[linux-2.6-block.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_AEAD
	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
	select CRYPTO_BLKCIPHER
	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_CCM
	tristate "CCM support"
	select CRYPTO_CTR
	select CRYPTO_AEAD
	help
	  Support for Counter with CBC MAC. 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_SALSA20_586
	tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
	depends on (X86 || UML_X86) && !64BIT
	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_SALSA20_X86_64
	tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
	depends on (X86 || UML_X86) && 64BIT
	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
	select CRYPTO_AEAD
	select CRYPTO_BLKCIPHER
	help
	  Quick & dirty crypto test module.

config CRYPTO_AUTHENC
	tristate "Authenc support"
	select CRYPTO_AEAD
	select CRYPTO_BLKCIPHER
	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
0a270321 HX	36	tristate "Sequence Number IV Generator"
47262042	37	select CRYPTO_AEAD
0a270321 HX	38	select CRYPTO_BLKCIPHER
	39	help
	40	This IV generator generates an IV based on a sequence number by
	41	xoring it with a salt. This algorithm is mainly useful for CTR
	42	and similar modes.
	43
055bcee3 HX	44	config CRYPTO_HASH
	45	tristate
	46	select CRYPTO_ALGAPI
	47
2b8c19db HX	48	config CRYPTO_MANAGER
	49	tristate "Cryptographic algorithm manager"
	50	select CRYPTO_ALGAPI
2b8c19db HX	51	help
	52	Create default cryptographic template instantiations such as
	53	cbc(aes).
	54
1da177e4	55	config CRYPTO_HMAC
8425165d	56	tristate "HMAC support"
0796ae06	57	select CRYPTO_HASH
43518407	58	select CRYPTO_MANAGER
1da177e4 LT	59	help
	60	HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	61	This is required for IPSec.
	62
333b0d7e KM	63	config CRYPTO_XCBC
	64	tristate "XCBC support"
	65	depends on EXPERIMENTAL
	66	select CRYPTO_HASH
	67	select CRYPTO_MANAGER
	68	help
	69	XCBC: Keyed-Hashing with encryption algorithm
	70	http://www.ietf.org/rfc/rfc3566.txt
	71	http://csrc.nist.gov/encryption/modes/proposedmodes/
	72	xcbc-mac/xcbc-mac-spec.pdf
	73
1da177e4 LT	74	config CRYPTO_NULL
1da177e4 LT	75	tristate "Null algorithms"
cce9e06d	76	select CRYPTO_ALGAPI
c8620c25	77	select CRYPTO_BLKCIPHER
1da177e4 LT	78	help
	79	These are 'Null' algorithms, used by IPsec, which do nothing.
	80
	81	config CRYPTO_MD4
	82	tristate "MD4 digest algorithm"
cce9e06d	83	select CRYPTO_ALGAPI
1da177e4 LT	84	help
	85	MD4 message digest algorithm (RFC1320).
	86
	87	config CRYPTO_MD5
	88	tristate "MD5 digest algorithm"
cce9e06d	89	select CRYPTO_ALGAPI
1da177e4 LT	90	help
	91	MD5 message digest algorithm (RFC1321).
	92
	93	config CRYPTO_SHA1
	94	tristate "SHA1 digest algorithm"
cce9e06d	95	select CRYPTO_ALGAPI
1da177e4 LT	96	help
	97	SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
	98
1da177e4	99	config CRYPTO_SHA256
cd12fb90	100	tristate "SHA224 and SHA256 digest algorithm"
cce9e06d	101	select CRYPTO_ALGAPI
1da177e4 LT	102	help
	103	SHA256 secure hash standard (DFIPS 180-2).
	104
	105	This version of SHA implements a 256 bit hash with 128 bits of
	106	security against collision attacks.
	107
cd12fb90 JL	108	This code also includes SHA-224, a 224 bit hash with 112 bits
	109	of security against collision attacks.
	110
1da177e4 LT	111	config CRYPTO_SHA512
1da177e4 LT	112	tristate "SHA384 and SHA512 digest algorithms"
cce9e06d	113	select CRYPTO_ALGAPI
1da177e4 LT	114	help
	115	SHA512 secure hash standard (DFIPS 180-2).
	116
	117	This version of SHA implements a 512 bit hash with 256 bits of
	118	security against collision attacks.
	119
	120	This code also includes SHA-384, a 384 bit hash with 192 bits
	121	of security against collision attacks.
	122
	123	config CRYPTO_WP512
	124	tristate "Whirlpool digest algorithms"
cce9e06d	125	select CRYPTO_ALGAPI
1da177e4 LT	126	help
	127	Whirlpool hash algorithm 512, 384 and 256-bit hashes
	128
	129	Whirlpool-512 is part of the NESSIE cryptographic primitives.
	130	Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
	131
	132	See also:
	133	<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
	134
	135	config CRYPTO_TGR192
	136	tristate "Tiger digest algorithms"
cce9e06d	137	select CRYPTO_ALGAPI
1da177e4 LT	138	help
	139	Tiger hash algorithm 192, 160 and 128-bit hashes
	140
	141	Tiger is a hash function optimized for 64-bit processors while
	142	still having decent performance on 32-bit processors.
	143	Tiger was developed by Ross Anderson and Eli Biham.
	144
	145	See also:
	146	<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
	147
c494e070 RS	148	config CRYPTO_GF128MUL
	149	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
	150	depends on EXPERIMENTAL
	151	help
	152	Efficient table driven implementation of multiplications in the
	153	field GF(2^128). This is needed by some cypher modes. This
	154	option will be selected automatically if you select such a
	155	cipher mode. Only select this option by hand if you expect to load
	156	an external module that requires these functions.
	157
db131ef9 HX	158	config CRYPTO_ECB
	159	tristate "ECB support"
	160	select CRYPTO_BLKCIPHER
43518407	161	select CRYPTO_MANAGER
db131ef9 HX	162	help
	163	ECB: Electronic CodeBook mode
	164	This is the simplest block cipher algorithm. It simply encrypts
	165	the input block by block.
	166
	167	config CRYPTO_CBC
	168	tristate "CBC support"
	169	select CRYPTO_BLKCIPHER
43518407	170	select CRYPTO_MANAGER
db131ef9 HX	171	help
	172	CBC: Cipher Block Chaining mode
	173	This block cipher algorithm is required for IPSec.
	174
91652be5 DH	175	config CRYPTO_PCBC
	176	tristate "PCBC support"
	177	select CRYPTO_BLKCIPHER
	178	select CRYPTO_MANAGER
91652be5 DH	179	help
	180	PCBC: Propagating Cipher Block Chaining mode
	181	This block cipher algorithm is required for RxRPC.
	182
64470f1b RS	183	config CRYPTO_LRW
	184	tristate "LRW support (EXPERIMENTAL)"
	185	depends on EXPERIMENTAL
	186	select CRYPTO_BLKCIPHER
	187	select CRYPTO_MANAGER
	188	select CRYPTO_GF128MUL
	189	help
	190	LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	191	narrow block cipher mode for dm-crypt. Use it with cipher
	192	specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	193	The first 128, 192 or 256 bits in the key are used for AES and the
	194	rest is used to tie each cipher block to its logical position.
	195
f19f5111 RS	196	config CRYPTO_XTS
	197	tristate "XTS support (EXPERIMENTAL)"
	198	depends on EXPERIMENTAL
	199	select CRYPTO_BLKCIPHER
	200	select CRYPTO_MANAGER
	201	select CRYPTO_GF128MUL
	202	help
	203	XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
	204	key size 256, 384 or 512 bits. This implementation currently
	205	can't handle a sectorsize which is not a multiple of 16 bytes.
	206
23e353c8 JL	207	config CRYPTO_CTR
	208	tristate "CTR support"
	209	select CRYPTO_BLKCIPHER
0a270321	210	select CRYPTO_SEQIV
23e353c8	211	select CRYPTO_MANAGER
23e353c8 JL	212	help
	213	CTR: Counter mode
	214	This block cipher algorithm is required for IPSec.
	215
28db8e3e MH	216	config CRYPTO_GCM
	217	tristate "GCM/GMAC support"
	218	select CRYPTO_CTR
	219	select CRYPTO_AEAD
	220	select CRYPTO_GF128MUL
	221	help
	222	Support for Galois/Counter Mode (GCM) and Galois Message
	223	Authentication Code (GMAC). Required for IPSec.
	224
4a49b499 JL	225	config CRYPTO_CCM
	226	tristate "CCM support"
	227	select CRYPTO_CTR
	228	select CRYPTO_AEAD
	229	help
	230	Support for Counter with CBC MAC. Required for IPsec.
	231
124b53d0 HX	232	config CRYPTO_CRYPTD
124b53d0 HX	233	tristate "Software async crypto daemon"
653ebd9c	234	select CRYPTO_BLKCIPHER
124b53d0 HX	235	select CRYPTO_MANAGER
	236	help
	237	This is a generic software asynchronous crypto daemon that
	238	converts an arbitrary synchronous software crypto algorithm
	239	into an asynchronous algorithm that executes in a kernel thread.
	240
1da177e4 LT	241	config CRYPTO_DES
1da177e4 LT	242	tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d	243	select CRYPTO_ALGAPI
1da177e4 LT	244	help
	245	DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
	246
90831639 DH	247	config CRYPTO_FCRYPT
	248	tristate "FCrypt cipher algorithm"
	249	select CRYPTO_ALGAPI
	250	select CRYPTO_BLKCIPHER
	251	help
	252	FCrypt algorithm used by RxRPC.
	253
1da177e4 LT	254	config CRYPTO_BLOWFISH
1da177e4 LT	255	tristate "Blowfish cipher algorithm"
cce9e06d	256	select CRYPTO_ALGAPI
1da177e4 LT	257	help
	258	Blowfish cipher algorithm, by Bruce Schneier.
	259
	260	This is a variable key length cipher which can use keys from 32
	261	bits to 448 bits in length. It's fast, simple and specifically
	262	designed for use on "large microprocessors".
	263
	264	See also:
	265	<http://www.schneier.com/blowfish.html>
	266
	267	config CRYPTO_TWOFISH
	268	tristate "Twofish cipher algorithm"
cce9e06d	269	select CRYPTO_ALGAPI
2729bb42	270	select CRYPTO_TWOFISH_COMMON
1da177e4 LT	271	help
	272	Twofish cipher algorithm.
	273
	274	Twofish was submitted as an AES (Advanced Encryption Standard)
	275	candidate cipher by researchers at CounterPane Systems. It is a
	276	16 round block cipher supporting key sizes of 128, 192, and 256
	277	bits.
	278
	279	See also:
	280	<http://www.schneier.com/twofish.html>
	281
2729bb42 JF	282	config CRYPTO_TWOFISH_COMMON
2729bb42 JF	283	tristate
2729bb42 JF	284	help
	285	Common parts of the Twofish cipher algorithm shared by the
	286	generic c and the assembler implementations.
	287
b9f535ff JF	288	config CRYPTO_TWOFISH_586
b9f535ff JF	289	tristate "Twofish cipher algorithms (i586)"
cce9e06d HX	290	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	291	select CRYPTO_ALGAPI
b9f535ff JF	292	select CRYPTO_TWOFISH_COMMON
	293	help
	294	Twofish cipher algorithm.
	295
	296	Twofish was submitted as an AES (Advanced Encryption Standard)
	297	candidate cipher by researchers at CounterPane Systems. It is a
	298	16 round block cipher supporting key sizes of 128, 192, and 256
	299	bits.
	300
	301	See also:
	302	<http://www.schneier.com/twofish.html>
	303
eaf44088 JF	304	config CRYPTO_TWOFISH_X86_64
eaf44088 JF	305	tristate "Twofish cipher algorithm (x86_64)"
cce9e06d HX	306	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	307	select CRYPTO_ALGAPI
eaf44088 JF	308	select CRYPTO_TWOFISH_COMMON
	309	help
	310	Twofish cipher algorithm (x86_64).
	311
	312	Twofish was submitted as an AES (Advanced Encryption Standard)
	313	candidate cipher by researchers at CounterPane Systems. It is a
	314	16 round block cipher supporting key sizes of 128, 192, and 256
	315	bits.
	316
	317	See also:
	318	<http://www.schneier.com/twofish.html>
	319
1da177e4 LT	320	config CRYPTO_SERPENT
1da177e4 LT	321	tristate "Serpent cipher algorithm"
cce9e06d	322	select CRYPTO_ALGAPI
1da177e4 LT	323	help
	324	Serpent cipher algorithm, by Anderson, Biham & Knudsen.
	325
	326	Keys are allowed to be from 0 to 256 bits in length, in steps
	327	of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
3dde6ad8	328	variant of Serpent for compatibility with old kerneli.org code.
1da177e4 LT	329
	330	See also:
	331	<http://www.cl.cam.ac.uk/~rja14/serpent.html>
	332
	333	config CRYPTO_AES
	334	tristate "AES cipher algorithms"
cce9e06d	335	select CRYPTO_ALGAPI
1da177e4 LT	336	help
	337	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	338	algorithm.
	339
	340	Rijndael appears to be consistently a very good performer in
	341	both hardware and software across a wide range of computing
	342	environments regardless of its use in feedback or non-feedback
	343	modes. Its key setup time is excellent, and its key agility is
	344	good. Rijndael's very low memory requirements make it very well
	345	suited for restricted-space environments, in which it also
	346	demonstrates excellent performance. Rijndael's operations are
	347	among the easiest to defend against power and timing attacks.
	348
	349	The AES specifies three key sizes: 128, 192 and 256 bits
	350
	351	See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
	352
	353	config CRYPTO_AES_586
	354	tristate "AES cipher algorithms (i586)"
cce9e06d HX	355	depends on (X86 \|\| UML_X86) && !64BIT
cce9e06d HX	356	select CRYPTO_ALGAPI
5157dea8	357	select CRYPTO_AES
1da177e4 LT	358	help
	359	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	360	algorithm.
	361
	362	Rijndael appears to be consistently a very good performer in
	363	both hardware and software across a wide range of computing
	364	environments regardless of its use in feedback or non-feedback
	365	modes. Its key setup time is excellent, and its key agility is
	366	good. Rijndael's very low memory requirements make it very well
	367	suited for restricted-space environments, in which it also
	368	demonstrates excellent performance. Rijndael's operations are
	369	among the easiest to defend against power and timing attacks.
	370
	371	The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2 AS	372
	373	See <http://csrc.nist.gov/encryption/aes/> for more information.
	374
	375	config CRYPTO_AES_X86_64
	376	tristate "AES cipher algorithms (x86_64)"
cce9e06d HX	377	depends on (X86 \|\| UML_X86) && 64BIT
cce9e06d HX	378	select CRYPTO_ALGAPI
81190b32	379	select CRYPTO_AES
a2a892a2 AS	380	help
	381	AES cipher algorithms (FIPS-197). AES uses the Rijndael
	382	algorithm.
	383
	384	Rijndael appears to be consistently a very good performer in
	385	both hardware and software across a wide range of computing
	386	environments regardless of its use in feedback or non-feedback
	387	modes. Its key setup time is excellent, and its key agility is
	388	good. Rijndael's very low memory requirements make it very well
	389	suited for restricted-space environments, in which it also
	390	demonstrates excellent performance. Rijndael's operations are
	391	among the easiest to defend against power and timing attacks.
	392
	393	The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4 LT	394
	395	See <http://csrc.nist.gov/encryption/aes/> for more information.
	396
	397	config CRYPTO_CAST5
	398	tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d	399	select CRYPTO_ALGAPI
1da177e4 LT	400	help
	401	The CAST5 encryption algorithm (synonymous with CAST-128) is
	402	described in RFC2144.
	403
	404	config CRYPTO_CAST6
	405	tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d	406	select CRYPTO_ALGAPI
1da177e4 LT	407	help
	408	The CAST6 encryption algorithm (synonymous with CAST-256) is
	409	described in RFC2612.
	410
	411	config CRYPTO_TEA
fb4f10ed	412	tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d	413	select CRYPTO_ALGAPI
1da177e4 LT	414	help
	415	TEA cipher algorithm.
	416
	417	Tiny Encryption Algorithm is a simple cipher that uses
	418	many rounds for security. It is very fast and uses
	419	little memory.
	420
	421	Xtendend Tiny Encryption Algorithm is a modification to
	422	the TEA algorithm to address a potential key weakness
	423	in the TEA algorithm.
	424
fb4f10ed AG	425	Xtendend Encryption Tiny Algorithm is a mis-implementation
	426	of the XTEA algorithm for compatibility purposes.
	427
1da177e4 LT	428	config CRYPTO_ARC4
1da177e4 LT	429	tristate "ARC4 cipher algorithm"
cce9e06d	430	select CRYPTO_ALGAPI
1da177e4 LT	431	help
	432	ARC4 cipher algorithm.
	433
	434	ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	435	bits in length. This algorithm is required for driver-based
	436	WEP, but it should not be for other purposes because of the
	437	weakness of the algorithm.
	438
	439	config CRYPTO_KHAZAD
	440	tristate "Khazad cipher algorithm"
cce9e06d	441	select CRYPTO_ALGAPI
1da177e4 LT	442	help
	443	Khazad cipher algorithm.
	444
	445	Khazad was a finalist in the initial NESSIE competition. It is
	446	an algorithm optimized for 64-bit processors with good performance
	447	on 32-bit processors. Khazad uses an 128 bit key size.
	448
	449	See also:
	450	<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
	451
	452	config CRYPTO_ANUBIS
	453	tristate "Anubis cipher algorithm"
cce9e06d	454	select CRYPTO_ALGAPI
1da177e4 LT	455	help
	456	Anubis cipher algorithm.
	457
	458	Anubis is a variable key length cipher which can use keys from
	459	128 bits to 320 bits in length. It was evaluated as a entrant
	460	in the NESSIE competition.
	461
	462	See also:
	463	<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	464	<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
	465
e2ee95b8 HSC	466	config CRYPTO_SEED
	467	tristate "SEED cipher algorithm"
	468	select CRYPTO_ALGAPI
	469	help
	470	SEED cipher algorithm (RFC4269).
	471
	472	SEED is a 128-bit symmetric key block cipher that has been
	473	developed by KISA (Korea Information Security Agency) as a
	474	national standard encryption algorithm of the Republic of Korea.
	475	It is a 16 round block cipher with the key size of 128 bit.
	476
	477	See also:
	478	<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
	479
2407d608 TSH	480	config CRYPTO_SALSA20
	481	tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
	482	depends on EXPERIMENTAL
	483	select CRYPTO_BLKCIPHER
	484	help
	485	Salsa20 stream cipher algorithm.
	486
	487	Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	488	Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
974e4b75 TSH	489
	490	The Salsa20 stream cipher algorithm is designed by Daniel J.
	491	Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
	492
	493	config CRYPTO_SALSA20_586
	494	tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
	495	depends on (X86 \|\| UML_X86) && !64BIT
	496	depends on EXPERIMENTAL
	497	select CRYPTO_BLKCIPHER
974e4b75 TSH	498	help
	499	Salsa20 stream cipher algorithm.
	500
	501	Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	502	Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
9a7dafbb TSH	503
	504	The Salsa20 stream cipher algorithm is designed by Daniel J.
	505	Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
	506
	507	config CRYPTO_SALSA20_X86_64
	508	tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
	509	depends on (X86 \|\| UML_X86) && 64BIT
	510	depends on EXPERIMENTAL
	511	select CRYPTO_BLKCIPHER
9a7dafbb TSH	512	help
	513	Salsa20 stream cipher algorithm.
	514
	515	Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	516	Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
2407d608 TSH	517
	518	The Salsa20 stream cipher algorithm is designed by Daniel J.
	519	Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
1da177e4 LT	520
	521	config CRYPTO_DEFLATE
	522	tristate "Deflate compression algorithm"
cce9e06d	523	select CRYPTO_ALGAPI
1da177e4 LT	524	select ZLIB_INFLATE
	525	select ZLIB_DEFLATE
	526	help
	527	This is the Deflate algorithm (RFC1951), specified for use in
	528	IPSec with the IPCOMP protocol (RFC3173, RFC2394).
	529
	530	You will most probably want this if using IPSec.
	531
	532	config CRYPTO_MICHAEL_MIC
	533	tristate "Michael MIC keyed digest algorithm"
cce9e06d	534	select CRYPTO_ALGAPI
1da177e4 LT	535	help
	536	Michael MIC is used for message integrity protection in TKIP
	537	(IEEE 802.11i). This algorithm is required for TKIP, but it
	538	should not be used for other purposes because of the weakness
	539	of the algorithm.
	540
	541	config CRYPTO_CRC32C
	542	tristate "CRC32c CRC algorithm"
cce9e06d	543	select CRYPTO_ALGAPI
1da177e4 LT	544	select LIBCRC32C
	545	help
	546	Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
	547	by iSCSI for header and data digests and by others.
	548	See Castagnoli93. This implementation uses lib/libcrc32c.
	549	Module will be crc32c.
	550
04ac7db3 NT	551	config CRYPTO_CAMELLIA
	552	tristate "Camellia cipher algorithms"
	553	depends on CRYPTO
	554	select CRYPTO_ALGAPI
	555	help
	556	Camellia cipher algorithms module.
	557
	558	Camellia is a symmetric key block cipher developed jointly
	559	at NTT and Mitsubishi Electric Corporation.
	560
	561	The Camellia specifies three key sizes: 128, 192 and 256 bits.
	562
	563	See also:
	564	<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
	565
1da177e4 LT	566	config CRYPTO_TEST
1da177e4 LT	567	tristate "Testing module"
cce9e06d HX	568	depends on m
cce9e06d HX	569	select CRYPTO_ALGAPI
d1cda4e3	570	select CRYPTO_AEAD
242f1a34	571	select CRYPTO_BLKCIPHER
1da177e4 LT	572	help
	573	Quick & dirty crypto test module.
	574
3c09f17c HX	575	config CRYPTO_AUTHENC
	576	tristate "Authenc support"
	577	select CRYPTO_AEAD
3e16bfba	578	select CRYPTO_BLKCIPHER
3c09f17c	579	select CRYPTO_MANAGER
5e553110	580	select CRYPTO_HASH
3c09f17c HX	581	help
	582	Authenc: Combined mode wrapper for IPsec.
	583	This is required for IPSec.
	584
0b77abb3 ZS	585	config CRYPTO_LZO
	586	tristate "LZO compression algorithm"
	587	select CRYPTO_ALGAPI
	588	select LZO_COMPRESS
	589	select LZO_DECOMPRESS
	590	help
	591	This is the LZO algorithm.
	592
1da177e4	593	source "drivers/crypto/Kconfig"
1da177e4	594
cce9e06d	595	endif # if CRYPTO