[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_AEAD
	tristate
	select CRYPTO_ALGAPI

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_XTS
	tristate "XTS support (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	select CRYPTO_GF128MUL
	help
	  XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
	  key size 256, 384 or 512 bits. This implementation currently
	  can't handle a sectorsize which is not a multiple of 16 bytes.

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.

config CRYPTO_AUTHENC
	tristate "Authenc support"
	select CRYPTO_AEAD
	select CRYPTO_MANAGER
	help
	  Authenc: Combined mode wrapper for IPsec.
	  This is required for IPSec.

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
1ae97820 HX	31	config CRYPTO_AEAD
	32	tristate
	33	select CRYPTO_ALGAPI
	34
5cde0af2 HX	35	config CRYPTO_BLKCIPHER
	36	tristate
	37	select CRYPTO_ALGAPI
	38
055bcee3 HX	39	config CRYPTO_HASH
	40	tristate
	41	select CRYPTO_ALGAPI
	42
2b8c19db HX	43	config CRYPTO_MANAGER
	44	tristate "Cryptographic algorithm manager"
	45	select CRYPTO_ALGAPI
2b8c19db HX	46	help
	47	Create default cryptographic template instantiations such as
	48	cbc(aes).
	49
1da177e4	50	config CRYPTO_HMAC
8425165d	51	tristate "HMAC support"
0796ae06	52	select CRYPTO_HASH
43518407	53	select CRYPTO_MANAGER
1da177e4 LT	54	help
	55	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	56	This is required for IPSec.
	57
333b0d7e KM	58	config CRYPTO_XCBC
	59	tristate "XCBC support"
	60	depends on EXPERIMENTAL
	61	select CRYPTO_HASH
	62	select CRYPTO_MANAGER
	63	help
	64	XCBC: Keyed-Hashing with encryption algorithm
	65	http://www.ietf.org/rfc/rfc3566.txt
	66	http://csrc.nist.gov/encryption/modes/proposedmodes/
	67	xcbc-mac/xcbc-mac-spec.pdf
	68
1da177e4 LT	69	config CRYPTO_NULL
1da177e4 LT	70	tristate "Null algorithms"
cce9e06d	71	select CRYPTO_ALGAPI
1da177e4 LT	72	help
	73	These are 'Null' algorithms, used by IPsec, which do nothing.
	74
	75	config CRYPTO_MD4
	76	tristate "MD4 digest algorithm"
cce9e06d	77	select CRYPTO_ALGAPI
1da177e4 LT	78	help
	79	MD4 message digest algorithm (RFC1320).
	80
	81	config CRYPTO_MD5
	82	tristate "MD5 digest algorithm"
cce9e06d	83	select CRYPTO_ALGAPI
1da177e4 LT	84	help
	85	MD5 message digest algorithm (RFC1321).
	86
	87	config CRYPTO_SHA1
	88	tristate "SHA1 digest algorithm"
cce9e06d	89	select CRYPTO_ALGAPI
1da177e4 LT	90	help
	91	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	92
1da177e4 LT	93	config CRYPTO_SHA256
1da177e4 LT	94	tristate "SHA256 digest algorithm"
cce9e06d	95	select CRYPTO_ALGAPI
1da177e4 LT	96	help
	97	SHA256 secure hash standard (DFIPS 180-2).
	98
	99	This version of SHA implements a 256 bit hash with 128 bits of
	100	security against collision attacks.
	101
	102	config CRYPTO_SHA512
	103	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	104	select CRYPTO_ALGAPI
1da177e4 LT	105	help
	106	SHA512 secure hash standard (DFIPS 180-2).
	107
	108	This version of SHA implements a 512 bit hash with 256 bits of
	109	security against collision attacks.
	110
	111	This code also includes SHA-384, a 384 bit hash with 192 bits
	112	of security against collision attacks.
	113
	114	config CRYPTO_WP512
	115	tristate "Whirlpool digest algorithms"
cce9e06d	116	select CRYPTO_ALGAPI
1da177e4 LT	117	help
	118	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	119
	120	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	121	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	122
	123	See also:
	124	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	125
	126	config CRYPTO_TGR192
	127	tristate "Tiger digest algorithms"
cce9e06d	128	select CRYPTO_ALGAPI
1da177e4 LT	129	help
	130	Tiger hash algorithm 192, 160 and 128-bit hashes
	131
	132	Tiger is a hash function optimized for 64-bit processors while
	133	still having decent performance on 32-bit processors.
	134	Tiger was developed by Ross Anderson and Eli Biham.
	135
	136	See also:
	137	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	138
c494e070 RS	139	config CRYPTO_GF128MUL
	140	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	141	depends on EXPERIMENTAL
	142	help
	143	Efficient table driven implementation of multiplications in the
	144	field GF(2^128). This is needed by some cypher modes. This
	145	option will be selected automatically if you select such a
	146	cipher mode. Only select this option by hand if you expect to load
	147	an external module that requires these functions.
	148
db131ef9 HX	149	config CRYPTO_ECB
	150	tristate "ECB support"
	151	select CRYPTO_BLKCIPHER
43518407	152	select CRYPTO_MANAGER
db131ef9 HX	153	help
	154	ECB: Electronic CodeBook mode
	155	This is the simplest block cipher algorithm. It simply encrypts
	156	the input block by block.
	157
	158	config CRYPTO_CBC
	159	tristate "CBC support"
	160	select CRYPTO_BLKCIPHER
43518407	161	select CRYPTO_MANAGER
db131ef9 HX	162	help
	163	CBC: Cipher Block Chaining mode
	164	This block cipher algorithm is required for IPSec.
	165
91652be5 DH	166	config CRYPTO_PCBC
	167	tristate "PCBC support"
	168	select CRYPTO_BLKCIPHER
	169	select CRYPTO_MANAGER
91652be5 DH	170	help
	171	PCBC: Propagating Cipher Block Chaining mode
	172	This block cipher algorithm is required for RxRPC.
	173
64470f1b RS	174	config CRYPTO_LRW
	175	tristate "LRW support (EXPERIMENTAL)"
	176	depends on EXPERIMENTAL
	177	select CRYPTO_BLKCIPHER
	178	select CRYPTO_MANAGER
	179	select CRYPTO_GF128MUL
	180	help
	181	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	182	narrow block cipher mode for dm-crypt. Use it with cipher
	183	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	184	The first 128, 192 or 256 bits in the key are used for AES and the
	185	rest is used to tie each cipher block to its logical position.
	186
f19f5111 RS	187	config CRYPTO_XTS
	188	tristate "XTS support (EXPERIMENTAL)"
	189	depends on EXPERIMENTAL
	190	select CRYPTO_BLKCIPHER
	191	select CRYPTO_MANAGER
	192	select CRYPTO_GF128MUL
	193	help
	194	XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
	195	key size 256, 384 or 512 bits. This implementation currently
	196	can't handle a sectorsize which is not a multiple of 16 bytes.
	197
124b53d0 HX	198	config CRYPTO_CRYPTD
	199	tristate "Software async crypto daemon"
	200	select CRYPTO_ABLKCIPHER
	201	select CRYPTO_MANAGER
	202	help
	203	This is a generic software asynchronous crypto daemon that
	204	converts an arbitrary synchronous software crypto algorithm
	205	into an asynchronous algorithm that executes in a kernel thread.
	206
1da177e4 LT	207	config CRYPTO_DES
1da177e4 LT	208	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	209	select CRYPTO_ALGAPI
1da177e4 LT	210	help
	211	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	212
90831639 DH	213	config CRYPTO_FCRYPT
	214	tristate "FCrypt cipher algorithm"
	215	select CRYPTO_ALGAPI
	216	select CRYPTO_BLKCIPHER
	217	help
	218	FCrypt algorithm used by RxRPC.
	219
1da177e4 LT	220	config CRYPTO_BLOWFISH
1da177e4 LT	221	tristate "Blowfish cipher algorithm"
cce9e06d	222	select CRYPTO_ALGAPI
1da177e4 LT	223	help
	224	Blowfish cipher algorithm, by Bruce Schneier.
	225
	226	This is a variable key length cipher which can use keys from 32
	227	bits to 448 bits in length. It's fast, simple and specifically
	228	designed for use on "large microprocessors".
	229
	230	See also:
	231	<http://www.schneier.com/blowfish.html>
	232
	233	config CRYPTO_TWOFISH
	234	tristate "Twofish cipher algorithm"
cce9e06d	235	select CRYPTO_ALGAPI
2729bb42	236	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	237	help
	238	Twofish cipher algorithm.
	239
	240	Twofish was submitted as an AES (Advanced Encryption Standard)
	241	candidate cipher by researchers at CounterPane Systems. It is a
	242	16 round block cipher supporting key sizes of 128, 192, and 256
	243	bits.
	244
	245	See also:
	246	<http://www.schneier.com/twofish.html>
	247
2729bb42 JF	248	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	249	tristate
2729bb42 JF	250	help
	251	Common parts of the Twofish cipher algorithm shared by the
	252	generic c and the assembler implementations.
	253
b9f535ff JF	254	config CRYPTO_TWOFISH_586
b9f535ff JF	255	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	256	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	257	select CRYPTO_ALGAPI
b9f535ff JF	258	select CRYPTO_TWOFISH_COMMON
	259	help
	260	Twofish cipher algorithm.
	261
	262	Twofish was submitted as an AES (Advanced Encryption Standard)
	263	candidate cipher by researchers at CounterPane Systems. It is a
	264	16 round block cipher supporting key sizes of 128, 192, and 256
	265	bits.
	266
	267	See also:
	268	<http://www.schneier.com/twofish.html>
	269
eaf44088 JF	270	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	271	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	272	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	273	select CRYPTO_ALGAPI
eaf44088 JF	274	select CRYPTO_TWOFISH_COMMON
	275	help
	276	Twofish cipher algorithm (x86_64).
	277
	278	Twofish was submitted as an AES (Advanced Encryption Standard)
	279	candidate cipher by researchers at CounterPane Systems. It is a
	280	16 round block cipher supporting key sizes of 128, 192, and 256
	281	bits.
	282
	283	See also:
	284	<http://www.schneier.com/twofish.html>
	285
1da177e4 LT	286	config CRYPTO_SERPENT
1da177e4 LT	287	tristate "Serpent cipher algorithm"
cce9e06d	288	select CRYPTO_ALGAPI
1da177e4 LT	289	help
	290	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	291
	292	Keys are allowed to be from 0 to 256 bits in length, in steps
	293	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	294	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	295
	296	See also:
	297	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	298
	299	config CRYPTO_AES
	300	tristate "AES cipher algorithms"
cce9e06d	301	select CRYPTO_ALGAPI
1da177e4 LT	302	help
	303	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	304	algorithm.
	305
	306	Rijndael appears to be consistently a very good performer in
	307	both hardware and software across a wide range of computing
	308	environments regardless of its use in feedback or non-feedback
	309	modes. Its key setup time is excellent, and its key agility is
	310	good. Rijndael's very low memory requirements make it very well
	311	suited for restricted-space environments, in which it also
	312	demonstrates excellent performance. Rijndael's operations are
	313	among the easiest to defend against power and timing attacks.
	314
	315	The AES specifies three key sizes: 128, 192 and 256 bits
	316
	317	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	318
	319	config CRYPTO_AES_586
	320	tristate "AES cipher algorithms (i586)"
cce9e06d HX	321	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	322	select CRYPTO_ALGAPI
1da177e4 LT	323	help
	324	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	325	algorithm.
	326
	327	Rijndael appears to be consistently a very good performer in
	328	both hardware and software across a wide range of computing
	329	environments regardless of its use in feedback or non-feedback
	330	modes. Its key setup time is excellent, and its key agility is
	331	good. Rijndael's very low memory requirements make it very well
	332	suited for restricted-space environments, in which it also
	333	demonstrates excellent performance. Rijndael's operations are
	334	among the easiest to defend against power and timing attacks.
	335
	336	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	337
	338	See <http://csrc.nist.gov/encryption/aes/> for more information.
	339
	340	config CRYPTO_AES_X86_64
	341	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	342	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	343	select CRYPTO_ALGAPI
a2a892a2 AS	344	help
	345	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	346	algorithm.
	347
	348	Rijndael appears to be consistently a very good performer in
	349	both hardware and software across a wide range of computing
	350	environments regardless of its use in feedback or non-feedback
	351	modes. Its key setup time is excellent, and its key agility is
	352	good. Rijndael's very low memory requirements make it very well
	353	suited for restricted-space environments, in which it also
	354	demonstrates excellent performance. Rijndael's operations are
	355	among the easiest to defend against power and timing attacks.
	356
	357	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	358
	359	See <http://csrc.nist.gov/encryption/aes/> for more information.
	360
	361	config CRYPTO_CAST5
	362	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	363	select CRYPTO_ALGAPI
1da177e4 LT	364	help
	365	The CAST5 encryption algorithm (synonymous with CAST-128) is
	366	described in RFC2144.
	367
	368	config CRYPTO_CAST6
	369	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	370	select CRYPTO_ALGAPI
1da177e4 LT	371	help
	372	The CAST6 encryption algorithm (synonymous with CAST-256) is
	373	described in RFC2612.
	374
	375	config CRYPTO_TEA
fb4f10ed	376	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	377	select CRYPTO_ALGAPI
1da177e4 LT	378	help
	379	TEA cipher algorithm.
	380
	381	Tiny Encryption Algorithm is a simple cipher that uses
	382	many rounds for security. It is very fast and uses
	383	little memory.
	384
	385	Xtendend Tiny Encryption Algorithm is a modification to
	386	the TEA algorithm to address a potential key weakness
	387	in the TEA algorithm.
	388
fb4f10ed AG	389	Xtendend Encryption Tiny Algorithm is a mis-implementation
	390	of the XTEA algorithm for compatibility purposes.
	391
1da177e4 LT	392	config CRYPTO_ARC4
1da177e4 LT	393	tristate "ARC4 cipher algorithm"
cce9e06d	394	select CRYPTO_ALGAPI
1da177e4 LT	395	help
	396	ARC4 cipher algorithm.
	397
	398	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	399	bits in length. This algorithm is required for driver-based
	400	WEP, but it should not be for other purposes because of the
	401	weakness of the algorithm.
	402
	403	config CRYPTO_KHAZAD
	404	tristate "Khazad cipher algorithm"
cce9e06d	405	select CRYPTO_ALGAPI
1da177e4 LT	406	help
	407	Khazad cipher algorithm.
	408
	409	Khazad was a finalist in the initial NESSIE competition. It is
	410	an algorithm optimized for 64-bit processors with good performance
	411	on 32-bit processors. Khazad uses an 128 bit key size.
	412
	413	See also:
	414	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	415
	416	config CRYPTO_ANUBIS
	417	tristate "Anubis cipher algorithm"
cce9e06d	418	select CRYPTO_ALGAPI
1da177e4 LT	419	help
	420	Anubis cipher algorithm.
	421
	422	Anubis is a variable key length cipher which can use keys from
	423	128 bits to 320 bits in length. It was evaluated as a entrant
	424	in the NESSIE competition.
	425
	426	See also:
	427	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	428	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	429
e2ee95b8 HSC	430	config CRYPTO_SEED
	431	tristate "SEED cipher algorithm"
	432	select CRYPTO_ALGAPI
	433	help
	434	SEED cipher algorithm (RFC4269).
	435
	436	SEED is a 128-bit symmetric key block cipher that has been
	437	developed by KISA (Korea Information Security Agency) as a
	438	national standard encryption algorithm of the Republic of Korea.
	439	It is a 16 round block cipher with the key size of 128 bit.
	440
	441	See also:
	442	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	443
1da177e4 LT	444
	445	config CRYPTO_DEFLATE
	446	tristate "Deflate compression algorithm"
cce9e06d	447	select CRYPTO_ALGAPI
1da177e4 LT	448	select ZLIB_INFLATE
	449	select ZLIB_DEFLATE
	450	help
	451	This is the Deflate algorithm (RFC1951), specified for use in
	452	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	453
	454	You will most probably want this if using IPSec.
	455
	456	config CRYPTO_MICHAEL_MIC
	457	tristate "Michael MIC keyed digest algorithm"
cce9e06d	458	select CRYPTO_ALGAPI
1da177e4 LT	459	help
	460	Michael MIC is used for message integrity protection in TKIP
	461	(IEEE 802.11i). This algorithm is required for TKIP, but it
	462	should not be used for other purposes because of the weakness
	463	of the algorithm.
	464
	465	config CRYPTO_CRC32C
	466	tristate "CRC32c CRC algorithm"
cce9e06d	467	select CRYPTO_ALGAPI
1da177e4 LT	468	select LIBCRC32C
	469	help
	470	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	471	by iSCSI for header and data digests and by others.
	472	See Castagnoli93. This implementation uses lib/libcrc32c.
	473	Module will be crc32c.
	474
04ac7db3 NT	475	config CRYPTO_CAMELLIA
	476	tristate "Camellia cipher algorithms"
	477	depends on CRYPTO
	478	select CRYPTO_ALGAPI
	479	help
	480	Camellia cipher algorithms module.
	481
	482	Camellia is a symmetric key block cipher developed jointly
	483	at NTT and Mitsubishi Electric Corporation.
	484
	485	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	486
	487	See also:
	488	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	489
1da177e4 LT	490	config CRYPTO_TEST
1da177e4 LT	491	tristate "Testing module"
cce9e06d HX	492	depends on m
cce9e06d HX	493	select CRYPTO_ALGAPI
1da177e4 LT	494	help
	495	Quick & dirty crypto test module.
	496
3c09f17c HX	497	config CRYPTO_AUTHENC
	498	tristate "Authenc support"
	499	select CRYPTO_AEAD
	500	select CRYPTO_MANAGER
	501	help
	502	Authenc: Combined mode wrapper for IPsec.
	503	This is required for IPSec.
	504
1da177e4	505	source "drivers/crypto/Kconfig"
1da177e4	506
cce9e06d	507	endif # if CRYPTO