[mirror_ubuntu-bionic-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
	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_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 LT	35	config CRYPTO_HMAC
1da177e4 LT	36	bool "HMAC support"
1da177e4 LT	37	help
	38	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	39	This is required for IPSec.
	40
	41	config CRYPTO_NULL
	42	tristate "Null algorithms"
cce9e06d	43	select CRYPTO_ALGAPI
1da177e4 LT	44	help
	45	These are 'Null' algorithms, used by IPsec, which do nothing.
	46
	47	config CRYPTO_MD4
	48	tristate "MD4 digest algorithm"
cce9e06d	49	select CRYPTO_ALGAPI
1da177e4 LT	50	help
	51	MD4 message digest algorithm (RFC1320).
	52
	53	config CRYPTO_MD5
	54	tristate "MD5 digest algorithm"
cce9e06d	55	select CRYPTO_ALGAPI
1da177e4 LT	56	help
	57	MD5 message digest algorithm (RFC1321).
	58
	59	config CRYPTO_SHA1
	60	tristate "SHA1 digest algorithm"
cce9e06d	61	select CRYPTO_ALGAPI
1da177e4 LT	62	help
	63	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	64
c1e26e1e JG	65	config CRYPTO_SHA1_S390
c1e26e1e JG	66	tristate "SHA1 digest algorithm (s390)"
cce9e06d HX	67	depends on S390
cce9e06d HX	68	select CRYPTO_ALGAPI
1da177e4	69	help
0a497c17	70	This is the s390 hardware accelerated implementation of the
1da177e4 LT	71	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	72
	73	config CRYPTO_SHA256
	74	tristate "SHA256 digest algorithm"
cce9e06d	75	select CRYPTO_ALGAPI
1da177e4 LT	76	help
	77	SHA256 secure hash standard (DFIPS 180-2).
	78
	79	This version of SHA implements a 256 bit hash with 128 bits of
	80	security against collision attacks.
	81
0a497c17 JG	82	config CRYPTO_SHA256_S390
0a497c17 JG	83	tristate "SHA256 digest algorithm (s390)"
cce9e06d HX	84	depends on S390
cce9e06d HX	85	select CRYPTO_ALGAPI
0a497c17 JG	86	help
	87	This is the s390 hardware accelerated implementation of the
	88	SHA256 secure hash standard (DFIPS 180-2).
	89
	90	This version of SHA implements a 256 bit hash with 128 bits of
	91	security against collision attacks.
	92
1da177e4 LT	93	config CRYPTO_SHA512
1da177e4 LT	94	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	95	select CRYPTO_ALGAPI
1da177e4 LT	96	help
	97	SHA512 secure hash standard (DFIPS 180-2).
	98
	99	This version of SHA implements a 512 bit hash with 256 bits of
	100	security against collision attacks.
	101
	102	This code also includes SHA-384, a 384 bit hash with 192 bits
	103	of security against collision attacks.
	104
	105	config CRYPTO_WP512
	106	tristate "Whirlpool digest algorithms"
cce9e06d	107	select CRYPTO_ALGAPI
1da177e4 LT	108	help
	109	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	110
	111	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	112	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	113
	114	See also:
	115	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	116
	117	config CRYPTO_TGR192
	118	tristate "Tiger digest algorithms"
cce9e06d	119	select CRYPTO_ALGAPI
1da177e4 LT	120	help
	121	Tiger hash algorithm 192, 160 and 128-bit hashes
	122
	123	Tiger is a hash function optimized for 64-bit processors while
	124	still having decent performance on 32-bit processors.
	125	Tiger was developed by Ross Anderson and Eli Biham.
	126
	127	See also:
	128	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	129
db131ef9 HX	130	config CRYPTO_ECB
	131	tristate "ECB support"
	132	select CRYPTO_BLKCIPHER
	133	default m
	134	help
	135	ECB: Electronic CodeBook mode
	136	This is the simplest block cipher algorithm. It simply encrypts
	137	the input block by block.
	138
	139	config CRYPTO_CBC
	140	tristate "CBC support"
	141	select CRYPTO_BLKCIPHER
	142	default m
	143	help
	144	CBC: Cipher Block Chaining mode
	145	This block cipher algorithm is required for IPSec.
	146
1da177e4 LT	147	config CRYPTO_DES
1da177e4 LT	148	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	149	select CRYPTO_ALGAPI
1da177e4 LT	150	help
	151	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	152
c1e26e1e JG	153	config CRYPTO_DES_S390
c1e26e1e JG	154	tristate "DES and Triple DES cipher algorithms (s390)"
cce9e06d HX	155	depends on S390
cce9e06d HX	156	select CRYPTO_ALGAPI
a9e62fad	157	select CRYPTO_BLKCIPHER
1da177e4 LT	158	help
	159	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	160
	161	config CRYPTO_BLOWFISH
	162	tristate "Blowfish cipher algorithm"
cce9e06d	163	select CRYPTO_ALGAPI
1da177e4 LT	164	help
	165	Blowfish cipher algorithm, by Bruce Schneier.
	166
	167	This is a variable key length cipher which can use keys from 32
	168	bits to 448 bits in length. It's fast, simple and specifically
	169	designed for use on "large microprocessors".
	170
	171	See also:
	172	<http://www.schneier.com/blowfish.html>
	173
	174	config CRYPTO_TWOFISH
	175	tristate "Twofish cipher algorithm"
cce9e06d	176	select CRYPTO_ALGAPI
2729bb42	177	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	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
2729bb42 JF	189	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	190	tristate
2729bb42 JF	191	help
	192	Common parts of the Twofish cipher algorithm shared by the
	193	generic c and the assembler implementations.
	194
b9f535ff JF	195	config CRYPTO_TWOFISH_586
b9f535ff JF	196	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	197	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	198	select CRYPTO_ALGAPI
b9f535ff JF	199	select CRYPTO_TWOFISH_COMMON
	200	help
	201	Twofish cipher algorithm.
	202
	203	Twofish was submitted as an AES (Advanced Encryption Standard)
	204	candidate cipher by researchers at CounterPane Systems. It is a
	205	16 round block cipher supporting key sizes of 128, 192, and 256
	206	bits.
	207
	208	See also:
	209	<http://www.schneier.com/twofish.html>
	210
eaf44088 JF	211	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	212	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	213	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	214	select CRYPTO_ALGAPI
eaf44088 JF	215	select CRYPTO_TWOFISH_COMMON
	216	help
	217	Twofish cipher algorithm (x86_64).
	218
	219	Twofish was submitted as an AES (Advanced Encryption Standard)
	220	candidate cipher by researchers at CounterPane Systems. It is a
	221	16 round block cipher supporting key sizes of 128, 192, and 256
	222	bits.
	223
	224	See also:
	225	<http://www.schneier.com/twofish.html>
	226
1da177e4 LT	227	config CRYPTO_SERPENT
1da177e4 LT	228	tristate "Serpent cipher algorithm"
cce9e06d	229	select CRYPTO_ALGAPI
1da177e4 LT	230	help
	231	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	232
	233	Keys are allowed to be from 0 to 256 bits in length, in steps
	234	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
	235	variant of Serpent for compatibility with old kerneli code.
	236
	237	See also:
	238	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	239
	240	config CRYPTO_AES
	241	tristate "AES cipher algorithms"
cce9e06d	242	select CRYPTO_ALGAPI
1da177e4 LT	243	help
	244	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	245	algorithm.
	246
	247	Rijndael appears to be consistently a very good performer in
	248	both hardware and software across a wide range of computing
	249	environments regardless of its use in feedback or non-feedback
	250	modes. Its key setup time is excellent, and its key agility is
	251	good. Rijndael's very low memory requirements make it very well
	252	suited for restricted-space environments, in which it also
	253	demonstrates excellent performance. Rijndael's operations are
	254	among the easiest to defend against power and timing attacks.
	255
	256	The AES specifies three key sizes: 128, 192 and 256 bits
	257
	258	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	259
	260	config CRYPTO_AES_586
	261	tristate "AES cipher algorithms (i586)"
cce9e06d HX	262	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	263	select CRYPTO_ALGAPI
1da177e4 LT	264	help
	265	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	266	algorithm.
	267
	268	Rijndael appears to be consistently a very good performer in
	269	both hardware and software across a wide range of computing
	270	environments regardless of its use in feedback or non-feedback
	271	modes. Its key setup time is excellent, and its key agility is
	272	good. Rijndael's very low memory requirements make it very well
	273	suited for restricted-space environments, in which it also
	274	demonstrates excellent performance. Rijndael's operations are
	275	among the easiest to defend against power and timing attacks.
	276
	277	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	278
	279	See <http://csrc.nist.gov/encryption/aes/> for more information.
	280
	281	config CRYPTO_AES_X86_64
	282	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	283	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	284	select CRYPTO_ALGAPI
a2a892a2 AS	285	help
	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	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	299
	300	See <http://csrc.nist.gov/encryption/aes/> for more information.
	301
bf754ae8 JG	302	config CRYPTO_AES_S390
bf754ae8 JG	303	tristate "AES cipher algorithms (s390)"
cce9e06d HX	304	depends on S390
cce9e06d HX	305	select CRYPTO_ALGAPI
a9e62fad	306	select CRYPTO_BLKCIPHER
bf754ae8 JG	307	help
	308	This is the s390 hardware accelerated implementation of the
	309	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	310	algorithm.
	311
	312	Rijndael appears to be consistently a very good performer in
	313	both hardware and software across a wide range of computing
	314	environments regardless of its use in feedback or non-feedback
	315	modes. Its key setup time is excellent, and its key agility is
	316	good. Rijndael's very low memory requirements make it very well
	317	suited for restricted-space environments, in which it also
	318	demonstrates excellent performance. Rijndael's operations are
	319	among the easiest to defend against power and timing attacks.
	320
	321	On s390 the System z9-109 currently only supports the key size
	322	of 128 bit.
	323
1da177e4 LT	324	config CRYPTO_CAST5
1da177e4 LT	325	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	326	select CRYPTO_ALGAPI
1da177e4 LT	327	help
	328	The CAST5 encryption algorithm (synonymous with CAST-128) is
	329	described in RFC2144.
	330
	331	config CRYPTO_CAST6
	332	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	333	select CRYPTO_ALGAPI
1da177e4 LT	334	help
	335	The CAST6 encryption algorithm (synonymous with CAST-256) is
	336	described in RFC2612.
	337
	338	config CRYPTO_TEA
fb4f10ed	339	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	340	select CRYPTO_ALGAPI
1da177e4 LT	341	help
	342	TEA cipher algorithm.
	343
	344	Tiny Encryption Algorithm is a simple cipher that uses
	345	many rounds for security. It is very fast and uses
	346	little memory.
	347
	348	Xtendend Tiny Encryption Algorithm is a modification to
	349	the TEA algorithm to address a potential key weakness
	350	in the TEA algorithm.
	351
fb4f10ed AG	352	Xtendend Encryption Tiny Algorithm is a mis-implementation
	353	of the XTEA algorithm for compatibility purposes.
	354
1da177e4 LT	355	config CRYPTO_ARC4
1da177e4 LT	356	tristate "ARC4 cipher algorithm"
cce9e06d	357	select CRYPTO_ALGAPI
1da177e4 LT	358	help
	359	ARC4 cipher algorithm.
	360
	361	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	362	bits in length. This algorithm is required for driver-based
	363	WEP, but it should not be for other purposes because of the
	364	weakness of the algorithm.
	365
	366	config CRYPTO_KHAZAD
	367	tristate "Khazad cipher algorithm"
cce9e06d	368	select CRYPTO_ALGAPI
1da177e4 LT	369	help
	370	Khazad cipher algorithm.
	371
	372	Khazad was a finalist in the initial NESSIE competition. It is
	373	an algorithm optimized for 64-bit processors with good performance
	374	on 32-bit processors. Khazad uses an 128 bit key size.
	375
	376	See also:
	377	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	378
	379	config CRYPTO_ANUBIS
	380	tristate "Anubis cipher algorithm"
cce9e06d	381	select CRYPTO_ALGAPI
1da177e4 LT	382	help
	383	Anubis cipher algorithm.
	384
	385	Anubis is a variable key length cipher which can use keys from
	386	128 bits to 320 bits in length. It was evaluated as a entrant
	387	in the NESSIE competition.
	388
	389	See also:
	390	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	391	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	392
	393
	394	config CRYPTO_DEFLATE
	395	tristate "Deflate compression algorithm"
cce9e06d	396	select CRYPTO_ALGAPI
1da177e4 LT	397	select ZLIB_INFLATE
	398	select ZLIB_DEFLATE
	399	help
	400	This is the Deflate algorithm (RFC1951), specified for use in
	401	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	402
	403	You will most probably want this if using IPSec.
	404
	405	config CRYPTO_MICHAEL_MIC
	406	tristate "Michael MIC keyed digest algorithm"
cce9e06d	407	select CRYPTO_ALGAPI
1da177e4 LT	408	help
	409	Michael MIC is used for message integrity protection in TKIP
	410	(IEEE 802.11i). This algorithm is required for TKIP, but it
	411	should not be used for other purposes because of the weakness
	412	of the algorithm.
	413
	414	config CRYPTO_CRC32C
	415	tristate "CRC32c CRC algorithm"
cce9e06d	416	select CRYPTO_ALGAPI
1da177e4 LT	417	select LIBCRC32C
	418	help
	419	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	420	by iSCSI for header and data digests and by others.
	421	See Castagnoli93. This implementation uses lib/libcrc32c.
	422	Module will be crc32c.
	423
	424	config CRYPTO_TEST
	425	tristate "Testing module"
cce9e06d HX	426	depends on m
cce9e06d HX	427	select CRYPTO_ALGAPI
1da177e4 LT	428	help
	429	Quick & dirty crypto test module.
	430
	431	source "drivers/crypto/Kconfig"
1da177e4	432
cce9e06d HX	433	endif # if CRYPTO
	434
	435	endmenu