[mirror_ubuntu-bionic-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 "SHA224 and 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.

          This code also includes SHA-224, a 224 bit hash with 112 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
	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
	select CRYPTO_AES
	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
	select CRYPTO_AES
	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	93	config CRYPTO_SHA256
cd12fb90	94	tristate "SHA224 and 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
cd12fb90 JL	102	This code also includes SHA-224, a 224 bit hash with 112 bits
	103	of security against collision attacks.
	104
1da177e4 LT	105	config CRYPTO_SHA512
1da177e4 LT	106	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	107	select CRYPTO_ALGAPI
1da177e4 LT	108	help
	109	SHA512 secure hash standard (DFIPS 180-2).
	110
	111	This version of SHA implements a 512 bit hash with 256 bits of
	112	security against collision attacks.
	113
	114	This code also includes SHA-384, a 384 bit hash with 192 bits
	115	of security against collision attacks.
	116
	117	config CRYPTO_WP512
	118	tristate "Whirlpool digest algorithms"
cce9e06d	119	select CRYPTO_ALGAPI
1da177e4 LT	120	help
	121	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	122
	123	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	124	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	125
	126	See also:
	127	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	128
	129	config CRYPTO_TGR192
	130	tristate "Tiger digest algorithms"
cce9e06d	131	select CRYPTO_ALGAPI
1da177e4 LT	132	help
	133	Tiger hash algorithm 192, 160 and 128-bit hashes
	134
	135	Tiger is a hash function optimized for 64-bit processors while
	136	still having decent performance on 32-bit processors.
	137	Tiger was developed by Ross Anderson and Eli Biham.
	138
	139	See also:
	140	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	141
c494e070 RS	142	config CRYPTO_GF128MUL
	143	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	144	depends on EXPERIMENTAL
	145	help
	146	Efficient table driven implementation of multiplications in the
	147	field GF(2^128). This is needed by some cypher modes. This
	148	option will be selected automatically if you select such a
	149	cipher mode. Only select this option by hand if you expect to load
	150	an external module that requires these functions.
	151
db131ef9 HX	152	config CRYPTO_ECB
	153	tristate "ECB support"
	154	select CRYPTO_BLKCIPHER
43518407	155	select CRYPTO_MANAGER
db131ef9 HX	156	help
	157	ECB: Electronic CodeBook mode
	158	This is the simplest block cipher algorithm. It simply encrypts
	159	the input block by block.
	160
	161	config CRYPTO_CBC
	162	tristate "CBC support"
	163	select CRYPTO_BLKCIPHER
43518407	164	select CRYPTO_MANAGER
db131ef9 HX	165	help
	166	CBC: Cipher Block Chaining mode
	167	This block cipher algorithm is required for IPSec.
	168
91652be5 DH	169	config CRYPTO_PCBC
	170	tristate "PCBC support"
	171	select CRYPTO_BLKCIPHER
	172	select CRYPTO_MANAGER
91652be5 DH	173	help
	174	PCBC: Propagating Cipher Block Chaining mode
	175	This block cipher algorithm is required for RxRPC.
	176
64470f1b RS	177	config CRYPTO_LRW
	178	tristate "LRW support (EXPERIMENTAL)"
	179	depends on EXPERIMENTAL
	180	select CRYPTO_BLKCIPHER
	181	select CRYPTO_MANAGER
	182	select CRYPTO_GF128MUL
	183	help
	184	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	185	narrow block cipher mode for dm-crypt. Use it with cipher
	186	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	187	The first 128, 192 or 256 bits in the key are used for AES and the
	188	rest is used to tie each cipher block to its logical position.
	189
f19f5111 RS	190	config CRYPTO_XTS
	191	tristate "XTS support (EXPERIMENTAL)"
	192	depends on EXPERIMENTAL
	193	select CRYPTO_BLKCIPHER
	194	select CRYPTO_MANAGER
	195	select CRYPTO_GF128MUL
	196	help
	197	XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
	198	key size 256, 384 or 512 bits. This implementation currently
	199	can't handle a sectorsize which is not a multiple of 16 bytes.
	200
23e353c8 JL	201	config CRYPTO_CTR
	202	tristate "CTR support"
	203	select CRYPTO_BLKCIPHER
	204	select CRYPTO_MANAGER
23e353c8 JL	205	help
	206	CTR: Counter mode
	207	This block cipher algorithm is required for IPSec.
	208
124b53d0 HX	209	config CRYPTO_CRYPTD
	210	tristate "Software async crypto daemon"
	211	select CRYPTO_ABLKCIPHER
	212	select CRYPTO_MANAGER
	213	help
	214	This is a generic software asynchronous crypto daemon that
	215	converts an arbitrary synchronous software crypto algorithm
	216	into an asynchronous algorithm that executes in a kernel thread.
	217
1da177e4 LT	218	config CRYPTO_DES
1da177e4 LT	219	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	220	select CRYPTO_ALGAPI
1da177e4 LT	221	help
	222	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	223
90831639 DH	224	config CRYPTO_FCRYPT
	225	tristate "FCrypt cipher algorithm"
	226	select CRYPTO_ALGAPI
	227	select CRYPTO_BLKCIPHER
	228	help
	229	FCrypt algorithm used by RxRPC.
	230
1da177e4 LT	231	config CRYPTO_BLOWFISH
1da177e4 LT	232	tristate "Blowfish cipher algorithm"
cce9e06d	233	select CRYPTO_ALGAPI
1da177e4 LT	234	help
	235	Blowfish cipher algorithm, by Bruce Schneier.
	236
	237	This is a variable key length cipher which can use keys from 32
	238	bits to 448 bits in length. It's fast, simple and specifically
	239	designed for use on "large microprocessors".
	240
	241	See also:
	242	<http://www.schneier.com/blowfish.html>
	243
	244	config CRYPTO_TWOFISH
	245	tristate "Twofish cipher algorithm"
cce9e06d	246	select CRYPTO_ALGAPI
2729bb42	247	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	248	help
	249	Twofish cipher algorithm.
	250
	251	Twofish was submitted as an AES (Advanced Encryption Standard)
	252	candidate cipher by researchers at CounterPane Systems. It is a
	253	16 round block cipher supporting key sizes of 128, 192, and 256
	254	bits.
	255
	256	See also:
	257	<http://www.schneier.com/twofish.html>
	258
2729bb42 JF	259	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	260	tristate
2729bb42 JF	261	help
	262	Common parts of the Twofish cipher algorithm shared by the
	263	generic c and the assembler implementations.
	264
b9f535ff JF	265	config CRYPTO_TWOFISH_586
b9f535ff JF	266	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	267	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	268	select CRYPTO_ALGAPI
b9f535ff JF	269	select CRYPTO_TWOFISH_COMMON
	270	help
	271	Twofish cipher algorithm.
	272
	273	Twofish was submitted as an AES (Advanced Encryption Standard)
	274	candidate cipher by researchers at CounterPane Systems. It is a
	275	16 round block cipher supporting key sizes of 128, 192, and 256
	276	bits.
	277
	278	See also:
	279	<http://www.schneier.com/twofish.html>
	280
eaf44088 JF	281	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	282	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	283	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	284	select CRYPTO_ALGAPI
eaf44088 JF	285	select CRYPTO_TWOFISH_COMMON
	286	help
	287	Twofish cipher algorithm (x86_64).
	288
	289	Twofish was submitted as an AES (Advanced Encryption Standard)
	290	candidate cipher by researchers at CounterPane Systems. It is a
	291	16 round block cipher supporting key sizes of 128, 192, and 256
	292	bits.
	293
	294	See also:
	295	<http://www.schneier.com/twofish.html>
	296
1da177e4 LT	297	config CRYPTO_SERPENT
1da177e4 LT	298	tristate "Serpent cipher algorithm"
cce9e06d	299	select CRYPTO_ALGAPI
1da177e4 LT	300	help
	301	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	302
	303	Keys are allowed to be from 0 to 256 bits in length, in steps
	304	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	305	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	306
	307	See also:
	308	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	309
	310	config CRYPTO_AES
	311	tristate "AES cipher algorithms"
cce9e06d	312	select CRYPTO_ALGAPI
1da177e4 LT	313	help
	314	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	315	algorithm.
	316
	317	Rijndael appears to be consistently a very good performer in
	318	both hardware and software across a wide range of computing
	319	environments regardless of its use in feedback or non-feedback
	320	modes. Its key setup time is excellent, and its key agility is
	321	good. Rijndael's very low memory requirements make it very well
	322	suited for restricted-space environments, in which it also
	323	demonstrates excellent performance. Rijndael's operations are
	324	among the easiest to defend against power and timing attacks.
	325
	326	The AES specifies three key sizes: 128, 192 and 256 bits
	327
	328	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	329
	330	config CRYPTO_AES_586
	331	tristate "AES cipher algorithms (i586)"
cce9e06d HX	332	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	333	select CRYPTO_ALGAPI
5157dea8	334	select CRYPTO_AES
1da177e4 LT	335	help
	336	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	337	algorithm.
	338
	339	Rijndael appears to be consistently a very good performer in
	340	both hardware and software across a wide range of computing
	341	environments regardless of its use in feedback or non-feedback
	342	modes. Its key setup time is excellent, and its key agility is
	343	good. Rijndael's very low memory requirements make it very well
	344	suited for restricted-space environments, in which it also
	345	demonstrates excellent performance. Rijndael's operations are
	346	among the easiest to defend against power and timing attacks.
	347
	348	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	349
	350	See <http://csrc.nist.gov/encryption/aes/> for more information.
	351
	352	config CRYPTO_AES_X86_64
	353	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	354	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	355	select CRYPTO_ALGAPI
81190b32	356	select CRYPTO_AES
a2a892a2 AS	357	help
	358	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	359	algorithm.
	360
	361	Rijndael appears to be consistently a very good performer in
	362	both hardware and software across a wide range of computing
	363	environments regardless of its use in feedback or non-feedback
	364	modes. Its key setup time is excellent, and its key agility is
	365	good. Rijndael's very low memory requirements make it very well
	366	suited for restricted-space environments, in which it also
	367	demonstrates excellent performance. Rijndael's operations are
	368	among the easiest to defend against power and timing attacks.
	369
	370	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	371
	372	See <http://csrc.nist.gov/encryption/aes/> for more information.
	373
	374	config CRYPTO_CAST5
	375	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	376	select CRYPTO_ALGAPI
1da177e4 LT	377	help
	378	The CAST5 encryption algorithm (synonymous with CAST-128) is
	379	described in RFC2144.
	380
	381	config CRYPTO_CAST6
	382	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	383	select CRYPTO_ALGAPI
1da177e4 LT	384	help
	385	The CAST6 encryption algorithm (synonymous with CAST-256) is
	386	described in RFC2612.
	387
	388	config CRYPTO_TEA
fb4f10ed	389	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	390	select CRYPTO_ALGAPI
1da177e4 LT	391	help
	392	TEA cipher algorithm.
	393
	394	Tiny Encryption Algorithm is a simple cipher that uses
	395	many rounds for security. It is very fast and uses
	396	little memory.
	397
	398	Xtendend Tiny Encryption Algorithm is a modification to
	399	the TEA algorithm to address a potential key weakness
	400	in the TEA algorithm.
	401
fb4f10ed AG	402	Xtendend Encryption Tiny Algorithm is a mis-implementation
	403	of the XTEA algorithm for compatibility purposes.
	404
1da177e4 LT	405	config CRYPTO_ARC4
1da177e4 LT	406	tristate "ARC4 cipher algorithm"
cce9e06d	407	select CRYPTO_ALGAPI
1da177e4 LT	408	help
	409	ARC4 cipher algorithm.
	410
	411	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	412	bits in length. This algorithm is required for driver-based
	413	WEP, but it should not be for other purposes because of the
	414	weakness of the algorithm.
	415
	416	config CRYPTO_KHAZAD
	417	tristate "Khazad cipher algorithm"
cce9e06d	418	select CRYPTO_ALGAPI
1da177e4 LT	419	help
	420	Khazad cipher algorithm.
	421
	422	Khazad was a finalist in the initial NESSIE competition. It is
	423	an algorithm optimized for 64-bit processors with good performance
	424	on 32-bit processors. Khazad uses an 128 bit key size.
	425
	426	See also:
	427	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	428
	429	config CRYPTO_ANUBIS
	430	tristate "Anubis cipher algorithm"
cce9e06d	431	select CRYPTO_ALGAPI
1da177e4 LT	432	help
	433	Anubis cipher algorithm.
	434
	435	Anubis is a variable key length cipher which can use keys from
	436	128 bits to 320 bits in length. It was evaluated as a entrant
	437	in the NESSIE competition.
	438
	439	See also:
	440	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	441	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	442
e2ee95b8 HSC	443	config CRYPTO_SEED
	444	tristate "SEED cipher algorithm"
	445	select CRYPTO_ALGAPI
	446	help
	447	SEED cipher algorithm (RFC4269).
	448
	449	SEED is a 128-bit symmetric key block cipher that has been
	450	developed by KISA (Korea Information Security Agency) as a
	451	national standard encryption algorithm of the Republic of Korea.
	452	It is a 16 round block cipher with the key size of 128 bit.
	453
	454	See also:
	455	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	456
1da177e4 LT	457
	458	config CRYPTO_DEFLATE
	459	tristate "Deflate compression algorithm"
cce9e06d	460	select CRYPTO_ALGAPI
1da177e4 LT	461	select ZLIB_INFLATE
	462	select ZLIB_DEFLATE
	463	help
	464	This is the Deflate algorithm (RFC1951), specified for use in
	465	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	466
	467	You will most probably want this if using IPSec.
	468
	469	config CRYPTO_MICHAEL_MIC
	470	tristate "Michael MIC keyed digest algorithm"
cce9e06d	471	select CRYPTO_ALGAPI
1da177e4 LT	472	help
	473	Michael MIC is used for message integrity protection in TKIP
	474	(IEEE 802.11i). This algorithm is required for TKIP, but it
	475	should not be used for other purposes because of the weakness
	476	of the algorithm.
	477
	478	config CRYPTO_CRC32C
	479	tristate "CRC32c CRC algorithm"
cce9e06d	480	select CRYPTO_ALGAPI
1da177e4 LT	481	select LIBCRC32C
	482	help
	483	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	484	by iSCSI for header and data digests and by others.
	485	See Castagnoli93. This implementation uses lib/libcrc32c.
	486	Module will be crc32c.
	487
04ac7db3 NT	488	config CRYPTO_CAMELLIA
	489	tristate "Camellia cipher algorithms"
	490	depends on CRYPTO
	491	select CRYPTO_ALGAPI
	492	help
	493	Camellia cipher algorithms module.
	494
	495	Camellia is a symmetric key block cipher developed jointly
	496	at NTT and Mitsubishi Electric Corporation.
	497
	498	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	499
	500	See also:
	501	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	502
1da177e4 LT	503	config CRYPTO_TEST
1da177e4 LT	504	tristate "Testing module"
cce9e06d HX	505	depends on m
cce9e06d HX	506	select CRYPTO_ALGAPI
1da177e4 LT	507	help
	508	Quick & dirty crypto test module.
	509
3c09f17c HX	510	config CRYPTO_AUTHENC
	511	tristate "Authenc support"
	512	select CRYPTO_AEAD
	513	select CRYPTO_MANAGER
	514	help
	515	Authenc: Combined mode wrapper for IPsec.
	516	This is required for IPSec.
	517
1da177e4	518	source "drivers/crypto/Kconfig"
1da177e4	519
cce9e06d	520	endif # if CRYPTO