[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
	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 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
23e353c8 JL	202	help
	203	CTR: Counter mode
	204	This block cipher algorithm is required for IPSec.
	205
124b53d0 HX	206	config CRYPTO_CRYPTD
	207	tristate "Software async crypto daemon"
	208	select CRYPTO_ABLKCIPHER
	209	select CRYPTO_MANAGER
	210	help
	211	This is a generic software asynchronous crypto daemon that
	212	converts an arbitrary synchronous software crypto algorithm
	213	into an asynchronous algorithm that executes in a kernel thread.
	214
1da177e4 LT	215	config CRYPTO_DES
1da177e4 LT	216	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	217	select CRYPTO_ALGAPI
1da177e4 LT	218	help
	219	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	220
90831639 DH	221	config CRYPTO_FCRYPT
	222	tristate "FCrypt cipher algorithm"
	223	select CRYPTO_ALGAPI
	224	select CRYPTO_BLKCIPHER
	225	help
	226	FCrypt algorithm used by RxRPC.
	227
1da177e4 LT	228	config CRYPTO_BLOWFISH
1da177e4 LT	229	tristate "Blowfish cipher algorithm"
cce9e06d	230	select CRYPTO_ALGAPI
1da177e4 LT	231	help
	232	Blowfish cipher algorithm, by Bruce Schneier.
	233
	234	This is a variable key length cipher which can use keys from 32
	235	bits to 448 bits in length. It's fast, simple and specifically
	236	designed for use on "large microprocessors".
	237
	238	See also:
	239	<http://www.schneier.com/blowfish.html>
	240
	241	config CRYPTO_TWOFISH
	242	tristate "Twofish cipher algorithm"
cce9e06d	243	select CRYPTO_ALGAPI
2729bb42	244	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	245	help
	246	Twofish cipher algorithm.
	247
	248	Twofish was submitted as an AES (Advanced Encryption Standard)
	249	candidate cipher by researchers at CounterPane Systems. It is a
	250	16 round block cipher supporting key sizes of 128, 192, and 256
	251	bits.
	252
	253	See also:
	254	<http://www.schneier.com/twofish.html>
	255
2729bb42 JF	256	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	257	tristate
2729bb42 JF	258	help
	259	Common parts of the Twofish cipher algorithm shared by the
	260	generic c and the assembler implementations.
	261
b9f535ff JF	262	config CRYPTO_TWOFISH_586
b9f535ff JF	263	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	264	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	265	select CRYPTO_ALGAPI
b9f535ff JF	266	select CRYPTO_TWOFISH_COMMON
	267	help
	268	Twofish cipher algorithm.
	269
	270	Twofish was submitted as an AES (Advanced Encryption Standard)
	271	candidate cipher by researchers at CounterPane Systems. It is a
	272	16 round block cipher supporting key sizes of 128, 192, and 256
	273	bits.
	274
	275	See also:
	276	<http://www.schneier.com/twofish.html>
	277
eaf44088 JF	278	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	279	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	280	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	281	select CRYPTO_ALGAPI
eaf44088 JF	282	select CRYPTO_TWOFISH_COMMON
	283	help
	284	Twofish cipher algorithm (x86_64).
	285
	286	Twofish was submitted as an AES (Advanced Encryption Standard)
	287	candidate cipher by researchers at CounterPane Systems. It is a
	288	16 round block cipher supporting key sizes of 128, 192, and 256
	289	bits.
	290
	291	See also:
	292	<http://www.schneier.com/twofish.html>
	293
1da177e4 LT	294	config CRYPTO_SERPENT
1da177e4 LT	295	tristate "Serpent cipher algorithm"
cce9e06d	296	select CRYPTO_ALGAPI
1da177e4 LT	297	help
	298	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	299
	300	Keys are allowed to be from 0 to 256 bits in length, in steps
	301	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	302	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	303
	304	See also:
	305	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	306
	307	config CRYPTO_AES
	308	tristate "AES cipher algorithms"
cce9e06d	309	select CRYPTO_ALGAPI
1da177e4 LT	310	help
	311	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	312	algorithm.
	313
	314	Rijndael appears to be consistently a very good performer in
	315	both hardware and software across a wide range of computing
	316	environments regardless of its use in feedback or non-feedback
	317	modes. Its key setup time is excellent, and its key agility is
	318	good. Rijndael's very low memory requirements make it very well
	319	suited for restricted-space environments, in which it also
	320	demonstrates excellent performance. Rijndael's operations are
	321	among the easiest to defend against power and timing attacks.
	322
	323	The AES specifies three key sizes: 128, 192 and 256 bits
	324
	325	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	326
	327	config CRYPTO_AES_586
	328	tristate "AES cipher algorithms (i586)"
cce9e06d HX	329	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	330	select CRYPTO_ALGAPI
5157dea8	331	select CRYPTO_AES
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
81190b32	353	select CRYPTO_AES
a2a892a2 AS	354	help
	355	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	356	algorithm.
	357
	358	Rijndael appears to be consistently a very good performer in
	359	both hardware and software across a wide range of computing
	360	environments regardless of its use in feedback or non-feedback
	361	modes. Its key setup time is excellent, and its key agility is
	362	good. Rijndael's very low memory requirements make it very well
	363	suited for restricted-space environments, in which it also
	364	demonstrates excellent performance. Rijndael's operations are
	365	among the easiest to defend against power and timing attacks.
	366
	367	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	368
	369	See <http://csrc.nist.gov/encryption/aes/> for more information.
	370
	371	config CRYPTO_CAST5
	372	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	373	select CRYPTO_ALGAPI
1da177e4 LT	374	help
	375	The CAST5 encryption algorithm (synonymous with CAST-128) is
	376	described in RFC2144.
	377
	378	config CRYPTO_CAST6
	379	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	380	select CRYPTO_ALGAPI
1da177e4 LT	381	help
	382	The CAST6 encryption algorithm (synonymous with CAST-256) is
	383	described in RFC2612.
	384
	385	config CRYPTO_TEA
fb4f10ed	386	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	387	select CRYPTO_ALGAPI
1da177e4 LT	388	help
	389	TEA cipher algorithm.
	390
	391	Tiny Encryption Algorithm is a simple cipher that uses
	392	many rounds for security. It is very fast and uses
	393	little memory.
	394
	395	Xtendend Tiny Encryption Algorithm is a modification to
	396	the TEA algorithm to address a potential key weakness
	397	in the TEA algorithm.
	398
fb4f10ed AG	399	Xtendend Encryption Tiny Algorithm is a mis-implementation
	400	of the XTEA algorithm for compatibility purposes.
	401
1da177e4 LT	402	config CRYPTO_ARC4
1da177e4 LT	403	tristate "ARC4 cipher algorithm"
cce9e06d	404	select CRYPTO_ALGAPI
1da177e4 LT	405	help
	406	ARC4 cipher algorithm.
	407
	408	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	409	bits in length. This algorithm is required for driver-based
	410	WEP, but it should not be for other purposes because of the
	411	weakness of the algorithm.
	412
	413	config CRYPTO_KHAZAD
	414	tristate "Khazad cipher algorithm"
cce9e06d	415	select CRYPTO_ALGAPI
1da177e4 LT	416	help
	417	Khazad cipher algorithm.
	418
	419	Khazad was a finalist in the initial NESSIE competition. It is
	420	an algorithm optimized for 64-bit processors with good performance
	421	on 32-bit processors. Khazad uses an 128 bit key size.
	422
	423	See also:
	424	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	425
	426	config CRYPTO_ANUBIS
	427	tristate "Anubis cipher algorithm"
cce9e06d	428	select CRYPTO_ALGAPI
1da177e4 LT	429	help
	430	Anubis cipher algorithm.
	431
	432	Anubis is a variable key length cipher which can use keys from
	433	128 bits to 320 bits in length. It was evaluated as a entrant
	434	in the NESSIE competition.
	435
	436	See also:
	437	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	438	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	439
e2ee95b8 HSC	440	config CRYPTO_SEED
	441	tristate "SEED cipher algorithm"
	442	select CRYPTO_ALGAPI
	443	help
	444	SEED cipher algorithm (RFC4269).
	445
	446	SEED is a 128-bit symmetric key block cipher that has been
	447	developed by KISA (Korea Information Security Agency) as a
	448	national standard encryption algorithm of the Republic of Korea.
	449	It is a 16 round block cipher with the key size of 128 bit.
	450
	451	See also:
	452	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	453
1da177e4 LT	454
	455	config CRYPTO_DEFLATE
	456	tristate "Deflate compression algorithm"
cce9e06d	457	select CRYPTO_ALGAPI
1da177e4 LT	458	select ZLIB_INFLATE
	459	select ZLIB_DEFLATE
	460	help
	461	This is the Deflate algorithm (RFC1951), specified for use in
	462	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	463
	464	You will most probably want this if using IPSec.
	465
	466	config CRYPTO_MICHAEL_MIC
	467	tristate "Michael MIC keyed digest algorithm"
cce9e06d	468	select CRYPTO_ALGAPI
1da177e4 LT	469	help
	470	Michael MIC is used for message integrity protection in TKIP
	471	(IEEE 802.11i). This algorithm is required for TKIP, but it
	472	should not be used for other purposes because of the weakness
	473	of the algorithm.
	474
	475	config CRYPTO_CRC32C
	476	tristate "CRC32c CRC algorithm"
cce9e06d	477	select CRYPTO_ALGAPI
1da177e4 LT	478	select LIBCRC32C
	479	help
	480	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	481	by iSCSI for header and data digests and by others.
	482	See Castagnoli93. This implementation uses lib/libcrc32c.
	483	Module will be crc32c.
	484
04ac7db3 NT	485	config CRYPTO_CAMELLIA
	486	tristate "Camellia cipher algorithms"
	487	depends on CRYPTO
	488	select CRYPTO_ALGAPI
	489	help
	490	Camellia cipher algorithms module.
	491
	492	Camellia is a symmetric key block cipher developed jointly
	493	at NTT and Mitsubishi Electric Corporation.
	494
	495	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	496
	497	See also:
	498	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	499
1da177e4 LT	500	config CRYPTO_TEST
1da177e4 LT	501	tristate "Testing module"
cce9e06d HX	502	depends on m
cce9e06d HX	503	select CRYPTO_ALGAPI
1da177e4 LT	504	help
	505	Quick & dirty crypto test module.
	506
3c09f17c HX	507	config CRYPTO_AUTHENC
	508	tristate "Authenc support"
	509	select CRYPTO_AEAD
	510	select CRYPTO_MANAGER
	511	help
	512	Authenc: Combined mode wrapper for IPsec.
	513	This is required for IPSec.
	514
1da177e4	515	source "drivers/crypto/Kconfig"
1da177e4	516
cce9e06d	517	endif # if CRYPTO