO_BLKCIPHER
	483	help
	484	Salsa20 stream cipher algorithm.
	485
	486	Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	487	Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
974e4b75 TSH	488
	489	The Salsa20 stream cipher algorithm is designed by Daniel J.
	490	Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
	491
	492	config CRYPTO_SALSA20_586
	493	tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
	494	depends on (X86 \|\| UML_X86) && !64BIT
	495	depends on EXPERIMENTAL
	496	select CRYPTO_BLKCIPHER
974e4b75 TSH	497	help
	498	Salsa20 stream cipher algorithm.
	499
	500	Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	501	Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
9a7dafbb TSH	502
	503	The Salsa20 stream cipher algorithm is designed by Daniel J.
	504	Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
	505
	506	config CRYPTO_SALSA20_X86_64
	507	tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
	508	depends on (X86 \|\| UML_X86) && 64BIT
	509	depends on EXPERIMENTAL
	510	select CRYPTO_BLKCIPHER
9a7dafbb TSH	511	help
	512	Salsa20 stream cipher algorithm.
	513
	514	Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	515	Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
2407d608 TSH	516
	517	The Salsa20 stream cipher algorithm is designed by Daniel J.
	518	Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
1da177e4 LT	519
	520	config CRYPTO_DEFLATE
	521	tristate "Deflate compression algorithm"
cce9e06d	522	select CRYPTO_ALGAPI
1da177e4 LT	523	select ZLIB_INFLATE
	524	select ZLIB_DEFLATE
	525	help
	526	This is the Deflate algorithm (RFC1951), specified for use in
	527	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	528
	529	You will most probably want this if using IPSec.
	530
	531	config CRYPTO_MICHAEL_MIC
	532	tristate "Michael MIC keyed digest algorithm"
cce9e06d	533	select CRYPTO_ALGAPI
1da177e4 LT	534	help
	535	Michael MIC is used for message integrity protection in TKIP
	536	(IEEE 802.11i). This algorithm is required for TKIP, but it
	537	should not be used for other purposes because of the weakness
	538	of the algorithm.
	539
	540	config CRYPTO_CRC32C
	541	tristate "CRC32c CRC algorithm"
cce9e06d	542	select CRYPTO_ALGAPI
1da177e4 LT	543	select LIBCRC32C
	544	help
	545	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	546	by iSCSI for header and data digests and by others.
	547	See Castagnoli93. This implementation uses lib/libcrc32c.
	548	Module will be crc32c.
	549
04ac7db3 NT	550	config CRYPTO_CAMELLIA
	551	tristate "Camellia cipher algorithms"
	552	depends on CRYPTO
	553	select CRYPTO_ALGAPI
	554	help
	555	Camellia cipher algorithms module.
	556
	557	Camellia is a symmetric key block cipher developed jointly
	558	at NTT and Mitsubishi Electric Corporation.
	559
	560	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	561
	562	See also:
	563	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	564
1da177e4 LT	565	config CRYPTO_TEST
1da177e4 LT	566	tristate "Testing module"
cce9e06d HX	567	depends on m
cce9e06d HX	568	select CRYPTO_ALGAPI
d1cda4e3	569	select CRYPTO_AEAD
1da177e4 LT	570	help
	571	Quick & dirty crypto test module.
	572
3c09f17c HX	573	config CRYPTO_AUTHENC
	574	tristate "Authenc support"
	575	select CRYPTO_AEAD
	576	select CRYPTO_MANAGER
5e553110	577	select CRYPTO_HASH
3c09f17c HX	578	help
	579	Authenc: Combined mode wrapper for IPsec.
	580	This is required for IPSec.
	581
0b77abb3 ZS	582	config CRYPTO_LZO
	583	tristate "LZO compression algorithm"
	584	select CRYPTO_ALGAPI
	585	select LZO_COMPRESS
	586	select LZO_DECOMPRESS
	587	help
	588	This is the LZO algorithm.
	589
1da177e4	590	source "drivers/crypto/Kconfig"
1da177e4	591
cce9e06d	592	endif # if CRYPTO