[mirror_ubuntu-zesty-kernel.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_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_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_SHA1_S390
	tristate "SHA1 digest algorithm (s390)"
	depends on S390
	select CRYPTO_ALGAPI
	help
	  This is the s390 hardware accelerated implementation of the
	  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_SHA256_S390
	tristate "SHA256 digest algorithm (s390)"
	depends on S390
	select CRYPTO_ALGAPI
	help
	  This is the s390 hardware accelerated implementation of the
	  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_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_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_DES_S390
	tristate "DES and Triple DES cipher algorithms (s390)"
	depends on S390
	select CRYPTO_ALGAPI
	select CRYPTO_BLKCIPHER
	help
	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).

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_AES_S390
	tristate "AES cipher algorithms (s390)"
	depends on S390
	select CRYPTO_ALGAPI
	select CRYPTO_BLKCIPHER
	help
	  This is the s390 hardware accelerated implementation of the
	  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.

	  On s390 the System z9-109 currently only supports the key size
	  of 128 bit.

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_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
5cde0af2 HX	19	config CRYPTO_BLKCIPHER
	20	tristate
	21	select CRYPTO_ALGAPI
	22
055bcee3 HX	23	config CRYPTO_HASH
	24	tristate
	25	select CRYPTO_ALGAPI
	26
2b8c19db HX	27	config CRYPTO_MANAGER
	28	tristate "Cryptographic algorithm manager"
	29	select CRYPTO_ALGAPI
2b8c19db HX	30	help
	31	Create default cryptographic template instantiations such as
	32	cbc(aes).
	33
1da177e4	34	config CRYPTO_HMAC
8425165d	35	tristate "HMAC support"
0796ae06	36	select CRYPTO_HASH
43518407	37	select CRYPTO_MANAGER
1da177e4 LT	38	help
	39	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	40	This is required for IPSec.
	41
	42	config CRYPTO_NULL
	43	tristate "Null algorithms"
cce9e06d	44	select CRYPTO_ALGAPI
1da177e4 LT	45	help
	46	These are 'Null' algorithms, used by IPsec, which do nothing.
	47
	48	config CRYPTO_MD4
	49	tristate "MD4 digest algorithm"
cce9e06d	50	select CRYPTO_ALGAPI
1da177e4 LT	51	help
	52	MD4 message digest algorithm (RFC1320).
	53
	54	config CRYPTO_MD5
	55	tristate "MD5 digest algorithm"
cce9e06d	56	select CRYPTO_ALGAPI
1da177e4 LT	57	help
	58	MD5 message digest algorithm (RFC1321).
	59
	60	config CRYPTO_SHA1
	61	tristate "SHA1 digest algorithm"
cce9e06d	62	select CRYPTO_ALGAPI
1da177e4 LT	63	help
	64	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	65
c1e26e1e JG	66	config CRYPTO_SHA1_S390
c1e26e1e JG	67	tristate "SHA1 digest algorithm (s390)"
cce9e06d HX	68	depends on S390
cce9e06d HX	69	select CRYPTO_ALGAPI
1da177e4	70	help
0a497c17	71	This is the s390 hardware accelerated implementation of the
1da177e4 LT	72	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	73
	74	config CRYPTO_SHA256
	75	tristate "SHA256 digest algorithm"
cce9e06d	76	select CRYPTO_ALGAPI
1da177e4 LT	77	help
	78	SHA256 secure hash standard (DFIPS 180-2).
	79
	80	This version of SHA implements a 256 bit hash with 128 bits of
	81	security against collision attacks.
	82
0a497c17 JG	83	config CRYPTO_SHA256_S390
0a497c17 JG	84	tristate "SHA256 digest algorithm (s390)"
cce9e06d HX	85	depends on S390
cce9e06d HX	86	select CRYPTO_ALGAPI
0a497c17 JG	87	help
	88	This is the s390 hardware accelerated implementation of the
	89	SHA256 secure hash standard (DFIPS 180-2).
	90
	91	This version of SHA implements a 256 bit hash with 128 bits of
	92	security against collision attacks.
	93
1da177e4 LT	94	config CRYPTO_SHA512
1da177e4 LT	95	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	96	select CRYPTO_ALGAPI
1da177e4 LT	97	help
	98	SHA512 secure hash standard (DFIPS 180-2).
	99
	100	This version of SHA implements a 512 bit hash with 256 bits of
	101	security against collision attacks.
	102
	103	This code also includes SHA-384, a 384 bit hash with 192 bits
	104	of security against collision attacks.
	105
	106	config CRYPTO_WP512
	107	tristate "Whirlpool digest algorithms"
cce9e06d	108	select CRYPTO_ALGAPI
1da177e4 LT	109	help
	110	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	111
	112	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	113	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	114
	115	See also:
	116	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	117
	118	config CRYPTO_TGR192
	119	tristate "Tiger digest algorithms"
cce9e06d	120	select CRYPTO_ALGAPI
1da177e4 LT	121	help
	122	Tiger hash algorithm 192, 160 and 128-bit hashes
	123
	124	Tiger is a hash function optimized for 64-bit processors while
	125	still having decent performance on 32-bit processors.
	126	Tiger was developed by Ross Anderson and Eli Biham.
	127
	128	See also:
	129	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	130
db131ef9 HX	131	config CRYPTO_ECB
	132	tristate "ECB support"
	133	select CRYPTO_BLKCIPHER
43518407	134	select CRYPTO_MANAGER
db131ef9 HX	135	default m
	136	help
	137	ECB: Electronic CodeBook mode
	138	This is the simplest block cipher algorithm. It simply encrypts
	139	the input block by block.
	140
	141	config CRYPTO_CBC
	142	tristate "CBC support"
	143	select CRYPTO_BLKCIPHER
43518407	144	select CRYPTO_MANAGER
db131ef9 HX	145	default m
	146	help
	147	CBC: Cipher Block Chaining mode
	148	This block cipher algorithm is required for IPSec.
	149
1da177e4 LT	150	config CRYPTO_DES
1da177e4 LT	151	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	152	select CRYPTO_ALGAPI
1da177e4 LT	153	help
	154	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	155
c1e26e1e JG	156	config CRYPTO_DES_S390
c1e26e1e JG	157	tristate "DES and Triple DES cipher algorithms (s390)"
cce9e06d HX	158	depends on S390
cce9e06d HX	159	select CRYPTO_ALGAPI
a9e62fad	160	select CRYPTO_BLKCIPHER
1da177e4 LT	161	help
	162	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	163
	164	config CRYPTO_BLOWFISH
	165	tristate "Blowfish cipher algorithm"
cce9e06d	166	select CRYPTO_ALGAPI
1da177e4 LT	167	help
	168	Blowfish cipher algorithm, by Bruce Schneier.
	169
	170	This is a variable key length cipher which can use keys from 32
	171	bits to 448 bits in length. It's fast, simple and specifically
	172	designed for use on "large microprocessors".
	173
	174	See also:
	175	<http://www.schneier.com/blowfish.html>
	176
	177	config CRYPTO_TWOFISH
	178	tristate "Twofish cipher algorithm"
cce9e06d	179	select CRYPTO_ALGAPI
2729bb42	180	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	181	help
	182	Twofish cipher algorithm.
	183
	184	Twofish was submitted as an AES (Advanced Encryption Standard)
	185	candidate cipher by researchers at CounterPane Systems. It is a
	186	16 round block cipher supporting key sizes of 128, 192, and 256
	187	bits.
	188
	189	See also:
	190	<http://www.schneier.com/twofish.html>
	191
2729bb42 JF	192	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	193	tristate
2729bb42 JF	194	help
	195	Common parts of the Twofish cipher algorithm shared by the
	196	generic c and the assembler implementations.
	197
b9f535ff JF	198	config CRYPTO_TWOFISH_586
b9f535ff JF	199	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	200	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	201	select CRYPTO_ALGAPI
b9f535ff JF	202	select CRYPTO_TWOFISH_COMMON
	203	help
	204	Twofish cipher algorithm.
	205
	206	Twofish was submitted as an AES (Advanced Encryption Standard)
	207	candidate cipher by researchers at CounterPane Systems. It is a
	208	16 round block cipher supporting key sizes of 128, 192, and 256
	209	bits.
	210
	211	See also:
	212	<http://www.schneier.com/twofish.html>
	213
eaf44088 JF	214	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	215	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	216	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	217	select CRYPTO_ALGAPI
eaf44088 JF	218	select CRYPTO_TWOFISH_COMMON
	219	help
	220	Twofish cipher algorithm (x86_64).
	221
	222	Twofish was submitted as an AES (Advanced Encryption Standard)
	223	candidate cipher by researchers at CounterPane Systems. It is a
	224	16 round block cipher supporting key sizes of 128, 192, and 256
	225	bits.
	226
	227	See also:
	228	<http://www.schneier.com/twofish.html>
	229
1da177e4 LT	230	config CRYPTO_SERPENT
1da177e4 LT	231	tristate "Serpent cipher algorithm"
cce9e06d	232	select CRYPTO_ALGAPI
1da177e4 LT	233	help
	234	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	235
	236	Keys are allowed to be from 0 to 256 bits in length, in steps
	237	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
	238	variant of Serpent for compatibility with old kerneli code.
	239
	240	See also:
	241	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	242
	243	config CRYPTO_AES
	244	tristate "AES cipher algorithms"
cce9e06d	245	select CRYPTO_ALGAPI
1da177e4 LT	246	help
	247	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	248	algorithm.
	249
	250	Rijndael appears to be consistently a very good performer in
	251	both hardware and software across a wide range of computing
	252	environments regardless of its use in feedback or non-feedback
	253	modes. Its key setup time is excellent, and its key agility is
	254	good. Rijndael's very low memory requirements make it very well
	255	suited for restricted-space environments, in which it also
	256	demonstrates excellent performance. Rijndael's operations are
	257	among the easiest to defend against power and timing attacks.
	258
	259	The AES specifies three key sizes: 128, 192 and 256 bits
	260
	261	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	262
	263	config CRYPTO_AES_586
	264	tristate "AES cipher algorithms (i586)"
cce9e06d HX	265	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	266	select CRYPTO_ALGAPI
1da177e4 LT	267	help
	268	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	269	algorithm.
	270
	271	Rijndael appears to be consistently a very good performer in
	272	both hardware and software across a wide range of computing
	273	environments regardless of its use in feedback or non-feedback
	274	modes. Its key setup time is excellent, and its key agility is
	275	good. Rijndael's very low memory requirements make it very well
	276	suited for restricted-space environments, in which it also
	277	demonstrates excellent performance. Rijndael's operations are
	278	among the easiest to defend against power and timing attacks.
	279
	280	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	281
	282	See <http://csrc.nist.gov/encryption/aes/> for more information.
	283
	284	config CRYPTO_AES_X86_64
	285	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	286	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	287	select CRYPTO_ALGAPI
a2a892a2 AS	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
1da177e4 LT	302
	303	See <http://csrc.nist.gov/encryption/aes/> for more information.
	304
bf754ae8 JG	305	config CRYPTO_AES_S390
bf754ae8 JG	306	tristate "AES cipher algorithms (s390)"
cce9e06d HX	307	depends on S390
cce9e06d HX	308	select CRYPTO_ALGAPI
a9e62fad	309	select CRYPTO_BLKCIPHER
bf754ae8 JG	310	help
	311	This is the s390 hardware accelerated implementation of the
	312	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	313	algorithm.
	314
	315	Rijndael appears to be consistently a very good performer in
	316	both hardware and software across a wide range of computing
	317	environments regardless of its use in feedback or non-feedback
	318	modes. Its key setup time is excellent, and its key agility is
	319	good. Rijndael's very low memory requirements make it very well
	320	suited for restricted-space environments, in which it also
	321	demonstrates excellent performance. Rijndael's operations are
	322	among the easiest to defend against power and timing attacks.
	323
	324	On s390 the System z9-109 currently only supports the key size
	325	of 128 bit.
	326
1da177e4 LT	327	config CRYPTO_CAST5
1da177e4 LT	328	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	329	select CRYPTO_ALGAPI
1da177e4 LT	330	help
	331	The CAST5 encryption algorithm (synonymous with CAST-128) is
	332	described in RFC2144.
	333
	334	config CRYPTO_CAST6
	335	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	336	select CRYPTO_ALGAPI
1da177e4 LT	337	help
	338	The CAST6 encryption algorithm (synonymous with CAST-256) is
	339	described in RFC2612.
	340
	341	config CRYPTO_TEA
fb4f10ed	342	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	343	select CRYPTO_ALGAPI
1da177e4 LT	344	help
	345	TEA cipher algorithm.
	346
	347	Tiny Encryption Algorithm is a simple cipher that uses
	348	many rounds for security. It is very fast and uses
	349	little memory.
	350
	351	Xtendend Tiny Encryption Algorithm is a modification to
	352	the TEA algorithm to address a potential key weakness
	353	in the TEA algorithm.
	354
fb4f10ed AG	355	Xtendend Encryption Tiny Algorithm is a mis-implementation
	356	of the XTEA algorithm for compatibility purposes.
	357
1da177e4 LT	358	config CRYPTO_ARC4
1da177e4 LT	359	tristate "ARC4 cipher algorithm"
cce9e06d	360	select CRYPTO_ALGAPI
1da177e4 LT	361	help
	362	ARC4 cipher algorithm.
	363
	364	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	365	bits in length. This algorithm is required for driver-based
	366	WEP, but it should not be for other purposes because of the
	367	weakness of the algorithm.
	368
	369	config CRYPTO_KHAZAD
	370	tristate "Khazad cipher algorithm"
cce9e06d	371	select CRYPTO_ALGAPI
1da177e4 LT	372	help
	373	Khazad cipher algorithm.
	374
	375	Khazad was a finalist in the initial NESSIE competition. It is
	376	an algorithm optimized for 64-bit processors with good performance
	377	on 32-bit processors. Khazad uses an 128 bit key size.
	378
	379	See also:
	380	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	381
	382	config CRYPTO_ANUBIS
	383	tristate "Anubis cipher algorithm"
cce9e06d	384	select CRYPTO_ALGAPI
1da177e4 LT	385	help
	386	Anubis cipher algorithm.
	387
	388	Anubis is a variable key length cipher which can use keys from
	389	128 bits to 320 bits in length. It was evaluated as a entrant
	390	in the NESSIE competition.
	391
	392	See also:
	393	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	394	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	395
	396
	397	config CRYPTO_DEFLATE
	398	tristate "Deflate compression algorithm"
cce9e06d	399	select CRYPTO_ALGAPI
1da177e4 LT	400	select ZLIB_INFLATE
	401	select ZLIB_DEFLATE
	402	help
	403	This is the Deflate algorithm (RFC1951), specified for use in
	404	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	405
	406	You will most probably want this if using IPSec.
	407
	408	config CRYPTO_MICHAEL_MIC
	409	tristate "Michael MIC keyed digest algorithm"
cce9e06d	410	select CRYPTO_ALGAPI
1da177e4 LT	411	help
	412	Michael MIC is used for message integrity protection in TKIP
	413	(IEEE 802.11i). This algorithm is required for TKIP, but it
	414	should not be used for other purposes because of the weakness
	415	of the algorithm.
	416
	417	config CRYPTO_CRC32C
	418	tristate "CRC32c CRC algorithm"
cce9e06d	419	select CRYPTO_ALGAPI
1da177e4 LT	420	select LIBCRC32C
	421	help
	422	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	423	by iSCSI for header and data digests and by others.
	424	See Castagnoli93. This implementation uses lib/libcrc32c.
	425	Module will be crc32c.
	426
	427	config CRYPTO_TEST
	428	tristate "Testing module"
cce9e06d HX	429	depends on m
cce9e06d HX	430	select CRYPTO_ALGAPI
1da177e4 LT	431	help
	432	Quick & dirty crypto test module.
	433
	434	source "drivers/crypto/Kconfig"
1da177e4	435
cce9e06d HX	436	endif # if CRYPTO
	437
	438	endmenu