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

#
# Generic algorithms support
#
config XOR_BLOCKS
	tristate

#
# 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_CRYPTD
	tristate "Software async crypto daemon"
	select CRYPTO_ABLKCIPHER
	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
	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
685784aa DW	1	#
	2	# Generic algorithms support
	3	#
	4	config XOR_BLOCKS
	5	tristate
	6
1da177e4 LT	7	#
	8	# Cryptographic API Configuration
	9	#
	10
	11	menu "Cryptographic options"
	12
	13	config CRYPTO
	14	bool "Cryptographic API"
	15	help
	16	This option provides the core Cryptographic API.
	17
cce9e06d HX	18	if CRYPTO
	19
	20	config CRYPTO_ALGAPI
	21	tristate
	22	help
	23	This option provides the API for cryptographic algorithms.
	24
b5b7f088 HX	25	config CRYPTO_ABLKCIPHER
	26	tristate
	27	select CRYPTO_BLKCIPHER
	28
5cde0af2 HX	29	config CRYPTO_BLKCIPHER
	30	tristate
	31	select CRYPTO_ALGAPI
	32
055bcee3 HX	33	config CRYPTO_HASH
	34	tristate
	35	select CRYPTO_ALGAPI
	36
2b8c19db HX	37	config CRYPTO_MANAGER
	38	tristate "Cryptographic algorithm manager"
	39	select CRYPTO_ALGAPI
2b8c19db HX	40	help
	41	Create default cryptographic template instantiations such as
	42	cbc(aes).
	43
1da177e4	44	config CRYPTO_HMAC
8425165d	45	tristate "HMAC support"
0796ae06	46	select CRYPTO_HASH
43518407	47	select CRYPTO_MANAGER
1da177e4 LT	48	help
	49	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	50	This is required for IPSec.
	51
333b0d7e KM	52	config CRYPTO_XCBC
	53	tristate "XCBC support"
	54	depends on EXPERIMENTAL
	55	select CRYPTO_HASH
	56	select CRYPTO_MANAGER
	57	help
	58	XCBC: Keyed-Hashing with encryption algorithm
	59	http://www.ietf.org/rfc/rfc3566.txt
	60	http://csrc.nist.gov/encryption/modes/proposedmodes/
	61	xcbc-mac/xcbc-mac-spec.pdf
	62
1da177e4 LT	63	config CRYPTO_NULL
1da177e4 LT	64	tristate "Null algorithms"
cce9e06d	65	select CRYPTO_ALGAPI
1da177e4 LT	66	help
	67	These are 'Null' algorithms, used by IPsec, which do nothing.
	68
	69	config CRYPTO_MD4
	70	tristate "MD4 digest algorithm"
cce9e06d	71	select CRYPTO_ALGAPI
1da177e4 LT	72	help
	73	MD4 message digest algorithm (RFC1320).
	74
	75	config CRYPTO_MD5
	76	tristate "MD5 digest algorithm"
cce9e06d	77	select CRYPTO_ALGAPI
1da177e4 LT	78	help
	79	MD5 message digest algorithm (RFC1321).
	80
	81	config CRYPTO_SHA1
	82	tristate "SHA1 digest algorithm"
cce9e06d	83	select CRYPTO_ALGAPI
1da177e4 LT	84	help
	85	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	86
1da177e4 LT	87	config CRYPTO_SHA256
1da177e4 LT	88	tristate "SHA256 digest algorithm"
cce9e06d	89	select CRYPTO_ALGAPI
1da177e4 LT	90	help
	91	SHA256 secure hash standard (DFIPS 180-2).
	92
	93	This version of SHA implements a 256 bit hash with 128 bits of
	94	security against collision attacks.
	95
	96	config CRYPTO_SHA512
	97	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	98	select CRYPTO_ALGAPI
1da177e4 LT	99	help
	100	SHA512 secure hash standard (DFIPS 180-2).
	101
	102	This version of SHA implements a 512 bit hash with 256 bits of
	103	security against collision attacks.
	104
	105	This code also includes SHA-384, a 384 bit hash with 192 bits
	106	of security against collision attacks.
	107
	108	config CRYPTO_WP512
	109	tristate "Whirlpool digest algorithms"
cce9e06d	110	select CRYPTO_ALGAPI
1da177e4 LT	111	help
	112	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	113
	114	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	115	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	116
	117	See also:
	118	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	119
	120	config CRYPTO_TGR192
	121	tristate "Tiger digest algorithms"
cce9e06d	122	select CRYPTO_ALGAPI
1da177e4 LT	123	help
	124	Tiger hash algorithm 192, 160 and 128-bit hashes
	125
	126	Tiger is a hash function optimized for 64-bit processors while
	127	still having decent performance on 32-bit processors.
	128	Tiger was developed by Ross Anderson and Eli Biham.
	129
	130	See also:
	131	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	132
c494e070 RS	133	config CRYPTO_GF128MUL
	134	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	135	depends on EXPERIMENTAL
	136	help
	137	Efficient table driven implementation of multiplications in the
	138	field GF(2^128). This is needed by some cypher modes. This
	139	option will be selected automatically if you select such a
	140	cipher mode. Only select this option by hand if you expect to load
	141	an external module that requires these functions.
	142
db131ef9 HX	143	config CRYPTO_ECB
	144	tristate "ECB support"
	145	select CRYPTO_BLKCIPHER
43518407	146	select CRYPTO_MANAGER
db131ef9 HX	147	default m
	148	help
	149	ECB: Electronic CodeBook mode
	150	This is the simplest block cipher algorithm. It simply encrypts
	151	the input block by block.
	152
	153	config CRYPTO_CBC
	154	tristate "CBC support"
	155	select CRYPTO_BLKCIPHER
43518407	156	select CRYPTO_MANAGER
db131ef9 HX	157	default m
	158	help
	159	CBC: Cipher Block Chaining mode
	160	This block cipher algorithm is required for IPSec.
	161
91652be5 DH	162	config CRYPTO_PCBC
	163	tristate "PCBC support"
	164	select CRYPTO_BLKCIPHER
	165	select CRYPTO_MANAGER
	166	default m
	167	help
	168	PCBC: Propagating Cipher Block Chaining mode
	169	This block cipher algorithm is required for RxRPC.
	170
64470f1b RS	171	config CRYPTO_LRW
	172	tristate "LRW support (EXPERIMENTAL)"
	173	depends on EXPERIMENTAL
	174	select CRYPTO_BLKCIPHER
	175	select CRYPTO_MANAGER
	176	select CRYPTO_GF128MUL
	177	help
	178	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	179	narrow block cipher mode for dm-crypt. Use it with cipher
	180	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	181	The first 128, 192 or 256 bits in the key are used for AES and the
	182	rest is used to tie each cipher block to its logical position.
	183
124b53d0 HX	184	config CRYPTO_CRYPTD
	185	tristate "Software async crypto daemon"
	186	select CRYPTO_ABLKCIPHER
	187	select CRYPTO_MANAGER
	188	help
	189	This is a generic software asynchronous crypto daemon that
	190	converts an arbitrary synchronous software crypto algorithm
	191	into an asynchronous algorithm that executes in a kernel thread.
	192
1da177e4 LT	193	config CRYPTO_DES
1da177e4 LT	194	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	195	select CRYPTO_ALGAPI
1da177e4 LT	196	help
	197	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	198
90831639 DH	199	config CRYPTO_FCRYPT
	200	tristate "FCrypt cipher algorithm"
	201	select CRYPTO_ALGAPI
	202	select CRYPTO_BLKCIPHER
	203	help
	204	FCrypt algorithm used by RxRPC.
	205
1da177e4 LT	206	config CRYPTO_BLOWFISH
1da177e4 LT	207	tristate "Blowfish cipher algorithm"
cce9e06d	208	select CRYPTO_ALGAPI
1da177e4 LT	209	help
	210	Blowfish cipher algorithm, by Bruce Schneier.
	211
	212	This is a variable key length cipher which can use keys from 32
	213	bits to 448 bits in length. It's fast, simple and specifically
	214	designed for use on "large microprocessors".
	215
	216	See also:
	217	<http://www.schneier.com/blowfish.html>
	218
	219	config CRYPTO_TWOFISH
	220	tristate "Twofish cipher algorithm"
cce9e06d	221	select CRYPTO_ALGAPI
2729bb42	222	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	223	help
	224	Twofish cipher algorithm.
	225
	226	Twofish was submitted as an AES (Advanced Encryption Standard)
	227	candidate cipher by researchers at CounterPane Systems. It is a
	228	16 round block cipher supporting key sizes of 128, 192, and 256
	229	bits.
	230
	231	See also:
	232	<http://www.schneier.com/twofish.html>
	233
2729bb42 JF	234	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	235	tristate
2729bb42 JF	236	help
	237	Common parts of the Twofish cipher algorithm shared by the
	238	generic c and the assembler implementations.
	239
b9f535ff JF	240	config CRYPTO_TWOFISH_586
b9f535ff JF	241	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	242	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	243	select CRYPTO_ALGAPI
b9f535ff JF	244	select CRYPTO_TWOFISH_COMMON
	245	help
	246	Twofish cipher algorithm.
	247
	248	Twofish was submitted as an AES (Advanced Encryption Standard)
	249	candidate cipher by researchers at CounterPane Systems. It is a
	250	16 round block cipher supporting key sizes of 128, 192, and 256
	251	bits.
	252
	253	See also:
	254	<http://www.schneier.com/twofish.html>
	255
eaf44088 JF	256	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	257	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	258	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	259	select CRYPTO_ALGAPI
eaf44088 JF	260	select CRYPTO_TWOFISH_COMMON
	261	help
	262	Twofish cipher algorithm (x86_64).
	263
	264	Twofish was submitted as an AES (Advanced Encryption Standard)
	265	candidate cipher by researchers at CounterPane Systems. It is a
	266	16 round block cipher supporting key sizes of 128, 192, and 256
	267	bits.
	268
	269	See also:
	270	<http://www.schneier.com/twofish.html>
	271
1da177e4 LT	272	config CRYPTO_SERPENT
1da177e4 LT	273	tristate "Serpent cipher algorithm"
cce9e06d	274	select CRYPTO_ALGAPI
1da177e4 LT	275	help
	276	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	277
	278	Keys are allowed to be from 0 to 256 bits in length, in steps
	279	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	280	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	281
	282	See also:
	283	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	284
	285	config CRYPTO_AES
	286	tristate "AES cipher algorithms"
cce9e06d	287	select CRYPTO_ALGAPI
1da177e4 LT	288	help
	289	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	290	algorithm.
	291
	292	Rijndael appears to be consistently a very good performer in
	293	both hardware and software across a wide range of computing
	294	environments regardless of its use in feedback or non-feedback
	295	modes. Its key setup time is excellent, and its key agility is
	296	good. Rijndael's very low memory requirements make it very well
	297	suited for restricted-space environments, in which it also
	298	demonstrates excellent performance. Rijndael's operations are
	299	among the easiest to defend against power and timing attacks.
	300
	301	The AES specifies three key sizes: 128, 192 and 256 bits
	302
	303	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	304
	305	config CRYPTO_AES_586
	306	tristate "AES cipher algorithms (i586)"
cce9e06d HX	307	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	308	select CRYPTO_ALGAPI
1da177e4 LT	309	help
	310	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	311	algorithm.
	312
	313	Rijndael appears to be consistently a very good performer in
	314	both hardware and software across a wide range of computing
	315	environments regardless of its use in feedback or non-feedback
	316	modes. Its key setup time is excellent, and its key agility is
	317	good. Rijndael's very low memory requirements make it very well
	318	suited for restricted-space environments, in which it also
	319	demonstrates excellent performance. Rijndael's operations are
	320	among the easiest to defend against power and timing attacks.
	321
	322	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	323
	324	See <http://csrc.nist.gov/encryption/aes/> for more information.
	325
	326	config CRYPTO_AES_X86_64
	327	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	328	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	329	select CRYPTO_ALGAPI
a2a892a2 AS	330	help
	331	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	332	algorithm.
	333
	334	Rijndael appears to be consistently a very good performer in
	335	both hardware and software across a wide range of computing
	336	environments regardless of its use in feedback or non-feedback
	337	modes. Its key setup time is excellent, and its key agility is
	338	good. Rijndael's very low memory requirements make it very well
	339	suited for restricted-space environments, in which it also
	340	demonstrates excellent performance. Rijndael's operations are
	341	among the easiest to defend against power and timing attacks.
	342
	343	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	344
	345	See <http://csrc.nist.gov/encryption/aes/> for more information.
	346
	347	config CRYPTO_CAST5
	348	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	349	select CRYPTO_ALGAPI
1da177e4 LT	350	help
	351	The CAST5 encryption algorithm (synonymous with CAST-128) is
	352	described in RFC2144.
	353
	354	config CRYPTO_CAST6
	355	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	356	select CRYPTO_ALGAPI
1da177e4 LT	357	help
	358	The CAST6 encryption algorithm (synonymous with CAST-256) is
	359	described in RFC2612.
	360
	361	config CRYPTO_TEA
fb4f10ed	362	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	363	select CRYPTO_ALGAPI
1da177e4 LT	364	help
	365	TEA cipher algorithm.
	366
	367	Tiny Encryption Algorithm is a simple cipher that uses
	368	many rounds for security. It is very fast and uses
	369	little memory.
	370
	371	Xtendend Tiny Encryption Algorithm is a modification to
	372	the TEA algorithm to address a potential key weakness
	373	in the TEA algorithm.
	374
fb4f10ed AG	375	Xtendend Encryption Tiny Algorithm is a mis-implementation
	376	of the XTEA algorithm for compatibility purposes.
	377
1da177e4 LT	378	config CRYPTO_ARC4
1da177e4 LT	379	tristate "ARC4 cipher algorithm"
cce9e06d	380	select CRYPTO_ALGAPI
1da177e4 LT	381	help
	382	ARC4 cipher algorithm.
	383
	384	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	385	bits in length. This algorithm is required for driver-based
	386	WEP, but it should not be for other purposes because of the
	387	weakness of the algorithm.
	388
	389	config CRYPTO_KHAZAD
	390	tristate "Khazad cipher algorithm"
cce9e06d	391	select CRYPTO_ALGAPI
1da177e4 LT	392	help
	393	Khazad cipher algorithm.
	394
	395	Khazad was a finalist in the initial NESSIE competition. It is
	396	an algorithm optimized for 64-bit processors with good performance
	397	on 32-bit processors. Khazad uses an 128 bit key size.
	398
	399	See also:
	400	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	401
	402	config CRYPTO_ANUBIS
	403	tristate "Anubis cipher algorithm"
cce9e06d	404	select CRYPTO_ALGAPI
1da177e4 LT	405	help
	406	Anubis cipher algorithm.
	407
	408	Anubis is a variable key length cipher which can use keys from
	409	128 bits to 320 bits in length. It was evaluated as a entrant
	410	in the NESSIE competition.
	411
	412	See also:
	413	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	414	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	415
	416
	417	config CRYPTO_DEFLATE
	418	tristate "Deflate compression algorithm"
cce9e06d	419	select CRYPTO_ALGAPI
1da177e4 LT	420	select ZLIB_INFLATE
	421	select ZLIB_DEFLATE
	422	help
	423	This is the Deflate algorithm (RFC1951), specified for use in
	424	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	425
	426	You will most probably want this if using IPSec.
	427
	428	config CRYPTO_MICHAEL_MIC
	429	tristate "Michael MIC keyed digest algorithm"
cce9e06d	430	select CRYPTO_ALGAPI
1da177e4 LT	431	help
	432	Michael MIC is used for message integrity protection in TKIP
	433	(IEEE 802.11i). This algorithm is required for TKIP, but it
	434	should not be used for other purposes because of the weakness
	435	of the algorithm.
	436
	437	config CRYPTO_CRC32C
	438	tristate "CRC32c CRC algorithm"
cce9e06d	439	select CRYPTO_ALGAPI
1da177e4 LT	440	select LIBCRC32C
	441	help
	442	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	443	by iSCSI for header and data digests and by others.
	444	See Castagnoli93. This implementation uses lib/libcrc32c.
	445	Module will be crc32c.
	446
04ac7db3 NT	447	config CRYPTO_CAMELLIA
	448	tristate "Camellia cipher algorithms"
	449	depends on CRYPTO
	450	select CRYPTO_ALGAPI
	451	help
	452	Camellia cipher algorithms module.
	453
	454	Camellia is a symmetric key block cipher developed jointly
	455	at NTT and Mitsubishi Electric Corporation.
	456
	457	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	458
	459	See also:
	460	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	461
1da177e4 LT	462	config CRYPTO_TEST
1da177e4 LT	463	tristate "Testing module"
cce9e06d HX	464	depends on m
cce9e06d HX	465	select CRYPTO_ALGAPI
1da177e4 LT	466	help
	467	Quick & dirty crypto test module.
	468
	469	source "drivers/crypto/Kconfig"
1da177e4	470
cce9e06d HX	471	endif # if CRYPTO
	472
	473	endmenu