[mirror_ubuntu-bionic-kernel.git] / crypto / Kconfig

#
# Generic algorithms support
#
config XOR_BLOCKS
	tristate

#
# async_tx api: hardware offloaded memory transfer/transform support
#
source "crypto/async_tx/Kconfig"

#
# Cryptographic API Configuration
#
menuconfig CRYPTO
	bool "Cryptographic API"
	help
	  This option provides the core Cryptographic API.

if CRYPTO

config CRYPTO_ALGAPI
	tristate
	help
	  This option provides the API for cryptographic algorithms.

config CRYPTO_ABLKCIPHER
	tristate
	select CRYPTO_BLKCIPHER

config CRYPTO_AEAD
	tristate
	select CRYPTO_ALGAPI

config CRYPTO_BLKCIPHER
	tristate
	select CRYPTO_ALGAPI

config CRYPTO_HASH
	tristate
	select CRYPTO_ALGAPI

config CRYPTO_MANAGER
	tristate "Cryptographic algorithm manager"
	select CRYPTO_ALGAPI
	help
	  Create default cryptographic template instantiations such as
	  cbc(aes).

config CRYPTO_HMAC
	tristate "HMAC support"
	select CRYPTO_HASH
	select CRYPTO_MANAGER
	help
	  HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	  This is required for IPSec.

config CRYPTO_XCBC
	tristate "XCBC support"
	depends on EXPERIMENTAL
	select CRYPTO_HASH
	select CRYPTO_MANAGER
	help
	  XCBC: Keyed-Hashing with encryption algorithm
		http://www.ietf.org/rfc/rfc3566.txt
		http://csrc.nist.gov/encryption/modes/proposedmodes/
		 xcbc-mac/xcbc-mac-spec.pdf

config CRYPTO_NULL
	tristate "Null algorithms"
	select CRYPTO_ALGAPI
	help
	  These are 'Null' algorithms, used by IPsec, which do nothing.

config CRYPTO_MD4
	tristate "MD4 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  MD4 message digest algorithm (RFC1320).

config CRYPTO_MD5
	tristate "MD5 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  MD5 message digest algorithm (RFC1321).

config CRYPTO_SHA1
	tristate "SHA1 digest algorithm"
	select CRYPTO_ALGAPI
	help
	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).

config CRYPTO_SHA256
	tristate "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_CRYPTD
	tristate "Software async crypto daemon"
	select CRYPTO_ABLKCIPHER
	select CRYPTO_MANAGER
	help
	  This is a generic software asynchronous crypto daemon that
	  converts an arbitrary synchronous software crypto algorithm
	  into an asynchronous algorithm that executes in a kernel thread.

config CRYPTO_DES
	tristate "DES and Triple DES EDE cipher algorithms"
	select CRYPTO_ALGAPI
	help
	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).

config CRYPTO_FCRYPT
	tristate "FCrypt cipher algorithm"
	select CRYPTO_ALGAPI
	select CRYPTO_BLKCIPHER
	help
	  FCrypt algorithm used by RxRPC.

config CRYPTO_BLOWFISH
	tristate "Blowfish cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Blowfish cipher algorithm, by Bruce Schneier.
	  
	  This is a variable key length cipher which can use keys from 32
	  bits to 448 bits in length.  It's fast, simple and specifically
	  designed for use on "large microprocessors".
	  
	  See also:
	  <http://www.schneier.com/blowfish.html>

config CRYPTO_TWOFISH
	tristate "Twofish cipher algorithm"
	select CRYPTO_ALGAPI
	select CRYPTO_TWOFISH_COMMON
	help
	  Twofish cipher algorithm.
	  
	  Twofish was submitted as an AES (Advanced Encryption Standard)
	  candidate cipher by researchers at CounterPane Systems.  It is a
	  16 round block cipher supporting key sizes of 128, 192, and 256
	  bits.
	  
	  See also:
	  <http://www.schneier.com/twofish.html>

config CRYPTO_TWOFISH_COMMON
	tristate
	help
	  Common parts of the Twofish cipher algorithm shared by the
	  generic c and the assembler implementations.

config CRYPTO_TWOFISH_586
	tristate "Twofish cipher algorithms (i586)"
	depends on (X86 || UML_X86) && !64BIT
	select CRYPTO_ALGAPI
	select CRYPTO_TWOFISH_COMMON
	help
	  Twofish cipher algorithm.

	  Twofish was submitted as an AES (Advanced Encryption Standard)
	  candidate cipher by researchers at CounterPane Systems.  It is a
	  16 round block cipher supporting key sizes of 128, 192, and 256
	  bits.

	  See also:
	  <http://www.schneier.com/twofish.html>

config CRYPTO_TWOFISH_X86_64
	tristate "Twofish cipher algorithm (x86_64)"
	depends on (X86 || UML_X86) && 64BIT
	select CRYPTO_ALGAPI
	select CRYPTO_TWOFISH_COMMON
	help
	  Twofish cipher algorithm (x86_64).

	  Twofish was submitted as an AES (Advanced Encryption Standard)
	  candidate cipher by researchers at CounterPane Systems.  It is a
	  16 round block cipher supporting key sizes of 128, 192, and 256
	  bits.

	  See also:
	  <http://www.schneier.com/twofish.html>

config CRYPTO_SERPENT
	tristate "Serpent cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Serpent cipher algorithm, by Anderson, Biham & Knudsen.

	  Keys are allowed to be from 0 to 256 bits in length, in steps
	  of 8 bits.  Also includes the 'Tnepres' algorithm, a reversed
	  variant of Serpent for compatibility with old kerneli.org code.

	  See also:
	  <http://www.cl.cam.ac.uk/~rja14/serpent.html>

config CRYPTO_AES
	tristate "AES cipher algorithms"
	select CRYPTO_ALGAPI
	help
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael 
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
	  both hardware and software across a wide range of computing 
	  environments regardless of its use in feedback or non-feedback 
	  modes. Its key setup time is excellent, and its key agility is 
	  good. Rijndael's very low memory requirements make it very well 
	  suited for restricted-space environments, in which it also 
	  demonstrates excellent performance. Rijndael's operations are 
	  among the easiest to defend against power and timing attacks.	

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

	  See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.

config CRYPTO_AES_586
	tristate "AES cipher algorithms (i586)"
	depends on (X86 || UML_X86) && !64BIT
	select CRYPTO_ALGAPI
	help
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael 
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
	  both hardware and software across a wide range of computing 
	  environments regardless of its use in feedback or non-feedback 
	  modes. Its key setup time is excellent, and its key agility is 
	  good. Rijndael's very low memory requirements make it very well 
	  suited for restricted-space environments, in which it also 
	  demonstrates excellent performance. Rijndael's operations are 
	  among the easiest to defend against power and timing attacks.	

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

	  See <http://csrc.nist.gov/encryption/aes/> for more information.

config CRYPTO_AES_X86_64
	tristate "AES cipher algorithms (x86_64)"
	depends on (X86 || UML_X86) && 64BIT
	select CRYPTO_ALGAPI
	help
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael 
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
	  both hardware and software across a wide range of computing 
	  environments regardless of its use in feedback or non-feedback 
	  modes. Its key setup time is excellent, and its key agility is 
	  good. Rijndael's very low memory requirements make it very well 
	  suited for restricted-space environments, in which it also 
	  demonstrates excellent performance. Rijndael's operations are 
	  among the easiest to defend against power and timing attacks.	

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

	  See <http://csrc.nist.gov/encryption/aes/> for more information.

config CRYPTO_CAST5
	tristate "CAST5 (CAST-128) cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  The CAST5 encryption algorithm (synonymous with CAST-128) is
	  described in RFC2144.

config CRYPTO_CAST6
	tristate "CAST6 (CAST-256) cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  The CAST6 encryption algorithm (synonymous with CAST-256) is
	  described in RFC2612.

config CRYPTO_TEA
	tristate "TEA, XTEA and XETA cipher algorithms"
	select CRYPTO_ALGAPI
	help
	  TEA cipher algorithm.

	  Tiny Encryption Algorithm is a simple cipher that uses
	  many rounds for security.  It is very fast and uses
	  little memory.

	  Xtendend Tiny Encryption Algorithm is a modification to
	  the TEA algorithm to address a potential key weakness
	  in the TEA algorithm.

	  Xtendend Encryption Tiny Algorithm is a mis-implementation 
	  of the XTEA algorithm for compatibility purposes.

config CRYPTO_ARC4
	tristate "ARC4 cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  ARC4 cipher algorithm.

	  ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	  bits in length.  This algorithm is required for driver-based 
	  WEP, but it should not be for other purposes because of the
	  weakness of the algorithm.

config CRYPTO_KHAZAD
	tristate "Khazad cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Khazad cipher algorithm.

	  Khazad was a finalist in the initial NESSIE competition.  It is
	  an algorithm optimized for 64-bit processors with good performance
	  on 32-bit processors.  Khazad uses an 128 bit key size.

	  See also:
	  <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>

config CRYPTO_ANUBIS
	tristate "Anubis cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Anubis cipher algorithm.

	  Anubis is a variable key length cipher which can use keys from 
	  128 bits to 320 bits in length.  It was evaluated as a entrant
	  in the NESSIE competition.
	  
	  See also:
	  <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	  <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>

config CRYPTO_SEED
	tristate "SEED cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  SEED cipher algorithm (RFC4269).

	  SEED is a 128-bit symmetric key block cipher that has been
	  developed by KISA (Korea Information Security Agency) as a
	  national standard encryption algorithm of the Republic of Korea.
	  It is a 16 round block cipher with the key size of 128 bit.

	  See also:
	  <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>


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

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

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

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

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

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

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

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

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
124b53d0 HX	187	config CRYPTO_CRYPTD
	188	tristate "Software async crypto daemon"
	189	select CRYPTO_ABLKCIPHER
	190	select CRYPTO_MANAGER
	191	help
	192	This is a generic software asynchronous crypto daemon that
	193	converts an arbitrary synchronous software crypto algorithm
	194	into an asynchronous algorithm that executes in a kernel thread.
	195
1da177e4 LT	196	config CRYPTO_DES
1da177e4 LT	197	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	198	select CRYPTO_ALGAPI
1da177e4 LT	199	help
	200	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	201
90831639 DH	202	config CRYPTO_FCRYPT
	203	tristate "FCrypt cipher algorithm"
	204	select CRYPTO_ALGAPI
	205	select CRYPTO_BLKCIPHER
	206	help
	207	FCrypt algorithm used by RxRPC.
	208
1da177e4 LT	209	config CRYPTO_BLOWFISH
1da177e4 LT	210	tristate "Blowfish cipher algorithm"
cce9e06d	211	select CRYPTO_ALGAPI
1da177e4 LT	212	help
	213	Blowfish cipher algorithm, by Bruce Schneier.
	214
	215	This is a variable key length cipher which can use keys from 32
	216	bits to 448 bits in length. It's fast, simple and specifically
	217	designed for use on "large microprocessors".
	218
	219	See also:
	220	<http://www.schneier.com/blowfish.html>
	221
	222	config CRYPTO_TWOFISH
	223	tristate "Twofish cipher algorithm"
cce9e06d	224	select CRYPTO_ALGAPI
2729bb42	225	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	226	help
	227	Twofish cipher algorithm.
	228
	229	Twofish was submitted as an AES (Advanced Encryption Standard)
	230	candidate cipher by researchers at CounterPane Systems. It is a
	231	16 round block cipher supporting key sizes of 128, 192, and 256
	232	bits.
	233
	234	See also:
	235	<http://www.schneier.com/twofish.html>
	236
2729bb42 JF	237	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	238	tristate
2729bb42 JF	239	help
	240	Common parts of the Twofish cipher algorithm shared by the
	241	generic c and the assembler implementations.
	242
b9f535ff JF	243	config CRYPTO_TWOFISH_586
b9f535ff JF	244	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	245	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	246	select CRYPTO_ALGAPI
b9f535ff JF	247	select CRYPTO_TWOFISH_COMMON
	248	help
	249	Twofish cipher algorithm.
	250
	251	Twofish was submitted as an AES (Advanced Encryption Standard)
	252	candidate cipher by researchers at CounterPane Systems. It is a
	253	16 round block cipher supporting key sizes of 128, 192, and 256
	254	bits.
	255
	256	See also:
	257	<http://www.schneier.com/twofish.html>
	258
eaf44088 JF	259	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	260	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	261	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	262	select CRYPTO_ALGAPI
eaf44088 JF	263	select CRYPTO_TWOFISH_COMMON
	264	help
	265	Twofish cipher algorithm (x86_64).
	266
	267	Twofish was submitted as an AES (Advanced Encryption Standard)
	268	candidate cipher by researchers at CounterPane Systems. It is a
	269	16 round block cipher supporting key sizes of 128, 192, and 256
	270	bits.
	271
	272	See also:
	273	<http://www.schneier.com/twofish.html>
	274
1da177e4 LT	275	config CRYPTO_SERPENT
1da177e4 LT	276	tristate "Serpent cipher algorithm"
cce9e06d	277	select CRYPTO_ALGAPI
1da177e4 LT	278	help
	279	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	280
	281	Keys are allowed to be from 0 to 256 bits in length, in steps
	282	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	283	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	284
	285	See also:
	286	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	287
	288	config CRYPTO_AES
	289	tristate "AES cipher algorithms"
cce9e06d	290	select CRYPTO_ALGAPI
1da177e4 LT	291	help
	292	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	293	algorithm.
	294
	295	Rijndael appears to be consistently a very good performer in
	296	both hardware and software across a wide range of computing
	297	environments regardless of its use in feedback or non-feedback
	298	modes. Its key setup time is excellent, and its key agility is
	299	good. Rijndael's very low memory requirements make it very well
	300	suited for restricted-space environments, in which it also
	301	demonstrates excellent performance. Rijndael's operations are
	302	among the easiest to defend against power and timing attacks.
	303
	304	The AES specifies three key sizes: 128, 192 and 256 bits
	305
	306	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	307
	308	config CRYPTO_AES_586
	309	tristate "AES cipher algorithms (i586)"
cce9e06d HX	310	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	311	select CRYPTO_ALGAPI
1da177e4 LT	312	help
	313	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	314	algorithm.
	315
	316	Rijndael appears to be consistently a very good performer in
	317	both hardware and software across a wide range of computing
	318	environments regardless of its use in feedback or non-feedback
	319	modes. Its key setup time is excellent, and its key agility is
	320	good. Rijndael's very low memory requirements make it very well
	321	suited for restricted-space environments, in which it also
	322	demonstrates excellent performance. Rijndael's operations are
	323	among the easiest to defend against power and timing attacks.
	324
	325	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	326
	327	See <http://csrc.nist.gov/encryption/aes/> for more information.
	328
	329	config CRYPTO_AES_X86_64
	330	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	331	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	332	select CRYPTO_ALGAPI
a2a892a2 AS	333	help
	334	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	335	algorithm.
	336
	337	Rijndael appears to be consistently a very good performer in
	338	both hardware and software across a wide range of computing
	339	environments regardless of its use in feedback or non-feedback
	340	modes. Its key setup time is excellent, and its key agility is
	341	good. Rijndael's very low memory requirements make it very well
	342	suited for restricted-space environments, in which it also
	343	demonstrates excellent performance. Rijndael's operations are
	344	among the easiest to defend against power and timing attacks.
	345
	346	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	347
	348	See <http://csrc.nist.gov/encryption/aes/> for more information.
	349
	350	config CRYPTO_CAST5
	351	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	352	select CRYPTO_ALGAPI
1da177e4 LT	353	help
	354	The CAST5 encryption algorithm (synonymous with CAST-128) is
	355	described in RFC2144.
	356
	357	config CRYPTO_CAST6
	358	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	359	select CRYPTO_ALGAPI
1da177e4 LT	360	help
	361	The CAST6 encryption algorithm (synonymous with CAST-256) is
	362	described in RFC2612.
	363
	364	config CRYPTO_TEA
fb4f10ed	365	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	366	select CRYPTO_ALGAPI
1da177e4 LT	367	help
	368	TEA cipher algorithm.
	369
	370	Tiny Encryption Algorithm is a simple cipher that uses
	371	many rounds for security. It is very fast and uses
	372	little memory.
	373
	374	Xtendend Tiny Encryption Algorithm is a modification to
	375	the TEA algorithm to address a potential key weakness
	376	in the TEA algorithm.
	377
fb4f10ed AG	378	Xtendend Encryption Tiny Algorithm is a mis-implementation
	379	of the XTEA algorithm for compatibility purposes.
	380
1da177e4 LT	381	config CRYPTO_ARC4
1da177e4 LT	382	tristate "ARC4 cipher algorithm"
cce9e06d	383	select CRYPTO_ALGAPI
1da177e4 LT	384	help
	385	ARC4 cipher algorithm.
	386
	387	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	388	bits in length. This algorithm is required for driver-based
	389	WEP, but it should not be for other purposes because of the
	390	weakness of the algorithm.
	391
	392	config CRYPTO_KHAZAD
	393	tristate "Khazad cipher algorithm"
cce9e06d	394	select CRYPTO_ALGAPI
1da177e4 LT	395	help
	396	Khazad cipher algorithm.
	397
	398	Khazad was a finalist in the initial NESSIE competition. It is
	399	an algorithm optimized for 64-bit processors with good performance
	400	on 32-bit processors. Khazad uses an 128 bit key size.
	401
	402	See also:
	403	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	404
	405	config CRYPTO_ANUBIS
	406	tristate "Anubis cipher algorithm"
cce9e06d	407	select CRYPTO_ALGAPI
1da177e4 LT	408	help
	409	Anubis cipher algorithm.
	410
	411	Anubis is a variable key length cipher which can use keys from
	412	128 bits to 320 bits in length. It was evaluated as a entrant
	413	in the NESSIE competition.
	414
	415	See also:
	416	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	417	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	418
e2ee95b8 HSC	419	config CRYPTO_SEED
	420	tristate "SEED cipher algorithm"
	421	select CRYPTO_ALGAPI
	422	help
	423	SEED cipher algorithm (RFC4269).
	424
	425	SEED is a 128-bit symmetric key block cipher that has been
	426	developed by KISA (Korea Information Security Agency) as a
	427	national standard encryption algorithm of the Republic of Korea.
	428	It is a 16 round block cipher with the key size of 128 bit.
	429
	430	See also:
	431	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	432
1da177e4 LT	433
	434	config CRYPTO_DEFLATE
	435	tristate "Deflate compression algorithm"
cce9e06d	436	select CRYPTO_ALGAPI
1da177e4 LT	437	select ZLIB_INFLATE
	438	select ZLIB_DEFLATE
	439	help
	440	This is the Deflate algorithm (RFC1951), specified for use in
	441	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	442
	443	You will most probably want this if using IPSec.
	444
	445	config CRYPTO_MICHAEL_MIC
	446	tristate "Michael MIC keyed digest algorithm"
cce9e06d	447	select CRYPTO_ALGAPI
1da177e4 LT	448	help
	449	Michael MIC is used for message integrity protection in TKIP
	450	(IEEE 802.11i). This algorithm is required for TKIP, but it
	451	should not be used for other purposes because of the weakness
	452	of the algorithm.
	453
	454	config CRYPTO_CRC32C
	455	tristate "CRC32c CRC algorithm"
cce9e06d	456	select CRYPTO_ALGAPI
1da177e4 LT	457	select LIBCRC32C
	458	help
	459	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	460	by iSCSI for header and data digests and by others.
	461	See Castagnoli93. This implementation uses lib/libcrc32c.
	462	Module will be crc32c.
	463
04ac7db3 NT	464	config CRYPTO_CAMELLIA
	465	tristate "Camellia cipher algorithms"
	466	depends on CRYPTO
	467	select CRYPTO_ALGAPI
	468	help
	469	Camellia cipher algorithms module.
	470
	471	Camellia is a symmetric key block cipher developed jointly
	472	at NTT and Mitsubishi Electric Corporation.
	473
	474	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	475
	476	See also:
	477	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	478
1da177e4 LT	479	config CRYPTO_TEST
1da177e4 LT	480	tristate "Testing module"
cce9e06d HX	481	depends on m
cce9e06d HX	482	select CRYPTO_ALGAPI
1da177e4 LT	483	help
	484	Quick & dirty crypto test module.
	485
	486	source "drivers/crypto/Kconfig"
1da177e4	487
cce9e06d	488	endif # if CRYPTO