[GitHub/mt8127/android_kernel_alcatel_ttab.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_MANAGER
	tristate "Cryptographic algorithm manager"
	select CRYPTO_ALGAPI
	default m
	help
	  Create default cryptographic template instantiations such as
	  cbc(aes).

config CRYPTO_HMAC
	bool "HMAC support"
	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_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
	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
	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
2b8c19db HX	23	config CRYPTO_MANAGER
	24	tristate "Cryptographic algorithm manager"
	25	select CRYPTO_ALGAPI
	26	default m
	27	help
	28	Create default cryptographic template instantiations such as
	29	cbc(aes).
	30
1da177e4 LT	31	config CRYPTO_HMAC
1da177e4 LT	32	bool "HMAC support"
1da177e4 LT	33	help
	34	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	35	This is required for IPSec.
	36
	37	config CRYPTO_NULL
	38	tristate "Null algorithms"
cce9e06d	39	select CRYPTO_ALGAPI
1da177e4 LT	40	help
	41	These are 'Null' algorithms, used by IPsec, which do nothing.
	42
	43	config CRYPTO_MD4
	44	tristate "MD4 digest algorithm"
cce9e06d	45	select CRYPTO_ALGAPI
1da177e4 LT	46	help
	47	MD4 message digest algorithm (RFC1320).
	48
	49	config CRYPTO_MD5
	50	tristate "MD5 digest algorithm"
cce9e06d	51	select CRYPTO_ALGAPI
1da177e4 LT	52	help
	53	MD5 message digest algorithm (RFC1321).
	54
	55	config CRYPTO_SHA1
	56	tristate "SHA1 digest algorithm"
cce9e06d	57	select CRYPTO_ALGAPI
1da177e4 LT	58	help
	59	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	60
c1e26e1e JG	61	config CRYPTO_SHA1_S390
c1e26e1e JG	62	tristate "SHA1 digest algorithm (s390)"
cce9e06d HX	63	depends on S390
cce9e06d HX	64	select CRYPTO_ALGAPI
1da177e4	65	help
0a497c17	66	This is the s390 hardware accelerated implementation of the
1da177e4 LT	67	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	68
	69	config CRYPTO_SHA256
	70	tristate "SHA256 digest algorithm"
cce9e06d	71	select CRYPTO_ALGAPI
1da177e4 LT	72	help
	73	SHA256 secure hash standard (DFIPS 180-2).
	74
	75	This version of SHA implements a 256 bit hash with 128 bits of
	76	security against collision attacks.
	77
0a497c17 JG	78	config CRYPTO_SHA256_S390
0a497c17 JG	79	tristate "SHA256 digest algorithm (s390)"
cce9e06d HX	80	depends on S390
cce9e06d HX	81	select CRYPTO_ALGAPI
0a497c17 JG	82	help
	83	This is the s390 hardware accelerated implementation of the
	84	SHA256 secure hash standard (DFIPS 180-2).
	85
	86	This version of SHA implements a 256 bit hash with 128 bits of
	87	security against collision attacks.
	88
1da177e4 LT	89	config CRYPTO_SHA512
1da177e4 LT	90	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	91	select CRYPTO_ALGAPI
1da177e4 LT	92	help
	93	SHA512 secure hash standard (DFIPS 180-2).
	94
	95	This version of SHA implements a 512 bit hash with 256 bits of
	96	security against collision attacks.
	97
	98	This code also includes SHA-384, a 384 bit hash with 192 bits
	99	of security against collision attacks.
	100
	101	config CRYPTO_WP512
	102	tristate "Whirlpool digest algorithms"
cce9e06d	103	select CRYPTO_ALGAPI
1da177e4 LT	104	help
	105	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	106
	107	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	108	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	109
	110	See also:
	111	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	112
	113	config CRYPTO_TGR192
	114	tristate "Tiger digest algorithms"
cce9e06d	115	select CRYPTO_ALGAPI
1da177e4 LT	116	help
	117	Tiger hash algorithm 192, 160 and 128-bit hashes
	118
	119	Tiger is a hash function optimized for 64-bit processors while
	120	still having decent performance on 32-bit processors.
	121	Tiger was developed by Ross Anderson and Eli Biham.
	122
	123	See also:
	124	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	125
	126	config CRYPTO_DES
	127	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	128	select CRYPTO_ALGAPI
1da177e4 LT	129	help
	130	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	131
c1e26e1e JG	132	config CRYPTO_DES_S390
c1e26e1e JG	133	tristate "DES and Triple DES cipher algorithms (s390)"
cce9e06d HX	134	depends on S390
cce9e06d HX	135	select CRYPTO_ALGAPI
1da177e4 LT	136	help
	137	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	138
	139	config CRYPTO_BLOWFISH
	140	tristate "Blowfish cipher algorithm"
cce9e06d	141	select CRYPTO_ALGAPI
1da177e4 LT	142	help
	143	Blowfish cipher algorithm, by Bruce Schneier.
	144
	145	This is a variable key length cipher which can use keys from 32
	146	bits to 448 bits in length. It's fast, simple and specifically
	147	designed for use on "large microprocessors".
	148
	149	See also:
	150	<http://www.schneier.com/blowfish.html>
	151
	152	config CRYPTO_TWOFISH
	153	tristate "Twofish cipher algorithm"
cce9e06d	154	select CRYPTO_ALGAPI
2729bb42	155	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	156	help
	157	Twofish cipher algorithm.
	158
	159	Twofish was submitted as an AES (Advanced Encryption Standard)
	160	candidate cipher by researchers at CounterPane Systems. It is a
	161	16 round block cipher supporting key sizes of 128, 192, and 256
	162	bits.
	163
	164	See also:
	165	<http://www.schneier.com/twofish.html>
	166
2729bb42 JF	167	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	168	tristate
2729bb42 JF	169	help
	170	Common parts of the Twofish cipher algorithm shared by the
	171	generic c and the assembler implementations.
	172
b9f535ff JF	173	config CRYPTO_TWOFISH_586
b9f535ff JF	174	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	175	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	176	select CRYPTO_ALGAPI
b9f535ff JF	177	select CRYPTO_TWOFISH_COMMON
	178	help
	179	Twofish cipher algorithm.
	180
	181	Twofish was submitted as an AES (Advanced Encryption Standard)
	182	candidate cipher by researchers at CounterPane Systems. It is a
	183	16 round block cipher supporting key sizes of 128, 192, and 256
	184	bits.
	185
	186	See also:
	187	<http://www.schneier.com/twofish.html>
	188
eaf44088 JF	189	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	190	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	191	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	192	select CRYPTO_ALGAPI
eaf44088 JF	193	select CRYPTO_TWOFISH_COMMON
	194	help
	195	Twofish cipher algorithm (x86_64).
	196
	197	Twofish was submitted as an AES (Advanced Encryption Standard)
	198	candidate cipher by researchers at CounterPane Systems. It is a
	199	16 round block cipher supporting key sizes of 128, 192, and 256
	200	bits.
	201
	202	See also:
	203	<http://www.schneier.com/twofish.html>
	204
1da177e4 LT	205	config CRYPTO_SERPENT
1da177e4 LT	206	tristate "Serpent cipher algorithm"
cce9e06d	207	select CRYPTO_ALGAPI
1da177e4 LT	208	help
	209	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	210
	211	Keys are allowed to be from 0 to 256 bits in length, in steps
	212	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
	213	variant of Serpent for compatibility with old kerneli code.
	214
	215	See also:
	216	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	217
	218	config CRYPTO_AES
	219	tristate "AES cipher algorithms"
cce9e06d	220	select CRYPTO_ALGAPI
1da177e4 LT	221	help
	222	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	223	algorithm.
	224
	225	Rijndael appears to be consistently a very good performer in
	226	both hardware and software across a wide range of computing
	227	environments regardless of its use in feedback or non-feedback
	228	modes. Its key setup time is excellent, and its key agility is
	229	good. Rijndael's very low memory requirements make it very well
	230	suited for restricted-space environments, in which it also
	231	demonstrates excellent performance. Rijndael's operations are
	232	among the easiest to defend against power and timing attacks.
	233
	234	The AES specifies three key sizes: 128, 192 and 256 bits
	235
	236	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	237
	238	config CRYPTO_AES_586
	239	tristate "AES cipher algorithms (i586)"
cce9e06d HX	240	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	241	select CRYPTO_ALGAPI
1da177e4 LT	242	help
	243	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	244	algorithm.
	245
	246	Rijndael appears to be consistently a very good performer in
	247	both hardware and software across a wide range of computing
	248	environments regardless of its use in feedback or non-feedback
	249	modes. Its key setup time is excellent, and its key agility is
	250	good. Rijndael's very low memory requirements make it very well
	251	suited for restricted-space environments, in which it also
	252	demonstrates excellent performance. Rijndael's operations are
	253	among the easiest to defend against power and timing attacks.
	254
	255	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	256
	257	See <http://csrc.nist.gov/encryption/aes/> for more information.
	258
	259	config CRYPTO_AES_X86_64
	260	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	261	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	262	select CRYPTO_ALGAPI
a2a892a2 AS	263	help
	264	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	265	algorithm.
	266
	267	Rijndael appears to be consistently a very good performer in
	268	both hardware and software across a wide range of computing
	269	environments regardless of its use in feedback or non-feedback
	270	modes. Its key setup time is excellent, and its key agility is
	271	good. Rijndael's very low memory requirements make it very well
	272	suited for restricted-space environments, in which it also
	273	demonstrates excellent performance. Rijndael's operations are
	274	among the easiest to defend against power and timing attacks.
	275
	276	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	277
	278	See <http://csrc.nist.gov/encryption/aes/> for more information.
	279
bf754ae8 JG	280	config CRYPTO_AES_S390
bf754ae8 JG	281	tristate "AES cipher algorithms (s390)"
cce9e06d HX	282	depends on S390
cce9e06d HX	283	select CRYPTO_ALGAPI
bf754ae8 JG	284	help
	285	This is the s390 hardware accelerated implementation of the
	286	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	287	algorithm.
	288
	289	Rijndael appears to be consistently a very good performer in
	290	both hardware and software across a wide range of computing
	291	environments regardless of its use in feedback or non-feedback
	292	modes. Its key setup time is excellent, and its key agility is
	293	good. Rijndael's very low memory requirements make it very well
	294	suited for restricted-space environments, in which it also
	295	demonstrates excellent performance. Rijndael's operations are
	296	among the easiest to defend against power and timing attacks.
	297
	298	On s390 the System z9-109 currently only supports the key size
	299	of 128 bit.
	300
1da177e4 LT	301	config CRYPTO_CAST5
1da177e4 LT	302	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	303	select CRYPTO_ALGAPI
1da177e4 LT	304	help
	305	The CAST5 encryption algorithm (synonymous with CAST-128) is
	306	described in RFC2144.
	307
	308	config CRYPTO_CAST6
	309	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	310	select CRYPTO_ALGAPI
1da177e4 LT	311	help
	312	The CAST6 encryption algorithm (synonymous with CAST-256) is
	313	described in RFC2612.
	314
	315	config CRYPTO_TEA
fb4f10ed	316	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	317	select CRYPTO_ALGAPI
1da177e4 LT	318	help
	319	TEA cipher algorithm.
	320
	321	Tiny Encryption Algorithm is a simple cipher that uses
	322	many rounds for security. It is very fast and uses
	323	little memory.
	324
	325	Xtendend Tiny Encryption Algorithm is a modification to
	326	the TEA algorithm to address a potential key weakness
	327	in the TEA algorithm.
	328
fb4f10ed AG	329	Xtendend Encryption Tiny Algorithm is a mis-implementation
	330	of the XTEA algorithm for compatibility purposes.
	331
1da177e4 LT	332	config CRYPTO_ARC4
1da177e4 LT	333	tristate "ARC4 cipher algorithm"
cce9e06d	334	select CRYPTO_ALGAPI
1da177e4 LT	335	help
	336	ARC4 cipher algorithm.
	337
	338	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	339	bits in length. This algorithm is required for driver-based
	340	WEP, but it should not be for other purposes because of the
	341	weakness of the algorithm.
	342
	343	config CRYPTO_KHAZAD
	344	tristate "Khazad cipher algorithm"
cce9e06d	345	select CRYPTO_ALGAPI
1da177e4 LT	346	help
	347	Khazad cipher algorithm.
	348
	349	Khazad was a finalist in the initial NESSIE competition. It is
	350	an algorithm optimized for 64-bit processors with good performance
	351	on 32-bit processors. Khazad uses an 128 bit key size.
	352
	353	See also:
	354	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	355
	356	config CRYPTO_ANUBIS
	357	tristate "Anubis cipher algorithm"
cce9e06d	358	select CRYPTO_ALGAPI
1da177e4 LT	359	help
	360	Anubis cipher algorithm.
	361
	362	Anubis is a variable key length cipher which can use keys from
	363	128 bits to 320 bits in length. It was evaluated as a entrant
	364	in the NESSIE competition.
	365
	366	See also:
	367	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	368	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	369
	370
	371	config CRYPTO_DEFLATE
	372	tristate "Deflate compression algorithm"
cce9e06d	373	select CRYPTO_ALGAPI
1da177e4 LT	374	select ZLIB_INFLATE
	375	select ZLIB_DEFLATE
	376	help
	377	This is the Deflate algorithm (RFC1951), specified for use in
	378	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	379
	380	You will most probably want this if using IPSec.
	381
	382	config CRYPTO_MICHAEL_MIC
	383	tristate "Michael MIC keyed digest algorithm"
cce9e06d	384	select CRYPTO_ALGAPI
1da177e4 LT	385	help
	386	Michael MIC is used for message integrity protection in TKIP
	387	(IEEE 802.11i). This algorithm is required for TKIP, but it
	388	should not be used for other purposes because of the weakness
	389	of the algorithm.
	390
	391	config CRYPTO_CRC32C
	392	tristate "CRC32c CRC algorithm"
cce9e06d	393	select CRYPTO_ALGAPI
1da177e4 LT	394	select LIBCRC32C
	395	help
	396	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	397	by iSCSI for header and data digests and by others.
	398	See Castagnoli93. This implementation uses lib/libcrc32c.
	399	Module will be crc32c.
	400
	401	config CRYPTO_TEST
	402	tristate "Testing module"
cce9e06d HX	403	depends on m
cce9e06d HX	404	select CRYPTO_ALGAPI
1da177e4 LT	405	help
	406	Quick & dirty crypto test module.
	407
	408	source "drivers/crypto/Kconfig"
1da177e4	409
cce9e06d HX	410	endif # if CRYPTO
	411
	412	endmenu