[deliverable/linux.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
#
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	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	#
1da177e4 LT	15	menu "Cryptographic options"
	16
	17	config CRYPTO
	18	bool "Cryptographic API"
	19	help
	20	This option provides the core Cryptographic API.
	21
cce9e06d HX	22	if CRYPTO
	23
	24	config CRYPTO_ALGAPI
	25	tristate
	26	help
	27	This option provides the API for cryptographic algorithms.
	28
b5b7f088 HX	29	config CRYPTO_ABLKCIPHER
	30	tristate
	31	select CRYPTO_BLKCIPHER
	32
5cde0af2 HX	33	config CRYPTO_BLKCIPHER
	34	tristate
	35	select CRYPTO_ALGAPI
	36
055bcee3 HX	37	config CRYPTO_HASH
	38	tristate
	39	select CRYPTO_ALGAPI
	40
2b8c19db HX	41	config CRYPTO_MANAGER
	42	tristate "Cryptographic algorithm manager"
	43	select CRYPTO_ALGAPI
2b8c19db HX	44	help
	45	Create default cryptographic template instantiations such as
	46	cbc(aes).
	47
1da177e4	48	config CRYPTO_HMAC
8425165d	49	tristate "HMAC support"
0796ae06	50	select CRYPTO_HASH
43518407	51	select CRYPTO_MANAGER
1da177e4 LT	52	help
	53	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	54	This is required for IPSec.
	55
333b0d7e KM	56	config CRYPTO_XCBC
	57	tristate "XCBC support"
	58	depends on EXPERIMENTAL
	59	select CRYPTO_HASH
	60	select CRYPTO_MANAGER
	61	help
	62	XCBC: Keyed-Hashing with encryption algorithm
	63	http://www.ietf.org/rfc/rfc3566.txt
	64	http://csrc.nist.gov/encryption/modes/proposedmodes/
	65	xcbc-mac/xcbc-mac-spec.pdf
	66
1da177e4 LT	67	config CRYPTO_NULL
1da177e4 LT	68	tristate "Null algorithms"
cce9e06d	69	select CRYPTO_ALGAPI
1da177e4 LT	70	help
	71	These are 'Null' algorithms, used by IPsec, which do nothing.
	72
	73	config CRYPTO_MD4
	74	tristate "MD4 digest algorithm"
cce9e06d	75	select CRYPTO_ALGAPI
1da177e4 LT	76	help
	77	MD4 message digest algorithm (RFC1320).
	78
	79	config CRYPTO_MD5
	80	tristate "MD5 digest algorithm"
cce9e06d	81	select CRYPTO_ALGAPI
1da177e4 LT	82	help
	83	MD5 message digest algorithm (RFC1321).
	84
	85	config CRYPTO_SHA1
	86	tristate "SHA1 digest algorithm"
cce9e06d	87	select CRYPTO_ALGAPI
1da177e4 LT	88	help
	89	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	90
1da177e4 LT	91	config CRYPTO_SHA256
1da177e4 LT	92	tristate "SHA256 digest algorithm"
cce9e06d	93	select CRYPTO_ALGAPI
1da177e4 LT	94	help
	95	SHA256 secure hash standard (DFIPS 180-2).
	96
	97	This version of SHA implements a 256 bit hash with 128 bits of
	98	security against collision attacks.
	99
	100	config CRYPTO_SHA512
	101	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	102	select CRYPTO_ALGAPI
1da177e4 LT	103	help
	104	SHA512 secure hash standard (DFIPS 180-2).
	105
	106	This version of SHA implements a 512 bit hash with 256 bits of
	107	security against collision attacks.
	108
	109	This code also includes SHA-384, a 384 bit hash with 192 bits
	110	of security against collision attacks.
	111
	112	config CRYPTO_WP512
	113	tristate "Whirlpool digest algorithms"
cce9e06d	114	select CRYPTO_ALGAPI
1da177e4 LT	115	help
	116	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	117
	118	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	119	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	120
	121	See also:
	122	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	123
	124	config CRYPTO_TGR192
	125	tristate "Tiger digest algorithms"
cce9e06d	126	select CRYPTO_ALGAPI
1da177e4 LT	127	help
	128	Tiger hash algorithm 192, 160 and 128-bit hashes
	129
	130	Tiger is a hash function optimized for 64-bit processors while
	131	still having decent performance on 32-bit processors.
	132	Tiger was developed by Ross Anderson and Eli Biham.
	133
	134	See also:
	135	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	136
c494e070 RS	137	config CRYPTO_GF128MUL
	138	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	139	depends on EXPERIMENTAL
	140	help
	141	Efficient table driven implementation of multiplications in the
	142	field GF(2^128). This is needed by some cypher modes. This
	143	option will be selected automatically if you select such a
	144	cipher mode. Only select this option by hand if you expect to load
	145	an external module that requires these functions.
	146
db131ef9 HX	147	config CRYPTO_ECB
	148	tristate "ECB support"
	149	select CRYPTO_BLKCIPHER
43518407	150	select CRYPTO_MANAGER
db131ef9 HX	151	default m
	152	help
	153	ECB: Electronic CodeBook mode
	154	This is the simplest block cipher algorithm. It simply encrypts
	155	the input block by block.
	156
	157	config CRYPTO_CBC
	158	tristate "CBC support"
	159	select CRYPTO_BLKCIPHER
43518407	160	select CRYPTO_MANAGER
db131ef9 HX	161	default m
	162	help
	163	CBC: Cipher Block Chaining mode
	164	This block cipher algorithm is required for IPSec.
	165
91652be5 DH	166	config CRYPTO_PCBC
	167	tristate "PCBC support"
	168	select CRYPTO_BLKCIPHER
	169	select CRYPTO_MANAGER
	170	default m
	171	help
	172	PCBC: Propagating Cipher Block Chaining mode
	173	This block cipher algorithm is required for RxRPC.
	174
64470f1b RS	175	config CRYPTO_LRW
	176	tristate "LRW support (EXPERIMENTAL)"
	177	depends on EXPERIMENTAL
	178	select CRYPTO_BLKCIPHER
	179	select CRYPTO_MANAGER
	180	select CRYPTO_GF128MUL
	181	help
	182	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	183	narrow block cipher mode for dm-crypt. Use it with cipher
	184	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	185	The first 128, 192 or 256 bits in the key are used for AES and the
	186	rest is used to tie each cipher block to its logical position.
	187
124b53d0 HX	188	config CRYPTO_CRYPTD
	189	tristate "Software async crypto daemon"
	190	select CRYPTO_ABLKCIPHER
	191	select CRYPTO_MANAGER
	192	help
	193	This is a generic software asynchronous crypto daemon that
	194	converts an arbitrary synchronous software crypto algorithm
	195	into an asynchronous algorithm that executes in a kernel thread.
	196
1da177e4 LT	197	config CRYPTO_DES
1da177e4 LT	198	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	199	select CRYPTO_ALGAPI
1da177e4 LT	200	help
	201	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	202
90831639 DH	203	config CRYPTO_FCRYPT
	204	tristate "FCrypt cipher algorithm"
	205	select CRYPTO_ALGAPI
	206	select CRYPTO_BLKCIPHER
	207	help
	208	FCrypt algorithm used by RxRPC.
	209
1da177e4 LT	210	config CRYPTO_BLOWFISH
1da177e4 LT	211	tristate "Blowfish cipher algorithm"
cce9e06d	212	select CRYPTO_ALGAPI
1da177e4 LT	213	help
	214	Blowfish cipher algorithm, by Bruce Schneier.
	215
	216	This is a variable key length cipher which can use keys from 32
	217	bits to 448 bits in length. It's fast, simple and specifically
	218	designed for use on "large microprocessors".
	219
	220	See also:
	221	<http://www.schneier.com/blowfish.html>
	222
	223	config CRYPTO_TWOFISH
	224	tristate "Twofish cipher algorithm"
cce9e06d	225	select CRYPTO_ALGAPI
2729bb42	226	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	227	help
	228	Twofish cipher algorithm.
	229
	230	Twofish was submitted as an AES (Advanced Encryption Standard)
	231	candidate cipher by researchers at CounterPane Systems. It is a
	232	16 round block cipher supporting key sizes of 128, 192, and 256
	233	bits.
	234
	235	See also:
	236	<http://www.schneier.com/twofish.html>
	237
2729bb42 JF	238	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	239	tristate
2729bb42 JF	240	help
	241	Common parts of the Twofish cipher algorithm shared by the
	242	generic c and the assembler implementations.
	243
b9f535ff JF	244	config CRYPTO_TWOFISH_586
b9f535ff JF	245	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	246	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	247	select CRYPTO_ALGAPI
b9f535ff JF	248	select CRYPTO_TWOFISH_COMMON
	249	help
	250	Twofish cipher algorithm.
	251
	252	Twofish was submitted as an AES (Advanced Encryption Standard)
	253	candidate cipher by researchers at CounterPane Systems. It is a
	254	16 round block cipher supporting key sizes of 128, 192, and 256
	255	bits.
	256
	257	See also:
	258	<http://www.schneier.com/twofish.html>
	259
eaf44088 JF	260	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	261	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	262	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	263	select CRYPTO_ALGAPI
eaf44088 JF	264	select CRYPTO_TWOFISH_COMMON
	265	help
	266	Twofish cipher algorithm (x86_64).
	267
	268	Twofish was submitted as an AES (Advanced Encryption Standard)
	269	candidate cipher by researchers at CounterPane Systems. It is a
	270	16 round block cipher supporting key sizes of 128, 192, and 256
	271	bits.
	272
	273	See also:
	274	<http://www.schneier.com/twofish.html>
	275
1da177e4 LT	276	config CRYPTO_SERPENT
1da177e4 LT	277	tristate "Serpent cipher algorithm"
cce9e06d	278	select CRYPTO_ALGAPI
1da177e4 LT	279	help
	280	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	281
	282	Keys are allowed to be from 0 to 256 bits in length, in steps
	283	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	284	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	285
	286	See also:
	287	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	288
	289	config CRYPTO_AES
	290	tristate "AES cipher algorithms"
cce9e06d	291	select CRYPTO_ALGAPI
1da177e4 LT	292	help
	293	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	294	algorithm.
	295
	296	Rijndael appears to be consistently a very good performer in
	297	both hardware and software across a wide range of computing
	298	environments regardless of its use in feedback or non-feedback
	299	modes. Its key setup time is excellent, and its key agility is
	300	good. Rijndael's very low memory requirements make it very well
	301	suited for restricted-space environments, in which it also
	302	demonstrates excellent performance. Rijndael's operations are
	303	among the easiest to defend against power and timing attacks.
	304
	305	The AES specifies three key sizes: 128, 192 and 256 bits
	306
	307	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	308
	309	config CRYPTO_AES_586
	310	tristate "AES cipher algorithms (i586)"
cce9e06d HX	311	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	312	select CRYPTO_ALGAPI
1da177e4 LT	313	help
	314	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	315	algorithm.
	316
	317	Rijndael appears to be consistently a very good performer in
	318	both hardware and software across a wide range of computing
	319	environments regardless of its use in feedback or non-feedback
	320	modes. Its key setup time is excellent, and its key agility is
	321	good. Rijndael's very low memory requirements make it very well
	322	suited for restricted-space environments, in which it also
	323	demonstrates excellent performance. Rijndael's operations are
	324	among the easiest to defend against power and timing attacks.
	325
	326	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	327
	328	See <http://csrc.nist.gov/encryption/aes/> for more information.
	329
	330	config CRYPTO_AES_X86_64
	331	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	332	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	333	select CRYPTO_ALGAPI
a2a892a2 AS	334	help
	335	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	336	algorithm.
	337
	338	Rijndael appears to be consistently a very good performer in
	339	both hardware and software across a wide range of computing
	340	environments regardless of its use in feedback or non-feedback
	341	modes. Its key setup time is excellent, and its key agility is
	342	good. Rijndael's very low memory requirements make it very well
	343	suited for restricted-space environments, in which it also
	344	demonstrates excellent performance. Rijndael's operations are
	345	among the easiest to defend against power and timing attacks.
	346
	347	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	348
	349	See <http://csrc.nist.gov/encryption/aes/> for more information.
	350
	351	config CRYPTO_CAST5
	352	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	353	select CRYPTO_ALGAPI
1da177e4 LT	354	help
	355	The CAST5 encryption algorithm (synonymous with CAST-128) is
	356	described in RFC2144.
	357
	358	config CRYPTO_CAST6
	359	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	360	select CRYPTO_ALGAPI
1da177e4 LT	361	help
	362	The CAST6 encryption algorithm (synonymous with CAST-256) is
	363	described in RFC2612.
	364
	365	config CRYPTO_TEA
fb4f10ed	366	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	367	select CRYPTO_ALGAPI
1da177e4 LT	368	help
	369	TEA cipher algorithm.
	370
	371	Tiny Encryption Algorithm is a simple cipher that uses
	372	many rounds for security. It is very fast and uses
	373	little memory.
	374
	375	Xtendend Tiny Encryption Algorithm is a modification to
	376	the TEA algorithm to address a potential key weakness
	377	in the TEA algorithm.
	378
fb4f10ed AG	379	Xtendend Encryption Tiny Algorithm is a mis-implementation
	380	of the XTEA algorithm for compatibility purposes.
	381
1da177e4 LT	382	config CRYPTO_ARC4
1da177e4 LT	383	tristate "ARC4 cipher algorithm"
cce9e06d	384	select CRYPTO_ALGAPI
1da177e4 LT	385	help
	386	ARC4 cipher algorithm.
	387
	388	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	389	bits in length. This algorithm is required for driver-based
	390	WEP, but it should not be for other purposes because of the
	391	weakness of the algorithm.
	392
	393	config CRYPTO_KHAZAD
	394	tristate "Khazad cipher algorithm"
cce9e06d	395	select CRYPTO_ALGAPI
1da177e4 LT	396	help
	397	Khazad cipher algorithm.
	398
	399	Khazad was a finalist in the initial NESSIE competition. It is
	400	an algorithm optimized for 64-bit processors with good performance
	401	on 32-bit processors. Khazad uses an 128 bit key size.
	402
	403	See also:
	404	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	405
	406	config CRYPTO_ANUBIS
	407	tristate "Anubis cipher algorithm"
cce9e06d	408	select CRYPTO_ALGAPI
1da177e4 LT	409	help
	410	Anubis cipher algorithm.
	411
	412	Anubis is a variable key length cipher which can use keys from
	413	128 bits to 320 bits in length. It was evaluated as a entrant
	414	in the NESSIE competition.
	415
	416	See also:
	417	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	418	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	419
	420
	421	config CRYPTO_DEFLATE
	422	tristate "Deflate compression algorithm"
cce9e06d	423	select CRYPTO_ALGAPI
1da177e4 LT	424	select ZLIB_INFLATE
	425	select ZLIB_DEFLATE
	426	help
	427	This is the Deflate algorithm (RFC1951), specified for use in
	428	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	429
	430	You will most probably want this if using IPSec.
	431
	432	config CRYPTO_MICHAEL_MIC
	433	tristate "Michael MIC keyed digest algorithm"
cce9e06d	434	select CRYPTO_ALGAPI
1da177e4 LT	435	help
	436	Michael MIC is used for message integrity protection in TKIP
	437	(IEEE 802.11i). This algorithm is required for TKIP, but it
	438	should not be used for other purposes because of the weakness
	439	of the algorithm.
	440
	441	config CRYPTO_CRC32C
	442	tristate "CRC32c CRC algorithm"
cce9e06d	443	select CRYPTO_ALGAPI
1da177e4 LT	444	select LIBCRC32C
	445	help
	446	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	447	by iSCSI for header and data digests and by others.
	448	See Castagnoli93. This implementation uses lib/libcrc32c.
	449	Module will be crc32c.
	450
04ac7db3 NT	451	config CRYPTO_CAMELLIA
	452	tristate "Camellia cipher algorithms"
	453	depends on CRYPTO
	454	select CRYPTO_ALGAPI
	455	help
	456	Camellia cipher algorithms module.
	457
	458	Camellia is a symmetric key block cipher developed jointly
	459	at NTT and Mitsubishi Electric Corporation.
	460
	461	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	462
	463	See also:
	464	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	465
1da177e4 LT	466	config CRYPTO_TEST
1da177e4 LT	467	tristate "Testing module"
cce9e06d HX	468	depends on m
cce9e06d HX	469	select CRYPTO_ALGAPI
1da177e4 LT	470	help
	471	Quick & dirty crypto test module.
	472
	473	source "drivers/crypto/Kconfig"
1da177e4	474
cce9e06d HX	475	endif # if CRYPTO
	476
	477	endmenu