[linux-block.git] / crypto / Kconfig

#
# Generic algorithms support
#
config XOR_BLOCKS
	tristate

#
# async_tx api: hardware offloaded memory transfer/transform support
#
source "crypto/async_tx/Kconfig"

#
# Cryptographic API Configuration
#
menuconfig CRYPTO
	bool "Cryptographic API"
	help
	  This option provides the core Cryptographic API.

if CRYPTO

config CRYPTO_ALGAPI
	tristate
	help
	  This option provides the API for cryptographic algorithms.

config CRYPTO_ABLKCIPHER
	tristate
	select CRYPTO_BLKCIPHER

config CRYPTO_BLKCIPHER
	tristate
	select CRYPTO_ALGAPI

config CRYPTO_HASH
	tristate
	select CRYPTO_ALGAPI

config CRYPTO_MANAGER
	tristate "Cryptographic algorithm manager"
	select CRYPTO_ALGAPI
	help
	  Create default cryptographic template instantiations such as
	  cbc(aes).

config CRYPTO_HMAC
	tristate "HMAC support"
	select CRYPTO_HASH
	select CRYPTO_MANAGER
	help
	  HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	  This is required for IPSec.

config CRYPTO_XCBC
	tristate "XCBC support"
	depends on EXPERIMENTAL
	select CRYPTO_HASH
	select CRYPTO_MANAGER
	help
	  XCBC: Keyed-Hashing with encryption algorithm
		http://www.ietf.org/rfc/rfc3566.txt
		http://csrc.nist.gov/encryption/modes/proposedmodes/
		 xcbc-mac/xcbc-mac-spec.pdf

config CRYPTO_NULL
	tristate "Null algorithms"
	select CRYPTO_ALGAPI
	help
	  These are 'Null' algorithms, used by IPsec, which do nothing.

config CRYPTO_MD4
	tristate "MD4 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  MD4 message digest algorithm (RFC1320).

config CRYPTO_MD5
	tristate "MD5 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  MD5 message digest algorithm (RFC1321).

config CRYPTO_SHA1
	tristate "SHA1 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).

config CRYPTO_SHA256
	tristate "SHA256 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  SHA256 secure hash standard (DFIPS 180-2).
	  
	  This version of SHA implements a 256 bit hash with 128 bits of
	  security against collision attacks.

config CRYPTO_SHA512
	tristate "SHA384 and SHA512 digest algorithms"
	select CRYPTO_ALGAPI
	help
	  SHA512 secure hash standard (DFIPS 180-2).
	  
	  This version of SHA implements a 512 bit hash with 256 bits of
	  security against collision attacks.

	  This code also includes SHA-384, a 384 bit hash with 192 bits
	  of security against collision attacks.

config CRYPTO_WP512
	tristate "Whirlpool digest algorithms"
	select CRYPTO_ALGAPI
	help
	  Whirlpool hash algorithm 512, 384 and 256-bit hashes

	  Whirlpool-512 is part of the NESSIE cryptographic primitives.
	  Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard

	  See also:
	  <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>

config CRYPTO_TGR192
	tristate "Tiger digest algorithms"
	select CRYPTO_ALGAPI
	help
	  Tiger hash algorithm 192, 160 and 128-bit hashes

	  Tiger is a hash function optimized for 64-bit processors while
	  still having decent performance on 32-bit processors.
	  Tiger was developed by Ross Anderson and Eli Biham.

	  See also:
	  <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.

config CRYPTO_GF128MUL
	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	help
	  Efficient table driven implementation of multiplications in the
	  field GF(2^128).  This is needed by some cypher modes. This
	  option will be selected automatically if you select such a
	  cipher mode.  Only select this option by hand if you expect to load
	  an external module that requires these functions.

config CRYPTO_ECB
	tristate "ECB support"
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	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
	help
	  CBC: Cipher Block Chaining mode
	  This block cipher algorithm is required for IPSec.

config CRYPTO_PCBC
	tristate "PCBC support"
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	help
	  PCBC: Propagating Cipher Block Chaining mode
	  This block cipher algorithm is required for RxRPC.

config CRYPTO_LRW
	tristate "LRW support (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	select CRYPTO_GF128MUL
	help
	  LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	  narrow block cipher mode for dm-crypt.  Use it with cipher
	  specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	  The first 128, 192 or 256 bits in the key are used for AES and the
	  rest is used to tie each cipher block to its logical position.

config CRYPTO_CRYPTD
	tristate "Software async crypto daemon"
	select CRYPTO_ABLKCIPHER
	select CRYPTO_MANAGER
	help
	  This is a generic software asynchronous crypto daemon that
	  converts an arbitrary synchronous software crypto algorithm
	  into an asynchronous algorithm that executes in a kernel thread.

config CRYPTO_DES
	tristate "DES and Triple DES EDE cipher algorithms"
	select CRYPTO_ALGAPI
	help
	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).

config CRYPTO_FCRYPT
	tristate "FCrypt cipher algorithm"
	select CRYPTO_ALGAPI
	select CRYPTO_BLKCIPHER
	help
	  FCrypt algorithm used by RxRPC.

config CRYPTO_BLOWFISH
	tristate "Blowfish cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Blowfish cipher algorithm, by Bruce Schneier.
	  
	  This is a variable key length cipher which can use keys from 32
	  bits to 448 bits in length.  It's fast, simple and specifically
	  designed for use on "large microprocessors".
	  
	  See also:
	  <http://www.schneier.com/blowfish.html>

config CRYPTO_TWOFISH
	tristate "Twofish cipher algorithm"
	select CRYPTO_ALGAPI
	select CRYPTO_TWOFISH_COMMON
	help
	  Twofish cipher algorithm.
	  
	  Twofish was submitted as an AES (Advanced Encryption Standard)
	  candidate cipher by researchers at CounterPane Systems.  It is a
	  16 round block cipher supporting key sizes of 128, 192, and 256
	  bits.
	  
	  See also:
	  <http://www.schneier.com/twofish.html>

config CRYPTO_TWOFISH_COMMON
	tristate
	help
	  Common parts of the Twofish cipher algorithm shared by the
	  generic c and the assembler implementations.

config CRYPTO_TWOFISH_586
	tristate "Twofish cipher algorithms (i586)"
	depends on (X86 || UML_X86) && !64BIT
	select CRYPTO_ALGAPI
	select CRYPTO_TWOFISH_COMMON
	help
	  Twofish cipher algorithm.

	  Twofish was submitted as an AES (Advanced Encryption Standard)
	  candidate cipher by researchers at CounterPane Systems.  It is a
	  16 round block cipher supporting key sizes of 128, 192, and 256
	  bits.

	  See also:
	  <http://www.schneier.com/twofish.html>

config CRYPTO_TWOFISH_X86_64
	tristate "Twofish cipher algorithm (x86_64)"
	depends on (X86 || UML_X86) && 64BIT
	select CRYPTO_ALGAPI
	select CRYPTO_TWOFISH_COMMON
	help
	  Twofish cipher algorithm (x86_64).

	  Twofish was submitted as an AES (Advanced Encryption Standard)
	  candidate cipher by researchers at CounterPane Systems.  It is a
	  16 round block cipher supporting key sizes of 128, 192, and 256
	  bits.

	  See also:
	  <http://www.schneier.com/twofish.html>

config CRYPTO_SERPENT
	tristate "Serpent cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Serpent cipher algorithm, by Anderson, Biham & Knudsen.

	  Keys are allowed to be from 0 to 256 bits in length, in steps
	  of 8 bits.  Also includes the 'Tnepres' algorithm, a reversed
	  variant of Serpent for compatibility with old kerneli.org code.

	  See also:
	  <http://www.cl.cam.ac.uk/~rja14/serpent.html>

config CRYPTO_AES
	tristate "AES cipher algorithms"
	select CRYPTO_ALGAPI
	help
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael 
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
	  both hardware and software across a wide range of computing 
	  environments regardless of its use in feedback or non-feedback 
	  modes. Its key setup time is excellent, and its key agility is 
	  good. Rijndael's very low memory requirements make it very well 
	  suited for restricted-space environments, in which it also 
	  demonstrates excellent performance. Rijndael's operations are 
	  among the easiest to defend against power and timing attacks.	

	  The AES specifies three key sizes: 128, 192 and 256 bits	  

	  See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.

config CRYPTO_AES_586
	tristate "AES cipher algorithms (i586)"
	depends on (X86 || UML_X86) && !64BIT
	select CRYPTO_ALGAPI
	help
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael 
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
	  both hardware and software across a wide range of computing 
	  environments regardless of its use in feedback or non-feedback 
	  modes. Its key setup time is excellent, and its key agility is 
	  good. Rijndael's very low memory requirements make it very well 
	  suited for restricted-space environments, in which it also 
	  demonstrates excellent performance. Rijndael's operations are 
	  among the easiest to defend against power and timing attacks.	

	  The AES specifies three key sizes: 128, 192 and 256 bits	  

	  See <http://csrc.nist.gov/encryption/aes/> for more information.

config CRYPTO_AES_X86_64
	tristate "AES cipher algorithms (x86_64)"
	depends on (X86 || UML_X86) && 64BIT
	select CRYPTO_ALGAPI
	help
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael 
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
	  both hardware and software across a wide range of computing 
	  environments regardless of its use in feedback or non-feedback 
	  modes. Its key setup time is excellent, and its key agility is 
	  good. Rijndael's very low memory requirements make it very well 
	  suited for restricted-space environments, in which it also 
	  demonstrates excellent performance. Rijndael's operations are 
	  among the easiest to defend against power and timing attacks.	

	  The AES specifies three key sizes: 128, 192 and 256 bits	  

	  See <http://csrc.nist.gov/encryption/aes/> for more information.

config CRYPTO_CAST5
	tristate "CAST5 (CAST-128) cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  The CAST5 encryption algorithm (synonymous with CAST-128) is
	  described in RFC2144.

config CRYPTO_CAST6
	tristate "CAST6 (CAST-256) cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  The CAST6 encryption algorithm (synonymous with CAST-256) is
	  described in RFC2612.

config CRYPTO_TEA
	tristate "TEA, XTEA and XETA cipher algorithms"
	select CRYPTO_ALGAPI
	help
	  TEA cipher algorithm.

	  Tiny Encryption Algorithm is a simple cipher that uses
	  many rounds for security.  It is very fast and uses
	  little memory.

	  Xtendend Tiny Encryption Algorithm is a modification to
	  the TEA algorithm to address a potential key weakness
	  in the TEA algorithm.

	  Xtendend Encryption Tiny Algorithm is a mis-implementation 
	  of the XTEA algorithm for compatibility purposes.

config CRYPTO_ARC4
	tristate "ARC4 cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  ARC4 cipher algorithm.

	  ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	  bits in length.  This algorithm is required for driver-based 
	  WEP, but it should not be for other purposes because of the
	  weakness of the algorithm.

config CRYPTO_KHAZAD
	tristate "Khazad cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Khazad cipher algorithm.

	  Khazad was a finalist in the initial NESSIE competition.  It is
	  an algorithm optimized for 64-bit processors with good performance
	  on 32-bit processors.  Khazad uses an 128 bit key size.

	  See also:
	  <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>

config CRYPTO_ANUBIS
	tristate "Anubis cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Anubis cipher algorithm.

	  Anubis is a variable key length cipher which can use keys from 
	  128 bits to 320 bits in length.  It was evaluated as a entrant
	  in the NESSIE competition.
	  
	  See also:
	  <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	  <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>

config CRYPTO_SEED
	tristate "SEED cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  SEED cipher algorithm (RFC4269).

	  SEED is a 128-bit symmetric key block cipher that has been
	  developed by KISA (Korea Information Security Agency) as a
	  national standard encryption algorithm of the Republic of Korea.
	  It is a 16 round block cipher with the key size of 128 bit.

	  See also:
	  <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>


config CRYPTO_DEFLATE
	tristate "Deflate compression algorithm"
	select CRYPTO_ALGAPI
	select ZLIB_INFLATE
	select ZLIB_DEFLATE
	help
	  This is the Deflate algorithm (RFC1951), specified for use in
	  IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	  
	  You will most probably want this if using IPSec.

config CRYPTO_MICHAEL_MIC
	tristate "Michael MIC keyed digest algorithm"
	select CRYPTO_ALGAPI
	help
	  Michael MIC is used for message integrity protection in TKIP
	  (IEEE 802.11i). This algorithm is required for TKIP, but it
	  should not be used for other purposes because of the weakness
	  of the algorithm.

config CRYPTO_CRC32C
	tristate "CRC32c CRC algorithm"
	select CRYPTO_ALGAPI
	select LIBCRC32C
	help
	  Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
	  by iSCSI for header and data digests and by others.
	  See Castagnoli93.  This implementation uses lib/libcrc32c.
          Module will be crc32c.

config CRYPTO_CAMELLIA
	tristate "Camellia cipher algorithms"
	depends on CRYPTO
	select CRYPTO_ALGAPI
	help
	  Camellia cipher algorithms module.

	  Camellia is a symmetric key block cipher developed jointly
	  at NTT and Mitsubishi Electric Corporation.

	  The Camellia specifies three key sizes: 128, 192 and 256 bits.

	  See also:
	  <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>

config CRYPTO_TEST
	tristate "Testing module"
	depends on m
	select CRYPTO_ALGAPI
	help
	  Quick & dirty crypto test module.

source "drivers/crypto/Kconfig"

endif	# if CRYPTO
Commit	Line	Data
685784aa DW	1	#
	2	# Generic algorithms support
	3	#
	4	config XOR_BLOCKS
	5	tristate
	6
1da177e4	7	#
9bc89cd8	8	# async_tx api: hardware offloaded memory transfer/transform support
1da177e4	9	#
9bc89cd8	10	source "crypto/async_tx/Kconfig"
1da177e4	11
9bc89cd8 DW	12	#
	13	# Cryptographic API Configuration
	14	#
2e290f43	15	menuconfig CRYPTO
1da177e4 LT	16	bool "Cryptographic API"
	17	help
	18	This option provides the core Cryptographic API.
	19
cce9e06d HX	20	if CRYPTO
	21
	22	config CRYPTO_ALGAPI
	23	tristate
	24	help
	25	This option provides the API for cryptographic algorithms.
	26
b5b7f088 HX	27	config CRYPTO_ABLKCIPHER
	28	tristate
	29	select CRYPTO_BLKCIPHER
	30
5cde0af2 HX	31	config CRYPTO_BLKCIPHER
	32	tristate
	33	select CRYPTO_ALGAPI
	34
055bcee3 HX	35	config CRYPTO_HASH
	36	tristate
	37	select CRYPTO_ALGAPI
	38
2b8c19db HX	39	config CRYPTO_MANAGER
	40	tristate "Cryptographic algorithm manager"
	41	select CRYPTO_ALGAPI
2b8c19db HX	42	help
	43	Create default cryptographic template instantiations such as
	44	cbc(aes).
	45
1da177e4	46	config CRYPTO_HMAC
8425165d	47	tristate "HMAC support"
0796ae06	48	select CRYPTO_HASH
43518407	49	select CRYPTO_MANAGER
1da177e4 LT	50	help
	51	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	52	This is required for IPSec.
	53
333b0d7e KM	54	config CRYPTO_XCBC
	55	tristate "XCBC support"
	56	depends on EXPERIMENTAL
	57	select CRYPTO_HASH
	58	select CRYPTO_MANAGER
	59	help
	60	XCBC: Keyed-Hashing with encryption algorithm
	61	http://www.ietf.org/rfc/rfc3566.txt
	62	http://csrc.nist.gov/encryption/modes/proposedmodes/
	63	xcbc-mac/xcbc-mac-spec.pdf
	64
1da177e4 LT	65	config CRYPTO_NULL
1da177e4 LT	66	tristate "Null algorithms"
cce9e06d	67	select CRYPTO_ALGAPI
1da177e4 LT	68	help
	69	These are 'Null' algorithms, used by IPsec, which do nothing.
	70
	71	config CRYPTO_MD4
	72	tristate "MD4 digest algorithm"
cce9e06d	73	select CRYPTO_ALGAPI
1da177e4 LT	74	help
	75	MD4 message digest algorithm (RFC1320).
	76
	77	config CRYPTO_MD5
	78	tristate "MD5 digest algorithm"
cce9e06d	79	select CRYPTO_ALGAPI
1da177e4 LT	80	help
	81	MD5 message digest algorithm (RFC1321).
	82
	83	config CRYPTO_SHA1
	84	tristate "SHA1 digest algorithm"
cce9e06d	85	select CRYPTO_ALGAPI
1da177e4 LT	86	help
	87	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	88
1da177e4 LT	89	config CRYPTO_SHA256
1da177e4 LT	90	tristate "SHA256 digest algorithm"
cce9e06d	91	select CRYPTO_ALGAPI
1da177e4 LT	92	help
	93	SHA256 secure hash standard (DFIPS 180-2).
	94
	95	This version of SHA implements a 256 bit hash with 128 bits of
	96	security against collision attacks.
	97
	98	config CRYPTO_SHA512
	99	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	100	select CRYPTO_ALGAPI
1da177e4 LT	101	help
	102	SHA512 secure hash standard (DFIPS 180-2).
	103
	104	This version of SHA implements a 512 bit hash with 256 bits of
	105	security against collision attacks.
	106
	107	This code also includes SHA-384, a 384 bit hash with 192 bits
	108	of security against collision attacks.
	109
	110	config CRYPTO_WP512
	111	tristate "Whirlpool digest algorithms"
cce9e06d	112	select CRYPTO_ALGAPI
1da177e4 LT	113	help
	114	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	115
	116	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	117	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	118
	119	See also:
	120	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	121
	122	config CRYPTO_TGR192
	123	tristate "Tiger digest algorithms"
cce9e06d	124	select CRYPTO_ALGAPI
1da177e4 LT	125	help
	126	Tiger hash algorithm 192, 160 and 128-bit hashes
	127
	128	Tiger is a hash function optimized for 64-bit processors while
	129	still having decent performance on 32-bit processors.
	130	Tiger was developed by Ross Anderson and Eli Biham.
	131
	132	See also:
	133	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	134
c494e070 RS	135	config CRYPTO_GF128MUL
	136	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	137	depends on EXPERIMENTAL
	138	help
	139	Efficient table driven implementation of multiplications in the
	140	field GF(2^128). This is needed by some cypher modes. This
	141	option will be selected automatically if you select such a
	142	cipher mode. Only select this option by hand if you expect to load
	143	an external module that requires these functions.
	144
db131ef9 HX	145	config CRYPTO_ECB
	146	tristate "ECB support"
	147	select CRYPTO_BLKCIPHER
43518407	148	select CRYPTO_MANAGER
db131ef9 HX	149	help
	150	ECB: Electronic CodeBook mode
	151	This is the simplest block cipher algorithm. It simply encrypts
	152	the input block by block.
	153
	154	config CRYPTO_CBC
	155	tristate "CBC support"
	156	select CRYPTO_BLKCIPHER
43518407	157	select CRYPTO_MANAGER
db131ef9 HX	158	help
	159	CBC: Cipher Block Chaining mode
	160	This block cipher algorithm is required for IPSec.
	161
91652be5 DH	162	config CRYPTO_PCBC
	163	tristate "PCBC support"
	164	select CRYPTO_BLKCIPHER
	165	select CRYPTO_MANAGER
91652be5 DH	166	help
	167	PCBC: Propagating Cipher Block Chaining mode
	168	This block cipher algorithm is required for RxRPC.
	169
64470f1b RS	170	config CRYPTO_LRW
	171	tristate "LRW support (EXPERIMENTAL)"
	172	depends on EXPERIMENTAL
	173	select CRYPTO_BLKCIPHER
	174	select CRYPTO_MANAGER
	175	select CRYPTO_GF128MUL
	176	help
	177	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	178	narrow block cipher mode for dm-crypt. Use it with cipher
	179	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	180	The first 128, 192 or 256 bits in the key are used for AES and the
	181	rest is used to tie each cipher block to its logical position.
	182
124b53d0 HX	183	config CRYPTO_CRYPTD
	184	tristate "Software async crypto daemon"
	185	select CRYPTO_ABLKCIPHER
	186	select CRYPTO_MANAGER
	187	help
	188	This is a generic software asynchronous crypto daemon that
	189	converts an arbitrary synchronous software crypto algorithm
	190	into an asynchronous algorithm that executes in a kernel thread.
	191
1da177e4 LT	192	config CRYPTO_DES
1da177e4 LT	193	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	194	select CRYPTO_ALGAPI
1da177e4 LT	195	help
	196	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	197
90831639 DH	198	config CRYPTO_FCRYPT
	199	tristate "FCrypt cipher algorithm"
	200	select CRYPTO_ALGAPI
	201	select CRYPTO_BLKCIPHER
	202	help
	203	FCrypt algorithm used by RxRPC.
	204
1da177e4 LT	205	config CRYPTO_BLOWFISH
1da177e4 LT	206	tristate "Blowfish cipher algorithm"
cce9e06d	207	select CRYPTO_ALGAPI
1da177e4 LT	208	help
	209	Blowfish cipher algorithm, by Bruce Schneier.
	210
	211	This is a variable key length cipher which can use keys from 32
	212	bits to 448 bits in length. It's fast, simple and specifically
	213	designed for use on "large microprocessors".
	214
	215	See also:
	216	<http://www.schneier.com/blowfish.html>
	217
	218	config CRYPTO_TWOFISH
	219	tristate "Twofish cipher algorithm"
cce9e06d	220	select CRYPTO_ALGAPI
2729bb42	221	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	222	help
	223	Twofish cipher algorithm.
	224
	225	Twofish was submitted as an AES (Advanced Encryption Standard)
	226	candidate cipher by researchers at CounterPane Systems. It is a
	227	16 round block cipher supporting key sizes of 128, 192, and 256
	228	bits.
	229
	230	See also:
	231	<http://www.schneier.com/twofish.html>
	232
2729bb42 JF	233	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	234	tristate
2729bb42 JF	235	help
	236	Common parts of the Twofish cipher algorithm shared by the
	237	generic c and the assembler implementations.
	238
b9f535ff JF	239	config CRYPTO_TWOFISH_586
b9f535ff JF	240	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	241	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	242	select CRYPTO_ALGAPI
b9f535ff JF	243	select CRYPTO_TWOFISH_COMMON
	244	help
	245	Twofish cipher algorithm.
	246
	247	Twofish was submitted as an AES (Advanced Encryption Standard)
	248	candidate cipher by researchers at CounterPane Systems. It is a
	249	16 round block cipher supporting key sizes of 128, 192, and 256
	250	bits.
	251
	252	See also:
	253	<http://www.schneier.com/twofish.html>
	254
eaf44088 JF	255	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	256	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	257	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	258	select CRYPTO_ALGAPI
eaf44088 JF	259	select CRYPTO_TWOFISH_COMMON
	260	help
	261	Twofish cipher algorithm (x86_64).
	262
	263	Twofish was submitted as an AES (Advanced Encryption Standard)
	264	candidate cipher by researchers at CounterPane Systems. It is a
	265	16 round block cipher supporting key sizes of 128, 192, and 256
	266	bits.
	267
	268	See also:
	269	<http://www.schneier.com/twofish.html>
	270
1da177e4 LT	271	config CRYPTO_SERPENT
1da177e4 LT	272	tristate "Serpent cipher algorithm"
cce9e06d	273	select CRYPTO_ALGAPI
1da177e4 LT	274	help
	275	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	276
	277	Keys are allowed to be from 0 to 256 bits in length, in steps
	278	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	279	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	280
	281	See also:
	282	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	283
	284	config CRYPTO_AES
	285	tristate "AES cipher algorithms"
cce9e06d	286	select CRYPTO_ALGAPI
1da177e4 LT	287	help
	288	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	289	algorithm.
	290
	291	Rijndael appears to be consistently a very good performer in
	292	both hardware and software across a wide range of computing
	293	environments regardless of its use in feedback or non-feedback
	294	modes. Its key setup time is excellent, and its key agility is
	295	good. Rijndael's very low memory requirements make it very well
	296	suited for restricted-space environments, in which it also
	297	demonstrates excellent performance. Rijndael's operations are
	298	among the easiest to defend against power and timing attacks.
	299
	300	The AES specifies three key sizes: 128, 192 and 256 bits
	301
	302	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	303
	304	config CRYPTO_AES_586
	305	tristate "AES cipher algorithms (i586)"
cce9e06d HX	306	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	307	select CRYPTO_ALGAPI
1da177e4 LT	308	help
	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	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	322
	323	See <http://csrc.nist.gov/encryption/aes/> for more information.
	324
	325	config CRYPTO_AES_X86_64
	326	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	327	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	328	select CRYPTO_ALGAPI
a2a892a2 AS	329	help
	330	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	331	algorithm.
	332
	333	Rijndael appears to be consistently a very good performer in
	334	both hardware and software across a wide range of computing
	335	environments regardless of its use in feedback or non-feedback
	336	modes. Its key setup time is excellent, and its key agility is
	337	good. Rijndael's very low memory requirements make it very well
	338	suited for restricted-space environments, in which it also
	339	demonstrates excellent performance. Rijndael's operations are
	340	among the easiest to defend against power and timing attacks.
	341
	342	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	343
	344	See <http://csrc.nist.gov/encryption/aes/> for more information.
	345
	346	config CRYPTO_CAST5
	347	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	348	select CRYPTO_ALGAPI
1da177e4 LT	349	help
	350	The CAST5 encryption algorithm (synonymous with CAST-128) is
	351	described in RFC2144.
	352
	353	config CRYPTO_CAST6
	354	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	355	select CRYPTO_ALGAPI
1da177e4 LT	356	help
	357	The CAST6 encryption algorithm (synonymous with CAST-256) is
	358	described in RFC2612.
	359
	360	config CRYPTO_TEA
fb4f10ed	361	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	362	select CRYPTO_ALGAPI
1da177e4 LT	363	help
	364	TEA cipher algorithm.
	365
	366	Tiny Encryption Algorithm is a simple cipher that uses
	367	many rounds for security. It is very fast and uses
	368	little memory.
	369
	370	Xtendend Tiny Encryption Algorithm is a modification to
	371	the TEA algorithm to address a potential key weakness
	372	in the TEA algorithm.
	373
fb4f10ed AG	374	Xtendend Encryption Tiny Algorithm is a mis-implementation
	375	of the XTEA algorithm for compatibility purposes.
	376
1da177e4 LT	377	config CRYPTO_ARC4
1da177e4 LT	378	tristate "ARC4 cipher algorithm"
cce9e06d	379	select CRYPTO_ALGAPI
1da177e4 LT	380	help
	381	ARC4 cipher algorithm.
	382
	383	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	384	bits in length. This algorithm is required for driver-based
	385	WEP, but it should not be for other purposes because of the
	386	weakness of the algorithm.
	387
	388	config CRYPTO_KHAZAD
	389	tristate "Khazad cipher algorithm"
cce9e06d	390	select CRYPTO_ALGAPI
1da177e4 LT	391	help
	392	Khazad cipher algorithm.
	393
	394	Khazad was a finalist in the initial NESSIE competition. It is
	395	an algorithm optimized for 64-bit processors with good performance
	396	on 32-bit processors. Khazad uses an 128 bit key size.
	397
	398	See also:
	399	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	400
	401	config CRYPTO_ANUBIS
	402	tristate "Anubis cipher algorithm"
cce9e06d	403	select CRYPTO_ALGAPI
1da177e4 LT	404	help
	405	Anubis cipher algorithm.
	406
	407	Anubis is a variable key length cipher which can use keys from
	408	128 bits to 320 bits in length. It was evaluated as a entrant
	409	in the NESSIE competition.
	410
	411	See also:
	412	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	413	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	414
e2ee95b8 HSC	415	config CRYPTO_SEED
	416	tristate "SEED cipher algorithm"
	417	select CRYPTO_ALGAPI
	418	help
	419	SEED cipher algorithm (RFC4269).
	420
	421	SEED is a 128-bit symmetric key block cipher that has been
	422	developed by KISA (Korea Information Security Agency) as a
	423	national standard encryption algorithm of the Republic of Korea.
	424	It is a 16 round block cipher with the key size of 128 bit.
	425
	426	See also:
	427	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	428
1da177e4 LT	429
	430	config CRYPTO_DEFLATE
	431	tristate "Deflate compression algorithm"
cce9e06d	432	select CRYPTO_ALGAPI
1da177e4 LT	433	select ZLIB_INFLATE
	434	select ZLIB_DEFLATE
	435	help
	436	This is the Deflate algorithm (RFC1951), specified for use in
	437	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	438
	439	You will most probably want this if using IPSec.
	440
	441	config CRYPTO_MICHAEL_MIC
	442	tristate "Michael MIC keyed digest algorithm"
cce9e06d	443	select CRYPTO_ALGAPI
1da177e4 LT	444	help
	445	Michael MIC is used for message integrity protection in TKIP
	446	(IEEE 802.11i). This algorithm is required for TKIP, but it
	447	should not be used for other purposes because of the weakness
	448	of the algorithm.
	449
	450	config CRYPTO_CRC32C
	451	tristate "CRC32c CRC algorithm"
cce9e06d	452	select CRYPTO_ALGAPI
1da177e4 LT	453	select LIBCRC32C
	454	help
	455	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	456	by iSCSI for header and data digests and by others.
	457	See Castagnoli93. This implementation uses lib/libcrc32c.
	458	Module will be crc32c.
	459
04ac7db3 NT	460	config CRYPTO_CAMELLIA
	461	tristate "Camellia cipher algorithms"
	462	depends on CRYPTO
	463	select CRYPTO_ALGAPI
	464	help
	465	Camellia cipher algorithms module.
	466
	467	Camellia is a symmetric key block cipher developed jointly
	468	at NTT and Mitsubishi Electric Corporation.
	469
	470	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	471
	472	See also:
	473	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	474
1da177e4 LT	475	config CRYPTO_TEST
1da177e4 LT	476	tristate "Testing module"
cce9e06d HX	477	depends on m
cce9e06d HX	478	select CRYPTO_ALGAPI
1da177e4 LT	479	help
	480	Quick & dirty crypto test module.
	481
	482	source "drivers/crypto/Kconfig"
1da177e4	483
cce9e06d	484	endif # if CRYPTO