[linux-block.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
	default m
	help
	  Create default cryptographic template instantiations such as
	  cbc(aes).

config CRYPTO_HMAC
	tristate "HMAC support"
	select CRYPTO_HASH
	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
	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
	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
	30	default m
	31	help
	32	Create default cryptographic template instantiations such as
	33	cbc(aes).
	34
1da177e4	35	config CRYPTO_HMAC
8425165d	36	tristate "HMAC support"
0796ae06	37	select CRYPTO_HASH
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
	134	default m
	135	help
	136	ECB: Electronic CodeBook mode
	137	This is the simplest block cipher algorithm. It simply encrypts
	138	the input block by block.
	139
	140	config CRYPTO_CBC
	141	tristate "CBC support"
	142	select CRYPTO_BLKCIPHER
	143	default m
	144	help
	145	CBC: Cipher Block Chaining mode
	146	This block cipher algorithm is required for IPSec.
	147
1da177e4 LT	148	config CRYPTO_DES
1da177e4 LT	149	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	150	select CRYPTO_ALGAPI
1da177e4 LT	151	help
	152	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	153
c1e26e1e JG	154	config CRYPTO_DES_S390
c1e26e1e JG	155	tristate "DES and Triple DES cipher algorithms (s390)"
cce9e06d HX	156	depends on S390
cce9e06d HX	157	select CRYPTO_ALGAPI
a9e62fad	158	select CRYPTO_BLKCIPHER
1da177e4 LT	159	help
	160	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	161
	162	config CRYPTO_BLOWFISH
	163	tristate "Blowfish cipher algorithm"
cce9e06d	164	select CRYPTO_ALGAPI
1da177e4 LT	165	help
	166	Blowfish cipher algorithm, by Bruce Schneier.
	167
	168	This is a variable key length cipher which can use keys from 32
	169	bits to 448 bits in length. It's fast, simple and specifically
	170	designed for use on "large microprocessors".
	171
	172	See also:
	173	<http://www.schneier.com/blowfish.html>
	174
	175	config CRYPTO_TWOFISH
	176	tristate "Twofish cipher algorithm"
cce9e06d	177	select CRYPTO_ALGAPI
2729bb42	178	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	179	help
	180	Twofish cipher algorithm.
	181
	182	Twofish was submitted as an AES (Advanced Encryption Standard)
	183	candidate cipher by researchers at CounterPane Systems. It is a
	184	16 round block cipher supporting key sizes of 128, 192, and 256
	185	bits.
	186
	187	See also:
	188	<http://www.schneier.com/twofish.html>
	189
2729bb42 JF	190	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	191	tristate
2729bb42 JF	192	help
	193	Common parts of the Twofish cipher algorithm shared by the
	194	generic c and the assembler implementations.
	195
b9f535ff JF	196	config CRYPTO_TWOFISH_586
b9f535ff JF	197	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	198	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	199	select CRYPTO_ALGAPI
b9f535ff JF	200	select CRYPTO_TWOFISH_COMMON
	201	help
	202	Twofish cipher algorithm.
	203
	204	Twofish was submitted as an AES (Advanced Encryption Standard)
	205	candidate cipher by researchers at CounterPane Systems. It is a
	206	16 round block cipher supporting key sizes of 128, 192, and 256
	207	bits.
	208
	209	See also:
	210	<http://www.schneier.com/twofish.html>
	211
eaf44088 JF	212	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	213	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	214	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	215	select CRYPTO_ALGAPI
eaf44088 JF	216	select CRYPTO_TWOFISH_COMMON
	217	help
	218	Twofish cipher algorithm (x86_64).
	219
	220	Twofish was submitted as an AES (Advanced Encryption Standard)
	221	candidate cipher by researchers at CounterPane Systems. It is a
	222	16 round block cipher supporting key sizes of 128, 192, and 256
	223	bits.
	224
	225	See also:
	226	<http://www.schneier.com/twofish.html>
	227
1da177e4 LT	228	config CRYPTO_SERPENT
1da177e4 LT	229	tristate "Serpent cipher algorithm"
cce9e06d	230	select CRYPTO_ALGAPI
1da177e4 LT	231	help
	232	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	233
	234	Keys are allowed to be from 0 to 256 bits in length, in steps
	235	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
	236	variant of Serpent for compatibility with old kerneli code.
	237
	238	See also:
	239	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	240
	241	config CRYPTO_AES
	242	tristate "AES cipher algorithms"
cce9e06d	243	select CRYPTO_ALGAPI
1da177e4 LT	244	help
	245	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	246	algorithm.
	247
	248	Rijndael appears to be consistently a very good performer in
	249	both hardware and software across a wide range of computing
	250	environments regardless of its use in feedback or non-feedback
	251	modes. Its key setup time is excellent, and its key agility is
	252	good. Rijndael's very low memory requirements make it very well
	253	suited for restricted-space environments, in which it also
	254	demonstrates excellent performance. Rijndael's operations are
	255	among the easiest to defend against power and timing attacks.
	256
	257	The AES specifies three key sizes: 128, 192 and 256 bits
	258
	259	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	260
	261	config CRYPTO_AES_586
	262	tristate "AES cipher algorithms (i586)"
cce9e06d HX	263	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	264	select CRYPTO_ALGAPI
1da177e4 LT	265	help
	266	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	267	algorithm.
	268
	269	Rijndael appears to be consistently a very good performer in
	270	both hardware and software across a wide range of computing
	271	environments regardless of its use in feedback or non-feedback
	272	modes. Its key setup time is excellent, and its key agility is
	273	good. Rijndael's very low memory requirements make it very well
	274	suited for restricted-space environments, in which it also
	275	demonstrates excellent performance. Rijndael's operations are
	276	among the easiest to defend against power and timing attacks.
	277
	278	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	279
	280	See <http://csrc.nist.gov/encryption/aes/> for more information.
	281
	282	config CRYPTO_AES_X86_64
	283	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	284	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	285	select CRYPTO_ALGAPI
a2a892a2 AS	286	help
	287	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	288	algorithm.
	289
	290	Rijndael appears to be consistently a very good performer in
	291	both hardware and software across a wide range of computing
	292	environments regardless of its use in feedback or non-feedback
	293	modes. Its key setup time is excellent, and its key agility is
	294	good. Rijndael's very low memory requirements make it very well
	295	suited for restricted-space environments, in which it also
	296	demonstrates excellent performance. Rijndael's operations are
	297	among the easiest to defend against power and timing attacks.
	298
	299	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	300
	301	See <http://csrc.nist.gov/encryption/aes/> for more information.
	302
bf754ae8 JG	303	config CRYPTO_AES_S390
bf754ae8 JG	304	tristate "AES cipher algorithms (s390)"
cce9e06d HX	305	depends on S390
cce9e06d HX	306	select CRYPTO_ALGAPI
a9e62fad	307	select CRYPTO_BLKCIPHER
bf754ae8 JG	308	help
	309	This is the s390 hardware accelerated implementation of the
	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	On s390 the System z9-109 currently only supports the key size
	323	of 128 bit.
	324
1da177e4 LT	325	config CRYPTO_CAST5
1da177e4 LT	326	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	327	select CRYPTO_ALGAPI
1da177e4 LT	328	help
	329	The CAST5 encryption algorithm (synonymous with CAST-128) is
	330	described in RFC2144.
	331
	332	config CRYPTO_CAST6
	333	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	334	select CRYPTO_ALGAPI
1da177e4 LT	335	help
	336	The CAST6 encryption algorithm (synonymous with CAST-256) is
	337	described in RFC2612.
	338
	339	config CRYPTO_TEA
fb4f10ed	340	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	341	select CRYPTO_ALGAPI
1da177e4 LT	342	help
	343	TEA cipher algorithm.
	344
	345	Tiny Encryption Algorithm is a simple cipher that uses
	346	many rounds for security. It is very fast and uses
	347	little memory.
	348
	349	Xtendend Tiny Encryption Algorithm is a modification to
	350	the TEA algorithm to address a potential key weakness
	351	in the TEA algorithm.
	352
fb4f10ed AG	353	Xtendend Encryption Tiny Algorithm is a mis-implementation
	354	of the XTEA algorithm for compatibility purposes.
	355
1da177e4 LT	356	config CRYPTO_ARC4
1da177e4 LT	357	tristate "ARC4 cipher algorithm"
cce9e06d	358	select CRYPTO_ALGAPI
1da177e4 LT	359	help
	360	ARC4 cipher algorithm.
	361
	362	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	363	bits in length. This algorithm is required for driver-based
	364	WEP, but it should not be for other purposes because of the
	365	weakness of the algorithm.
	366
	367	config CRYPTO_KHAZAD
	368	tristate "Khazad cipher algorithm"
cce9e06d	369	select CRYPTO_ALGAPI
1da177e4 LT	370	help
	371	Khazad cipher algorithm.
	372
	373	Khazad was a finalist in the initial NESSIE competition. It is
	374	an algorithm optimized for 64-bit processors with good performance
	375	on 32-bit processors. Khazad uses an 128 bit key size.
	376
	377	See also:
	378	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	379
	380	config CRYPTO_ANUBIS
	381	tristate "Anubis cipher algorithm"
cce9e06d	382	select CRYPTO_ALGAPI
1da177e4 LT	383	help
	384	Anubis cipher algorithm.
	385
	386	Anubis is a variable key length cipher which can use keys from
	387	128 bits to 320 bits in length. It was evaluated as a entrant
	388	in the NESSIE competition.
	389
	390	See also:
	391	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	392	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	393
	394
	395	config CRYPTO_DEFLATE
	396	tristate "Deflate compression algorithm"
cce9e06d	397	select CRYPTO_ALGAPI
1da177e4 LT	398	select ZLIB_INFLATE
	399	select ZLIB_DEFLATE
	400	help
	401	This is the Deflate algorithm (RFC1951), specified for use in
	402	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	403
	404	You will most probably want this if using IPSec.
	405
	406	config CRYPTO_MICHAEL_MIC
	407	tristate "Michael MIC keyed digest algorithm"
cce9e06d	408	select CRYPTO_ALGAPI
1da177e4 LT	409	help
	410	Michael MIC is used for message integrity protection in TKIP
	411	(IEEE 802.11i). This algorithm is required for TKIP, but it
	412	should not be used for other purposes because of the weakness
	413	of the algorithm.
	414
	415	config CRYPTO_CRC32C
	416	tristate "CRC32c CRC algorithm"
cce9e06d	417	select CRYPTO_ALGAPI
1da177e4 LT	418	select LIBCRC32C
	419	help
	420	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	421	by iSCSI for header and data digests and by others.
	422	See Castagnoli93. This implementation uses lib/libcrc32c.
	423	Module will be crc32c.
	424
	425	config CRYPTO_TEST
	426	tristate "Testing module"
cce9e06d HX	427	depends on m
cce9e06d HX	428	select CRYPTO_ALGAPI
1da177e4 LT	429	help
	430	Quick & dirty crypto test module.
	431
	432	source "drivers/crypto/Kconfig"
1da177e4	433
cce9e06d HX	434	endif # if CRYPTO
	435
	436	endmenu