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

#
# Cryptographic API Configuration
#

menu "Cryptographic options"

config 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_ABLKCIPHER
	tristate
	select CRYPTO_BLKCIPHER

config CRYPTO_BLKCIPHER
	tristate
	select CRYPTO_ALGAPI

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 "SHA256 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  SHA256 secure hash standard (DFIPS 180-2).
	  
	  This version of SHA implements a 256 bit hash with 128 bits of
	  security against collision attacks.

config CRYPTO_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
	default m
	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
	default m
	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
	default m
	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_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 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
	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
	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_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
	help
	  Quick & dirty crypto test module.

source "drivers/crypto/Kconfig"

endif	# if CRYPTO

endmenu
Commit	Line	Data
1da177e4 LT	1	#
	2	# Cryptographic API Configuration
	3	#
	4
	5	menu "Cryptographic options"
	6
	7	config CRYPTO
	8	bool "Cryptographic API"
	9	help
	10	This option provides the core Cryptographic API.
	11
cce9e06d HX	12	if CRYPTO
	13
	14	config CRYPTO_ALGAPI
	15	tristate
	16	help
	17	This option provides the API for cryptographic algorithms.
	18
b5b7f088 HX	19	config CRYPTO_ABLKCIPHER
	20	tristate
	21	select CRYPTO_BLKCIPHER
	22
5cde0af2 HX	23	config CRYPTO_BLKCIPHER
	24	tristate
	25	select CRYPTO_ALGAPI
	26
055bcee3 HX	27	config CRYPTO_HASH
	28	tristate
	29	select CRYPTO_ALGAPI
	30
2b8c19db HX	31	config CRYPTO_MANAGER
	32	tristate "Cryptographic algorithm manager"
	33	select CRYPTO_ALGAPI
2b8c19db HX	34	help
	35	Create default cryptographic template instantiations such as
	36	cbc(aes).
	37
1da177e4	38	config CRYPTO_HMAC
8425165d	39	tristate "HMAC support"
0796ae06	40	select CRYPTO_HASH
43518407	41	select CRYPTO_MANAGER
1da177e4 LT	42	help
	43	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	44	This is required for IPSec.
	45
333b0d7e KM	46	config CRYPTO_XCBC
	47	tristate "XCBC support"
	48	depends on EXPERIMENTAL
	49	select CRYPTO_HASH
	50	select CRYPTO_MANAGER
	51	help
	52	XCBC: Keyed-Hashing with encryption algorithm
	53	http://www.ietf.org/rfc/rfc3566.txt
	54	http://csrc.nist.gov/encryption/modes/proposedmodes/
	55	xcbc-mac/xcbc-mac-spec.pdf
	56
1da177e4 LT	57	config CRYPTO_NULL
1da177e4 LT	58	tristate "Null algorithms"
cce9e06d	59	select CRYPTO_ALGAPI
1da177e4 LT	60	help
	61	These are 'Null' algorithms, used by IPsec, which do nothing.
	62
	63	config CRYPTO_MD4
	64	tristate "MD4 digest algorithm"
cce9e06d	65	select CRYPTO_ALGAPI
1da177e4 LT	66	help
	67	MD4 message digest algorithm (RFC1320).
	68
	69	config CRYPTO_MD5
	70	tristate "MD5 digest algorithm"
cce9e06d	71	select CRYPTO_ALGAPI
1da177e4 LT	72	help
	73	MD5 message digest algorithm (RFC1321).
	74
	75	config CRYPTO_SHA1
	76	tristate "SHA1 digest algorithm"
cce9e06d	77	select CRYPTO_ALGAPI
1da177e4 LT	78	help
	79	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	80
1da177e4 LT	81	config CRYPTO_SHA256
1da177e4 LT	82	tristate "SHA256 digest algorithm"
cce9e06d	83	select CRYPTO_ALGAPI
1da177e4 LT	84	help
	85	SHA256 secure hash standard (DFIPS 180-2).
	86
	87	This version of SHA implements a 256 bit hash with 128 bits of
	88	security against collision attacks.
	89
	90	config CRYPTO_SHA512
	91	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	92	select CRYPTO_ALGAPI
1da177e4 LT	93	help
	94	SHA512 secure hash standard (DFIPS 180-2).
	95
	96	This version of SHA implements a 512 bit hash with 256 bits of
	97	security against collision attacks.
	98
	99	This code also includes SHA-384, a 384 bit hash with 192 bits
	100	of security against collision attacks.
	101
	102	config CRYPTO_WP512
	103	tristate "Whirlpool digest algorithms"
cce9e06d	104	select CRYPTO_ALGAPI
1da177e4 LT	105	help
	106	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	107
	108	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	109	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	110
	111	See also:
	112	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	113
	114	config CRYPTO_TGR192
	115	tristate "Tiger digest algorithms"
cce9e06d	116	select CRYPTO_ALGAPI
1da177e4 LT	117	help
	118	Tiger hash algorithm 192, 160 and 128-bit hashes
	119
	120	Tiger is a hash function optimized for 64-bit processors while
	121	still having decent performance on 32-bit processors.
	122	Tiger was developed by Ross Anderson and Eli Biham.
	123
	124	See also:
	125	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	126
c494e070 RS	127	config CRYPTO_GF128MUL
	128	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	129	depends on EXPERIMENTAL
	130	help
	131	Efficient table driven implementation of multiplications in the
	132	field GF(2^128). This is needed by some cypher modes. This
	133	option will be selected automatically if you select such a
	134	cipher mode. Only select this option by hand if you expect to load
	135	an external module that requires these functions.
	136
db131ef9 HX	137	config CRYPTO_ECB
	138	tristate "ECB support"
	139	select CRYPTO_BLKCIPHER
43518407	140	select CRYPTO_MANAGER
db131ef9 HX	141	default m
	142	help
	143	ECB: Electronic CodeBook mode
	144	This is the simplest block cipher algorithm. It simply encrypts
	145	the input block by block.
	146
	147	config CRYPTO_CBC
	148	tristate "CBC support"
	149	select CRYPTO_BLKCIPHER
43518407	150	select CRYPTO_MANAGER
db131ef9 HX	151	default m
	152	help
	153	CBC: Cipher Block Chaining mode
	154	This block cipher algorithm is required for IPSec.
	155
91652be5 DH	156	config CRYPTO_PCBC
	157	tristate "PCBC support"
	158	select CRYPTO_BLKCIPHER
	159	select CRYPTO_MANAGER
	160	default m
	161	help
	162	PCBC: Propagating Cipher Block Chaining mode
	163	This block cipher algorithm is required for RxRPC.
	164
64470f1b RS	165	config CRYPTO_LRW
	166	tristate "LRW support (EXPERIMENTAL)"
	167	depends on EXPERIMENTAL
	168	select CRYPTO_BLKCIPHER
	169	select CRYPTO_MANAGER
	170	select CRYPTO_GF128MUL
	171	help
	172	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	173	narrow block cipher mode for dm-crypt. Use it with cipher
	174	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	175	The first 128, 192 or 256 bits in the key are used for AES and the
	176	rest is used to tie each cipher block to its logical position.
	177
1da177e4 LT	178	config CRYPTO_DES
1da177e4 LT	179	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	180	select CRYPTO_ALGAPI
1da177e4 LT	181	help
	182	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	183
90831639 DH	184	config CRYPTO_FCRYPT
	185	tristate "FCrypt cipher algorithm"
	186	select CRYPTO_ALGAPI
	187	select CRYPTO_BLKCIPHER
	188	help
	189	FCrypt algorithm used by RxRPC.
	190
1da177e4 LT	191	config CRYPTO_BLOWFISH
1da177e4 LT	192	tristate "Blowfish cipher algorithm"
cce9e06d	193	select CRYPTO_ALGAPI
1da177e4 LT	194	help
	195	Blowfish cipher algorithm, by Bruce Schneier.
	196
	197	This is a variable key length cipher which can use keys from 32
	198	bits to 448 bits in length. It's fast, simple and specifically
	199	designed for use on "large microprocessors".
	200
	201	See also:
	202	<http://www.schneier.com/blowfish.html>
	203
	204	config CRYPTO_TWOFISH
	205	tristate "Twofish cipher algorithm"
cce9e06d	206	select CRYPTO_ALGAPI
2729bb42	207	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	208	help
	209	Twofish cipher algorithm.
	210
	211	Twofish was submitted as an AES (Advanced Encryption Standard)
	212	candidate cipher by researchers at CounterPane Systems. It is a
	213	16 round block cipher supporting key sizes of 128, 192, and 256
	214	bits.
	215
	216	See also:
	217	<http://www.schneier.com/twofish.html>
	218
2729bb42 JF	219	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	220	tristate
2729bb42 JF	221	help
	222	Common parts of the Twofish cipher algorithm shared by the
	223	generic c and the assembler implementations.
	224
b9f535ff JF	225	config CRYPTO_TWOFISH_586
b9f535ff JF	226	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	227	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	228	select CRYPTO_ALGAPI
b9f535ff JF	229	select CRYPTO_TWOFISH_COMMON
	230	help
	231	Twofish cipher algorithm.
	232
	233	Twofish was submitted as an AES (Advanced Encryption Standard)
	234	candidate cipher by researchers at CounterPane Systems. It is a
	235	16 round block cipher supporting key sizes of 128, 192, and 256
	236	bits.
	237
	238	See also:
	239	<http://www.schneier.com/twofish.html>
	240
eaf44088 JF	241	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	242	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	243	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	244	select CRYPTO_ALGAPI
eaf44088 JF	245	select CRYPTO_TWOFISH_COMMON
	246	help
	247	Twofish cipher algorithm (x86_64).
	248
	249	Twofish was submitted as an AES (Advanced Encryption Standard)
	250	candidate cipher by researchers at CounterPane Systems. It is a
	251	16 round block cipher supporting key sizes of 128, 192, and 256
	252	bits.
	253
	254	See also:
	255	<http://www.schneier.com/twofish.html>
	256
1da177e4 LT	257	config CRYPTO_SERPENT
1da177e4 LT	258	tristate "Serpent cipher algorithm"
cce9e06d	259	select CRYPTO_ALGAPI
1da177e4 LT	260	help
	261	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	262
	263	Keys are allowed to be from 0 to 256 bits in length, in steps
	264	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
	265	variant of Serpent for compatibility with old kerneli code.
	266
	267	See also:
	268	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	269
	270	config CRYPTO_AES
	271	tristate "AES cipher algorithms"
cce9e06d	272	select CRYPTO_ALGAPI
1da177e4 LT	273	help
	274	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	275	algorithm.
	276
	277	Rijndael appears to be consistently a very good performer in
	278	both hardware and software across a wide range of computing
	279	environments regardless of its use in feedback or non-feedback
	280	modes. Its key setup time is excellent, and its key agility is
	281	good. Rijndael's very low memory requirements make it very well
	282	suited for restricted-space environments, in which it also
	283	demonstrates excellent performance. Rijndael's operations are
	284	among the easiest to defend against power and timing attacks.
	285
	286	The AES specifies three key sizes: 128, 192 and 256 bits
	287
	288	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	289
	290	config CRYPTO_AES_586
	291	tristate "AES cipher algorithms (i586)"
cce9e06d HX	292	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	293	select CRYPTO_ALGAPI
1da177e4 LT	294	help
	295	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	296	algorithm.
	297
	298	Rijndael appears to be consistently a very good performer in
	299	both hardware and software across a wide range of computing
	300	environments regardless of its use in feedback or non-feedback
	301	modes. Its key setup time is excellent, and its key agility is
	302	good. Rijndael's very low memory requirements make it very well
	303	suited for restricted-space environments, in which it also
	304	demonstrates excellent performance. Rijndael's operations are
	305	among the easiest to defend against power and timing attacks.
	306
	307	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	308
	309	See <http://csrc.nist.gov/encryption/aes/> for more information.
	310
	311	config CRYPTO_AES_X86_64
	312	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	313	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	314	select CRYPTO_ALGAPI
a2a892a2 AS	315	help
	316	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	317	algorithm.
	318
	319	Rijndael appears to be consistently a very good performer in
	320	both hardware and software across a wide range of computing
	321	environments regardless of its use in feedback or non-feedback
	322	modes. Its key setup time is excellent, and its key agility is
	323	good. Rijndael's very low memory requirements make it very well
	324	suited for restricted-space environments, in which it also
	325	demonstrates excellent performance. Rijndael's operations are
	326	among the easiest to defend against power and timing attacks.
	327
	328	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	329
	330	See <http://csrc.nist.gov/encryption/aes/> for more information.
	331
	332	config CRYPTO_CAST5
	333	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	334	select CRYPTO_ALGAPI
1da177e4 LT	335	help
	336	The CAST5 encryption algorithm (synonymous with CAST-128) is
	337	described in RFC2144.
	338
	339	config CRYPTO_CAST6
	340	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	341	select CRYPTO_ALGAPI
1da177e4 LT	342	help
	343	The CAST6 encryption algorithm (synonymous with CAST-256) is
	344	described in RFC2612.
	345
	346	config CRYPTO_TEA
fb4f10ed	347	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	348	select CRYPTO_ALGAPI
1da177e4 LT	349	help
	350	TEA cipher algorithm.
	351
	352	Tiny Encryption Algorithm is a simple cipher that uses
	353	many rounds for security. It is very fast and uses
	354	little memory.
	355
	356	Xtendend Tiny Encryption Algorithm is a modification to
	357	the TEA algorithm to address a potential key weakness
	358	in the TEA algorithm.
	359
fb4f10ed AG	360	Xtendend Encryption Tiny Algorithm is a mis-implementation
	361	of the XTEA algorithm for compatibility purposes.
	362
1da177e4 LT	363	config CRYPTO_ARC4
1da177e4 LT	364	tristate "ARC4 cipher algorithm"
cce9e06d	365	select CRYPTO_ALGAPI
1da177e4 LT	366	help
	367	ARC4 cipher algorithm.
	368
	369	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	370	bits in length. This algorithm is required for driver-based
	371	WEP, but it should not be for other purposes because of the
	372	weakness of the algorithm.
	373
	374	config CRYPTO_KHAZAD
	375	tristate "Khazad cipher algorithm"
cce9e06d	376	select CRYPTO_ALGAPI
1da177e4 LT	377	help
	378	Khazad cipher algorithm.
	379
	380	Khazad was a finalist in the initial NESSIE competition. It is
	381	an algorithm optimized for 64-bit processors with good performance
	382	on 32-bit processors. Khazad uses an 128 bit key size.
	383
	384	See also:
	385	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	386
	387	config CRYPTO_ANUBIS
	388	tristate "Anubis cipher algorithm"
cce9e06d	389	select CRYPTO_ALGAPI
1da177e4 LT	390	help
	391	Anubis cipher algorithm.
	392
	393	Anubis is a variable key length cipher which can use keys from
	394	128 bits to 320 bits in length. It was evaluated as a entrant
	395	in the NESSIE competition.
	396
	397	See also:
	398	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	399	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	400
	401
	402	config CRYPTO_DEFLATE
	403	tristate "Deflate compression algorithm"
cce9e06d	404	select CRYPTO_ALGAPI
1da177e4 LT	405	select ZLIB_INFLATE
	406	select ZLIB_DEFLATE
	407	help
	408	This is the Deflate algorithm (RFC1951), specified for use in
	409	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	410
	411	You will most probably want this if using IPSec.
	412
	413	config CRYPTO_MICHAEL_MIC
	414	tristate "Michael MIC keyed digest algorithm"
cce9e06d	415	select CRYPTO_ALGAPI
1da177e4 LT	416	help
	417	Michael MIC is used for message integrity protection in TKIP
	418	(IEEE 802.11i). This algorithm is required for TKIP, but it
	419	should not be used for other purposes because of the weakness
	420	of the algorithm.
	421
	422	config CRYPTO_CRC32C
	423	tristate "CRC32c CRC algorithm"
cce9e06d	424	select CRYPTO_ALGAPI
1da177e4 LT	425	select LIBCRC32C
	426	help
	427	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	428	by iSCSI for header and data digests and by others.
	429	See Castagnoli93. This implementation uses lib/libcrc32c.
	430	Module will be crc32c.
	431
04ac7db3 NT	432	config CRYPTO_CAMELLIA
	433	tristate "Camellia cipher algorithms"
	434	depends on CRYPTO
	435	select CRYPTO_ALGAPI
	436	help
	437	Camellia cipher algorithms module.
	438
	439	Camellia is a symmetric key block cipher developed jointly
	440	at NTT and Mitsubishi Electric Corporation.
	441
	442	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	443
	444	See also:
	445	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	446
1da177e4 LT	447	config CRYPTO_TEST
1da177e4 LT	448	tristate "Testing module"
cce9e06d HX	449	depends on m
cce9e06d HX	450	select CRYPTO_ALGAPI
1da177e4 LT	451	help
	452	Quick & dirty crypto test module.
	453
	454	source "drivers/crypto/Kconfig"
1da177e4	455
cce9e06d HX	456	endif # if CRYPTO
	457
	458	endmenu