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#
# Generic algorithms support
#
config XOR_BLOCKS
	tristate

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#
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# async_tx api: hardware offloaded memory transfer/transform support
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#
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source "crypto/async_tx/Kconfig"
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#
# Cryptographic API Configuration
#
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menuconfig CRYPTO
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	tristate "Cryptographic API"
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	help
	  This option provides the core Cryptographic API.

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if CRYPTO

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comment "Crypto core or helper"

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config CRYPTO_FIPS
	bool "FIPS 200 compliance"
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	depends on CRYPTO_ANSI_CPRNG && !CRYPTO_MANAGER_DISABLE_TESTS
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	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
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	  this is.
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config CRYPTO_ALGAPI
	tristate
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	select CRYPTO_ALGAPI2
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	help
	  This option provides the API for cryptographic algorithms.

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config CRYPTO_ALGAPI2
	tristate

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config CRYPTO_AEAD
	tristate
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	select CRYPTO_AEAD2
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	select CRYPTO_ALGAPI

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config CRYPTO_AEAD2
	tristate
	select CRYPTO_ALGAPI2

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config CRYPTO_BLKCIPHER
	tristate
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	select CRYPTO_BLKCIPHER2
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	select CRYPTO_ALGAPI
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config CRYPTO_BLKCIPHER2
	tristate
	select CRYPTO_ALGAPI2
	select CRYPTO_RNG2
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	select CRYPTO_WORKQUEUE
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config CRYPTO_HASH
	tristate
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	select CRYPTO_HASH2
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	select CRYPTO_ALGAPI

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config CRYPTO_HASH2
	tristate
	select CRYPTO_ALGAPI2

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config CRYPTO_RNG
	tristate
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	select CRYPTO_RNG2
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	select CRYPTO_ALGAPI

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config CRYPTO_RNG2
	tristate
	select CRYPTO_ALGAPI2

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config CRYPTO_PCOMP
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	tristate
	select CRYPTO_PCOMP2
	select CRYPTO_ALGAPI

config CRYPTO_PCOMP2
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	tristate
	select CRYPTO_ALGAPI2

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config CRYPTO_MANAGER
	tristate "Cryptographic algorithm manager"
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	select CRYPTO_MANAGER2
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	help
	  Create default cryptographic template instantiations such as
	  cbc(aes).

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config CRYPTO_MANAGER2
	def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
	select CRYPTO_AEAD2
	select CRYPTO_HASH2
	select CRYPTO_BLKCIPHER2
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	select CRYPTO_PCOMP2
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config CRYPTO_USER
	tristate "Userspace cryptographic algorithm configuration"
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	depends on NET
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	select CRYPTO_MANAGER
	help
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	  Userspace configuration for cryptographic instantiations such as
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	  cbc(aes).

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config CRYPTO_MANAGER_DISABLE_TESTS
	bool "Disable run-time self tests"
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	default y
	depends on CRYPTO_MANAGER2
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	help
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	  Disable run-time self tests that normally take place at
	  algorithm registration.
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config CRYPTO_GF128MUL
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	tristate "GF(2^128) multiplication functions"
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	help
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	  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.
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config CRYPTO_NULL
	tristate "Null algorithms"
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	select CRYPTO_ALGAPI
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	select CRYPTO_BLKCIPHER
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	select CRYPTO_HASH
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	help
	  These are 'Null' algorithms, used by IPsec, which do nothing.

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config CRYPTO_PCRYPT
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	tristate "Parallel crypto engine"
	depends on SMP
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	select PADATA
	select CRYPTO_MANAGER
	select CRYPTO_AEAD
	help
	  This converts an arbitrary crypto algorithm into a parallel
	  algorithm that executes in kernel threads.

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config CRYPTO_WORKQUEUE
       tristate

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config CRYPTO_CRYPTD
	tristate "Software async crypto daemon"
	select CRYPTO_BLKCIPHER
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	select CRYPTO_HASH
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	select CRYPTO_MANAGER
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	select CRYPTO_WORKQUEUE
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	help
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	  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.
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config CRYPTO_AUTHENC
	tristate "Authenc support"
	select CRYPTO_AEAD
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	select CRYPTO_HASH
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	help
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	  Authenc: Combined mode wrapper for IPsec.
	  This is required for IPSec.
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config CRYPTO_TEST
	tristate "Testing module"
	depends on m
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	select CRYPTO_MANAGER
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	help
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	  Quick & dirty crypto test module.
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config CRYPTO_ABLK_HELPER_X86
	tristate
	depends on X86
	select CRYPTO_CRYPTD

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config CRYPTO_GLUE_HELPER_X86
	tristate
	depends on X86
	select CRYPTO_ALGAPI

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comment "Authenticated Encryption with Associated Data"
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config CRYPTO_CCM
	tristate "CCM support"
	select CRYPTO_CTR
	select CRYPTO_AEAD
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	help
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	  Support for Counter with CBC MAC. Required for IPsec.
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config CRYPTO_GCM
	tristate "GCM/GMAC support"
	select CRYPTO_CTR
	select CRYPTO_AEAD
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	select CRYPTO_GHASH
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	select CRYPTO_NULL
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	help
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	  Support for Galois/Counter Mode (GCM) and Galois Message
	  Authentication Code (GMAC). Required for IPSec.
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config CRYPTO_SEQIV
	tristate "Sequence Number IV Generator"
	select CRYPTO_AEAD
	select CRYPTO_BLKCIPHER
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	select CRYPTO_RNG
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	help
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	  This IV generator generates an IV based on a sequence number by
	  xoring it with a salt.  This algorithm is mainly useful for CTR
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comment "Block modes"
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config CRYPTO_CBC
	tristate "CBC support"
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	select CRYPTO_BLKCIPHER
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	select CRYPTO_MANAGER
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	help
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	  CBC: Cipher Block Chaining mode
	  This block cipher algorithm is required for IPSec.
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config CRYPTO_CTR
	tristate "CTR support"
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	select CRYPTO_BLKCIPHER
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	select CRYPTO_SEQIV
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	select CRYPTO_MANAGER
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	help
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	  CTR: Counter mode
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	  This block cipher algorithm is required for IPSec.

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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"
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	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	help
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	  ECB: Electronic CodeBook mode
	  This is the simplest block cipher algorithm.  It simply encrypts
	  the input block by block.
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config CRYPTO_LRW
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	tristate "LRW support"
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	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.

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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.

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config CRYPTO_XTS
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	tristate "XTS support"
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	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.

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comment "Hash modes"

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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

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

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comment "Digest"
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config CRYPTO_CRC32C
	tristate "CRC32c CRC algorithm"
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	select CRYPTO_HASH
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	select CRC32
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	help
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	  Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
	  by iSCSI for header and data digests and by others.
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	  See Castagnoli93.  Module will be crc32c.
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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.

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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.

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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.

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config CRYPTO_GHASH
	tristate "GHASH digest algorithm"
	select CRYPTO_GF128MUL
	help
	  GHASH is message digest algorithm for GCM (Galois/Counter Mode).

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config CRYPTO_MD4
	tristate "MD4 digest algorithm"
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	select CRYPTO_HASH
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	help
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	  MD4 message digest algorithm (RFC1320).
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config CRYPTO_MD5
	tristate "MD5 digest algorithm"
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	select CRYPTO_HASH
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	help
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	  MD5 message digest algorithm (RFC1321).
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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.

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config CRYPTO_MICHAEL_MIC
	tristate "Michael MIC keyed digest algorithm"
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	select CRYPTO_HASH
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	help
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	  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.
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config CRYPTO_RMD128
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	tristate "RIPEMD-128 digest algorithm"
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	select CRYPTO_HASH
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	help
	  RIPEMD-128 (ISO/IEC 10118-3:2004).
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	  RIPEMD-128 is a 128-bit cryptographic hash function. It should only
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	  be used as a secure replacement for RIPEMD. For other use cases,
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	  RIPEMD-160 should be used.
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	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
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	  See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
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config CRYPTO_RMD160
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	tristate "RIPEMD-160 digest algorithm"
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	select CRYPTO_HASH
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	help
	  RIPEMD-160 (ISO/IEC 10118-3:2004).
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	  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).
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	  It's speed is comparable to SHA1 and there are no known attacks
	  against RIPEMD-160.
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	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
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	  See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
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config CRYPTO_RMD256
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	tristate "RIPEMD-256 digest algorithm"
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	select CRYPTO_HASH
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	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).
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	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
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	  See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
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config CRYPTO_RMD320
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	tristate "RIPEMD-320 digest algorithm"
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	select CRYPTO_HASH
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	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).
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	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
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	  See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
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config CRYPTO_SHA1
	tristate "SHA1 digest algorithm"
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	select CRYPTO_HASH
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	help
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	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
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config CRYPTO_SHA1_SSSE3
	tristate "SHA1 digest algorithm (SSSE3/AVX)"
	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), when available.

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config CRYPTO_SHA256_SSSE3
	tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2)"
	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
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	  version 2 (AVX2) 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
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	  version 2 (AVX2) instructions, when available.

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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.

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config CRYPTO_SHA1_ARM
	tristate "SHA1 digest algorithm (ARM-asm)"
	depends on ARM
	select CRYPTO_SHA1
	select CRYPTO_HASH
	help
	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
	  using optimized ARM assembler.

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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).

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config CRYPTO_SHA256
	tristate "SHA224 and SHA256 digest algorithm"
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	select CRYPTO_HASH
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	help
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	  SHA256 secure hash standard (DFIPS 180-2).
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	  This version of SHA implements a 256 bit hash with 128 bits of
	  security against collision attacks.
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	  This code also includes SHA-224, a 224 bit hash with 112 bits
	  of security against collision attacks.
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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.

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config CRYPTO_SHA512
	tristate "SHA384 and SHA512 digest algorithms"
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	select CRYPTO_HASH
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	help
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	  SHA512 secure hash standard (DFIPS 180-2).
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	  This version of SHA implements a 512 bit hash with 256 bits of
	  security against collision attacks.
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	  This code also includes SHA-384, a 384 bit hash with 192 bits
	  of security against collision attacks.
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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.

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config CRYPTO_TGR192
	tristate "Tiger digest algorithms"
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	select CRYPTO_HASH
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	help
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	  Tiger hash algorithm 192, 160 and 128-bit hashes
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	  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.
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	  See also:
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	  <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
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config CRYPTO_WP512
	tristate "Whirlpool digest algorithms"
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	select CRYPTO_HASH
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	help
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	  Whirlpool hash algorithm 512, 384 and 256-bit hashes
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	  Whirlpool-512 is part of the NESSIE cryptographic primitives.
	  Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
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	  See also:
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	  <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html>
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config CRYPTO_GHASH_CLMUL_NI_INTEL
	tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
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	depends on X86 && 64BIT
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	select CRYPTO_CRYPTD
	help
	  GHASH is message digest algorithm for GCM (Galois/Counter Mode).
	  The implementation is accelerated by CLMUL-NI of Intel.

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

	  Rijndael appears to be consistently a very good performer in
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	  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.
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625
	  The AES specifies three key sizes: 128, 192 and 256 bits
L
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626 627 628 629 630

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

config CRYPTO_AES_586
	tristate "AES cipher algorithms (i586)"
631 632
	depends on (X86 || UML_X86) && !64BIT
	select CRYPTO_ALGAPI
633
	select CRYPTO_AES
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634
	help
635
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael
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	  algorithm.

	  Rijndael appears to be consistently a very good performer in
639 640 641 642 643 644 645
	  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.
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646

647
	  The AES specifies three key sizes: 128, 192 and 256 bits
A
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648 649 650 651 652

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

config CRYPTO_AES_X86_64
	tristate "AES cipher algorithms (x86_64)"
653 654
	depends on (X86 || UML_X86) && 64BIT
	select CRYPTO_ALGAPI
655
	select CRYPTO_AES
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656
	help
657
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael
A
Andreas Steinmetz 已提交
658 659 660
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
661 662 663
	  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
664 665 666 667 668 669 670 671 672 673 674
	  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_NI_INTEL
	tristate "AES cipher algorithms (AES-NI)"
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675
	depends on X86
676 677
	select CRYPTO_AES_X86_64 if 64BIT
	select CRYPTO_AES_586 if !64BIT
678
	select CRYPTO_CRYPTD
679
	select CRYPTO_ABLK_HELPER_X86
680
	select CRYPTO_ALGAPI
681
	select CRYPTO_GLUE_HELPER if 64BIT
682 683
	select CRYPTO_LRW
	select CRYPTO_XTS
684 685 686 687 688 689 690 691 692 693
	help
	  Use Intel AES-NI instructions for AES algorithm.

	  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
694 695 696 697
	  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.
A
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698

699
	  The AES specifies three key sizes: 128, 192 and 256 bits
L
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700 701 702

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

703 704 705 706
	  In addition to AES cipher algorithm support, the acceleration
	  for some popular block cipher mode is supported too, including
	  ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional
	  acceleration for CTR.
707

708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735
config CRYPTO_AES_SPARC64
	tristate "AES cipher algorithms (SPARC64)"
	depends on SPARC64
	select CRYPTO_CRYPTD
	select CRYPTO_ALGAPI
	help
	  Use SPARC64 crypto opcodes for AES algorithm.

	  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.

	  In addition to AES cipher algorithm support, the acceleration
	  for some popular block cipher mode is supported too, including
	  ECB and CBC.

736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759
config CRYPTO_AES_ARM
	tristate "AES cipher algorithms (ARM-asm)"
	depends on ARM
	select CRYPTO_ALGAPI
	select CRYPTO_AES
	help
	  Use optimized AES assembler routines for ARM platforms.

	  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.

760 761 762 763 764 765 766 767 768 769 770
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:
771 772
	  <https://www.cosic.esat.kuleuven.be/nessie/reports/>
	  <http://www.larc.usp.br/~pbarreto/AnubisPage.html>
773 774 775

config CRYPTO_ARC4
	tristate "ARC4 cipher algorithm"
776
	select CRYPTO_BLKCIPHER
777 778 779 780 781 782 783 784 785 786 787
	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_BLOWFISH
	tristate "Blowfish cipher algorithm"
	select CRYPTO_ALGAPI
788
	select CRYPTO_BLOWFISH_COMMON
789 790 791 792 793 794 795 796 797 798
	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>

799 800 801 802 803 804 805 806 807
config CRYPTO_BLOWFISH_COMMON
	tristate
	help
	  Common parts of the Blowfish cipher algorithm shared by the
	  generic c and the assembler implementations.

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

808 809
config CRYPTO_BLOWFISH_X86_64
	tristate "Blowfish cipher algorithm (x86_64)"
810
	depends on X86 && 64BIT
811 812 813 814 815 816 817 818 819 820 821 822
	select CRYPTO_ALGAPI
	select CRYPTO_BLOWFISH_COMMON
	help
	  Blowfish cipher algorithm (x86_64), 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>

823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
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>

838 839
config CRYPTO_CAMELLIA_X86_64
	tristate "Camellia cipher algorithm (x86_64)"
840
	depends on X86 && 64BIT
841 842
	depends on CRYPTO
	select CRYPTO_ALGAPI
843
	select CRYPTO_GLUE_HELPER_X86
844 845 846 847 848 849 850 851 852 853 854
	select CRYPTO_LRW
	select CRYPTO_XTS
	help
	  Camellia cipher algorithm module (x86_64).

	  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:
855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876
	  <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>

config CRYPTO_CAMELLIA_AESNI_AVX_X86_64
	tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX)"
	depends on X86 && 64BIT
	depends on CRYPTO
	select CRYPTO_ALGAPI
	select CRYPTO_CRYPTD
	select CRYPTO_ABLK_HELPER_X86
	select CRYPTO_GLUE_HELPER_X86
	select CRYPTO_CAMELLIA_X86_64
	select CRYPTO_LRW
	select CRYPTO_XTS
	help
	  Camellia cipher algorithm module (x86_64/AES-NI/AVX).

	  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:
877 878
	  <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>

879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894
config CRYPTO_CAMELLIA_SPARC64
	tristate "Camellia cipher algorithm (SPARC64)"
	depends on SPARC64
	depends on CRYPTO
	select CRYPTO_ALGAPI
	help
	  Camellia cipher algorithm module (SPARC64).

	  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>

895 896 897 898 899 900
config CRYPTO_CAST_COMMON
	tristate
	help
	  Common parts of the CAST cipher algorithms shared by the
	  generic c and the assembler implementations.

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901 902
config CRYPTO_CAST5
	tristate "CAST5 (CAST-128) cipher algorithm"
903
	select CRYPTO_ALGAPI
904
	select CRYPTO_CAST_COMMON
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905 906 907 908
	help
	  The CAST5 encryption algorithm (synonymous with CAST-128) is
	  described in RFC2144.

909 910 911 912 913 914
config CRYPTO_CAST5_AVX_X86_64
	tristate "CAST5 (CAST-128) cipher algorithm (x86_64/AVX)"
	depends on X86 && 64BIT
	select CRYPTO_ALGAPI
	select CRYPTO_CRYPTD
	select CRYPTO_ABLK_HELPER_X86
915
	select CRYPTO_CAST_COMMON
916 917 918 919 920 921 922 923
	select CRYPTO_CAST5
	help
	  The CAST5 encryption algorithm (synonymous with CAST-128) is
	  described in RFC2144.

	  This module provides the Cast5 cipher algorithm that processes
	  sixteen blocks parallel using the AVX instruction set.

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924 925
config CRYPTO_CAST6
	tristate "CAST6 (CAST-256) cipher algorithm"
926
	select CRYPTO_ALGAPI
927
	select CRYPTO_CAST_COMMON
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928 929 930 931
	help
	  The CAST6 encryption algorithm (synonymous with CAST-256) is
	  described in RFC2612.

932 933 934 935 936 937 938
config CRYPTO_CAST6_AVX_X86_64
	tristate "CAST6 (CAST-256) cipher algorithm (x86_64/AVX)"
	depends on X86 && 64BIT
	select CRYPTO_ALGAPI
	select CRYPTO_CRYPTD
	select CRYPTO_ABLK_HELPER_X86
	select CRYPTO_GLUE_HELPER_X86
939
	select CRYPTO_CAST_COMMON
940 941 942 943 944 945 946 947 948 949
	select CRYPTO_CAST6
	select CRYPTO_LRW
	select CRYPTO_XTS
	help
	  The CAST6 encryption algorithm (synonymous with CAST-256) is
	  described in RFC2612.

	  This module provides the Cast6 cipher algorithm that processes
	  eight blocks parallel using the AVX instruction set.

950 951
config CRYPTO_DES
	tristate "DES and Triple DES EDE cipher algorithms"
952
	select CRYPTO_ALGAPI
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953
	help
954
	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
A
Aaron Grothe 已提交
955

956 957
config CRYPTO_DES_SPARC64
	tristate "DES and Triple DES EDE cipher algorithms (SPARC64)"
958
	depends on SPARC64
959 960 961 962 963 964
	select CRYPTO_ALGAPI
	select CRYPTO_DES
	help
	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3),
	  optimized using SPARC64 crypto opcodes.

965 966
config CRYPTO_FCRYPT
	tristate "FCrypt cipher algorithm"
967
	select CRYPTO_ALGAPI
968
	select CRYPTO_BLKCIPHER
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969
	help
970
	  FCrypt algorithm used by RxRPC.
L
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971 972 973

config CRYPTO_KHAZAD
	tristate "Khazad cipher algorithm"
974
	select CRYPTO_ALGAPI
L
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975 976 977 978 979 980 981 982
	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:
983
	  <http://www.larc.usp.br/~pbarreto/KhazadPage.html>
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984

985
config CRYPTO_SALSA20
986
	tristate "Salsa20 stream cipher algorithm"
987 988 989 990 991 992
	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/>
993 994 995 996 997

	  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
998
	tristate "Salsa20 stream cipher algorithm (i586)"
999 1000 1001 1002 1003 1004 1005
	depends on (X86 || UML_X86) && !64BIT
	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/>
1006 1007 1008 1009 1010

	  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
1011
	tristate "Salsa20 stream cipher algorithm (x86_64)"
1012 1013 1014 1015 1016 1017 1018
	depends on (X86 || UML_X86) && 64BIT
	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/>
1019 1020 1021

	  The Salsa20 stream cipher algorithm is designed by Daniel J.
	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
L
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1022

1023 1024
config CRYPTO_SEED
	tristate "SEED cipher algorithm"
1025
	select CRYPTO_ALGAPI
L
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1026
	help
1027
	  SEED cipher algorithm (RFC4269).
L
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1028

1029 1030 1031 1032 1033 1034 1035 1036 1037 1038
	  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_SERPENT
	tristate "Serpent cipher algorithm"
1039
	select CRYPTO_ALGAPI
L
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1040
	help
1041
	  Serpent cipher algorithm, by Anderson, Biham & Knudsen.
L
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1042

1043 1044 1045 1046 1047 1048 1049
	  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>

1050 1051 1052 1053
config CRYPTO_SERPENT_SSE2_X86_64
	tristate "Serpent cipher algorithm (x86_64/SSE2)"
	depends on X86 && 64BIT
	select CRYPTO_ALGAPI
1054
	select CRYPTO_CRYPTD
1055
	select CRYPTO_ABLK_HELPER_X86
1056
	select CRYPTO_GLUE_HELPER_X86
1057
	select CRYPTO_SERPENT
1058 1059
	select CRYPTO_LRW
	select CRYPTO_XTS
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071
	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.

	  This module provides Serpent cipher algorithm that processes eigth
	  blocks parallel using SSE2 instruction set.

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

1072 1073 1074 1075
config CRYPTO_SERPENT_SSE2_586
	tristate "Serpent cipher algorithm (i586/SSE2)"
	depends on X86 && !64BIT
	select CRYPTO_ALGAPI
1076
	select CRYPTO_CRYPTD
1077
	select CRYPTO_ABLK_HELPER_X86
1078
	select CRYPTO_GLUE_HELPER_X86
1079
	select CRYPTO_SERPENT
1080 1081
	select CRYPTO_LRW
	select CRYPTO_XTS
1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092
	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.

	  This module provides Serpent cipher algorithm that processes four
	  blocks parallel using SSE2 instruction set.

	  See also:
	  <http://www.cl.cam.ac.uk/~rja14/serpent.html>
1093 1094 1095 1096 1097 1098

config CRYPTO_SERPENT_AVX_X86_64
	tristate "Serpent cipher algorithm (x86_64/AVX)"
	depends on X86 && 64BIT
	select CRYPTO_ALGAPI
	select CRYPTO_CRYPTD
1099
	select CRYPTO_ABLK_HELPER_X86
1100
	select CRYPTO_GLUE_HELPER_X86
1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114
	select CRYPTO_SERPENT
	select CRYPTO_LRW
	select CRYPTO_XTS
	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.

	  This module provides the Serpent cipher algorithm that processes
	  eight blocks parallel using the AVX instruction set.

	  See also:
	  <http://www.cl.cam.ac.uk/~rja14/serpent.html>
1115

1116 1117
config CRYPTO_TEA
	tristate "TEA, XTEA and XETA cipher algorithms"
1118
	select CRYPTO_ALGAPI
L
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1119
	help
1120
	  TEA cipher algorithm.
L
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1121

1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134
	  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_TWOFISH
	tristate "Twofish cipher algorithm"
1135
	select CRYPTO_ALGAPI
1136
	select CRYPTO_TWOFISH_COMMON
1137
	help
1138
	  Twofish cipher algorithm.
1139

1140 1141 1142 1143
	  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.
1144

1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165
	  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.
1166 1167

	  See also:
1168
	  <http://www.schneier.com/twofish.html>
1169

1170 1171 1172
config CRYPTO_TWOFISH_X86_64
	tristate "Twofish cipher algorithm (x86_64)"
	depends on (X86 || UML_X86) && 64BIT
1173
	select CRYPTO_ALGAPI
1174
	select CRYPTO_TWOFISH_COMMON
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1175
	help
1176
	  Twofish cipher algorithm (x86_64).
L
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1177

1178 1179 1180 1181 1182 1183 1184 1185
	  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>

1186 1187
config CRYPTO_TWOFISH_X86_64_3WAY
	tristate "Twofish cipher algorithm (x86_64, 3-way parallel)"
1188
	depends on X86 && 64BIT
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	select CRYPTO_ALGAPI
	select CRYPTO_TWOFISH_COMMON
	select CRYPTO_TWOFISH_X86_64
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	select CRYPTO_GLUE_HELPER_X86
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	select CRYPTO_LRW
	select CRYPTO_XTS
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	help
	  Twofish cipher algorithm (x86_64, 3-way parallel).

	  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.

	  This module provides Twofish cipher algorithm that processes three
	  blocks parallel, utilizing resources of out-of-order CPUs better.

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

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config CRYPTO_TWOFISH_AVX_X86_64
	tristate "Twofish cipher algorithm (x86_64/AVX)"
	depends on X86 && 64BIT
	select CRYPTO_ALGAPI
	select CRYPTO_CRYPTD
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	select CRYPTO_ABLK_HELPER_X86
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	select CRYPTO_GLUE_HELPER_X86
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	select CRYPTO_TWOFISH_COMMON
	select CRYPTO_TWOFISH_X86_64
	select CRYPTO_TWOFISH_X86_64_3WAY
	select CRYPTO_LRW
	select CRYPTO_XTS
	help
	  Twofish cipher algorithm (x86_64/AVX).

	  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.

	  This module provides the Twofish cipher algorithm that processes
	  eight blocks parallel using the AVX Instruction Set.

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

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comment "Compression"

config CRYPTO_DEFLATE
	tristate "Deflate compression algorithm"
	select CRYPTO_ALGAPI
	select ZLIB_INFLATE
	select ZLIB_DEFLATE
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	help
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	  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.
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config CRYPTO_ZLIB
	tristate "Zlib compression algorithm"
	select CRYPTO_PCOMP
	select ZLIB_INFLATE
	select ZLIB_DEFLATE
	select NLATTR
	help
	  This is the zlib algorithm.

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config CRYPTO_LZO
	tristate "LZO compression algorithm"
	select CRYPTO_ALGAPI
	select LZO_COMPRESS
	select LZO_DECOMPRESS
	help
	  This is the LZO algorithm.

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config CRYPTO_842
	tristate "842 compression algorithm"
	depends on CRYPTO_DEV_NX_COMPRESS
	# 842 uses lzo if the hardware becomes unavailable
	select LZO_COMPRESS
	select LZO_DECOMPRESS
	help
	  This is the 842 algorithm.

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comment "Random Number Generation"

config CRYPTO_ANSI_CPRNG
	tristate "Pseudo Random Number Generation for Cryptographic modules"
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	default m
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	select CRYPTO_AES
	select CRYPTO_RNG
	help
	  This option enables the generic pseudo random number generator
	  for cryptographic modules.  Uses the Algorithm specified in
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	  ANSI X9.31 A.2.4. Note that this option must be enabled if
	  CRYPTO_FIPS is selected
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config CRYPTO_USER_API
	tristate

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config CRYPTO_USER_API_HASH
	tristate "User-space interface for hash algorithms"
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	depends on NET
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	select CRYPTO_HASH
	select CRYPTO_USER_API
	help
	  This option enables the user-spaces interface for hash
	  algorithms.

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config CRYPTO_USER_API_SKCIPHER
	tristate "User-space interface for symmetric key cipher algorithms"
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	depends on NET
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	select CRYPTO_BLKCIPHER
	select CRYPTO_USER_API
	help
	  This option enables the user-spaces interface for symmetric
	  key cipher algorithms.

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source "drivers/crypto/Kconfig"
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source crypto/asymmetric_keys/Kconfig
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endif	# if CRYPTO