[mirror_ubuntu-zesty-kernel.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_CTR
	tristate "CTR support"
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	default m
	help
	  CTR: Counter mode
	  This block cipher algorithm is required for IPSec.

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
23e353c8 JL	198	config CRYPTO_CTR
	199	tristate "CTR support"
	200	select CRYPTO_BLKCIPHER
	201	select CRYPTO_MANAGER
	202	default m
	203	help
	204	CTR: Counter mode
	205	This block cipher algorithm is required for IPSec.
	206
124b53d0 HX	207	config CRYPTO_CRYPTD
	208	tristate "Software async crypto daemon"
	209	select CRYPTO_ABLKCIPHER
	210	select CRYPTO_MANAGER
	211	help
	212	This is a generic software asynchronous crypto daemon that
	213	converts an arbitrary synchronous software crypto algorithm
	214	into an asynchronous algorithm that executes in a kernel thread.
	215
1da177e4 LT	216	config CRYPTO_DES
1da177e4 LT	217	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	218	select CRYPTO_ALGAPI
1da177e4 LT	219	help
	220	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	221
90831639 DH	222	config CRYPTO_FCRYPT
	223	tristate "FCrypt cipher algorithm"
	224	select CRYPTO_ALGAPI
	225	select CRYPTO_BLKCIPHER
	226	help
	227	FCrypt algorithm used by RxRPC.
	228
1da177e4 LT	229	config CRYPTO_BLOWFISH
1da177e4 LT	230	tristate "Blowfish cipher algorithm"
cce9e06d	231	select CRYPTO_ALGAPI
1da177e4 LT	232	help
	233	Blowfish cipher algorithm, by Bruce Schneier.
	234
	235	This is a variable key length cipher which can use keys from 32
	236	bits to 448 bits in length. It's fast, simple and specifically
	237	designed for use on "large microprocessors".
	238
	239	See also:
	240	<http://www.schneier.com/blowfish.html>
	241
	242	config CRYPTO_TWOFISH
	243	tristate "Twofish cipher algorithm"
cce9e06d	244	select CRYPTO_ALGAPI
2729bb42	245	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	246	help
	247	Twofish cipher algorithm.
	248
	249	Twofish was submitted as an AES (Advanced Encryption Standard)
	250	candidate cipher by researchers at CounterPane Systems. It is a
	251	16 round block cipher supporting key sizes of 128, 192, and 256
	252	bits.
	253
	254	See also:
	255	<http://www.schneier.com/twofish.html>
	256
2729bb42 JF	257	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	258	tristate
2729bb42 JF	259	help
	260	Common parts of the Twofish cipher algorithm shared by the
	261	generic c and the assembler implementations.
	262
b9f535ff JF	263	config CRYPTO_TWOFISH_586
b9f535ff JF	264	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	265	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	266	select CRYPTO_ALGAPI
b9f535ff JF	267	select CRYPTO_TWOFISH_COMMON
	268	help
	269	Twofish cipher algorithm.
	270
	271	Twofish was submitted as an AES (Advanced Encryption Standard)
	272	candidate cipher by researchers at CounterPane Systems. It is a
	273	16 round block cipher supporting key sizes of 128, 192, and 256
	274	bits.
	275
	276	See also:
	277	<http://www.schneier.com/twofish.html>
	278
eaf44088 JF	279	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	280	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	281	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	282	select CRYPTO_ALGAPI
eaf44088 JF	283	select CRYPTO_TWOFISH_COMMON
	284	help
	285	Twofish cipher algorithm (x86_64).
	286
	287	Twofish was submitted as an AES (Advanced Encryption Standard)
	288	candidate cipher by researchers at CounterPane Systems. It is a
	289	16 round block cipher supporting key sizes of 128, 192, and 256
	290	bits.
	291
	292	See also:
	293	<http://www.schneier.com/twofish.html>
	294
1da177e4 LT	295	config CRYPTO_SERPENT
1da177e4 LT	296	tristate "Serpent cipher algorithm"
cce9e06d	297	select CRYPTO_ALGAPI
1da177e4 LT	298	help
	299	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	300
	301	Keys are allowed to be from 0 to 256 bits in length, in steps
	302	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	303	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	304
	305	See also:
	306	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	307
	308	config CRYPTO_AES
	309	tristate "AES cipher algorithms"
cce9e06d	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
	325
	326	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	327
	328	config CRYPTO_AES_586
	329	tristate "AES cipher algorithms (i586)"
cce9e06d HX	330	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	331	select CRYPTO_ALGAPI
1da177e4 LT	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
a2a892a2 AS	346
	347	See <http://csrc.nist.gov/encryption/aes/> for more information.
	348
	349	config CRYPTO_AES_X86_64
	350	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	351	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	352	select CRYPTO_ALGAPI
a2a892a2 AS	353	help
	354	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	355	algorithm.
	356
	357	Rijndael appears to be consistently a very good performer in
	358	both hardware and software across a wide range of computing
	359	environments regardless of its use in feedback or non-feedback
	360	modes. Its key setup time is excellent, and its key agility is
	361	good. Rijndael's very low memory requirements make it very well
	362	suited for restricted-space environments, in which it also
	363	demonstrates excellent performance. Rijndael's operations are
	364	among the easiest to defend against power and timing attacks.
	365
	366	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	367
	368	See <http://csrc.nist.gov/encryption/aes/> for more information.
	369
	370	config CRYPTO_CAST5
	371	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	372	select CRYPTO_ALGAPI
1da177e4 LT	373	help
	374	The CAST5 encryption algorithm (synonymous with CAST-128) is
	375	described in RFC2144.
	376
	377	config CRYPTO_CAST6
	378	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	379	select CRYPTO_ALGAPI
1da177e4 LT	380	help
	381	The CAST6 encryption algorithm (synonymous with CAST-256) is
	382	described in RFC2612.
	383
	384	config CRYPTO_TEA
fb4f10ed	385	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	386	select CRYPTO_ALGAPI
1da177e4 LT	387	help
	388	TEA cipher algorithm.
	389
	390	Tiny Encryption Algorithm is a simple cipher that uses
	391	many rounds for security. It is very fast and uses
	392	little memory.
	393
	394	Xtendend Tiny Encryption Algorithm is a modification to
	395	the TEA algorithm to address a potential key weakness
	396	in the TEA algorithm.
	397
fb4f10ed AG	398	Xtendend Encryption Tiny Algorithm is a mis-implementation
	399	of the XTEA algorithm for compatibility purposes.
	400
1da177e4 LT	401	config CRYPTO_ARC4
1da177e4 LT	402	tristate "ARC4 cipher algorithm"
cce9e06d	403	select CRYPTO_ALGAPI
1da177e4 LT	404	help
	405	ARC4 cipher algorithm.
	406
	407	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	408	bits in length. This algorithm is required for driver-based
	409	WEP, but it should not be for other purposes because of the
	410	weakness of the algorithm.
	411
	412	config CRYPTO_KHAZAD
	413	tristate "Khazad cipher algorithm"
cce9e06d	414	select CRYPTO_ALGAPI
1da177e4 LT	415	help
	416	Khazad cipher algorithm.
	417
	418	Khazad was a finalist in the initial NESSIE competition. It is
	419	an algorithm optimized for 64-bit processors with good performance
	420	on 32-bit processors. Khazad uses an 128 bit key size.
	421
	422	See also:
	423	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	424
	425	config CRYPTO_ANUBIS
	426	tristate "Anubis cipher algorithm"
cce9e06d	427	select CRYPTO_ALGAPI
1da177e4 LT	428	help
	429	Anubis cipher algorithm.
	430
	431	Anubis is a variable key length cipher which can use keys from
	432	128 bits to 320 bits in length. It was evaluated as a entrant
	433	in the NESSIE competition.
	434
	435	See also:
	436	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	437	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	438
e2ee95b8 HSC	439	config CRYPTO_SEED
	440	tristate "SEED cipher algorithm"
	441	select CRYPTO_ALGAPI
	442	help
	443	SEED cipher algorithm (RFC4269).
	444
	445	SEED is a 128-bit symmetric key block cipher that has been
	446	developed by KISA (Korea Information Security Agency) as a
	447	national standard encryption algorithm of the Republic of Korea.
	448	It is a 16 round block cipher with the key size of 128 bit.
	449
	450	See also:
	451	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	452
1da177e4 LT	453
	454	config CRYPTO_DEFLATE
	455	tristate "Deflate compression algorithm"
cce9e06d	456	select CRYPTO_ALGAPI
1da177e4 LT	457	select ZLIB_INFLATE
	458	select ZLIB_DEFLATE
	459	help
	460	This is the Deflate algorithm (RFC1951), specified for use in
	461	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	462
	463	You will most probably want this if using IPSec.
	464
	465	config CRYPTO_MICHAEL_MIC
	466	tristate "Michael MIC keyed digest algorithm"
cce9e06d	467	select CRYPTO_ALGAPI
1da177e4 LT	468	help
	469	Michael MIC is used for message integrity protection in TKIP
	470	(IEEE 802.11i). This algorithm is required for TKIP, but it
	471	should not be used for other purposes because of the weakness
	472	of the algorithm.
	473
	474	config CRYPTO_CRC32C
	475	tristate "CRC32c CRC algorithm"
cce9e06d	476	select CRYPTO_ALGAPI
1da177e4 LT	477	select LIBCRC32C
	478	help
	479	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	480	by iSCSI for header and data digests and by others.
	481	See Castagnoli93. This implementation uses lib/libcrc32c.
	482	Module will be crc32c.
	483
04ac7db3 NT	484	config CRYPTO_CAMELLIA
	485	tristate "Camellia cipher algorithms"
	486	depends on CRYPTO
	487	select CRYPTO_ALGAPI
	488	help
	489	Camellia cipher algorithms module.
	490
	491	Camellia is a symmetric key block cipher developed jointly
	492	at NTT and Mitsubishi Electric Corporation.
	493
	494	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	495
	496	See also:
	497	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	498
1da177e4 LT	499	config CRYPTO_TEST
1da177e4 LT	500	tristate "Testing module"
cce9e06d HX	501	depends on m
cce9e06d HX	502	select CRYPTO_ALGAPI
1da177e4 LT	503	help
	504	Quick & dirty crypto test module.
	505
3c09f17c HX	506	config CRYPTO_AUTHENC
	507	tristate "Authenc support"
	508	select CRYPTO_AEAD
	509	select CRYPTO_MANAGER
	510	help
	511	Authenc: Combined mode wrapper for IPsec.
	512	This is required for IPSec.
	513
1da177e4	514	source "drivers/crypto/Kconfig"
1da177e4	515
cce9e06d	516	endif # if CRYPTO