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         select CRYPTO_WORKQUEUE
  60
  61 config CRYPTO_HASH
  62         tristate
  63         select CRYPTO_HASH2
  64         select CRYPTO_ALGAPI
  65
  66 config CRYPTO_HASH2
  67         tristate
  68         select CRYPTO_ALGAPI2
  69
  70 config CRYPTO_RNG
  71         tristate
  72         select CRYPTO_RNG2
  73         select CRYPTO_ALGAPI
  74
  75 config CRYPTO_RNG2
  76         tristate
  77         select CRYPTO_ALGAPI2
  78
  79 config CRYPTO_PCOMP
  80         tristate
  81         select CRYPTO_ALGAPI2
  82
  83 config CRYPTO_MANAGER
  84         tristate "Cryptographic algorithm manager"
  85         select CRYPTO_MANAGER2
  86         help
  87           Create default cryptographic template instantiations such as
  88           cbc(aes).
  89
  90 config CRYPTO_MANAGER2
  91         def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
  92         select CRYPTO_AEAD2
  93         select CRYPTO_HASH2
  94         select CRYPTO_BLKCIPHER2
  95         select CRYPTO_PCOMP
  96
  97 config CRYPTO_GF128MUL
  98         tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
  99         depends on EXPERIMENTAL
 100         help
 101           Efficient table driven implementation of multiplications in the
 102           field GF(2^128).  This is needed by some cypher modes. This
 103           option will be selected automatically if you select such a
 104           cipher mode.  Only select this option by hand if you expect to load
 105           an external module that requires these functions.
 106
 107 config CRYPTO_NULL
 108         tristate "Null algorithms"
 109         select CRYPTO_ALGAPI
 110         select CRYPTO_BLKCIPHER
 111         select CRYPTO_HASH
 112         help
 113           These are 'Null' algorithms, used by IPsec, which do nothing.
 114
 115 config CRYPTO_WORKQUEUE
 116        tristate
 117
 118 config CRYPTO_CRYPTD
 119         tristate "Software async crypto daemon"
 120         select CRYPTO_BLKCIPHER
 121         select CRYPTO_HASH
 122         select CRYPTO_MANAGER
 123         select CRYPTO_WORKQUEUE
 124         help
 125           This is a generic software asynchronous crypto daemon that
 126           converts an arbitrary synchronous software crypto algorithm
 127           into an asynchronous algorithm that executes in a kernel thread.
 128
 129 config CRYPTO_AUTHENC
 130         tristate "Authenc support"
 131         select CRYPTO_AEAD
 132         select CRYPTO_BLKCIPHER
 133         select CRYPTO_MANAGER
 134         select CRYPTO_HASH
 135         help
 136           Authenc: Combined mode wrapper for IPsec.
 137           This is required for IPSec.
 138
 139 config CRYPTO_TEST
 140         tristate "Testing module"
 141         depends on m
 142         select CRYPTO_MANAGER
 143         help
 144           Quick & dirty crypto test module.
 145
 146 comment "Authenticated Encryption with Associated Data"
 147
 148 config CRYPTO_CCM
 149         tristate "CCM support"
 150         select CRYPTO_CTR
 151         select CRYPTO_AEAD
 152         help
 153           Support for Counter with CBC MAC. Required for IPsec.
 154
 155 config CRYPTO_GCM
 156         tristate "GCM/GMAC support"
 157         select CRYPTO_CTR
 158         select CRYPTO_AEAD
 159         select CRYPTO_GF128MUL
 160         help
 161           Support for Galois/Counter Mode (GCM) and Galois Message
 162           Authentication Code (GMAC). Required for IPSec.
 163
 164 config CRYPTO_SEQIV
 165         tristate "Sequence Number IV Generator"
 166         select CRYPTO_AEAD
 167         select CRYPTO_BLKCIPHER
 168         select CRYPTO_RNG
 169         help
 170           This IV generator generates an IV based on a sequence number by
 171           xoring it with a salt.  This algorithm is mainly useful for CTR
 172
 173 comment "Block modes"
 174
 175 config CRYPTO_CBC
 176         tristate "CBC support"
 177         select CRYPTO_BLKCIPHER
 178         select CRYPTO_MANAGER
 179         help
 180           CBC: Cipher Block Chaining mode
 181           This block cipher algorithm is required for IPSec.
 182
 183 config CRYPTO_CTR
 184         tristate "CTR support"
 185         select CRYPTO_BLKCIPHER
 186         select CRYPTO_SEQIV
 187         select CRYPTO_MANAGER
 188         help
 189           CTR: Counter mode
 190           This block cipher algorithm is required for IPSec.
 191
 192 config CRYPTO_CTS
 193         tristate "CTS support"
 194         select CRYPTO_BLKCIPHER
 195         help
 196           CTS: Cipher Text Stealing
 197           This is the Cipher Text Stealing mode as described by
 198           Section 8 of rfc2040 and referenced by rfc3962.
 199           (rfc3962 includes errata information in its Appendix A)
 200           This mode is required for Kerberos gss mechanism support
 201           for AES encryption.
 202
 203 config CRYPTO_ECB
 204         tristate "ECB support"
 205         select CRYPTO_BLKCIPHER
 206         select CRYPTO_MANAGER
 207         help
 208           ECB: Electronic CodeBook mode
 209           This is the simplest block cipher algorithm.  It simply encrypts
 210           the input block by block.
 211
 212 config CRYPTO_LRW
 213         tristate "LRW support (EXPERIMENTAL)"
 214         depends on EXPERIMENTAL
 215         select CRYPTO_BLKCIPHER
 216         select CRYPTO_MANAGER
 217         select CRYPTO_GF128MUL
 218         help
 219           LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
 220           narrow block cipher mode for dm-crypt.  Use it with cipher
 221           specification string aes-lrw-benbi, the key must be 256, 320 or 384.
 222           The first 128, 192 or 256 bits in the key are used for AES and the
 223           rest is used to tie each cipher block to its logical position.
 224
 225 config CRYPTO_PCBC
 226         tristate "PCBC support"
 227         select CRYPTO_BLKCIPHER
 228         select CRYPTO_MANAGER
 229         help
 230           PCBC: Propagating Cipher Block Chaining mode
 231           This block cipher algorithm is required for RxRPC.
 232
 233 config CRYPTO_XTS
 234         tristate "XTS support (EXPERIMENTAL)"
 235         depends on EXPERIMENTAL
 236         select CRYPTO_BLKCIPHER
 237         select CRYPTO_MANAGER
 238         select CRYPTO_GF128MUL
 239         help
 240           XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
 241           key size 256, 384 or 512 bits. This implementation currently
 242           can't handle a sectorsize which is not a multiple of 16 bytes.
 243
 244 config CRYPTO_FPU
 245         tristate
 246         select CRYPTO_BLKCIPHER
 247         select CRYPTO_MANAGER
 248
 249 comment "Hash modes"
 250
 251 config CRYPTO_HMAC
 252         tristate "HMAC support"
 253         select CRYPTO_HASH
 254         select CRYPTO_MANAGER
 255         help
 256           HMAC: Keyed-Hashing for Message Authentication (RFC2104).
 257           This is required for IPSec.
 258
 259 config CRYPTO_XCBC
 260         tristate "XCBC support"
 261         depends on EXPERIMENTAL
 262         select CRYPTO_HASH
 263         select CRYPTO_MANAGER
 264         help
 265           XCBC: Keyed-Hashing with encryption algorithm
 266                 http://www.ietf.org/rfc/rfc3566.txt
 267                 http://csrc.nist.gov/encryption/modes/proposedmodes/
 268                  xcbc-mac/xcbc-mac-spec.pdf
 269
 270 comment "Digest"
 271
 272 config CRYPTO_CRC32C
 273         tristate "CRC32c CRC algorithm"
 274         select CRYPTO_HASH
 275         help
 276           Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
 277           by iSCSI for header and data digests and by others.
 278           See Castagnoli93.  Module will be crc32c.
 279
 280 config CRYPTO_CRC32C_INTEL
 281         tristate "CRC32c INTEL hardware acceleration"
 282         depends on X86
 283         select CRYPTO_HASH
 284         help
 285           In Intel processor with SSE4.2 supported, the processor will
 286           support CRC32C implementation using hardware accelerated CRC32
 287           instruction. This option will create 'crc32c-intel' module,
 288           which will enable any routine to use the CRC32 instruction to
 289           gain performance compared with software implementation.
 290           Module will be crc32c-intel.
 291
 292 config CRYPTO_MD4
 293         tristate "MD4 digest algorithm"
 294         select CRYPTO_HASH
 295         help
 296           MD4 message digest algorithm (RFC1320).
 297
 298 config CRYPTO_MD5
 299         tristate "MD5 digest algorithm"
 300         select CRYPTO_HASH
 301         help
 302           MD5 message digest algorithm (RFC1321).
 303
 304 config CRYPTO_MICHAEL_MIC
 305         tristate "Michael MIC keyed digest algorithm"
 306         select CRYPTO_HASH
 307         help
 308           Michael MIC is used for message integrity protection in TKIP
 309           (IEEE 802.11i). This algorithm is required for TKIP, but it
 310           should not be used for other purposes because of the weakness
 311           of the algorithm.
 312
 313 config CRYPTO_RMD128
 314         tristate "RIPEMD-128 digest algorithm"
 315         select CRYPTO_HASH
 316         help
 317           RIPEMD-128 (ISO/IEC 10118-3:2004).
 318
 319           RIPEMD-128 is a 128-bit cryptographic hash function. It should only
 320           to be used as a secure replacement for RIPEMD. For other use cases
 321           RIPEMD-160 should be used.
 322
 323           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 324           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 325
 326 config CRYPTO_RMD160
 327         tristate "RIPEMD-160 digest algorithm"
 328         select CRYPTO_HASH
 329         help
 330           RIPEMD-160 (ISO/IEC 10118-3:2004).
 331
 332           RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
 333           to be used as a secure replacement for the 128-bit hash functions
 334           MD4, MD5 and it's predecessor RIPEMD
 335           (not to be confused with RIPEMD-128).
 336
 337           It's speed is comparable to SHA1 and there are no known attacks
 338           against RIPEMD-160.
 339
 340           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 341           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 342
 343 config CRYPTO_RMD256
 344         tristate "RIPEMD-256 digest algorithm"
 345         select CRYPTO_HASH
 346         help
 347           RIPEMD-256 is an optional extension of RIPEMD-128 with a
 348           256 bit hash. It is intended for applications that require
 349           longer hash-results, without needing a larger security level
 350           (than RIPEMD-128).
 351
 352           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 353           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 354
 355 config CRYPTO_RMD320
 356         tristate "RIPEMD-320 digest algorithm"
 357         select CRYPTO_HASH
 358         help
 359           RIPEMD-320 is an optional extension of RIPEMD-160 with a
 360           320 bit hash. It is intended for applications that require
 361           longer hash-results, without needing a larger security level
 362           (than RIPEMD-160).
 363
 364           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 365           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 366
 367 config CRYPTO_SHA1
 368         tristate "SHA1 digest algorithm"
 369         select CRYPTO_HASH
 370         help
 371           SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
 372
 373 config CRYPTO_SHA256
 374         tristate "SHA224 and SHA256 digest algorithm"
 375         select CRYPTO_HASH
 376         help
 377           SHA256 secure hash standard (DFIPS 180-2).
 378
 379           This version of SHA implements a 256 bit hash with 128 bits of
 380           security against collision attacks.
 381
 382           This code also includes SHA-224, a 224 bit hash with 112 bits
 383           of security against collision attacks.
 384
 385 config CRYPTO_SHA512
 386         tristate "SHA384 and SHA512 digest algorithms"
 387         select CRYPTO_HASH
 388         help
 389           SHA512 secure hash standard (DFIPS 180-2).
 390
 391           This version of SHA implements a 512 bit hash with 256 bits of
 392           security against collision attacks.
 393
 394           This code also includes SHA-384, a 384 bit hash with 192 bits
 395           of security against collision attacks.
 396
 397 config CRYPTO_TGR192
 398         tristate "Tiger digest algorithms"
 399         select CRYPTO_HASH
 400         help
 401           Tiger hash algorithm 192, 160 and 128-bit hashes
 402
 403           Tiger is a hash function optimized for 64-bit processors while
 404           still having decent performance on 32-bit processors.
 405           Tiger was developed by Ross Anderson and Eli Biham.
 406
 407           See also:
 408           <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
 409
 410 config CRYPTO_WP512
 411         tristate "Whirlpool digest algorithms"
 412         select CRYPTO_HASH
 413         help
 414           Whirlpool hash algorithm 512, 384 and 256-bit hashes
 415
 416           Whirlpool-512 is part of the NESSIE cryptographic primitives.
 417           Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
 418
 419           See also:
 420           <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
 421
 422 comment "Ciphers"
 423
 424 config CRYPTO_AES
 425         tristate "AES cipher algorithms"
 426         select CRYPTO_ALGAPI
 427         help
 428           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 429           algorithm.
 430
 431           Rijndael appears to be consistently a very good performer in
 432           both hardware and software across a wide range of computing
 433           environments regardless of its use in feedback or non-feedback
 434           modes. Its key setup time is excellent, and its key agility is
 435           good. Rijndael's very low memory requirements make it very well
 436           suited for restricted-space environments, in which it also
 437           demonstrates excellent performance. Rijndael's operations are
 438           among the easiest to defend against power and timing attacks.
 439
 440           The AES specifies three key sizes: 128, 192 and 256 bits
 441
 442           See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
 443
 444 config CRYPTO_AES_586
 445         tristate "AES cipher algorithms (i586)"
 446         depends on (X86 || UML_X86) && !64BIT
 447         select CRYPTO_ALGAPI
 448         select CRYPTO_AES
 449         help
 450           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 451           algorithm.
 452
 453           Rijndael appears to be consistently a very good performer in
 454           both hardware and software across a wide range of computing
 455           environments regardless of its use in feedback or non-feedback
 456           modes. Its key setup time is excellent, and its key agility is
 457           good. Rijndael's very low memory requirements make it very well
 458           suited for restricted-space environments, in which it also
 459           demonstrates excellent performance. Rijndael's operations are
 460           among the easiest to defend against power and timing attacks.
 461
 462           The AES specifies three key sizes: 128, 192 and 256 bits
 463
 464           See <http://csrc.nist.gov/encryption/aes/> for more information.
 465
 466 config CRYPTO_AES_X86_64
 467         tristate "AES cipher algorithms (x86_64)"
 468         depends on (X86 || UML_X86) && 64BIT
 469         select CRYPTO_ALGAPI
 470         select CRYPTO_AES
 471         help
 472           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 473           algorithm.
 474
 475           Rijndael appears to be consistently a very good performer in
 476           both hardware and software across a wide range of computing
 477           environments regardless of its use in feedback or non-feedback
 478           modes. Its key setup time is excellent, and its key agility is
 479           good. Rijndael's very low memory requirements make it very well
 480           suited for restricted-space environments, in which it also
 481           demonstrates excellent performance. Rijndael's operations are
 482           among the easiest to defend against power and timing attacks.
 483
 484           The AES specifies three key sizes: 128, 192 and 256 bits
 485
 486           See <http://csrc.nist.gov/encryption/aes/> for more information.
 487
 488 config CRYPTO_AES_NI_INTEL
 489         tristate "AES cipher algorithms (AES-NI)"
 490         depends on (X86 || UML_X86) && 64BIT
 491         select CRYPTO_AES_X86_64
 492         select CRYPTO_CRYPTD
 493         select CRYPTO_ALGAPI
 494         select CRYPTO_FPU
 495         help
 496           Use Intel AES-NI instructions for AES algorithm.
 497
 498           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 499           algorithm.
 500
 501           Rijndael appears to be consistently a very good performer in
 502           both hardware and software across a wide range of computing
 503           environments regardless of its use in feedback or non-feedback
 504           modes. Its key setup time is excellent, and its key agility is
 505           good. Rijndael's very low memory requirements make it very well
 506           suited for restricted-space environments, in which it also
 507           demonstrates excellent performance. Rijndael's operations are
 508           among the easiest to defend against power and timing attacks.
 509
 510           The AES specifies three key sizes: 128, 192 and 256 bits
 511
 512           See <http://csrc.nist.gov/encryption/aes/> for more information.
 513
 514           In addition to AES cipher algorithm support, the
 515           acceleration for some popular block cipher mode is supported
 516           too, including ECB, CBC, CTR, LRW, PCBC, XTS.
 517
 518 config CRYPTO_ANUBIS
 519         tristate "Anubis cipher algorithm"
 520         select CRYPTO_ALGAPI
 521         help
 522           Anubis cipher algorithm.
 523
 524           Anubis is a variable key length cipher which can use keys from
 525           128 bits to 320 bits in length.  It was evaluated as a entrant
 526           in the NESSIE competition.
 527
 528           See also:
 529           <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
 530           <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
 531
 532 config CRYPTO_ARC4
 533         tristate "ARC4 cipher algorithm"
 534         select CRYPTO_ALGAPI
 535         help
 536           ARC4 cipher algorithm.
 537
 538           ARC4 is a stream cipher using keys ranging from 8 bits to 2048
 539           bits in length.  This algorithm is required for driver-based
 540           WEP, but it should not be for other purposes because of the
 541           weakness of the algorithm.
 542
 543 config CRYPTO_BLOWFISH
 544         tristate "Blowfish cipher algorithm"
 545         select CRYPTO_ALGAPI
 546         help
 547           Blowfish cipher algorithm, by Bruce Schneier.
 548
 549           This is a variable key length cipher which can use keys from 32
 550           bits to 448 bits in length.  It's fast, simple and specifically
 551           designed for use on "large microprocessors".
 552
 553           See also:
 554           <http://www.schneier.com/blowfish.html>
 555
 556 config CRYPTO_CAMELLIA
 557         tristate "Camellia cipher algorithms"
 558         depends on CRYPTO
 559         select CRYPTO_ALGAPI
 560         help
 561           Camellia cipher algorithms module.
 562
 563           Camellia is a symmetric key block cipher developed jointly
 564           at NTT and Mitsubishi Electric Corporation.
 565
 566           The Camellia specifies three key sizes: 128, 192 and 256 bits.
 567
 568           See also:
 569           <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
 570
 571 config CRYPTO_CAST5
 572         tristate "CAST5 (CAST-128) cipher algorithm"
 573         select CRYPTO_ALGAPI
 574         help
 575           The CAST5 encryption algorithm (synonymous with CAST-128) is
 576           described in RFC2144.
 577
 578 config CRYPTO_CAST6
 579         tristate "CAST6 (CAST-256) cipher algorithm"
 580         select CRYPTO_ALGAPI
 581         help
 582           The CAST6 encryption algorithm (synonymous with CAST-256) is
 583           described in RFC2612.
 584
 585 config CRYPTO_DES
 586         tristate "DES and Triple DES EDE cipher algorithms"
 587         select CRYPTO_ALGAPI
 588         help
 589           DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
 590
 591 config CRYPTO_FCRYPT
 592         tristate "FCrypt cipher algorithm"
 593         select CRYPTO_ALGAPI
 594         select CRYPTO_BLKCIPHER
 595         help
 596           FCrypt algorithm used by RxRPC.
 597
 598 config CRYPTO_KHAZAD
 599         tristate "Khazad cipher algorithm"
 600         select CRYPTO_ALGAPI
 601         help
 602           Khazad cipher algorithm.
 603
 604           Khazad was a finalist in the initial NESSIE competition.  It is
 605           an algorithm optimized for 64-bit processors with good performance
 606           on 32-bit processors.  Khazad uses an 128 bit key size.
 607
 608           See also:
 609           <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
 610
 611 config CRYPTO_SALSA20
 612         tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
 613         depends on EXPERIMENTAL
 614         select CRYPTO_BLKCIPHER
 615         help
 616           Salsa20 stream cipher algorithm.
 617
 618           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 619           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 620
 621           The Salsa20 stream cipher algorithm is designed by Daniel J.
 622           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 623
 624 config CRYPTO_SALSA20_586
 625         tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
 626         depends on (X86 || UML_X86) && !64BIT
 627         depends on EXPERIMENTAL
 628         select CRYPTO_BLKCIPHER
 629         help
 630           Salsa20 stream cipher algorithm.
 631
 632           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 633           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 634
 635           The Salsa20 stream cipher algorithm is designed by Daniel J.
 636           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 637
 638 config CRYPTO_SALSA20_X86_64
 639         tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
 640         depends on (X86 || UML_X86) && 64BIT
 641         depends on EXPERIMENTAL
 642         select CRYPTO_BLKCIPHER
 643         help
 644           Salsa20 stream cipher algorithm.
 645
 646           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 647           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 648
 649           The Salsa20 stream cipher algorithm is designed by Daniel J.
 650           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 651
 652 config CRYPTO_SEED
 653         tristate "SEED cipher algorithm"
 654         select CRYPTO_ALGAPI
 655         help
 656           SEED cipher algorithm (RFC4269).
 657
 658           SEED is a 128-bit symmetric key block cipher that has been
 659           developed by KISA (Korea Information Security Agency) as a
 660           national standard encryption algorithm of the Republic of Korea.
 661           It is a 16 round block cipher with the key size of 128 bit.
 662
 663           See also:
 664           <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
 665
 666 config CRYPTO_SERPENT
 667         tristate "Serpent cipher algorithm"
 668         select CRYPTO_ALGAPI
 669         help
 670           Serpent cipher algorithm, by Anderson, Biham & Knudsen.
 671
 672           Keys are allowed to be from 0 to 256 bits in length, in steps
 673           of 8 bits.  Also includes the 'Tnepres' algorithm, a reversed
 674           variant of Serpent for compatibility with old kerneli.org code.
 675
 676           See also:
 677           <http://www.cl.cam.ac.uk/~rja14/serpent.html>
 678
 679 config CRYPTO_TEA
 680         tristate "TEA, XTEA and XETA cipher algorithms"
 681         select CRYPTO_ALGAPI
 682         help
 683           TEA cipher algorithm.
 684
 685           Tiny Encryption Algorithm is a simple cipher that uses
 686           many rounds for security.  It is very fast and uses
 687           little memory.
 688
 689           Xtendend Tiny Encryption Algorithm is a modification to
 690           the TEA algorithm to address a potential key weakness
 691           in the TEA algorithm.
 692
 693           Xtendend Encryption Tiny Algorithm is a mis-implementation
 694           of the XTEA algorithm for compatibility purposes.
 695
 696 config CRYPTO_TWOFISH
 697         tristate "Twofish cipher algorithm"
 698         select CRYPTO_ALGAPI
 699         select CRYPTO_TWOFISH_COMMON
 700         help
 701           Twofish cipher algorithm.
 702
 703           Twofish was submitted as an AES (Advanced Encryption Standard)
 704           candidate cipher by researchers at CounterPane Systems.  It is a
 705           16 round block cipher supporting key sizes of 128, 192, and 256
 706           bits.
 707
 708           See also:
 709           <http://www.schneier.com/twofish.html>
 710
 711 config CRYPTO_TWOFISH_COMMON
 712         tristate
 713         help
 714           Common parts of the Twofish cipher algorithm shared by the
 715           generic c and the assembler implementations.
 716
 717 config CRYPTO_TWOFISH_586
 718         tristate "Twofish cipher algorithms (i586)"
 719         depends on (X86 || UML_X86) && !64BIT
 720         select CRYPTO_ALGAPI
 721         select CRYPTO_TWOFISH_COMMON
 722         help
 723           Twofish cipher algorithm.
 724
 725           Twofish was submitted as an AES (Advanced Encryption Standard)
 726           candidate cipher by researchers at CounterPane Systems.  It is a
 727           16 round block cipher supporting key sizes of 128, 192, and 256
 728           bits.
 729
 730           See also:
 731           <http://www.schneier.com/twofish.html>
 732
 733 config CRYPTO_TWOFISH_X86_64
 734         tristate "Twofish cipher algorithm (x86_64)"
 735         depends on (X86 || UML_X86) && 64BIT
 736         select CRYPTO_ALGAPI
 737         select CRYPTO_TWOFISH_COMMON
 738         help
 739           Twofish cipher algorithm (x86_64).
 740
 741           Twofish was submitted as an AES (Advanced Encryption Standard)
 742           candidate cipher by researchers at CounterPane Systems.  It is a
 743           16 round block cipher supporting key sizes of 128, 192, and 256
 744           bits.
 745
 746           See also:
 747           <http://www.schneier.com/twofish.html>
 748
 749 comment "Compression"
 750
 751 config CRYPTO_DEFLATE
 752         tristate "Deflate compression algorithm"
 753         select CRYPTO_ALGAPI
 754         select ZLIB_INFLATE
 755         select ZLIB_DEFLATE
 756         help
 757           This is the Deflate algorithm (RFC1951), specified for use in
 758           IPSec with the IPCOMP protocol (RFC3173, RFC2394).
 759
 760           You will most probably want this if using IPSec.
 761
 762 config CRYPTO_ZLIB
 763         tristate "Zlib compression algorithm"
 764         select CRYPTO_PCOMP
 765         select ZLIB_INFLATE
 766         select ZLIB_DEFLATE
 767         select NLATTR
 768         help
 769           This is the zlib algorithm.
 770
 771 config CRYPTO_LZO
 772         tristate "LZO compression algorithm"
 773         select CRYPTO_ALGAPI
 774         select LZO_COMPRESS
 775         select LZO_DECOMPRESS
 776         help
 777           This is the LZO algorithm.
 778
 779 comment "Random Number Generation"
 780
 781 config CRYPTO_ANSI_CPRNG
 782         tristate "Pseudo Random Number Generation for Cryptographic modules"
 783         select CRYPTO_AES
 784         select CRYPTO_RNG
 785         select CRYPTO_FIPS
 786         help
 787           This option enables the generic pseudo random number generator
 788           for cryptographic modules.  Uses the Algorithm specified in
 789           ANSI X9.31 A.2.4
 790
 791 source "drivers/crypto/Kconfig"
 792
 793 endif   # if CRYPTO