[deliverable/linux.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_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_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
055bcee3 HX	35	config CRYPTO_HASH
	36	tristate
	37	select CRYPTO_ALGAPI
	38
2b8c19db HX	39	config CRYPTO_MANAGER
	40	tristate "Cryptographic algorithm manager"
	41	select CRYPTO_ALGAPI
2b8c19db HX	42	help
	43	Create default cryptographic template instantiations such as
	44	cbc(aes).
	45
1da177e4	46	config CRYPTO_HMAC
8425165d	47	tristate "HMAC support"
0796ae06	48	select CRYPTO_HASH
43518407	49	select CRYPTO_MANAGER
1da177e4 LT	50	help
	51	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	52	This is required for IPSec.
	53
333b0d7e KM	54	config CRYPTO_XCBC
	55	tristate "XCBC support"
	56	depends on EXPERIMENTAL
	57	select CRYPTO_HASH
	58	select CRYPTO_MANAGER
	59	help
	60	XCBC: Keyed-Hashing with encryption algorithm
	61	http://www.ietf.org/rfc/rfc3566.txt
	62	http://csrc.nist.gov/encryption/modes/proposedmodes/
	63	xcbc-mac/xcbc-mac-spec.pdf
	64
1da177e4 LT	65	config CRYPTO_NULL
1da177e4 LT	66	tristate "Null algorithms"
cce9e06d	67	select CRYPTO_ALGAPI
1da177e4 LT	68	help
	69	These are 'Null' algorithms, used by IPsec, which do nothing.
	70
	71	config CRYPTO_MD4
	72	tristate "MD4 digest algorithm"
cce9e06d	73	select CRYPTO_ALGAPI
1da177e4 LT	74	help
	75	MD4 message digest algorithm (RFC1320).
	76
	77	config CRYPTO_MD5
	78	tristate "MD5 digest algorithm"
cce9e06d	79	select CRYPTO_ALGAPI
1da177e4 LT	80	help
	81	MD5 message digest algorithm (RFC1321).
	82
	83	config CRYPTO_SHA1
	84	tristate "SHA1 digest algorithm"
cce9e06d	85	select CRYPTO_ALGAPI
1da177e4 LT	86	help
	87	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	88
1da177e4	89	config CRYPTO_SHA256
cd12fb90	90	tristate "SHA224 and SHA256 digest algorithm"
cce9e06d	91	select CRYPTO_ALGAPI
1da177e4 LT	92	help
	93	SHA256 secure hash standard (DFIPS 180-2).
	94
	95	This version of SHA implements a 256 bit hash with 128 bits of
	96	security against collision attacks.
	97
cd12fb90 JL	98	This code also includes SHA-224, a 224 bit hash with 112 bits
	99	of security against collision attacks.
	100
1da177e4 LT	101	config CRYPTO_SHA512
1da177e4 LT	102	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	103	select CRYPTO_ALGAPI
1da177e4 LT	104	help
	105	SHA512 secure hash standard (DFIPS 180-2).
	106
	107	This version of SHA implements a 512 bit hash with 256 bits of
	108	security against collision attacks.
	109
	110	This code also includes SHA-384, a 384 bit hash with 192 bits
	111	of security against collision attacks.
	112
	113	config CRYPTO_WP512
	114	tristate "Whirlpool digest algorithms"
cce9e06d	115	select CRYPTO_ALGAPI
1da177e4 LT	116	help
	117	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	118
	119	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	120	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	121
	122	See also:
	123	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	124
	125	config CRYPTO_TGR192
	126	tristate "Tiger digest algorithms"
cce9e06d	127	select CRYPTO_ALGAPI
1da177e4 LT	128	help
	129	Tiger hash algorithm 192, 160 and 128-bit hashes
	130
	131	Tiger is a hash function optimized for 64-bit processors while
	132	still having decent performance on 32-bit processors.
	133	Tiger was developed by Ross Anderson and Eli Biham.
	134
	135	See also:
	136	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	137
c494e070 RS	138	config CRYPTO_GF128MUL
	139	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	140	depends on EXPERIMENTAL
	141	help
	142	Efficient table driven implementation of multiplications in the
	143	field GF(2^128). This is needed by some cypher modes. This
	144	option will be selected automatically if you select such a
	145	cipher mode. Only select this option by hand if you expect to load
	146	an external module that requires these functions.
	147
db131ef9 HX	148	config CRYPTO_ECB
	149	tristate "ECB support"
	150	select CRYPTO_BLKCIPHER
43518407	151	select CRYPTO_MANAGER
db131ef9 HX	152	help
	153	ECB: Electronic CodeBook mode
	154	This is the simplest block cipher algorithm. It simply encrypts
	155	the input block by block.
	156
	157	config CRYPTO_CBC
	158	tristate "CBC support"
	159	select CRYPTO_BLKCIPHER
43518407	160	select CRYPTO_MANAGER
db131ef9 HX	161	help
	162	CBC: Cipher Block Chaining mode
	163	This block cipher algorithm is required for IPSec.
	164
91652be5 DH	165	config CRYPTO_PCBC
	166	tristate "PCBC support"
	167	select CRYPTO_BLKCIPHER
	168	select CRYPTO_MANAGER
91652be5 DH	169	help
	170	PCBC: Propagating Cipher Block Chaining mode
	171	This block cipher algorithm is required for RxRPC.
	172
64470f1b RS	173	config CRYPTO_LRW
	174	tristate "LRW support (EXPERIMENTAL)"
	175	depends on EXPERIMENTAL
	176	select CRYPTO_BLKCIPHER
	177	select CRYPTO_MANAGER
	178	select CRYPTO_GF128MUL
	179	help
	180	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	181	narrow block cipher mode for dm-crypt. Use it with cipher
	182	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	183	The first 128, 192 or 256 bits in the key are used for AES and the
	184	rest is used to tie each cipher block to its logical position.
	185
f19f5111 RS	186	config CRYPTO_XTS
	187	tristate "XTS support (EXPERIMENTAL)"
	188	depends on EXPERIMENTAL
	189	select CRYPTO_BLKCIPHER
	190	select CRYPTO_MANAGER
	191	select CRYPTO_GF128MUL
	192	help
	193	XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
	194	key size 256, 384 or 512 bits. This implementation currently
	195	can't handle a sectorsize which is not a multiple of 16 bytes.
	196
23e353c8 JL	197	config CRYPTO_CTR
	198	tristate "CTR support"
	199	select CRYPTO_BLKCIPHER
	200	select CRYPTO_MANAGER
23e353c8 JL	201	help
	202	CTR: Counter mode
	203	This block cipher algorithm is required for IPSec.
	204
28db8e3e MH	205	config CRYPTO_GCM
	206	tristate "GCM/GMAC support"
	207	select CRYPTO_CTR
	208	select CRYPTO_AEAD
	209	select CRYPTO_GF128MUL
	210	help
	211	Support for Galois/Counter Mode (GCM) and Galois Message
	212	Authentication Code (GMAC). Required for IPSec.
	213
124b53d0 HX	214	config CRYPTO_CRYPTD
124b53d0 HX	215	tristate "Software async crypto daemon"
653ebd9c	216	select CRYPTO_BLKCIPHER
124b53d0 HX	217	select CRYPTO_MANAGER
	218	help
	219	This is a generic software asynchronous crypto daemon that
	220	converts an arbitrary synchronous software crypto algorithm
	221	into an asynchronous algorithm that executes in a kernel thread.
	222
1da177e4 LT	223	config CRYPTO_DES
1da177e4 LT	224	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	225	select CRYPTO_ALGAPI
1da177e4 LT	226	help
	227	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	228
90831639 DH	229	config CRYPTO_FCRYPT
	230	tristate "FCrypt cipher algorithm"
	231	select CRYPTO_ALGAPI
	232	select CRYPTO_BLKCIPHER
	233	help
	234	FCrypt algorithm used by RxRPC.
	235
1da177e4 LT	236	config CRYPTO_BLOWFISH
1da177e4 LT	237	tristate "Blowfish cipher algorithm"
cce9e06d	238	select CRYPTO_ALGAPI
1da177e4 LT	239	help
	240	Blowfish cipher algorithm, by Bruce Schneier.
	241
	242	This is a variable key length cipher which can use keys from 32
	243	bits to 448 bits in length. It's fast, simple and specifically
	244	designed for use on "large microprocessors".
	245
	246	See also:
	247	<http://www.schneier.com/blowfish.html>
	248
	249	config CRYPTO_TWOFISH
	250	tristate "Twofish cipher algorithm"
cce9e06d	251	select CRYPTO_ALGAPI
2729bb42	252	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	253	help
	254	Twofish cipher algorithm.
	255
	256	Twofish was submitted as an AES (Advanced Encryption Standard)
	257	candidate cipher by researchers at CounterPane Systems. It is a
	258	16 round block cipher supporting key sizes of 128, 192, and 256
	259	bits.
	260
	261	See also:
	262	<http://www.schneier.com/twofish.html>
	263
2729bb42 JF	264	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	265	tristate
2729bb42 JF	266	help
	267	Common parts of the Twofish cipher algorithm shared by the
	268	generic c and the assembler implementations.
	269
b9f535ff JF	270	config CRYPTO_TWOFISH_586
b9f535ff JF	271	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	272	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	273	select CRYPTO_ALGAPI
b9f535ff JF	274	select CRYPTO_TWOFISH_COMMON
	275	help
	276	Twofish cipher algorithm.
	277
	278	Twofish was submitted as an AES (Advanced Encryption Standard)
	279	candidate cipher by researchers at CounterPane Systems. It is a
	280	16 round block cipher supporting key sizes of 128, 192, and 256
	281	bits.
	282
	283	See also:
	284	<http://www.schneier.com/twofish.html>
	285
eaf44088 JF	286	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	287	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	288	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	289	select CRYPTO_ALGAPI
eaf44088 JF	290	select CRYPTO_TWOFISH_COMMON
	291	help
	292	Twofish cipher algorithm (x86_64).
	293
	294	Twofish was submitted as an AES (Advanced Encryption Standard)
	295	candidate cipher by researchers at CounterPane Systems. It is a
	296	16 round block cipher supporting key sizes of 128, 192, and 256
	297	bits.
	298
	299	See also:
	300	<http://www.schneier.com/twofish.html>
	301
1da177e4 LT	302	config CRYPTO_SERPENT
1da177e4 LT	303	tristate "Serpent cipher algorithm"
cce9e06d	304	select CRYPTO_ALGAPI
1da177e4 LT	305	help
	306	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	307
	308	Keys are allowed to be from 0 to 256 bits in length, in steps
	309	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	310	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	311
	312	See also:
	313	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	314
	315	config CRYPTO_AES
	316	tristate "AES cipher algorithms"
cce9e06d	317	select CRYPTO_ALGAPI
1da177e4 LT	318	help
	319	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	320	algorithm.
	321
	322	Rijndael appears to be consistently a very good performer in
	323	both hardware and software across a wide range of computing
	324	environments regardless of its use in feedback or non-feedback
	325	modes. Its key setup time is excellent, and its key agility is
	326	good. Rijndael's very low memory requirements make it very well
	327	suited for restricted-space environments, in which it also
	328	demonstrates excellent performance. Rijndael's operations are
	329	among the easiest to defend against power and timing attacks.
	330
	331	The AES specifies three key sizes: 128, 192 and 256 bits
	332
	333	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	334
	335	config CRYPTO_AES_586
	336	tristate "AES cipher algorithms (i586)"
cce9e06d HX	337	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	338	select CRYPTO_ALGAPI
5157dea8	339	select CRYPTO_AES
1da177e4 LT	340	help
	341	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	342	algorithm.
	343
	344	Rijndael appears to be consistently a very good performer in
	345	both hardware and software across a wide range of computing
	346	environments regardless of its use in feedback or non-feedback
	347	modes. Its key setup time is excellent, and its key agility is
	348	good. Rijndael's very low memory requirements make it very well
	349	suited for restricted-space environments, in which it also
	350	demonstrates excellent performance. Rijndael's operations are
	351	among the easiest to defend against power and timing attacks.
	352
	353	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	354
	355	See <http://csrc.nist.gov/encryption/aes/> for more information.
	356
	357	config CRYPTO_AES_X86_64
	358	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	359	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	360	select CRYPTO_ALGAPI
81190b32	361	select CRYPTO_AES
a2a892a2 AS	362	help
	363	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	364	algorithm.
	365
	366	Rijndael appears to be consistently a very good performer in
	367	both hardware and software across a wide range of computing
	368	environments regardless of its use in feedback or non-feedback
	369	modes. Its key setup time is excellent, and its key agility is
	370	good. Rijndael's very low memory requirements make it very well
	371	suited for restricted-space environments, in which it also
	372	demonstrates excellent performance. Rijndael's operations are
	373	among the easiest to defend against power and timing attacks.
	374
	375	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	376
	377	See <http://csrc.nist.gov/encryption/aes/> for more information.
	378
	379	config CRYPTO_CAST5
	380	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	381	select CRYPTO_ALGAPI
1da177e4 LT	382	help
	383	The CAST5 encryption algorithm (synonymous with CAST-128) is
	384	described in RFC2144.
	385
	386	config CRYPTO_CAST6
	387	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	388	select CRYPTO_ALGAPI
1da177e4 LT	389	help
	390	The CAST6 encryption algorithm (synonymous with CAST-256) is
	391	described in RFC2612.
	392
	393	config CRYPTO_TEA
fb4f10ed	394	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	395	select CRYPTO_ALGAPI
1da177e4 LT	396	help
	397	TEA cipher algorithm.
	398
	399	Tiny Encryption Algorithm is a simple cipher that uses
	400	many rounds for security. It is very fast and uses
	401	little memory.
	402
	403	Xtendend Tiny Encryption Algorithm is a modification to
	404	the TEA algorithm to address a potential key weakness
	405	in the TEA algorithm.
	406
fb4f10ed AG	407	Xtendend Encryption Tiny Algorithm is a mis-implementation
	408	of the XTEA algorithm for compatibility purposes.
	409
1da177e4 LT	410	config CRYPTO_ARC4
1da177e4 LT	411	tristate "ARC4 cipher algorithm"
cce9e06d	412	select CRYPTO_ALGAPI
1da177e4 LT	413	help
	414	ARC4 cipher algorithm.
	415
	416	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	417	bits in length. This algorithm is required for driver-based
	418	WEP, but it should not be for other purposes because of the
	419	weakness of the algorithm.
	420
	421	config CRYPTO_KHAZAD
	422	tristate "Khazad cipher algorithm"
cce9e06d	423	select CRYPTO_ALGAPI
1da177e4 LT	424	help
	425	Khazad cipher algorithm.
	426
	427	Khazad was a finalist in the initial NESSIE competition. It is
	428	an algorithm optimized for 64-bit processors with good performance
	429	on 32-bit processors. Khazad uses an 128 bit key size.
	430
	431	See also:
	432	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	433
	434	config CRYPTO_ANUBIS
	435	tristate "Anubis cipher algorithm"
cce9e06d	436	select CRYPTO_ALGAPI
1da177e4 LT	437	help
	438	Anubis cipher algorithm.
	439
	440	Anubis is a variable key length cipher which can use keys from
	441	128 bits to 320 bits in length. It was evaluated as a entrant
	442	in the NESSIE competition.
	443
	444	See also:
	445	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	446	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	447
e2ee95b8 HSC	448	config CRYPTO_SEED
	449	tristate "SEED cipher algorithm"
	450	select CRYPTO_ALGAPI
	451	help
	452	SEED cipher algorithm (RFC4269).
	453
	454	SEED is a 128-bit symmetric key block cipher that has been
	455	developed by KISA (Korea Information Security Agency) as a
	456	national standard encryption algorithm of the Republic of Korea.
	457	It is a 16 round block cipher with the key size of 128 bit.
	458
	459	See also:
	460	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	461
2407d608 TSH	462	config CRYPTO_SALSA20
	463	tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
	464	depends on EXPERIMENTAL
	465	select CRYPTO_BLKCIPHER
	466	help
	467	Salsa20 stream cipher algorithm.
	468
	469	Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	470	Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
	471
	472	The Salsa20 stream cipher algorithm is designed by Daniel J.
	473	Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
1da177e4 LT	474
	475	config CRYPTO_DEFLATE
	476	tristate "Deflate compression algorithm"
cce9e06d	477	select CRYPTO_ALGAPI
1da177e4 LT	478	select ZLIB_INFLATE
	479	select ZLIB_DEFLATE
	480	help
	481	This is the Deflate algorithm (RFC1951), specified for use in
	482	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	483
	484	You will most probably want this if using IPSec.
	485
	486	config CRYPTO_MICHAEL_MIC
	487	tristate "Michael MIC keyed digest algorithm"
cce9e06d	488	select CRYPTO_ALGAPI
1da177e4 LT	489	help
	490	Michael MIC is used for message integrity protection in TKIP
	491	(IEEE 802.11i). This algorithm is required for TKIP, but it
	492	should not be used for other purposes because of the weakness
	493	of the algorithm.
	494
	495	config CRYPTO_CRC32C
	496	tristate "CRC32c CRC algorithm"
cce9e06d	497	select CRYPTO_ALGAPI
1da177e4 LT	498	select LIBCRC32C
	499	help
	500	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	501	by iSCSI for header and data digests and by others.
	502	See Castagnoli93. This implementation uses lib/libcrc32c.
	503	Module will be crc32c.
	504
04ac7db3 NT	505	config CRYPTO_CAMELLIA
	506	tristate "Camellia cipher algorithms"
	507	depends on CRYPTO
	508	select CRYPTO_ALGAPI
	509	help
	510	Camellia cipher algorithms module.
	511
	512	Camellia is a symmetric key block cipher developed jointly
	513	at NTT and Mitsubishi Electric Corporation.
	514
	515	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	516
	517	See also:
	518	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	519
1da177e4 LT	520	config CRYPTO_TEST
1da177e4 LT	521	tristate "Testing module"
cce9e06d HX	522	depends on m
cce9e06d HX	523	select CRYPTO_ALGAPI
1da177e4 LT	524	help
	525	Quick & dirty crypto test module.
	526
3c09f17c HX	527	config CRYPTO_AUTHENC
	528	tristate "Authenc support"
	529	select CRYPTO_AEAD
	530	select CRYPTO_MANAGER
5e553110	531	select CRYPTO_HASH
3c09f17c HX	532	help
	533	Authenc: Combined mode wrapper for IPsec.
	534	This is required for IPSec.
	535
0b77abb3 ZS	536	config CRYPTO_LZO
	537	tristate "LZO compression algorithm"
	538	select CRYPTO_ALGAPI
	539	select LZO_COMPRESS
	540	select LZO_DECOMPRESS
	541	help
	542	This is the LZO algorithm.
	543
1da177e4	544	source "drivers/crypto/Kconfig"
1da177e4	545
cce9e06d	546	endif # if CRYPTO