crypto/Kconfig

   1 #
   2 # Generic algorithms support
   3 #
   4 config XOR_BLOCKS
   5         tristate
   6
   7 #
   8 # async_tx api: hardware offloaded memory transfer/transform support
   9 #
  10 source "crypto/async_tx/Kconfig"
  11
  12 #
  13 # Cryptographic API Configuration
  14 #
  15 menuconfig CRYPTO
  16         tristate "Cryptographic API"
  17         help
  18           This option provides the core Cryptographic API.
  19
  20 if CRYPTO
  21
  22 comment "Crypto core or helper"
  23
  24 config CRYPTO_FIPS
  25         bool "FIPS 200 compliance"
  26         help
  27           This options enables the fips boot option which is
  28           required if you want to system to operate in a FIPS 200
  29           certification.  You should say no unless you know what
  30           this is.
  31
  32 config CRYPTO_ALGAPI
  33         tristate
  34         select CRYPTO_ALGAPI2
  35         help
  36           This option provides the API for cryptographic algorithms.
  37
  38 config CRYPTO_ALGAPI2
  39         tristate
  40
  41 config CRYPTO_AEAD
  42         tristate
  43         select CRYPTO_AEAD2
  44         select CRYPTO_ALGAPI
  45
  46 config CRYPTO_AEAD2
  47         tristate
  48         select CRYPTO_ALGAPI2
  49
  50 config CRYPTO_BLKCIPHER
  51         tristate
  52         select CRYPTO_BLKCIPHER2
  53         select CRYPTO_ALGAPI
  54
  55 config CRYPTO_BLKCIPHER2
  56         tristate
  57         select CRYPTO_ALGAPI2
  58         select CRYPTO_RNG2
  59
  60 config CRYPTO_HASH
  61         tristate
  62         select CRYPTO_HASH2
  63         select CRYPTO_ALGAPI
  64
  65 config CRYPTO_HASH2
  66         tristate
  67         select CRYPTO_ALGAPI2
  68
  69 config CRYPTO_RNG
  70         tristate
  71         select CRYPTO_RNG2
  72         select CRYPTO_ALGAPI
  73
  74 config CRYPTO_RNG2
  75         tristate
  76         select CRYPTO_ALGAPI2
  77
  78 config CRYPTO_MANAGER
  79         tristate "Cryptographic algorithm manager"
  80         select CRYPTO_MANAGER2
  81         help
  82           Create default cryptographic template instantiations such as
  83           cbc(aes).
  84
  85 config CRYPTO_MANAGER2
  86         def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
  87         select CRYPTO_AEAD2
  88         select CRYPTO_HASH2
  89         select CRYPTO_BLKCIPHER2
  90
  91 config CRYPTO_GF128MUL
  92         tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
  93         depends on EXPERIMENTAL
  94         help
  95           Efficient table driven implementation of multiplications in the
  96           field GF(2^128).  This is needed by some cypher modes. This
  97           option will be selected automatically if you select such a
  98           cipher mode.  Only select this option by hand if you expect to load
  99           an external module that requires these functions.
 100
 101 config CRYPTO_NULL
 102         tristate "Null algorithms"
 103         select CRYPTO_ALGAPI
 104         select CRYPTO_BLKCIPHER
 105         help
 106           These are 'Null' algorithms, used by IPsec, which do nothing.
 107
 108 config CRYPTO_CRYPTD
 109         tristate "Software async crypto daemon"
 110         select CRYPTO_BLKCIPHER
 111         select CRYPTO_HASH
 112         select CRYPTO_MANAGER
 113         help
 114           This is a generic software asynchronous crypto daemon that
 115           converts an arbitrary synchronous software crypto algorithm
 116           into an asynchronous algorithm that executes in a kernel thread.
 117
 118 config CRYPTO_AUTHENC
 119         tristate "Authenc support"
 120         select CRYPTO_AEAD
 121         select CRYPTO_BLKCIPHER
 122         select CRYPTO_MANAGER
 123         select CRYPTO_HASH
 124         help
 125           Authenc: Combined mode wrapper for IPsec.
 126           This is required for IPSec.
 127
 128 config CRYPTO_TEST
 129         tristate "Testing module"
 130         depends on m
 131         select CRYPTO_MANAGER
 132         help
 133           Quick & dirty crypto test module.
 134
 135 comment "Authenticated Encryption with Associated Data"
 136
 137 config CRYPTO_CCM
 138         tristate "CCM support"
 139         select CRYPTO_CTR
 140         select CRYPTO_AEAD
 141         help
 142           Support for Counter with CBC MAC. Required for IPsec.
 143
 144 config CRYPTO_GCM
 145         tristate "GCM/GMAC support"
 146         select CRYPTO_CTR
 147         select CRYPTO_AEAD
 148         select CRYPTO_GF128MUL
 149         help
 150           Support for Galois/Counter Mode (GCM) and Galois Message
 151           Authentication Code (GMAC). Required for IPSec.
 152
 153 config CRYPTO_SEQIV
 154         tristate "Sequence Number IV Generator"
 155         select CRYPTO_AEAD
 156         select CRYPTO_BLKCIPHER
 157         select CRYPTO_RNG
 158         help
 159           This IV generator generates an IV based on a sequence number by
 160           xoring it with a salt.  This algorithm is mainly useful for CTR
 161
 162 comment "Block modes"
 163
 164 config CRYPTO_CBC
 165         tristate "CBC support"
 166         select CRYPTO_BLKCIPHER
 167         select CRYPTO_MANAGER
 168         help
 169           CBC: Cipher Block Chaining mode
 170           This block cipher algorithm is required for IPSec.
 171
 172 config CRYPTO_CTR
 173         tristate "CTR support"
 174         select CRYPTO_BLKCIPHER
 175         select CRYPTO_SEQIV
 176         select CRYPTO_MANAGER
 177         help
 178           CTR: Counter mode
 179           This block cipher algorithm is required for IPSec.
 180
 181 config CRYPTO_CTS
 182         tristate "CTS support"
 183         select CRYPTO_BLKCIPHER
 184         help
 185           CTS: Cipher Text Stealing
 186           This is the Cipher Text Stealing mode as described by
 187           Section 8 of rfc2040 and referenced by rfc3962.
 188           (rfc3962 includes errata information in its Appendix A)
 189           This mode is required for Kerberos gss mechanism support
 190           for AES encryption.
 191
 192 config CRYPTO_ECB
 193         tristate "ECB support"
 194         select CRYPTO_BLKCIPHER
 195         select CRYPTO_MANAGER
 196         help
 197           ECB: Electronic CodeBook mode
 198           This is the simplest block cipher algorithm.  It simply encrypts
 199           the input block by block.
 200
 201 config CRYPTO_LRW
 202         tristate "LRW support (EXPERIMENTAL)"
 203         depends on EXPERIMENTAL
 204         select CRYPTO_BLKCIPHER
 205         select CRYPTO_MANAGER
 206         select CRYPTO_GF128MUL
 207         help
 208           LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
 209           narrow block cipher mode for dm-crypt.  Use it with cipher
 210           specification string aes-lrw-benbi, the key must be 256, 320 or 384.
 211           The first 128, 192 or 256 bits in the key are used for AES and the
 212           rest is used to tie each cipher block to its logical position.
 213
 214 config CRYPTO_PCBC
 215         tristate "PCBC support"
 216         select CRYPTO_BLKCIPHER
 217         select CRYPTO_MANAGER
 218         help
 219           PCBC: Propagating Cipher Block Chaining mode
 220           This block cipher algorithm is required for RxRPC.
 221
 222 config CRYPTO_XTS
 223         tristate "XTS support (EXPERIMENTAL)"
 224         depends on EXPERIMENTAL
 225         select CRYPTO_BLKCIPHER
 226         select CRYPTO_MANAGER
 227         select CRYPTO_GF128MUL
 228         help
 229           XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
 230           key size 256, 384 or 512 bits. This implementation currently
 231           can't handle a sectorsize which is not a multiple of 16 bytes.
 232
 233 comment "Hash modes"
 234
 235 config CRYPTO_HMAC
 236         tristate "HMAC support"
 237         select CRYPTO_HASH
 238         select CRYPTO_MANAGER
 239         help
 240           HMAC: Keyed-Hashing for Message Authentication (RFC2104).
 241           This is required for IPSec.
 242
 243 config CRYPTO_XCBC
 244         tristate "XCBC support"
 245         depends on EXPERIMENTAL
 246         select CRYPTO_HASH
 247         select CRYPTO_MANAGER
 248         help
 249           XCBC: Keyed-Hashing with encryption algorithm
 250                 http://www.ietf.org/rfc/rfc3566.txt
 251                 http://csrc.nist.gov/encryption/modes/proposedmodes/
 252                  xcbc-mac/xcbc-mac-spec.pdf
 253
 254 comment "Digest"
 255
 256 config CRYPTO_CRC32C
 257         tristate "CRC32c CRC algorithm"
 258         select CRYPTO_HASH
 259         select LIBCRC32C
 260         help
 261           Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
 262           by iSCSI for header and data digests and by others.
 263           See Castagnoli93.  This implementation uses lib/libcrc32c.
 264           Module will be crc32c.
 265
 266 config CRYPTO_CRC32C_INTEL
 267         tristate "CRC32c INTEL hardware acceleration"
 268         depends on X86
 269         select CRYPTO_HASH
 270         help
 271           In Intel processor with SSE4.2 supported, the processor will
 272           support CRC32C implementation using hardware accelerated CRC32
 273           instruction. This option will create 'crc32c-intel' module,
 274           which will enable any routine to use the CRC32 instruction to
 275           gain performance compared with software implementation.
 276           Module will be crc32c-intel.
 277
 278 config CRYPTO_MD4
 279         tristate "MD4 digest algorithm"
 280         select CRYPTO_ALGAPI
 281         help
 282           MD4 message digest algorithm (RFC1320).
 283
 284 config CRYPTO_MD5
 285         tristate "MD5 digest algorithm"
 286         select CRYPTO_ALGAPI
 287         help
 288           MD5 message digest algorithm (RFC1321).
 289
 290 config CRYPTO_MICHAEL_MIC
 291         tristate "Michael MIC keyed digest algorithm"
 292         select CRYPTO_ALGAPI
 293         help
 294           Michael MIC is used for message integrity protection in TKIP
 295           (IEEE 802.11i). This algorithm is required for TKIP, but it
 296           should not be used for other purposes because of the weakness
 297           of the algorithm.
 298
 299 config CRYPTO_RMD128
 300         tristate "RIPEMD-128 digest algorithm"
 301         select CRYPTO_ALGAPI
 302         help
 303           RIPEMD-128 (ISO/IEC 10118-3:2004).
 304
 305           RIPEMD-128 is a 128-bit cryptographic hash function. It should only
 306           to be used as a secure replacement for RIPEMD. For other use cases
 307           RIPEMD-160 should be used.
 308
 309           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 310           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 311
 312 config CRYPTO_RMD160
 313         tristate "RIPEMD-160 digest algorithm"
 314         select CRYPTO_ALGAPI
 315         help
 316           RIPEMD-160 (ISO/IEC 10118-3:2004).
 317
 318           RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
 319           to be used as a secure replacement for the 128-bit hash functions
 320           MD4, MD5 and it's predecessor RIPEMD
 321           (not to be confused with RIPEMD-128).
 322
 323           It's speed is comparable to SHA1 and there are no known attacks
 324           against RIPEMD-160.
 325
 326           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 327           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 328
 329 config CRYPTO_RMD256
 330         tristate "RIPEMD-256 digest algorithm"
 331         select CRYPTO_ALGAPI
 332         help
 333           RIPEMD-256 is an optional extension of RIPEMD-128 with a
 334           256 bit hash. It is intended for applications that require
 335           longer hash-results, without needing a larger security level
 336           (than RIPEMD-128).
 337
 338           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 339           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 340
 341 config CRYPTO_RMD320
 342         tristate "RIPEMD-320 digest algorithm"
 343         select CRYPTO_ALGAPI
 344         help
 345           RIPEMD-320 is an optional extension of RIPEMD-160 with a
 346           320 bit hash. It is intended for applications that require
 347           longer hash-results, without needing a larger security level
 348           (than RIPEMD-160).
 349
 350           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 351           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 352
 353 config CRYPTO_SHA1
 354         tristate "SHA1 digest algorithm"
 355         select CRYPTO_ALGAPI
 356         help
 357           SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
 358
 359 config CRYPTO_SHA256
 360         tristate "SHA224 and SHA256 digest algorithm"
 361         select CRYPTO_ALGAPI
 362         help
 363           SHA256 secure hash standard (DFIPS 180-2).
 364
 365           This version of SHA implements a 256 bit hash with 128 bits of
 366           security against collision attacks.
 367
 368           This code also includes SHA-224, a 224 bit hash with 112 bits
 369           of security against collision attacks.
 370
 371 config CRYPTO_SHA512
 372         tristate "SHA384 and SHA512 digest algorithms"
 373         select CRYPTO_ALGAPI
 374         help
 375           SHA512 secure hash standard (DFIPS 180-2).
 376
 377           This version of SHA implements a 512 bit hash with 256 bits of
 378           security against collision attacks.
 379
 380           This code also includes SHA-384, a 384 bit hash with 192 bits
 381           of security against collision attacks.
 382
 383 config CRYPTO_TGR192
 384         tristate "Tiger digest algorithms"
 385         select CRYPTO_ALGAPI
 386         help
 387           Tiger hash algorithm 192, 160 and 128-bit hashes
 388
 389           Tiger is a hash function optimized for 64-bit processors while
 390           still having decent performance on 32-bit processors.
 391           Tiger was developed by Ross Anderson and Eli Biham.
 392
 393           See also:
 394           <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
 395
 396 config CRYPTO_WP512
 397         tristate "Whirlpool digest algorithms"
 398         select CRYPTO_ALGAPI
 399         help
 400           Whirlpool hash algorithm 512, 384 and 256-bit hashes
 401
 402           Whirlpool-512 is part of the NESSIE cryptographic primitives.
 403           Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
 404
 405           See also:
 406           <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
 407
 408 comment "Ciphers"
 409
 410 config CRYPTO_AES
 411         tristate "AES cipher algorithms"
 412         select CRYPTO_ALGAPI
 413         help
 414           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 415           algorithm.
 416
 417           Rijndael appears to be consistently a very good performer in
 418           both hardware and software across a wide range of computing
 419           environments regardless of its use in feedback or non-feedback
 420           modes. Its key setup time is excellent, and its key agility is
 421           good. Rijndael's very low memory requirements make it very well
 422           suited for restricted-space environments, in which it also
 423           demonstrates excellent performance. Rijndael's operations are
 424           among the easiest to defend against power and timing attacks.
 425
 426           The AES specifies three key sizes: 128, 192 and 256 bits
 427
 428           See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
 429
 430 config CRYPTO_AES_586
 431         tristate "AES cipher algorithms (i586)"
 432         depends on (X86 || UML_X86) && !64BIT
 433         select CRYPTO_ALGAPI
 434         select CRYPTO_AES
 435         help
 436           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 437           algorithm.
 438
 439           Rijndael appears to be consistently a very good performer in
 440           both hardware and software across a wide range of computing
 441           environments regardless of its use in feedback or non-feedback
 442           modes. Its key setup time is excellent, and its key agility is
 443           good. Rijndael's very low memory requirements make it very well
 444           suited for restricted-space environments, in which it also
 445           demonstrates excellent performance. Rijndael's operations are
 446           among the easiest to defend against power and timing attacks.
 447
 448           The AES specifies three key sizes: 128, 192 and 256 bits
 449
 450           See <http://csrc.nist.gov/encryption/aes/> for more information.
 451
 452 config CRYPTO_AES_X86_64
 453         tristate "AES cipher algorithms (x86_64)"
 454         depends on (X86 || UML_X86) && 64BIT
 455         select CRYPTO_ALGAPI
 456         select CRYPTO_AES
 457         help
 458           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 459           algorithm.
 460
 461           Rijndael appears to be consistently a very good performer in
 462           both hardware and software across a wide range of computing
 463           environments regardless of its use in feedback or non-feedback
 464           modes. Its key setup time is excellent, and its key agility is
 465           good. Rijndael's very low memory requirements make it very well
 466           suited for restricted-space environments, in which it also
 467           demonstrates excellent performance. Rijndael's operations are
 468           among the easiest to defend against power and timing attacks.
 469
 470           The AES specifies three key sizes: 128, 192 and 256 bits
 471
 472           See <http://csrc.nist.gov/encryption/aes/> for more information.
 473
 474 config CRYPTO_ANUBIS
 475         tristate "Anubis cipher algorithm"
 476         select CRYPTO_ALGAPI
 477         help
 478           Anubis cipher algorithm.
 479
 480           Anubis is a variable key length cipher which can use keys from
 481           128 bits to 320 bits in length.  It was evaluated as a entrant
 482           in the NESSIE competition.
 483
 484           See also:
 485           <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
 486           <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
 487
 488 config CRYPTO_ARC4
 489         tristate "ARC4 cipher algorithm"
 490         select CRYPTO_ALGAPI
 491         help
 492           ARC4 cipher algorithm.
 493
 494           ARC4 is a stream cipher using keys ranging from 8 bits to 2048
 495           bits in length.  This algorithm is required for driver-based
 496           WEP, but it should not be for other purposes because of the
 497           weakness of the algorithm.
 498
 499 config CRYPTO_BLOWFISH
 500         tristate "Blowfish cipher algorithm"
 501         select CRYPTO_ALGAPI
 502         help
 503           Blowfish cipher algorithm, by Bruce Schneier.
 504
 505           This is a variable key length cipher which can use keys from 32
 506           bits to 448 bits in length.  It's fast, simple and specifically
 507           designed for use on "large microprocessors".
 508
 509           See also:
 510           <http://www.schneier.com/blowfish.html>
 511
 512 config CRYPTO_CAMELLIA
 513         tristate "Camellia cipher algorithms"
 514         depends on CRYPTO
 515         select CRYPTO_ALGAPI
 516         help
 517           Camellia cipher algorithms module.
 518
 519           Camellia is a symmetric key block cipher developed jointly
 520           at NTT and Mitsubishi Electric Corporation.
 521
 522           The Camellia specifies three key sizes: 128, 192 and 256 bits.
 523
 524           See also:
 525           <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
 526
 527 config CRYPTO_CAST5
 528         tristate "CAST5 (CAST-128) cipher algorithm"
 529         select CRYPTO_ALGAPI
 530         help
 531           The CAST5 encryption algorithm (synonymous with CAST-128) is
 532           described in RFC2144.
 533
 534 config CRYPTO_CAST6
 535         tristate "CAST6 (CAST-256) cipher algorithm"
 536         select CRYPTO_ALGAPI
 537         help
 538           The CAST6 encryption algorithm (synonymous with CAST-256) is
 539           described in RFC2612.
 540
 541 config CRYPTO_DES
 542         tristate "DES and Triple DES EDE cipher algorithms"
 543         select CRYPTO_ALGAPI
 544         help
 545           DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
 546
 547 config CRYPTO_FCRYPT
 548         tristate "FCrypt cipher algorithm"
 549         select CRYPTO_ALGAPI
 550         select CRYPTO_BLKCIPHER
 551         help
 552           FCrypt algorithm used by RxRPC.
 553
 554 config CRYPTO_KHAZAD
 555         tristate "Khazad cipher algorithm"
 556         select CRYPTO_ALGAPI
 557         help
 558           Khazad cipher algorithm.
 559
 560           Khazad was a finalist in the initial NESSIE competition.  It is
 561           an algorithm optimized for 64-bit processors with good performance
 562           on 32-bit processors.  Khazad uses an 128 bit key size.
 563
 564           See also:
 565           <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
 566
 567 config CRYPTO_SALSA20
 568         tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
 569         depends on EXPERIMENTAL
 570         select CRYPTO_BLKCIPHER
 571         help
 572           Salsa20 stream cipher algorithm.
 573
 574           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 575           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 576
 577           The Salsa20 stream cipher algorithm is designed by Daniel J.
 578           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 579
 580 config CRYPTO_SALSA20_586
 581         tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
 582         depends on (X86 || UML_X86) && !64BIT
 583         depends on EXPERIMENTAL
 584         select CRYPTO_BLKCIPHER
 585         help
 586           Salsa20 stream cipher algorithm.
 587
 588           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 589           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 590
 591           The Salsa20 stream cipher algorithm is designed by Daniel J.
 592           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 593
 594 config CRYPTO_SALSA20_X86_64
 595         tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
 596         depends on (X86 || UML_X86) && 64BIT
 597         depends on EXPERIMENTAL
 598         select CRYPTO_BLKCIPHER
 599         help
 600           Salsa20 stream cipher algorithm.
 601
 602           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 603           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 604
 605           The Salsa20 stream cipher algorithm is designed by Daniel J.
 606           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 607
 608 config CRYPTO_SEED
 609         tristate "SEED cipher algorithm"
 610         select CRYPTO_ALGAPI
 611         help
 612           SEED cipher algorithm (RFC4269).
 613
 614           SEED is a 128-bit symmetric key block cipher that has been
 615           developed by KISA (Korea Information Security Agency) as a
 616           national standard encryption algorithm of the Republic of Korea.
 617           It is a 16 round block cipher with the key size of 128 bit.
 618
 619           See also:
 620           <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
 621
 622 config CRYPTO_SERPENT
 623         tristate "Serpent cipher algorithm"
 624         select CRYPTO_ALGAPI
 625         help
 626           Serpent cipher algorithm, by Anderson, Biham & Knudsen.
 627
 628           Keys are allowed to be from 0 to 256 bits in length, in steps
 629           of 8 bits.  Also includes the 'Tnepres' algorithm, a reversed
 630           variant of Serpent for compatibility with old kerneli.org code.
 631
 632           See also:
 633           <http://www.cl.cam.ac.uk/~rja14/serpent.html>
 634
 635 config CRYPTO_TEA
 636         tristate "TEA, XTEA and XETA cipher algorithms"
 637         select CRYPTO_ALGAPI
 638         help
 639           TEA cipher algorithm.
 640
 641           Tiny Encryption Algorithm is a simple cipher that uses
 642           many rounds for security.  It is very fast and uses
 643           little memory.
 644
 645           Xtendend Tiny Encryption Algorithm is a modification to
 646           the TEA algorithm to address a potential key weakness
 647           in the TEA algorithm.
 648
 649           Xtendend Encryption Tiny Algorithm is a mis-implementation
 650           of the XTEA algorithm for compatibility purposes.
 651
 652 config CRYPTO_TWOFISH
 653         tristate "Twofish cipher algorithm"
 654         select CRYPTO_ALGAPI
 655         select CRYPTO_TWOFISH_COMMON
 656         help
 657           Twofish cipher algorithm.
 658
 659           Twofish was submitted as an AES (Advanced Encryption Standard)
 660           candidate cipher by researchers at CounterPane Systems.  It is a
 661           16 round block cipher supporting key sizes of 128, 192, and 256
 662           bits.
 663
 664           See also:
 665           <http://www.schneier.com/twofish.html>
 666
 667 config CRYPTO_TWOFISH_COMMON
 668         tristate
 669         help
 670           Common parts of the Twofish cipher algorithm shared by the
 671           generic c and the assembler implementations.
 672
 673 config CRYPTO_TWOFISH_586
 674         tristate "Twofish cipher algorithms (i586)"
 675         depends on (X86 || UML_X86) && !64BIT
 676         select CRYPTO_ALGAPI
 677         select CRYPTO_TWOFISH_COMMON
 678         help
 679           Twofish cipher algorithm.
 680
 681           Twofish was submitted as an AES (Advanced Encryption Standard)
 682           candidate cipher by researchers at CounterPane Systems.  It is a
 683           16 round block cipher supporting key sizes of 128, 192, and 256
 684           bits.
 685
 686           See also:
 687           <http://www.schneier.com/twofish.html>
 688
 689 config CRYPTO_TWOFISH_X86_64
 690         tristate "Twofish cipher algorithm (x86_64)"
 691         depends on (X86 || UML_X86) && 64BIT
 692         select CRYPTO_ALGAPI
 693         select CRYPTO_TWOFISH_COMMON
 694         help
 695           Twofish cipher algorithm (x86_64).
 696
 697           Twofish was submitted as an AES (Advanced Encryption Standard)
 698           candidate cipher by researchers at CounterPane Systems.  It is a
 699           16 round block cipher supporting key sizes of 128, 192, and 256
 700           bits.
 701
 702           See also:
 703           <http://www.schneier.com/twofish.html>
 704
 705 comment "Compression"
 706
 707 config CRYPTO_DEFLATE
 708         tristate "Deflate compression algorithm"
 709         select CRYPTO_ALGAPI
 710         select ZLIB_INFLATE
 711         select ZLIB_DEFLATE
 712         help
 713           This is the Deflate algorithm (RFC1951), specified for use in
 714           IPSec with the IPCOMP protocol (RFC3173, RFC2394).
 715
 716           You will most probably want this if using IPSec.
 717
 718 config CRYPTO_LZO
 719         tristate "LZO compression algorithm"
 720         select CRYPTO_ALGAPI
 721         select LZO_COMPRESS
 722         select LZO_DECOMPRESS
 723         help
 724           This is the LZO algorithm.
 725
 726 comment "Random Number Generation"
 727
 728 config CRYPTO_ANSI_CPRNG
 729         tristate "Pseudo Random Number Generation for Cryptographic modules"
 730         select CRYPTO_AES
 731         select CRYPTO_RNG
 732         select CRYPTO_FIPS
 733         help
 734           This option enables the generic pseudo random number generator
 735           for cryptographic modules.  Uses the Algorithm specified in
 736           ANSI X9.31 A.2.4
 737
 738 source "drivers/crypto/Kconfig"
 739
 740 endif   # if CRYPTO