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Kconfig
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# SPDX-License-Identifier: GPL-2.0
#
# 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
tristate "Cryptographic API"
help
This option provides the core Cryptographic API.
if CRYPTO
comment "Crypto core or helper"
config CRYPTO_FIPS
bool "FIPS 200 compliance"
depends on (CRYPTO_ANSI_CPRNG || CRYPTO_DRBG) && !CRYPTO_MANAGER_DISABLE_TESTS
depends on (MODULE_SIG || !MODULES)
help
This options enables the fips boot option which is
required if you want to system to operate in a FIPS 200
certification. You should say no unless you know what
this is.
config CRYPTO_ALGAPI
tristate
select CRYPTO_ALGAPI2
help
This option provides the API for cryptographic algorithms.
config CRYPTO_ALGAPI2
tristate
config CRYPTO_AEAD
tristate
select CRYPTO_AEAD2
select CRYPTO_ALGAPI
config CRYPTO_AEAD2
tristate
select CRYPTO_ALGAPI2
select CRYPTO_NULL2
select CRYPTO_RNG2
config CRYPTO_BLKCIPHER
tristate
select CRYPTO_BLKCIPHER2
select CRYPTO_ALGAPI
config CRYPTO_BLKCIPHER2
tristate
select CRYPTO_ALGAPI2
select CRYPTO_RNG2
select CRYPTO_WORKQUEUE
config CRYPTO_HASH
tristate
select CRYPTO_HASH2
select CRYPTO_ALGAPI
config CRYPTO_HASH2
tristate
select CRYPTO_ALGAPI2
config CRYPTO_RNG
tristate
select CRYPTO_RNG2
select CRYPTO_ALGAPI
config CRYPTO_RNG2
tristate
select CRYPTO_ALGAPI2
config CRYPTO_RNG_DEFAULT
tristate
select CRYPTO_DRBG_MENU
config CRYPTO_AKCIPHER2
tristate
select CRYPTO_ALGAPI2
config CRYPTO_AKCIPHER
tristate
select CRYPTO_AKCIPHER2
select CRYPTO_ALGAPI
config CRYPTO_KPP2
tristate
select CRYPTO_ALGAPI2
config CRYPTO_KPP
tristate
select CRYPTO_ALGAPI
select CRYPTO_KPP2
config CRYPTO_ACOMP2
tristate
select CRYPTO_ALGAPI2
select SGL_ALLOC
config CRYPTO_ACOMP
tristate
select CRYPTO_ALGAPI
select CRYPTO_ACOMP2
config CRYPTO_RSA
tristate "RSA algorithm"
select CRYPTO_AKCIPHER
select CRYPTO_MANAGER
select MPILIB
select ASN1
help
Generic implementation of the RSA public key algorithm.
config CRYPTO_DH
tristate "Diffie-Hellman algorithm"
select CRYPTO_KPP
select MPILIB
help
Generic implementation of the Diffie-Hellman algorithm.
config CRYPTO_ECDH
tristate "ECDH algorithm"
select CRYPTO_KPP
select CRYPTO_RNG_DEFAULT
help
Generic implementation of the ECDH algorithm
config CRYPTO_MANAGER
tristate "Cryptographic algorithm manager"
select CRYPTO_MANAGER2
help
Create default cryptographic template instantiations such as
cbc(aes).
config CRYPTO_MANAGER2
def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
select CRYPTO_AEAD2
select CRYPTO_HASH2
select CRYPTO_BLKCIPHER2
select CRYPTO_AKCIPHER2
select CRYPTO_KPP2
select CRYPTO_ACOMP2
config CRYPTO_USER
tristate "Userspace cryptographic algorithm configuration"
depends on NET
select CRYPTO_MANAGER
help
Userspace configuration for cryptographic instantiations such as
cbc(aes).
config CRYPTO_MANAGER_DISABLE_TESTS
bool "Disable run-time self tests"
default y
depends on CRYPTO_MANAGER2
help
Disable run-time self tests that normally take place at
algorithm registration.
config CRYPTO_GF128MUL
tristate "GF(2^128) multiplication functions"
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_NULL
tristate "Null algorithms"
select CRYPTO_NULL2
help
These are 'Null' algorithms, used by IPsec, which do nothing.
config CRYPTO_NULL2
tristate
select CRYPTO_ALGAPI2
select CRYPTO_BLKCIPHER2
select CRYPTO_HASH2
config CRYPTO_PCRYPT
tristate "Parallel crypto engine"
depends on SMP
select PADATA
select CRYPTO_MANAGER
select CRYPTO_AEAD
help
This converts an arbitrary crypto algorithm into a parallel
algorithm that executes in kernel threads.
config CRYPTO_WORKQUEUE
tristate
config CRYPTO_CRYPTD
tristate "Software async crypto daemon"
select CRYPTO_BLKCIPHER
select CRYPTO_HASH
select CRYPTO_MANAGER
select CRYPTO_WORKQUEUE
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_MCRYPTD
tristate "Software async multi-buffer crypto daemon"
select CRYPTO_BLKCIPHER
select CRYPTO_HASH
select CRYPTO_MANAGER
select CRYPTO_WORKQUEUE
help
This is a generic software asynchronous crypto daemon that
provides the kernel thread to assist multi-buffer crypto
algorithms for submitting jobs and flushing jobs in multi-buffer
crypto algorithms. Multi-buffer crypto algorithms are executed
in the context of this kernel thread and drivers can post
their crypto request asynchronously to be processed by this daemon.
config CRYPTO_AUTHENC
tristate "Authenc support"
select CRYPTO_AEAD
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
select CRYPTO_HASH
select CRYPTO_NULL
help
Authenc: Combined mode wrapper for IPsec.
This is required for IPSec.
config CRYPTO_TEST
tristate "Testing module"
depends on m
select CRYPTO_MANAGER
help
Quick & dirty crypto test module.
config CRYPTO_SIMD
tristate
select CRYPTO_CRYPTD
config CRYPTO_GLUE_HELPER_X86
tristate
depends on X86
select CRYPTO_BLKCIPHER
config CRYPTO_ENGINE
tristate
comment "Authenticated Encryption with Associated Data"
config CRYPTO_CCM
tristate "CCM support"
select CRYPTO_CTR
select CRYPTO_HASH
select CRYPTO_AEAD
help
Support for Counter with CBC MAC. Required for IPsec.
config CRYPTO_GCM
tristate "GCM/GMAC support"
select CRYPTO_CTR
select CRYPTO_AEAD
select CRYPTO_GHASH
select CRYPTO_NULL
help
Support for Galois/Counter Mode (GCM) and Galois Message
Authentication Code (GMAC). Required for IPSec.
config CRYPTO_CHACHA20POLY1305
tristate "ChaCha20-Poly1305 AEAD support"
select CRYPTO_CHACHA20
select CRYPTO_POLY1305
select CRYPTO_AEAD
help
ChaCha20-Poly1305 AEAD support, RFC7539.
Support for the AEAD wrapper using the ChaCha20 stream cipher combined
with the Poly1305 authenticator. It is defined in RFC7539 for use in
IETF protocols.
config CRYPTO_SEQIV
tristate "Sequence Number IV Generator"
select CRYPTO_AEAD
select CRYPTO_BLKCIPHER
select CRYPTO_NULL
select CRYPTO_RNG_DEFAULT
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
config CRYPTO_ECHAINIV
tristate "Encrypted Chain IV Generator"
select CRYPTO_AEAD
select CRYPTO_NULL
select CRYPTO_RNG_DEFAULT
default m
help
This IV generator generates an IV based on the encryption of
a sequence number xored with a salt. This is the default
algorithm for CBC.
comment "Block modes"
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_CFB
tristate "CFB support"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
help
CFB: Cipher FeedBack mode
This block cipher algorithm is required for TPM2 Cryptography.
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_CTS
tristate "CTS support"
select CRYPTO_BLKCIPHER
help
CTS: Cipher Text Stealing
This is the Cipher Text Stealing mode as described by
Section 8 of rfc2040 and referenced by rfc3962.
(rfc3962 includes errata information in its Appendix A)
This mode is required for Kerberos gss mechanism support
for AES encryption.
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_LRW
tristate "LRW support"
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_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_XTS
tristate "XTS support"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
select CRYPTO_ECB
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_KEYWRAP
tristate "Key wrapping support"
select CRYPTO_BLKCIPHER
help
Support for key wrapping (NIST SP800-38F / RFC3394) without
padding.
comment "Hash modes"
config CRYPTO_CMAC
tristate "CMAC support"
select CRYPTO_HASH
select CRYPTO_MANAGER
help
Cipher-based Message Authentication Code (CMAC) specified by
The National Institute of Standards and Technology (NIST).
https://tools.ietf.org/html/rfc4493
http://csrc.nist.gov/publications/nistpubs/800-38B/SP_800-38B.pdf
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"
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_VMAC
tristate "VMAC support"
select CRYPTO_HASH
select CRYPTO_MANAGER
help
VMAC is a message authentication algorithm designed for
very high speed on 64-bit architectures.
See also:
<http://fastcrypto.org/vmac>
comment "Digest"
config CRYPTO_CRC32C
tristate "CRC32c CRC algorithm"
select CRYPTO_HASH
select CRC32
help
Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
by iSCSI for header and data digests and by others.
See Castagnoli93. Module will be crc32c.
config CRYPTO_CRC32C_INTEL
tristate "CRC32c INTEL hardware acceleration"
depends on X86
select CRYPTO_HASH
help
In Intel processor with SSE4.2 supported, the processor will
support CRC32C implementation using hardware accelerated CRC32
instruction. This option will create 'crc32c-intel' module,
which will enable any routine to use the CRC32 instruction to
gain performance compared with software implementation.
Module will be crc32c-intel.
config CRYPTO_CRC32C_VPMSUM
tristate "CRC32c CRC algorithm (powerpc64)"
depends on PPC64 && ALTIVEC
select CRYPTO_HASH
select CRC32
help
CRC32c algorithm implemented using vector polynomial multiply-sum
(vpmsum) instructions, introduced in POWER8. Enable on POWER8
and newer processors for improved performance.
config CRYPTO_CRC32C_SPARC64
tristate "CRC32c CRC algorithm (SPARC64)"
depends on SPARC64
select CRYPTO_HASH
select CRC32
help
CRC32c CRC algorithm implemented using sparc64 crypto instructions,
when available.
config CRYPTO_CRC32
tristate "CRC32 CRC algorithm"
select CRYPTO_HASH
select CRC32
help
CRC-32-IEEE 802.3 cyclic redundancy-check algorithm.
Shash crypto api wrappers to crc32_le function.
config CRYPTO_CRC32_PCLMUL
tristate "CRC32 PCLMULQDQ hardware acceleration"
depends on X86
select CRYPTO_HASH
select CRC32
help
From Intel Westmere and AMD Bulldozer processor with SSE4.2
and PCLMULQDQ supported, the processor will support
CRC32 PCLMULQDQ implementation using hardware accelerated PCLMULQDQ
instruction. This option will create 'crc32-plcmul' module,
which will enable any routine to use the CRC-32-IEEE 802.3 checksum
and gain better performance as compared with the table implementation.
config CRYPTO_CRC32_MIPS
tristate "CRC32c and CRC32 CRC algorithm (MIPS)"
depends on MIPS_CRC_SUPPORT
select CRYPTO_HASH
help
CRC32c and CRC32 CRC algorithms implemented using mips crypto
instructions, when available.
config CRYPTO_CRCT10DIF
tristate "CRCT10DIF algorithm"
select CRYPTO_HASH
help
CRC T10 Data Integrity Field computation is being cast as
a crypto transform. This allows for faster crc t10 diff
transforms to be used if they are available.
config CRYPTO_CRCT10DIF_PCLMUL
tristate "CRCT10DIF PCLMULQDQ hardware acceleration"
depends on X86 && 64BIT && CRC_T10DIF
select CRYPTO_HASH
help
For x86_64 processors with SSE4.2 and PCLMULQDQ supported,
CRC T10 DIF PCLMULQDQ computation can be hardware
accelerated PCLMULQDQ instruction. This option will create
'crct10dif-plcmul' module, which is faster when computing the
crct10dif checksum as compared with the generic table implementation.
config CRYPTO_CRCT10DIF_VPMSUM
tristate "CRC32T10DIF powerpc64 hardware acceleration"
depends on PPC64 && ALTIVEC && CRC_T10DIF
select CRYPTO_HASH
help
CRC10T10DIF algorithm implemented using vector polynomial
multiply-sum (vpmsum) instructions, introduced in POWER8. Enable on
POWER8 and newer processors for improved performance.
config CRYPTO_VPMSUM_TESTER
tristate "Powerpc64 vpmsum hardware acceleration tester"
depends on CRYPTO_CRCT10DIF_VPMSUM && CRYPTO_CRC32C_VPMSUM
help
Stress test for CRC32c and CRC-T10DIF algorithms implemented with
POWER8 vpmsum instructions.
Unless you are testing these algorithms, you don't need this.
config CRYPTO_GHASH
tristate "GHASH digest algorithm"
select CRYPTO_GF128MUL
select CRYPTO_HASH
help
GHASH is message digest algorithm for GCM (Galois/Counter Mode).
config CRYPTO_POLY1305
tristate "Poly1305 authenticator algorithm"
select CRYPTO_HASH
help
Poly1305 authenticator algorithm, RFC7539.
Poly1305 is an authenticator algorithm designed by Daniel J. Bernstein.
It is used for the ChaCha20-Poly1305 AEAD, specified in RFC7539 for use
in IETF protocols. This is the portable C implementation of Poly1305.
config CRYPTO_POLY1305_X86_64
tristate "Poly1305 authenticator algorithm (x86_64/SSE2/AVX2)"
depends on X86 && 64BIT
select CRYPTO_POLY1305
help
Poly1305 authenticator algorithm, RFC7539.
Poly1305 is an authenticator algorithm designed by Daniel J. Bernstein.
It is used for the ChaCha20-Poly1305 AEAD, specified in RFC7539 for use
in IETF protocols. This is the x86_64 assembler implementation using SIMD
instructions.
config CRYPTO_MD4
tristate "MD4 digest algorithm"
select CRYPTO_HASH
help
MD4 message digest algorithm (RFC1320).
config CRYPTO_MD5
tristate "MD5 digest algorithm"
select CRYPTO_HASH
help
MD5 message digest algorithm (RFC1321).
config CRYPTO_MD5_OCTEON
tristate "MD5 digest algorithm (OCTEON)"
depends on CPU_CAVIUM_OCTEON
select CRYPTO_MD5
select CRYPTO_HASH
help
MD5 message digest algorithm (RFC1321) implemented
using OCTEON crypto instructions, when available.
config CRYPTO_MD5_PPC
tristate "MD5 digest algorithm (PPC)"
depends on PPC
select CRYPTO_HASH
help
MD5 message digest algorithm (RFC1321) implemented
in PPC assembler.
config CRYPTO_MD5_SPARC64
tristate "MD5 digest algorithm (SPARC64)"
depends on SPARC64
select CRYPTO_MD5
select CRYPTO_HASH
help
MD5 message digest algorithm (RFC1321) implemented
using sparc64 crypto instructions, when available.
config CRYPTO_MICHAEL_MIC
tristate "Michael MIC keyed digest algorithm"
select CRYPTO_HASH
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_RMD128
tristate "RIPEMD-128 digest algorithm"
select CRYPTO_HASH
help
RIPEMD-128 (ISO/IEC 10118-3:2004).
RIPEMD-128 is a 128-bit cryptographic hash function. It should only
be used as a secure replacement for RIPEMD. For other use cases,
RIPEMD-160 should be used.
Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
config CRYPTO_RMD160
tristate "RIPEMD-160 digest algorithm"
select CRYPTO_HASH
help
RIPEMD-160 (ISO/IEC 10118-3:2004).
RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
to be used as a secure replacement for the 128-bit hash functions
MD4, MD5 and it's predecessor RIPEMD
(not to be confused with RIPEMD-128).
It's speed is comparable to SHA1 and there are no known attacks
against RIPEMD-160.
Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
config CRYPTO_RMD256
tristate "RIPEMD-256 digest algorithm"
select CRYPTO_HASH
help
RIPEMD-256 is an optional extension of RIPEMD-128 with a
256 bit hash. It is intended for applications that require
longer hash-results, without needing a larger security level
(than RIPEMD-128).
Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
config CRYPTO_RMD320
tristate "RIPEMD-320 digest algorithm"
select CRYPTO_HASH
help
RIPEMD-320 is an optional extension of RIPEMD-160 with a
320 bit hash. It is intended for applications that require
longer hash-results, without needing a larger security level
(than RIPEMD-160).
Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
config CRYPTO_SHA1
tristate "SHA1 digest algorithm"
select CRYPTO_HASH
help
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
config CRYPTO_SHA1_SSSE3
tristate "SHA1 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)"
depends on X86 && 64BIT
select CRYPTO_SHA1
select CRYPTO_HASH
help
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
using Supplemental SSE3 (SSSE3) instructions or Advanced Vector
Extensions (AVX/AVX2) or SHA-NI(SHA Extensions New Instructions),
when available.
config CRYPTO_SHA256_SSSE3
tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)"
depends on X86 && 64BIT
select CRYPTO_SHA256
select CRYPTO_HASH
help
SHA-256 secure hash standard (DFIPS 180-2) implemented
using Supplemental SSE3 (SSSE3) instructions, or Advanced Vector
Extensions version 1 (AVX1), or Advanced Vector Extensions
version 2 (AVX2) instructions, or SHA-NI (SHA Extensions New
Instructions) when available.
config CRYPTO_SHA512_SSSE3
tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)"
depends on X86 && 64BIT
select CRYPTO_SHA512
select CRYPTO_HASH
help
SHA-512 secure hash standard (DFIPS 180-2) implemented
using Supplemental SSE3 (SSSE3) instructions, or Advanced Vector
Extensions version 1 (AVX1), or Advanced Vector Extensions
version 2 (AVX2) instructions, when available.
config CRYPTO_SHA1_OCTEON
tristate "SHA1 digest algorithm (OCTEON)"
depends on CPU_CAVIUM_OCTEON
select CRYPTO_SHA1
select CRYPTO_HASH
help
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
using OCTEON crypto instructions, when available.
config CRYPTO_SHA1_SPARC64
tristate "SHA1 digest algorithm (SPARC64)"
depends on SPARC64
select CRYPTO_SHA1
select CRYPTO_HASH
help
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
using sparc64 crypto instructions, when available.
config CRYPTO_SHA1_PPC
tristate "SHA1 digest algorithm (powerpc)"
depends on PPC
help
This is the powerpc hardware accelerated implementation of the
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
config CRYPTO_SHA1_PPC_SPE
tristate "SHA1 digest algorithm (PPC SPE)"
depends on PPC && SPE
help
SHA-1 secure hash standard (DFIPS 180-4) implemented
using powerpc SPE SIMD instruction set.
config CRYPTO_SHA1_MB
tristate "SHA1 digest algorithm (x86_64 Multi-Buffer, Experimental)"
depends on X86 && 64BIT
select CRYPTO_SHA1
select CRYPTO_HASH
select CRYPTO_MCRYPTD
help
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
using multi-buffer technique. This algorithm computes on
multiple data lanes concurrently with SIMD instructions for
better throughput. It should not be enabled by default but
used when there is significant amount of work to keep the keep
the data lanes filled to get performance benefit. If the data
lanes remain unfilled, a flush operation will be initiated to
process the crypto jobs, adding a slight latency.
config CRYPTO_SHA256_MB
tristate "SHA256 digest algorithm (x86_64 Multi-Buffer, Experimental)"
depends on X86 && 64BIT
select CRYPTO_SHA256
select CRYPTO_HASH
select CRYPTO_MCRYPTD
help
SHA-256 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
using multi-buffer technique. This algorithm computes on
multiple data lanes concurrently with SIMD instructions for
better throughput. It should not be enabled by default but
used when there is significant amount of work to keep the keep
the data lanes filled to get performance benefit. If the data
lanes remain unfilled, a flush operation will be initiated to
process the crypto jobs, adding a slight latency.
config CRYPTO_SHA512_MB
tristate "SHA512 digest algorithm (x86_64 Multi-Buffer, Experimental)"
depends on X86 && 64BIT
select CRYPTO_SHA512
select CRYPTO_HASH
select CRYPTO_MCRYPTD
help
SHA-512 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
using multi-buffer technique. This algorithm computes on
multiple data lanes concurrently with SIMD instructions for
better throughput. It should not be enabled by default but
used when there is significant amount of work to keep the keep
the data lanes filled to get performance benefit. If the data
lanes remain unfilled, a flush operation will be initiated to
process the crypto jobs, adding a slight latency.
config CRYPTO_SHA256
tristate "SHA224 and SHA256 digest algorithm"
select CRYPTO_HASH
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_SHA256_PPC_SPE
tristate "SHA224 and SHA256 digest algorithm (PPC SPE)"
depends on PPC && SPE
select CRYPTO_SHA256
select CRYPTO_HASH
help
SHA224 and SHA256 secure hash standard (DFIPS 180-2)
implemented using powerpc SPE SIMD instruction set.
config CRYPTO_SHA256_OCTEON
tristate "SHA224 and SHA256 digest algorithm (OCTEON)"
depends on CPU_CAVIUM_OCTEON
select CRYPTO_SHA256
select CRYPTO_HASH
help
SHA-256 secure hash standard (DFIPS 180-2) implemented
using OCTEON crypto instructions, when available.
config CRYPTO_SHA256_SPARC64
tristate "SHA224 and SHA256 digest algorithm (SPARC64)"
depends on SPARC64
select CRYPTO_SHA256
select CRYPTO_HASH
help
SHA-256 secure hash standard (DFIPS 180-2) implemented
using sparc64 crypto instructions, when available.
config CRYPTO_SHA512
tristate "SHA384 and SHA512 digest algorithms"
select CRYPTO_HASH
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_SHA512_OCTEON
tristate "SHA384 and SHA512 digest algorithms (OCTEON)"
depends on CPU_CAVIUM_OCTEON
select CRYPTO_SHA512
select CRYPTO_HASH
help
SHA-512 secure hash standard (DFIPS 180-2) implemented
using OCTEON crypto instructions, when available.
config CRYPTO_SHA512_SPARC64
tristate "SHA384 and SHA512 digest algorithm (SPARC64)"
depends on SPARC64
select CRYPTO_SHA512
select CRYPTO_HASH
help
SHA-512 secure hash standard (DFIPS 180-2) implemented
using sparc64 crypto instructions, when available.
config CRYPTO_SHA3
tristate "SHA3 digest algorithm"
select CRYPTO_HASH
help
SHA-3 secure hash standard (DFIPS 202). It's based on
cryptographic sponge function family called Keccak.
References:
http://keccak.noekeon.org/
config CRYPTO_SM3
tristate "SM3 digest algorithm"
select CRYPTO_HASH
help
SM3 secure hash function as defined by OSCCA GM/T 0004-2012 SM3).
It is part of the Chinese Commercial Cryptography suite.
References:
http://www.oscca.gov.cn/UpFile/20101222141857786.pdf
https://datatracker.ietf.org/doc/html/draft-shen-sm3-hash
config CRYPTO_TGR192
tristate "Tiger digest algorithms"
select CRYPTO_HASH
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_WP512
tristate "Whirlpool digest algorithms"
select CRYPTO_HASH
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://www.larc.usp.br/~pbarreto/WhirlpoolPage.html>
config CRYPTO_GHASH_CLMUL_NI_INTEL
tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
depends on X86 && 64BIT
select CRYPTO_CRYPTD
help
GHASH is message digest algorithm for GCM (Galois/Counter Mode).
The implementation is accelerated by CLMUL-NI of Intel.
comment "Ciphers"
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_TI
tristate "Fixed time AES cipher"
select CRYPTO_ALGAPI
help
This is a generic implementation of AES that attempts to eliminate
data dependent latencies as much as possible without affecting
performance too much. It is intended for use by the generic CCM
and GCM drivers, and other CTR or CMAC/XCBC based modes that rely
solely on encryption (although decryption is supported as well, but
with a more dramatic performance hit)
Instead of using 16 lookup tables of 1 KB each, (8 for encryption and
8 for decryption), this implementation only uses just two S-boxes of
256 bytes each, and attempts to eliminate data dependent latencies by
prefetching the entire table into the cache at the start of each
block.
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