[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_AEAD
	tristate
	select CRYPTO_ALGAPI

config CRYPTO_BLKCIPHER
	tristate
	select CRYPTO_ALGAPI

config CRYPTO_SEQIV
	tristate "Sequence Number IV Generator"
	select CRYPTO_BLKCIPHER
	help
	  This IV generator generates an IV based on a sequence number by
	  xoring it with a salt.  This algorithm is mainly useful for CTR
	  and similar modes.

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_SEQIV
	select CRYPTO_MANAGER
	help
	  CTR: Counter mode
	  This block cipher algorithm is required for IPSec.

config CRYPTO_GCM
	tristate "GCM/GMAC support"
	select CRYPTO_CTR
	select CRYPTO_AEAD
	select CRYPTO_GF128MUL
	help
	  Support for Galois/Counter Mode (GCM) and Galois Message
	  Authentication Code (GMAC). Required for IPSec.

config CRYPTO_CRYPTD
	tristate "Software async crypto daemon"
	select CRYPTO_BLKCIPHER
	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_SALSA20
	tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	select CRYPTO_BLKCIPHER
	help
	  Salsa20 stream cipher algorithm.

	  Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	  Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>

	  The Salsa20 stream cipher algorithm is designed by Daniel J.
	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>

config CRYPTO_DEFLATE
	tristate "Deflate compression algorithm"
	select CRYPTO_ALGAPI
	select ZLIB_INFLATE
	select ZLIB_DEFLATE
	help
	  This is the Deflate algorithm (RFC1951), specified for use in
	  IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	  
	  You will most probably want this if using IPSec.

config CRYPTO_MICHAEL_MIC
	tristate "Michael MIC keyed digest algorithm"
	select CRYPTO_ALGAPI
	help
	  Michael MIC is used for message integrity protection in TKIP
	  (IEEE 802.11i). This algorithm is required for TKIP, but it
	  should not be used for other purposes because of the weakness
	  of the algorithm.

config CRYPTO_CRC32C
	tristate "CRC32c CRC algorithm"
	select CRYPTO_ALGAPI
	select LIBCRC32C
	help
	  Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
	  by iSCSI for header and data digests and by others.
	  See Castagnoli93.  This implementation uses lib/libcrc32c.
          Module will be crc32c.

config CRYPTO_CAMELLIA
	tristate "Camellia cipher algorithms"
	depends on CRYPTO
	select CRYPTO_ALGAPI
	help
	  Camellia cipher algorithms module.

	  Camellia is a symmetric key block cipher developed jointly
	  at NTT and Mitsubishi Electric Corporation.

	  The Camellia specifies three key sizes: 128, 192 and 256 bits.

	  See also:
	  <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>

config CRYPTO_TEST
	tristate "Testing module"
	depends on m
	select CRYPTO_ALGAPI
	help
	  Quick & dirty crypto test module.

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

config CRYPTO_LZO
	tristate "LZO compression algorithm"
	select CRYPTO_ALGAPI
	select LZO_COMPRESS
	select LZO_DECOMPRESS
	help
	  This is the LZO algorithm.

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
1ae97820 HX	27	config CRYPTO_AEAD
	28	tristate
	29	select CRYPTO_ALGAPI
	30
5cde0af2 HX	31	config CRYPTO_BLKCIPHER
	32	tristate
	33	select CRYPTO_ALGAPI
	34
0a270321 HX	35	config CRYPTO_SEQIV
	36	tristate "Sequence Number IV Generator"
	37	select CRYPTO_BLKCIPHER
	38	help
	39	This IV generator generates an IV based on a sequence number by
	40	xoring it with a salt. This algorithm is mainly useful for CTR
	41	and similar modes.
	42
055bcee3 HX	43	config CRYPTO_HASH
	44	tristate
	45	select CRYPTO_ALGAPI
	46
2b8c19db HX	47	config CRYPTO_MANAGER
	48	tristate "Cryptographic algorithm manager"
	49	select CRYPTO_ALGAPI
2b8c19db HX	50	help
	51	Create default cryptographic template instantiations such as
	52	cbc(aes).
	53
1da177e4	54	config CRYPTO_HMAC
8425165d	55	tristate "HMAC support"
0796ae06	56	select CRYPTO_HASH
43518407	57	select CRYPTO_MANAGER
1da177e4 LT	58	help
	59	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	60	This is required for IPSec.
	61
333b0d7e KM	62	config CRYPTO_XCBC
	63	tristate "XCBC support"
	64	depends on EXPERIMENTAL
	65	select CRYPTO_HASH
	66	select CRYPTO_MANAGER
	67	help
	68	XCBC: Keyed-Hashing with encryption algorithm
	69	http://www.ietf.org/rfc/rfc3566.txt
	70	http://csrc.nist.gov/encryption/modes/proposedmodes/
	71	xcbc-mac/xcbc-mac-spec.pdf
	72
1da177e4 LT	73	config CRYPTO_NULL
1da177e4 LT	74	tristate "Null algorithms"
cce9e06d	75	select CRYPTO_ALGAPI
1da177e4 LT	76	help
	77	These are 'Null' algorithms, used by IPsec, which do nothing.
	78
	79	config CRYPTO_MD4
	80	tristate "MD4 digest algorithm"
cce9e06d	81	select CRYPTO_ALGAPI
1da177e4 LT	82	help
	83	MD4 message digest algorithm (RFC1320).
	84
	85	config CRYPTO_MD5
	86	tristate "MD5 digest algorithm"
cce9e06d	87	select CRYPTO_ALGAPI
1da177e4 LT	88	help
	89	MD5 message digest algorithm (RFC1321).
	90
	91	config CRYPTO_SHA1
	92	tristate "SHA1 digest algorithm"
cce9e06d	93	select CRYPTO_ALGAPI
1da177e4 LT	94	help
	95	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	96
1da177e4	97	config CRYPTO_SHA256
cd12fb90	98	tristate "SHA224 and SHA256 digest algorithm"
cce9e06d	99	select CRYPTO_ALGAPI
1da177e4 LT	100	help
	101	SHA256 secure hash standard (DFIPS 180-2).
	102
	103	This version of SHA implements a 256 bit hash with 128 bits of
	104	security against collision attacks.
	105
cd12fb90 JL	106	This code also includes SHA-224, a 224 bit hash with 112 bits
	107	of security against collision attacks.
	108
1da177e4 LT	109	config CRYPTO_SHA512
1da177e4 LT	110	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	111	select CRYPTO_ALGAPI
1da177e4 LT	112	help
	113	SHA512 secure hash standard (DFIPS 180-2).
	114
	115	This version of SHA implements a 512 bit hash with 256 bits of
	116	security against collision attacks.
	117
	118	This code also includes SHA-384, a 384 bit hash with 192 bits
	119	of security against collision attacks.
	120
	121	config CRYPTO_WP512
	122	tristate "Whirlpool digest algorithms"
cce9e06d	123	select CRYPTO_ALGAPI
1da177e4 LT	124	help
	125	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	126
	127	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	128	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	129
	130	See also:
	131	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	132
	133	config CRYPTO_TGR192
	134	tristate "Tiger digest algorithms"
cce9e06d	135	select CRYPTO_ALGAPI
1da177e4 LT	136	help
	137	Tiger hash algorithm 192, 160 and 128-bit hashes
	138
	139	Tiger is a hash function optimized for 64-bit processors while
	140	still having decent performance on 32-bit processors.
	141	Tiger was developed by Ross Anderson and Eli Biham.
	142
	143	See also:
	144	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	145
c494e070 RS	146	config CRYPTO_GF128MUL
	147	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	148	depends on EXPERIMENTAL
	149	help
	150	Efficient table driven implementation of multiplications in the
	151	field GF(2^128). This is needed by some cypher modes. This
	152	option will be selected automatically if you select such a
	153	cipher mode. Only select this option by hand if you expect to load
	154	an external module that requires these functions.
	155
db131ef9 HX	156	config CRYPTO_ECB
	157	tristate "ECB support"
	158	select CRYPTO_BLKCIPHER
43518407	159	select CRYPTO_MANAGER
db131ef9 HX	160	help
	161	ECB: Electronic CodeBook mode
	162	This is the simplest block cipher algorithm. It simply encrypts
	163	the input block by block.
	164
	165	config CRYPTO_CBC
	166	tristate "CBC support"
	167	select CRYPTO_BLKCIPHER
43518407	168	select CRYPTO_MANAGER
db131ef9 HX	169	help
	170	CBC: Cipher Block Chaining mode
	171	This block cipher algorithm is required for IPSec.
	172
91652be5 DH	173	config CRYPTO_PCBC
	174	tristate "PCBC support"
	175	select CRYPTO_BLKCIPHER
	176	select CRYPTO_MANAGER
91652be5 DH	177	help
	178	PCBC: Propagating Cipher Block Chaining mode
	179	This block cipher algorithm is required for RxRPC.
	180
64470f1b RS	181	config CRYPTO_LRW
	182	tristate "LRW support (EXPERIMENTAL)"
	183	depends on EXPERIMENTAL
	184	select CRYPTO_BLKCIPHER
	185	select CRYPTO_MANAGER
	186	select CRYPTO_GF128MUL
	187	help
	188	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	189	narrow block cipher mode for dm-crypt. Use it with cipher
	190	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	191	The first 128, 192 or 256 bits in the key are used for AES and the
	192	rest is used to tie each cipher block to its logical position.
	193
f19f5111 RS	194	config CRYPTO_XTS
	195	tristate "XTS support (EXPERIMENTAL)"
	196	depends on EXPERIMENTAL
	197	select CRYPTO_BLKCIPHER
	198	select CRYPTO_MANAGER
	199	select CRYPTO_GF128MUL
	200	help
	201	XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
	202	key size 256, 384 or 512 bits. This implementation currently
	203	can't handle a sectorsize which is not a multiple of 16 bytes.
	204
23e353c8 JL	205	config CRYPTO_CTR
	206	tristate "CTR support"
	207	select CRYPTO_BLKCIPHER
0a270321	208	select CRYPTO_SEQIV
23e353c8	209	select CRYPTO_MANAGER
23e353c8 JL	210	help
	211	CTR: Counter mode
	212	This block cipher algorithm is required for IPSec.
	213
28db8e3e MH	214	config CRYPTO_GCM
	215	tristate "GCM/GMAC support"
	216	select CRYPTO_CTR
	217	select CRYPTO_AEAD
	218	select CRYPTO_GF128MUL
	219	help
	220	Support for Galois/Counter Mode (GCM) and Galois Message
	221	Authentication Code (GMAC). Required for IPSec.
	222
124b53d0 HX	223	config CRYPTO_CRYPTD
124b53d0 HX	224	tristate "Software async crypto daemon"
653ebd9c	225	select CRYPTO_BLKCIPHER
124b53d0 HX	226	select CRYPTO_MANAGER
	227	help
	228	This is a generic software asynchronous crypto daemon that
	229	converts an arbitrary synchronous software crypto algorithm
	230	into an asynchronous algorithm that executes in a kernel thread.
	231
1da177e4 LT	232	config CRYPTO_DES
1da177e4 LT	233	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	234	select CRYPTO_ALGAPI
1da177e4 LT	235	help
	236	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	237
90831639 DH	238	config CRYPTO_FCRYPT
	239	tristate "FCrypt cipher algorithm"
	240	select CRYPTO_ALGAPI
	241	select CRYPTO_BLKCIPHER
	242	help
	243	FCrypt algorithm used by RxRPC.
	244
1da177e4 LT	245	config CRYPTO_BLOWFISH
1da177e4 LT	246	tristate "Blowfish cipher algorithm"
cce9e06d	247	select CRYPTO_ALGAPI
1da177e4 LT	248	help
	249	Blowfish cipher algorithm, by Bruce Schneier.
	250
	251	This is a variable key length cipher which can use keys from 32
	252	bits to 448 bits in length. It's fast, simple and specifically
	253	designed for use on "large microprocessors".
	254
	255	See also:
	256	<http://www.schneier.com/blowfish.html>
	257
	258	config CRYPTO_TWOFISH
	259	tristate "Twofish cipher algorithm"
cce9e06d	260	select CRYPTO_ALGAPI
2729bb42	261	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	262	help
	263	Twofish cipher algorithm.
	264
	265	Twofish was submitted as an AES (Advanced Encryption Standard)
	266	candidate cipher by researchers at CounterPane Systems. It is a
	267	16 round block cipher supporting key sizes of 128, 192, and 256
	268	bits.
	269
	270	See also:
	271	<http://www.schneier.com/twofish.html>
	272
2729bb42 JF	273	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	274	tristate
2729bb42 JF	275	help
	276	Common parts of the Twofish cipher algorithm shared by the
	277	generic c and the assembler implementations.
	278
b9f535ff JF	279	config CRYPTO_TWOFISH_586
b9f535ff JF	280	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	281	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	282	select CRYPTO_ALGAPI
b9f535ff JF	283	select CRYPTO_TWOFISH_COMMON
	284	help
	285	Twofish cipher algorithm.
	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
eaf44088 JF	295	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	296	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	297	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	298	select CRYPTO_ALGAPI
eaf44088 JF	299	select CRYPTO_TWOFISH_COMMON
	300	help
	301	Twofish cipher algorithm (x86_64).
	302
	303	Twofish was submitted as an AES (Advanced Encryption Standard)
	304	candidate cipher by researchers at CounterPane Systems. It is a
	305	16 round block cipher supporting key sizes of 128, 192, and 256
	306	bits.
	307
	308	See also:
	309	<http://www.schneier.com/twofish.html>
	310
1da177e4 LT	311	config CRYPTO_SERPENT
1da177e4 LT	312	tristate "Serpent cipher algorithm"
cce9e06d	313	select CRYPTO_ALGAPI
1da177e4 LT	314	help
	315	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	316
	317	Keys are allowed to be from 0 to 256 bits in length, in steps
	318	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	319	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	320
	321	See also:
	322	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	323
	324	config CRYPTO_AES
	325	tristate "AES cipher algorithms"
cce9e06d	326	select CRYPTO_ALGAPI
1da177e4 LT	327	help
	328	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	329	algorithm.
	330
	331	Rijndael appears to be consistently a very good performer in
	332	both hardware and software across a wide range of computing
	333	environments regardless of its use in feedback or non-feedback
	334	modes. Its key setup time is excellent, and its key agility is
	335	good. Rijndael's very low memory requirements make it very well
	336	suited for restricted-space environments, in which it also
	337	demonstrates excellent performance. Rijndael's operations are
	338	among the easiest to defend against power and timing attacks.
	339
	340	The AES specifies three key sizes: 128, 192 and 256 bits
	341
	342	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	343
	344	config CRYPTO_AES_586
	345	tristate "AES cipher algorithms (i586)"
cce9e06d HX	346	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	347	select CRYPTO_ALGAPI
5157dea8	348	select CRYPTO_AES
1da177e4 LT	349	help
	350	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	351	algorithm.
	352
	353	Rijndael appears to be consistently a very good performer in
	354	both hardware and software across a wide range of computing
	355	environments regardless of its use in feedback or non-feedback
	356	modes. Its key setup time is excellent, and its key agility is
	357	good. Rijndael's very low memory requirements make it very well
	358	suited for restricted-space environments, in which it also
	359	demonstrates excellent performance. Rijndael's operations are
	360	among the easiest to defend against power and timing attacks.
	361
	362	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	363
	364	See <http://csrc.nist.gov/encryption/aes/> for more information.
	365
	366	config CRYPTO_AES_X86_64
	367	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	368	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	369	select CRYPTO_ALGAPI
81190b32	370	select CRYPTO_AES
a2a892a2 AS	371	help
	372	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	373	algorithm.
	374
	375	Rijndael appears to be consistently a very good performer in
	376	both hardware and software across a wide range of computing
	377	environments regardless of its use in feedback or non-feedback
	378	modes. Its key setup time is excellent, and its key agility is
	379	good. Rijndael's very low memory requirements make it very well
	380	suited for restricted-space environments, in which it also
	381	demonstrates excellent performance. Rijndael's operations are
	382	among the easiest to defend against power and timing attacks.
	383
	384	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	385
	386	See <http://csrc.nist.gov/encryption/aes/> for more information.
	387
	388	config CRYPTO_CAST5
	389	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	390	select CRYPTO_ALGAPI
1da177e4 LT	391	help
	392	The CAST5 encryption algorithm (synonymous with CAST-128) is
	393	described in RFC2144.
	394
	395	config CRYPTO_CAST6
	396	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	397	select CRYPTO_ALGAPI
1da177e4 LT	398	help
	399	The CAST6 encryption algorithm (synonymous with CAST-256) is
	400	described in RFC2612.
	401
	402	config CRYPTO_TEA
fb4f10ed	403	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	404	select CRYPTO_ALGAPI
1da177e4 LT	405	help
	406	TEA cipher algorithm.
	407
	408	Tiny Encryption Algorithm is a simple cipher that uses
	409	many rounds for security. It is very fast and uses
	410	little memory.
	411
	412	Xtendend Tiny Encryption Algorithm is a modification to
	413	the TEA algorithm to address a potential key weakness
	414	in the TEA algorithm.
	415
fb4f10ed AG	416	Xtendend Encryption Tiny Algorithm is a mis-implementation
	417	of the XTEA algorithm for compatibility purposes.
	418
1da177e4 LT	419	config CRYPTO_ARC4
1da177e4 LT	420	tristate "ARC4 cipher algorithm"
cce9e06d	421	select CRYPTO_ALGAPI
1da177e4 LT	422	help
	423	ARC4 cipher algorithm.
	424
	425	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	426	bits in length. This algorithm is required for driver-based
	427	WEP, but it should not be for other purposes because of the
	428	weakness of the algorithm.
	429
	430	config CRYPTO_KHAZAD
	431	tristate "Khazad cipher algorithm"
cce9e06d	432	select CRYPTO_ALGAPI
1da177e4 LT	433	help
	434	Khazad cipher algorithm.
	435
	436	Khazad was a finalist in the initial NESSIE competition. It is
	437	an algorithm optimized for 64-bit processors with good performance
	438	on 32-bit processors. Khazad uses an 128 bit key size.
	439
	440	See also:
	441	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	442
	443	config CRYPTO_ANUBIS
	444	tristate "Anubis cipher algorithm"
cce9e06d	445	select CRYPTO_ALGAPI
1da177e4 LT	446	help
	447	Anubis cipher algorithm.
	448
	449	Anubis is a variable key length cipher which can use keys from
	450	128 bits to 320 bits in length. It was evaluated as a entrant
	451	in the NESSIE competition.
	452
	453	See also:
	454	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	455	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	456
e2ee95b8 HSC	457	config CRYPTO_SEED
	458	tristate "SEED cipher algorithm"
	459	select CRYPTO_ALGAPI
	460	help
	461	SEED cipher algorithm (RFC4269).
	462
	463	SEED is a 128-bit symmetric key block cipher that has been
	464	developed by KISA (Korea Information Security Agency) as a
	465	national standard encryption algorithm of the Republic of Korea.
	466	It is a 16 round block cipher with the key size of 128 bit.
	467
	468	See also:
	469	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	470
2407d608 TSH	471	config CRYPTO_SALSA20
	472	tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
	473	depends on EXPERIMENTAL
	474	select CRYPTO_BLKCIPHER
	475	help
	476	Salsa20 stream cipher algorithm.
	477
	478	Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	479	Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
	480
	481	The Salsa20 stream cipher algorithm is designed by Daniel J.
	482	Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
1da177e4 LT	483
	484	config CRYPTO_DEFLATE
	485	tristate "Deflate compression algorithm"
cce9e06d	486	select CRYPTO_ALGAPI
1da177e4 LT	487	select ZLIB_INFLATE
	488	select ZLIB_DEFLATE
	489	help
	490	This is the Deflate algorithm (RFC1951), specified for use in
	491	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	492
	493	You will most probably want this if using IPSec.
	494
	495	config CRYPTO_MICHAEL_MIC
	496	tristate "Michael MIC keyed digest algorithm"
cce9e06d	497	select CRYPTO_ALGAPI
1da177e4 LT	498	help
	499	Michael MIC is used for message integrity protection in TKIP
	500	(IEEE 802.11i). This algorithm is required for TKIP, but it
	501	should not be used for other purposes because of the weakness
	502	of the algorithm.
	503
	504	config CRYPTO_CRC32C
	505	tristate "CRC32c CRC algorithm"
cce9e06d	506	select CRYPTO_ALGAPI
1da177e4 LT	507	select LIBCRC32C
	508	help
	509	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	510	by iSCSI for header and data digests and by others.
	511	See Castagnoli93. This implementation uses lib/libcrc32c.
	512	Module will be crc32c.
	513
04ac7db3 NT	514	config CRYPTO_CAMELLIA
	515	tristate "Camellia cipher algorithms"
	516	depends on CRYPTO
	517	select CRYPTO_ALGAPI
	518	help
	519	Camellia cipher algorithms module.
	520
	521	Camellia is a symmetric key block cipher developed jointly
	522	at NTT and Mitsubishi Electric Corporation.
	523
	524	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	525
	526	See also:
	527	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	528
1da177e4 LT	529	config CRYPTO_TEST
1da177e4 LT	530	tristate "Testing module"
cce9e06d HX	531	depends on m
cce9e06d HX	532	select CRYPTO_ALGAPI
1da177e4 LT	533	help
	534	Quick & dirty crypto test module.
	535
3c09f17c HX	536	config CRYPTO_AUTHENC
	537	tristate "Authenc support"
	538	select CRYPTO_AEAD
	539	select CRYPTO_MANAGER
5e553110	540	select CRYPTO_HASH
3c09f17c HX	541	help
	542	Authenc: Combined mode wrapper for IPsec.
	543	This is required for IPSec.
	544
0b77abb3 ZS	545	config CRYPTO_LZO
	546	tristate "LZO compression algorithm"
	547	select CRYPTO_ALGAPI
	548	select LZO_COMPRESS
	549	select LZO_DECOMPRESS
	550	help
	551	This is the LZO algorithm.
	552
1da177e4	553	source "drivers/crypto/Kconfig"
1da177e4	554
cce9e06d	555	endif # if CRYPTO