[net-next-2.6.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
	default m
	help
	  ECB: Electronic CodeBook mode
	  This is the simplest block cipher algorithm.  It simply encrypts
	  the input block by block.

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

config CRYPTO_PCBC
	tristate "PCBC support"
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	default m
	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_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	default m
	150	help
	151	ECB: Electronic CodeBook mode
	152	This is the simplest block cipher algorithm. It simply encrypts
	153	the input block by block.
	154
	155	config CRYPTO_CBC
	156	tristate "CBC support"
	157	select CRYPTO_BLKCIPHER
43518407	158	select CRYPTO_MANAGER
db131ef9 HX	159	default m
	160	help
	161	CBC: Cipher Block Chaining mode
	162	This block cipher algorithm is required for IPSec.
	163
91652be5 DH	164	config CRYPTO_PCBC
	165	tristate "PCBC support"
	166	select CRYPTO_BLKCIPHER
	167	select CRYPTO_MANAGER
	168	default m
	169	help
	170	PCBC: Propagating Cipher Block Chaining mode
	171	This block cipher algorithm is required for RxRPC.
	172
64470f1b RS	173	config CRYPTO_LRW
	174	tristate "LRW support (EXPERIMENTAL)"
	175	depends on EXPERIMENTAL
	176	select CRYPTO_BLKCIPHER
	177	select CRYPTO_MANAGER
	178	select CRYPTO_GF128MUL
	179	help
	180	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	181	narrow block cipher mode for dm-crypt. Use it with cipher
	182	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	183	The first 128, 192 or 256 bits in the key are used for AES and the
	184	rest is used to tie each cipher block to its logical position.
	185
124b53d0 HX	186	config CRYPTO_CRYPTD
	187	tristate "Software async crypto daemon"
	188	select CRYPTO_ABLKCIPHER
	189	select CRYPTO_MANAGER
	190	help
	191	This is a generic software asynchronous crypto daemon that
	192	converts an arbitrary synchronous software crypto algorithm
	193	into an asynchronous algorithm that executes in a kernel thread.
	194
1da177e4 LT	195	config CRYPTO_DES
1da177e4 LT	196	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	197	select CRYPTO_ALGAPI
1da177e4 LT	198	help
	199	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	200
90831639 DH	201	config CRYPTO_FCRYPT
	202	tristate "FCrypt cipher algorithm"
	203	select CRYPTO_ALGAPI
	204	select CRYPTO_BLKCIPHER
	205	help
	206	FCrypt algorithm used by RxRPC.
	207
1da177e4 LT	208	config CRYPTO_BLOWFISH
1da177e4 LT	209	tristate "Blowfish cipher algorithm"
cce9e06d	210	select CRYPTO_ALGAPI
1da177e4 LT	211	help
	212	Blowfish cipher algorithm, by Bruce Schneier.
	213
	214	This is a variable key length cipher which can use keys from 32
	215	bits to 448 bits in length. It's fast, simple and specifically
	216	designed for use on "large microprocessors".
	217
	218	See also:
	219	<http://www.schneier.com/blowfish.html>
	220
	221	config CRYPTO_TWOFISH
	222	tristate "Twofish cipher algorithm"
cce9e06d	223	select CRYPTO_ALGAPI
2729bb42	224	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	225	help
	226	Twofish cipher algorithm.
	227
	228	Twofish was submitted as an AES (Advanced Encryption Standard)
	229	candidate cipher by researchers at CounterPane Systems. It is a
	230	16 round block cipher supporting key sizes of 128, 192, and 256
	231	bits.
	232
	233	See also:
	234	<http://www.schneier.com/twofish.html>
	235
2729bb42 JF	236	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	237	tristate
2729bb42 JF	238	help
	239	Common parts of the Twofish cipher algorithm shared by the
	240	generic c and the assembler implementations.
	241
b9f535ff JF	242	config CRYPTO_TWOFISH_586
b9f535ff JF	243	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	244	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	245	select CRYPTO_ALGAPI
b9f535ff JF	246	select CRYPTO_TWOFISH_COMMON
	247	help
	248	Twofish cipher algorithm.
	249
	250	Twofish was submitted as an AES (Advanced Encryption Standard)
	251	candidate cipher by researchers at CounterPane Systems. It is a
	252	16 round block cipher supporting key sizes of 128, 192, and 256
	253	bits.
	254
	255	See also:
	256	<http://www.schneier.com/twofish.html>
	257
eaf44088 JF	258	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	259	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	260	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	261	select CRYPTO_ALGAPI
eaf44088 JF	262	select CRYPTO_TWOFISH_COMMON
	263	help
	264	Twofish cipher algorithm (x86_64).
	265
	266	Twofish was submitted as an AES (Advanced Encryption Standard)
	267	candidate cipher by researchers at CounterPane Systems. It is a
	268	16 round block cipher supporting key sizes of 128, 192, and 256
	269	bits.
	270
	271	See also:
	272	<http://www.schneier.com/twofish.html>
	273
1da177e4 LT	274	config CRYPTO_SERPENT
1da177e4 LT	275	tristate "Serpent cipher algorithm"
cce9e06d	276	select CRYPTO_ALGAPI
1da177e4 LT	277	help
	278	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	279
	280	Keys are allowed to be from 0 to 256 bits in length, in steps
	281	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	282	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	283
	284	See also:
	285	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	286
	287	config CRYPTO_AES
	288	tristate "AES cipher algorithms"
cce9e06d	289	select CRYPTO_ALGAPI
1da177e4 LT	290	help
	291	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	292	algorithm.
	293
	294	Rijndael appears to be consistently a very good performer in
	295	both hardware and software across a wide range of computing
	296	environments regardless of its use in feedback or non-feedback
	297	modes. Its key setup time is excellent, and its key agility is
	298	good. Rijndael's very low memory requirements make it very well
	299	suited for restricted-space environments, in which it also
	300	demonstrates excellent performance. Rijndael's operations are
	301	among the easiest to defend against power and timing attacks.
	302
	303	The AES specifies three key sizes: 128, 192 and 256 bits
	304
	305	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	306
	307	config CRYPTO_AES_586
	308	tristate "AES cipher algorithms (i586)"
cce9e06d HX	309	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	310	select CRYPTO_ALGAPI
1da177e4 LT	311	help
	312	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	313	algorithm.
	314
	315	Rijndael appears to be consistently a very good performer in
	316	both hardware and software across a wide range of computing
	317	environments regardless of its use in feedback or non-feedback
	318	modes. Its key setup time is excellent, and its key agility is
	319	good. Rijndael's very low memory requirements make it very well
	320	suited for restricted-space environments, in which it also
	321	demonstrates excellent performance. Rijndael's operations are
	322	among the easiest to defend against power and timing attacks.
	323
	324	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	325
	326	See <http://csrc.nist.gov/encryption/aes/> for more information.
	327
	328	config CRYPTO_AES_X86_64
	329	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	330	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	331	select CRYPTO_ALGAPI
a2a892a2 AS	332	help
	333	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	334	algorithm.
	335
	336	Rijndael appears to be consistently a very good performer in
	337	both hardware and software across a wide range of computing
	338	environments regardless of its use in feedback or non-feedback
	339	modes. Its key setup time is excellent, and its key agility is
	340	good. Rijndael's very low memory requirements make it very well
	341	suited for restricted-space environments, in which it also
	342	demonstrates excellent performance. Rijndael's operations are
	343	among the easiest to defend against power and timing attacks.
	344
	345	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	346
	347	See <http://csrc.nist.gov/encryption/aes/> for more information.
	348
	349	config CRYPTO_CAST5
	350	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	351	select CRYPTO_ALGAPI
1da177e4 LT	352	help
	353	The CAST5 encryption algorithm (synonymous with CAST-128) is
	354	described in RFC2144.
	355
	356	config CRYPTO_CAST6
	357	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	358	select CRYPTO_ALGAPI
1da177e4 LT	359	help
	360	The CAST6 encryption algorithm (synonymous with CAST-256) is
	361	described in RFC2612.
	362
	363	config CRYPTO_TEA
fb4f10ed	364	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	365	select CRYPTO_ALGAPI
1da177e4 LT	366	help
	367	TEA cipher algorithm.
	368
	369	Tiny Encryption Algorithm is a simple cipher that uses
	370	many rounds for security. It is very fast and uses
	371	little memory.
	372
	373	Xtendend Tiny Encryption Algorithm is a modification to
	374	the TEA algorithm to address a potential key weakness
	375	in the TEA algorithm.
	376
fb4f10ed AG	377	Xtendend Encryption Tiny Algorithm is a mis-implementation
	378	of the XTEA algorithm for compatibility purposes.
	379
1da177e4 LT	380	config CRYPTO_ARC4
1da177e4 LT	381	tristate "ARC4 cipher algorithm"
cce9e06d	382	select CRYPTO_ALGAPI
1da177e4 LT	383	help
	384	ARC4 cipher algorithm.
	385
	386	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	387	bits in length. This algorithm is required for driver-based
	388	WEP, but it should not be for other purposes because of the
	389	weakness of the algorithm.
	390
	391	config CRYPTO_KHAZAD
	392	tristate "Khazad cipher algorithm"
cce9e06d	393	select CRYPTO_ALGAPI
1da177e4 LT	394	help
	395	Khazad cipher algorithm.
	396
	397	Khazad was a finalist in the initial NESSIE competition. It is
	398	an algorithm optimized for 64-bit processors with good performance
	399	on 32-bit processors. Khazad uses an 128 bit key size.
	400
	401	See also:
	402	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	403
	404	config CRYPTO_ANUBIS
	405	tristate "Anubis cipher algorithm"
cce9e06d	406	select CRYPTO_ALGAPI
1da177e4 LT	407	help
	408	Anubis cipher algorithm.
	409
	410	Anubis is a variable key length cipher which can use keys from
	411	128 bits to 320 bits in length. It was evaluated as a entrant
	412	in the NESSIE competition.
	413
	414	See also:
	415	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	416	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	417
	418
	419	config CRYPTO_DEFLATE
	420	tristate "Deflate compression algorithm"
cce9e06d	421	select CRYPTO_ALGAPI
1da177e4 LT	422	select ZLIB_INFLATE
	423	select ZLIB_DEFLATE
	424	help
	425	This is the Deflate algorithm (RFC1951), specified for use in
	426	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	427
	428	You will most probably want this if using IPSec.
	429
	430	config CRYPTO_MICHAEL_MIC
	431	tristate "Michael MIC keyed digest algorithm"
cce9e06d	432	select CRYPTO_ALGAPI
1da177e4 LT	433	help
	434	Michael MIC is used for message integrity protection in TKIP
	435	(IEEE 802.11i). This algorithm is required for TKIP, but it
	436	should not be used for other purposes because of the weakness
	437	of the algorithm.
	438
	439	config CRYPTO_CRC32C
	440	tristate "CRC32c CRC algorithm"
cce9e06d	441	select CRYPTO_ALGAPI
1da177e4 LT	442	select LIBCRC32C
	443	help
	444	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	445	by iSCSI for header and data digests and by others.
	446	See Castagnoli93. This implementation uses lib/libcrc32c.
	447	Module will be crc32c.
	448
04ac7db3 NT	449	config CRYPTO_CAMELLIA
	450	tristate "Camellia cipher algorithms"
	451	depends on CRYPTO
	452	select CRYPTO_ALGAPI
	453	help
	454	Camellia cipher algorithms module.
	455
	456	Camellia is a symmetric key block cipher developed jointly
	457	at NTT and Mitsubishi Electric Corporation.
	458
	459	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	460
	461	See also:
	462	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	463
1da177e4 LT	464	config CRYPTO_TEST
1da177e4 LT	465	tristate "Testing module"
cce9e06d HX	466	depends on m
cce9e06d HX	467	select CRYPTO_ALGAPI
1da177e4 LT	468	help
	469	Quick & dirty crypto test module.
	470
	471	source "drivers/crypto/Kconfig"
1da177e4	472
cce9e06d	473	endif # if CRYPTO