You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
467 lines
13 KiB
467 lines
13 KiB
#
|
|
# Cryptographic API Configuration
|
|
#
|
|
|
|
menu "Cryptographic options"
|
|
|
|
config 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_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
|
|
default m
|
|
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
|
|
default m
|
|
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
|
|
default m
|
|
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 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_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
|
|
|
|
endmenu
|
|
|