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         depends on CRYPTO_ANSI_CPRNG
  27         help
  28           This options enables the fips boot option which is
  29           required if you want to system to operate in a FIPS 200
  30           certification.  You should say no unless you know what
  31           this is. Note that CRYPTO_ANSI_CPRNG is required if this
  32           option is selected
  33
  34 config CRYPTO_ALGAPI
  35         tristate
  36         select CRYPTO_ALGAPI2
  37         help
  38           This option provides the API for cryptographic algorithms.
  39
  40 config CRYPTO_ALGAPI2
  41         tristate
  42
  43 config CRYPTO_AEAD
  44         tristate
  45         select CRYPTO_AEAD2
  46         select CRYPTO_ALGAPI
  47
  48 config CRYPTO_AEAD2
  49         tristate
  50         select CRYPTO_ALGAPI2
  51
  52 config CRYPTO_BLKCIPHER
  53         tristate
  54         select CRYPTO_BLKCIPHER2
  55         select CRYPTO_ALGAPI
  56
  57 config CRYPTO_BLKCIPHER2
  58         tristate
  59         select CRYPTO_ALGAPI2
  60         select CRYPTO_RNG2
  61         select CRYPTO_WORKQUEUE
  62
  63 config CRYPTO_HASH
  64         tristate
  65         select CRYPTO_HASH2
  66         select CRYPTO_ALGAPI
  67
  68 config CRYPTO_HASH2
  69         tristate
  70         select CRYPTO_ALGAPI2
  71
  72 config CRYPTO_RNG
  73         tristate
  74         select CRYPTO_RNG2
  75         select CRYPTO_ALGAPI
  76
  77 config CRYPTO_RNG2
  78         tristate
  79         select CRYPTO_ALGAPI2
  80
  81 config CRYPTO_PCOMP
  82         tristate
  83         select CRYPTO_PCOMP2
  84         select CRYPTO_ALGAPI
  85
  86 config CRYPTO_PCOMP2
  87         tristate
  88         select CRYPTO_ALGAPI2
  89
  90 config CRYPTO_MANAGER
  91         tristate "Cryptographic algorithm manager"
  92         select CRYPTO_MANAGER2
  93         help
  94           Create default cryptographic template instantiations such as
  95           cbc(aes).
  96
  97 config CRYPTO_MANAGER2
  98         def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
  99         select CRYPTO_AEAD2
 100         select CRYPTO_HASH2
 101         select CRYPTO_BLKCIPHER2
 102         select CRYPTO_PCOMP2
 103
 104 config CRYPTO_MANAGER_TESTS
 105         bool "Run algolithms' self-tests"
 106         default y
 107         depends on CRYPTO_MANAGER2
 108         help
 109           Run cryptomanager's tests for the new crypto algorithms being
 110           registered.
 111
 112 config CRYPTO_GF128MUL
 113         tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
 114         depends on EXPERIMENTAL
 115         help
 116           Efficient table driven implementation of multiplications in the
 117           field GF(2^128).  This is needed by some cypher modes. This
 118           option will be selected automatically if you select such a
 119           cipher mode.  Only select this option by hand if you expect to load
 120           an external module that requires these functions.
 121
 122 config CRYPTO_NULL
 123         tristate "Null algorithms"
 124         select CRYPTO_ALGAPI
 125         select CRYPTO_BLKCIPHER
 126         select CRYPTO_HASH
 127         help
 128           These are 'Null' algorithms, used by IPsec, which do nothing.
 129
 130 config CRYPTO_PCRYPT
 131         tristate "Parallel crypto engine (EXPERIMENTAL)"
 132         depends on SMP && EXPERIMENTAL
 133         select PADATA
 134         select CRYPTO_MANAGER
 135         select CRYPTO_AEAD
 136         help
 137           This converts an arbitrary crypto algorithm into a parallel
 138           algorithm that executes in kernel threads.
 139
 140 config CRYPTO_WORKQUEUE
 141        tristate
 142
 143 config CRYPTO_CRYPTD
 144         tristate "Software async crypto daemon"
 145         select CRYPTO_BLKCIPHER
 146         select CRYPTO_HASH
 147         select CRYPTO_MANAGER
 148         select CRYPTO_WORKQUEUE
 149         help
 150           This is a generic software asynchronous crypto daemon that
 151           converts an arbitrary synchronous software crypto algorithm
 152           into an asynchronous algorithm that executes in a kernel thread.
 153
 154 config CRYPTO_AUTHENC
 155         tristate "Authenc support"
 156         select CRYPTO_AEAD
 157         select CRYPTO_BLKCIPHER
 158         select CRYPTO_MANAGER
 159         select CRYPTO_HASH
 160         help
 161           Authenc: Combined mode wrapper for IPsec.
 162           This is required for IPSec.
 163
 164 config CRYPTO_TEST
 165         tristate "Testing module"
 166         depends on m
 167         select CRYPTO_MANAGER
 168         help
 169           Quick & dirty crypto test module.
 170
 171 comment "Authenticated Encryption with Associated Data"
 172
 173 config CRYPTO_CCM
 174         tristate "CCM support"
 175         select CRYPTO_CTR
 176         select CRYPTO_AEAD
 177         help
 178           Support for Counter with CBC MAC. Required for IPsec.
 179
 180 config CRYPTO_GCM
 181         tristate "GCM/GMAC support"
 182         select CRYPTO_CTR
 183         select CRYPTO_AEAD
 184         select CRYPTO_GHASH
 185         help
 186           Support for Galois/Counter Mode (GCM) and Galois Message
 187           Authentication Code (GMAC). Required for IPSec.
 188
 189 config CRYPTO_SEQIV
 190         tristate "Sequence Number IV Generator"
 191         select CRYPTO_AEAD
 192         select CRYPTO_BLKCIPHER
 193         select CRYPTO_RNG
 194         help
 195           This IV generator generates an IV based on a sequence number by
 196           xoring it with a salt.  This algorithm is mainly useful for CTR
 197
 198 comment "Block modes"
 199
 200 config CRYPTO_CBC
 201         tristate "CBC support"
 202         select CRYPTO_BLKCIPHER
 203         select CRYPTO_MANAGER
 204         help
 205           CBC: Cipher Block Chaining mode
 206           This block cipher algorithm is required for IPSec.
 207
 208 config CRYPTO_CTR
 209         tristate "CTR support"
 210         select CRYPTO_BLKCIPHER
 211         select CRYPTO_SEQIV
 212         select CRYPTO_MANAGER
 213         help
 214           CTR: Counter mode
 215           This block cipher algorithm is required for IPSec.
 216
 217 config CRYPTO_CTS
 218         tristate "CTS support"
 219         select CRYPTO_BLKCIPHER
 220         help
 221           CTS: Cipher Text Stealing
 222           This is the Cipher Text Stealing mode as described by
 223           Section 8 of rfc2040 and referenced by rfc3962.
 224           (rfc3962 includes errata information in its Appendix A)
 225           This mode is required for Kerberos gss mechanism support
 226           for AES encryption.
 227
 228 config CRYPTO_ECB
 229         tristate "ECB support"
 230         select CRYPTO_BLKCIPHER
 231         select CRYPTO_MANAGER
 232         help
 233           ECB: Electronic CodeBook mode
 234           This is the simplest block cipher algorithm.  It simply encrypts
 235           the input block by block.
 236
 237 config CRYPTO_LRW
 238         tristate "LRW support (EXPERIMENTAL)"
 239         depends on EXPERIMENTAL
 240         select CRYPTO_BLKCIPHER
 241         select CRYPTO_MANAGER
 242         select CRYPTO_GF128MUL
 243         help
 244           LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
 245           narrow block cipher mode for dm-crypt.  Use it with cipher
 246           specification string aes-lrw-benbi, the key must be 256, 320 or 384.
 247           The first 128, 192 or 256 bits in the key are used for AES and the
 248           rest is used to tie each cipher block to its logical position.
 249
 250 config CRYPTO_PCBC
 251         tristate "PCBC support"
 252         select CRYPTO_BLKCIPHER
 253         select CRYPTO_MANAGER
 254         help
 255           PCBC: Propagating Cipher Block Chaining mode
 256           This block cipher algorithm is required for RxRPC.
 257
 258 config CRYPTO_XTS
 259         tristate "XTS support (EXPERIMENTAL)"
 260         depends on EXPERIMENTAL
 261         select CRYPTO_BLKCIPHER
 262         select CRYPTO_MANAGER
 263         select CRYPTO_GF128MUL
 264         help
 265           XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
 266           key size 256, 384 or 512 bits. This implementation currently
 267           can't handle a sectorsize which is not a multiple of 16 bytes.
 268
 269 config CRYPTO_FPU
 270         tristate
 271         select CRYPTO_BLKCIPHER
 272         select CRYPTO_MANAGER
 273
 274 comment "Hash modes"
 275
 276 config CRYPTO_HMAC
 277         tristate "HMAC support"
 278         select CRYPTO_HASH
 279         select CRYPTO_MANAGER
 280         help
 281           HMAC: Keyed-Hashing for Message Authentication (RFC2104).
 282           This is required for IPSec.
 283
 284 config CRYPTO_XCBC
 285         tristate "XCBC support"
 286         depends on EXPERIMENTAL
 287         select CRYPTO_HASH
 288         select CRYPTO_MANAGER
 289         help
 290           XCBC: Keyed-Hashing with encryption algorithm
 291                 http://www.ietf.org/rfc/rfc3566.txt
 292                 http://csrc.nist.gov/encryption/modes/proposedmodes/
 293                  xcbc-mac/xcbc-mac-spec.pdf
 294
 295 config CRYPTO_VMAC
 296         tristate "VMAC support"
 297         depends on EXPERIMENTAL
 298         select CRYPTO_HASH
 299         select CRYPTO_MANAGER
 300         help
 301           VMAC is a message authentication algorithm designed for
 302           very high speed on 64-bit architectures.
 303
 304           See also:
 305           <http://fastcrypto.org/vmac>
 306
 307 comment "Digest"
 308
 309 config CRYPTO_CRC32C
 310         tristate "CRC32c CRC algorithm"
 311         select CRYPTO_HASH
 312         help
 313           Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
 314           by iSCSI for header and data digests and by others.
 315           See Castagnoli93.  Module will be crc32c.
 316
 317 config CRYPTO_CRC32C_INTEL
 318         tristate "CRC32c INTEL hardware acceleration"
 319         depends on X86
 320         select CRYPTO_HASH
 321         help
 322           In Intel processor with SSE4.2 supported, the processor will
 323           support CRC32C implementation using hardware accelerated CRC32
 324           instruction. This option will create 'crc32c-intel' module,
 325           which will enable any routine to use the CRC32 instruction to
 326           gain performance compared with software implementation.
 327           Module will be crc32c-intel.
 328
 329 config CRYPTO_GHASH
 330         tristate "GHASH digest algorithm"
 331         select CRYPTO_SHASH
 332         select CRYPTO_GF128MUL
 333         help
 334           GHASH is message digest algorithm for GCM (Galois/Counter Mode).
 335
 336 config CRYPTO_MD4
 337         tristate "MD4 digest algorithm"
 338         select CRYPTO_HASH
 339         help
 340           MD4 message digest algorithm (RFC1320).
 341
 342 config CRYPTO_MD5
 343         tristate "MD5 digest algorithm"
 344         select CRYPTO_HASH
 345         help
 346           MD5 message digest algorithm (RFC1321).
 347
 348 config CRYPTO_MICHAEL_MIC
 349         tristate "Michael MIC keyed digest algorithm"
 350         select CRYPTO_HASH
 351         help
 352           Michael MIC is used for message integrity protection in TKIP
 353           (IEEE 802.11i). This algorithm is required for TKIP, but it
 354           should not be used for other purposes because of the weakness
 355           of the algorithm.
 356
 357 config CRYPTO_RMD128
 358         tristate "RIPEMD-128 digest algorithm"
 359         select CRYPTO_HASH
 360         help
 361           RIPEMD-128 (ISO/IEC 10118-3:2004).
 362
 363           RIPEMD-128 is a 128-bit cryptographic hash function. It should only
 364           to be used as a secure replacement for RIPEMD. For other use cases
 365           RIPEMD-160 should be used.
 366
 367           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 368           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 369
 370 config CRYPTO_RMD160
 371         tristate "RIPEMD-160 digest algorithm"
 372         select CRYPTO_HASH
 373         help
 374           RIPEMD-160 (ISO/IEC 10118-3:2004).
 375
 376           RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
 377           to be used as a secure replacement for the 128-bit hash functions
 378           MD4, MD5 and it's predecessor RIPEMD
 379           (not to be confused with RIPEMD-128).
 380
 381           It's speed is comparable to SHA1 and there are no known attacks
 382           against RIPEMD-160.
 383
 384           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 385           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 386
 387 config CRYPTO_RMD256
 388         tristate "RIPEMD-256 digest algorithm"
 389         select CRYPTO_HASH
 390         help
 391           RIPEMD-256 is an optional extension of RIPEMD-128 with a
 392           256 bit hash. It is intended for applications that require
 393           longer hash-results, without needing a larger security level
 394           (than RIPEMD-128).
 395
 396           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 397           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 398
 399 config CRYPTO_RMD320
 400         tristate "RIPEMD-320 digest algorithm"
 401         select CRYPTO_HASH
 402         help
 403           RIPEMD-320 is an optional extension of RIPEMD-160 with a
 404           320 bit hash. It is intended for applications that require
 405           longer hash-results, without needing a larger security level
 406           (than RIPEMD-160).
 407
 408           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 409           See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
 410
 411 config CRYPTO_SHA1
 412         tristate "SHA1 digest algorithm"
 413         select CRYPTO_HASH
 414         help
 415           SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
 416
 417 config CRYPTO_SHA256
 418         tristate "SHA224 and SHA256 digest algorithm"
 419         select CRYPTO_HASH
 420         help
 421           SHA256 secure hash standard (DFIPS 180-2).
 422
 423           This version of SHA implements a 256 bit hash with 128 bits of
 424           security against collision attacks.
 425
 426           This code also includes SHA-224, a 224 bit hash with 112 bits
 427           of security against collision attacks.
 428
 429 config CRYPTO_SHA512
 430         tristate "SHA384 and SHA512 digest algorithms"
 431         select CRYPTO_HASH
 432         help
 433           SHA512 secure hash standard (DFIPS 180-2).
 434
 435           This version of SHA implements a 512 bit hash with 256 bits of
 436           security against collision attacks.
 437
 438           This code also includes SHA-384, a 384 bit hash with 192 bits
 439           of security against collision attacks.
 440
 441 config CRYPTO_TGR192
 442         tristate "Tiger digest algorithms"
 443         select CRYPTO_HASH
 444         help
 445           Tiger hash algorithm 192, 160 and 128-bit hashes
 446
 447           Tiger is a hash function optimized for 64-bit processors while
 448           still having decent performance on 32-bit processors.
 449           Tiger was developed by Ross Anderson and Eli Biham.
 450
 451           See also:
 452           <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
 453
 454 config CRYPTO_WP512
 455         tristate "Whirlpool digest algorithms"
 456         select CRYPTO_HASH
 457         help
 458           Whirlpool hash algorithm 512, 384 and 256-bit hashes
 459
 460           Whirlpool-512 is part of the NESSIE cryptographic primitives.
 461           Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
 462
 463           See also:
 464           <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
 465
 466 config CRYPTO_GHASH_CLMUL_NI_INTEL
 467         tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
 468         depends on (X86 || UML_X86) && 64BIT
 469         select CRYPTO_SHASH
 470         select CRYPTO_CRYPTD
 471         help
 472           GHASH is message digest algorithm for GCM (Galois/Counter Mode).
 473           The implementation is accelerated by CLMUL-NI of Intel.
 474
 475 comment "Ciphers"
 476
 477 config CRYPTO_AES
 478         tristate "AES cipher algorithms"
 479         select CRYPTO_ALGAPI
 480         help
 481           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 482           algorithm.
 483
 484           Rijndael appears to be consistently a very good performer in
 485           both hardware and software across a wide range of computing
 486           environments regardless of its use in feedback or non-feedback
 487           modes. Its key setup time is excellent, and its key agility is
 488           good. Rijndael's very low memory requirements make it very well
 489           suited for restricted-space environments, in which it also
 490           demonstrates excellent performance. Rijndael's operations are
 491           among the easiest to defend against power and timing attacks.
 492
 493           The AES specifies three key sizes: 128, 192 and 256 bits
 494
 495           See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
 496
 497 config CRYPTO_AES_586
 498         tristate "AES cipher algorithms (i586)"
 499         depends on (X86 || UML_X86) && !64BIT
 500         select CRYPTO_ALGAPI
 501         select CRYPTO_AES
 502         help
 503           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 504           algorithm.
 505
 506           Rijndael appears to be consistently a very good performer in
 507           both hardware and software across a wide range of computing
 508           environments regardless of its use in feedback or non-feedback
 509           modes. Its key setup time is excellent, and its key agility is
 510           good. Rijndael's very low memory requirements make it very well
 511           suited for restricted-space environments, in which it also
 512           demonstrates excellent performance. Rijndael's operations are
 513           among the easiest to defend against power and timing attacks.
 514
 515           The AES specifies three key sizes: 128, 192 and 256 bits
 516
 517           See <http://csrc.nist.gov/encryption/aes/> for more information.
 518
 519 config CRYPTO_AES_X86_64
 520         tristate "AES cipher algorithms (x86_64)"
 521         depends on (X86 || UML_X86) && 64BIT
 522         select CRYPTO_ALGAPI
 523         select CRYPTO_AES
 524         help
 525           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 526           algorithm.
 527
 528           Rijndael appears to be consistently a very good performer in
 529           both hardware and software across a wide range of computing
 530           environments regardless of its use in feedback or non-feedback
 531           modes. Its key setup time is excellent, and its key agility is
 532           good. Rijndael's very low memory requirements make it very well
 533           suited for restricted-space environments, in which it also
 534           demonstrates excellent performance. Rijndael's operations are
 535           among the easiest to defend against power and timing attacks.
 536
 537           The AES specifies three key sizes: 128, 192 and 256 bits
 538
 539           See <http://csrc.nist.gov/encryption/aes/> for more information.
 540
 541 config CRYPTO_AES_NI_INTEL
 542         tristate "AES cipher algorithms (AES-NI)"
 543         depends on (X86 || UML_X86) && 64BIT
 544         select CRYPTO_AES_X86_64
 545         select CRYPTO_CRYPTD
 546         select CRYPTO_ALGAPI
 547         select CRYPTO_FPU
 548         help
 549           Use Intel AES-NI instructions for AES algorithm.
 550
 551           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 552           algorithm.
 553
 554           Rijndael appears to be consistently a very good performer in
 555           both hardware and software across a wide range of computing
 556           environments regardless of its use in feedback or non-feedback
 557           modes. Its key setup time is excellent, and its key agility is
 558           good. Rijndael's very low memory requirements make it very well
 559           suited for restricted-space environments, in which it also
 560           demonstrates excellent performance. Rijndael's operations are
 561           among the easiest to defend against power and timing attacks.
 562
 563           The AES specifies three key sizes: 128, 192 and 256 bits
 564
 565           See <http://csrc.nist.gov/encryption/aes/> for more information.
 566
 567           In addition to AES cipher algorithm support, the
 568           acceleration for some popular block cipher mode is supported
 569           too, including ECB, CBC, CTR, LRW, PCBC, XTS.
 570
 571 config CRYPTO_ANUBIS
 572         tristate "Anubis cipher algorithm"
 573         select CRYPTO_ALGAPI
 574         help
 575           Anubis cipher algorithm.
 576
 577           Anubis is a variable key length cipher which can use keys from
 578           128 bits to 320 bits in length.  It was evaluated as a entrant
 579           in the NESSIE competition.
 580
 581           See also:
 582           <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
 583           <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
 584
 585 config CRYPTO_ARC4
 586         tristate "ARC4 cipher algorithm"
 587         select CRYPTO_ALGAPI
 588         help
 589           ARC4 cipher algorithm.
 590
 591           ARC4 is a stream cipher using keys ranging from 8 bits to 2048
 592           bits in length.  This algorithm is required for driver-based
 593           WEP, but it should not be for other purposes because of the
 594           weakness of the algorithm.
 595
 596 config CRYPTO_BLOWFISH
 597         tristate "Blowfish cipher algorithm"
 598         select CRYPTO_ALGAPI
 599         help
 600           Blowfish cipher algorithm, by Bruce Schneier.
 601
 602           This is a variable key length cipher which can use keys from 32
 603           bits to 448 bits in length.  It's fast, simple and specifically
 604           designed for use on "large microprocessors".
 605
 606           See also:
 607           <http://www.schneier.com/blowfish.html>
 608
 609 config CRYPTO_CAMELLIA
 610         tristate "Camellia cipher algorithms"
 611         depends on CRYPTO
 612         select CRYPTO_ALGAPI
 613         help
 614           Camellia cipher algorithms module.
 615
 616           Camellia is a symmetric key block cipher developed jointly
 617           at NTT and Mitsubishi Electric Corporation.
 618
 619           The Camellia specifies three key sizes: 128, 192 and 256 bits.
 620
 621           See also:
 622           <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
 623
 624 config CRYPTO_CAST5
 625         tristate "CAST5 (CAST-128) cipher algorithm"
 626         select CRYPTO_ALGAPI
 627         help
 628           The CAST5 encryption algorithm (synonymous with CAST-128) is
 629           described in RFC2144.
 630
 631 config CRYPTO_CAST6
 632         tristate "CAST6 (CAST-256) cipher algorithm"
 633         select CRYPTO_ALGAPI
 634         help
 635           The CAST6 encryption algorithm (synonymous with CAST-256) is
 636           described in RFC2612.
 637
 638 config CRYPTO_DES
 639         tristate "DES and Triple DES EDE cipher algorithms"
 640         select CRYPTO_ALGAPI
 641         help
 642           DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
 643
 644 config CRYPTO_FCRYPT
 645         tristate "FCrypt cipher algorithm"
 646         select CRYPTO_ALGAPI
 647         select CRYPTO_BLKCIPHER
 648         help
 649           FCrypt algorithm used by RxRPC.
 650
 651 config CRYPTO_KHAZAD
 652         tristate "Khazad cipher algorithm"
 653         select CRYPTO_ALGAPI
 654         help
 655           Khazad cipher algorithm.
 656
 657           Khazad was a finalist in the initial NESSIE competition.  It is
 658           an algorithm optimized for 64-bit processors with good performance
 659           on 32-bit processors.  Khazad uses an 128 bit key size.
 660
 661           See also:
 662           <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
 663
 664 config CRYPTO_SALSA20
 665         tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
 666         depends on EXPERIMENTAL
 667         select CRYPTO_BLKCIPHER
 668         help
 669           Salsa20 stream cipher algorithm.
 670
 671           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 672           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 673
 674           The Salsa20 stream cipher algorithm is designed by Daniel J.
 675           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 676
 677 config CRYPTO_SALSA20_586
 678         tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
 679         depends on (X86 || UML_X86) && !64BIT
 680         depends on EXPERIMENTAL
 681         select CRYPTO_BLKCIPHER
 682         help
 683           Salsa20 stream cipher algorithm.
 684
 685           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 686           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 687
 688           The Salsa20 stream cipher algorithm is designed by Daniel J.
 689           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 690
 691 config CRYPTO_SALSA20_X86_64
 692         tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
 693         depends on (X86 || UML_X86) && 64BIT
 694         depends on EXPERIMENTAL
 695         select CRYPTO_BLKCIPHER
 696         help
 697           Salsa20 stream cipher algorithm.
 698
 699           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 700           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 701
 702           The Salsa20 stream cipher algorithm is designed by Daniel J.
 703           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 704
 705 config CRYPTO_SEED
 706         tristate "SEED cipher algorithm"
 707         select CRYPTO_ALGAPI
 708         help
 709           SEED cipher algorithm (RFC4269).
 710
 711           SEED is a 128-bit symmetric key block cipher that has been
 712           developed by KISA (Korea Information Security Agency) as a
 713           national standard encryption algorithm of the Republic of Korea.
 714           It is a 16 round block cipher with the key size of 128 bit.
 715
 716           See also:
 717           <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
 718
 719 config CRYPTO_SERPENT
 720         tristate "Serpent cipher algorithm"
 721         select CRYPTO_ALGAPI
 722         help
 723           Serpent cipher algorithm, by Anderson, Biham & Knudsen.
 724
 725           Keys are allowed to be from 0 to 256 bits in length, in steps
 726           of 8 bits.  Also includes the 'Tnepres' algorithm, a reversed
 727           variant of Serpent for compatibility with old kerneli.org code.
 728
 729           See also:
 730           <http://www.cl.cam.ac.uk/~rja14/serpent.html>
 731
 732 config CRYPTO_TEA
 733         tristate "TEA, XTEA and XETA cipher algorithms"
 734         select CRYPTO_ALGAPI
 735         help
 736           TEA cipher algorithm.
 737
 738           Tiny Encryption Algorithm is a simple cipher that uses
 739           many rounds for security.  It is very fast and uses
 740           little memory.
 741
 742           Xtendend Tiny Encryption Algorithm is a modification to
 743           the TEA algorithm to address a potential key weakness
 744           in the TEA algorithm.
 745
 746           Xtendend Encryption Tiny Algorithm is a mis-implementation
 747           of the XTEA algorithm for compatibility purposes.
 748
 749 config CRYPTO_TWOFISH
 750         tristate "Twofish cipher algorithm"
 751         select CRYPTO_ALGAPI
 752         select CRYPTO_TWOFISH_COMMON
 753         help
 754           Twofish cipher algorithm.
 755
 756           Twofish was submitted as an AES (Advanced Encryption Standard)
 757           candidate cipher by researchers at CounterPane Systems.  It is a
 758           16 round block cipher supporting key sizes of 128, 192, and 256
 759           bits.
 760
 761           See also:
 762           <http://www.schneier.com/twofish.html>
 763
 764 config CRYPTO_TWOFISH_COMMON
 765         tristate
 766         help
 767           Common parts of the Twofish cipher algorithm shared by the
 768           generic c and the assembler implementations.
 769
 770 config CRYPTO_TWOFISH_586
 771         tristate "Twofish cipher algorithms (i586)"
 772         depends on (X86 || UML_X86) && !64BIT
 773         select CRYPTO_ALGAPI
 774         select CRYPTO_TWOFISH_COMMON
 775         help
 776           Twofish cipher algorithm.
 777
 778           Twofish was submitted as an AES (Advanced Encryption Standard)
 779           candidate cipher by researchers at CounterPane Systems.  It is a
 780           16 round block cipher supporting key sizes of 128, 192, and 256
 781           bits.
 782
 783           See also:
 784           <http://www.schneier.com/twofish.html>
 785
 786 config CRYPTO_TWOFISH_X86_64
 787         tristate "Twofish cipher algorithm (x86_64)"
 788         depends on (X86 || UML_X86) && 64BIT
 789         select CRYPTO_ALGAPI
 790         select CRYPTO_TWOFISH_COMMON
 791         help
 792           Twofish cipher algorithm (x86_64).
 793
 794           Twofish was submitted as an AES (Advanced Encryption Standard)
 795           candidate cipher by researchers at CounterPane Systems.  It is a
 796           16 round block cipher supporting key sizes of 128, 192, and 256
 797           bits.
 798
 799           See also:
 800           <http://www.schneier.com/twofish.html>
 801
 802 comment "Compression"
 803
 804 config CRYPTO_DEFLATE
 805         tristate "Deflate compression algorithm"
 806         select CRYPTO_ALGAPI
 807         select ZLIB_INFLATE
 808         select ZLIB_DEFLATE
 809         help
 810           This is the Deflate algorithm (RFC1951), specified for use in
 811           IPSec with the IPCOMP protocol (RFC3173, RFC2394).
 812
 813           You will most probably want this if using IPSec.
 814
 815 config CRYPTO_ZLIB
 816         tristate "Zlib compression algorithm"
 817         select CRYPTO_PCOMP
 818         select ZLIB_INFLATE
 819         select ZLIB_DEFLATE
 820         select NLATTR
 821         help
 822           This is the zlib algorithm.
 823
 824 config CRYPTO_LZO
 825         tristate "LZO compression algorithm"
 826         select CRYPTO_ALGAPI
 827         select LZO_COMPRESS
 828         select LZO_DECOMPRESS
 829         help
 830           This is the LZO algorithm.
 831
 832 comment "Random Number Generation"
 833
 834 config CRYPTO_ANSI_CPRNG
 835         tristate "Pseudo Random Number Generation for Cryptographic modules"
 836         default m
 837         select CRYPTO_AES
 838         select CRYPTO_RNG
 839         help
 840           This option enables the generic pseudo random number generator
 841           for cryptographic modules.  Uses the Algorithm specified in
 842           ANSI X9.31 A.2.4. Note that this option must be enabled if
 843           CRYPTO_FIPS is selected
 844
 845 source "drivers/crypto/Kconfig"
 846
 847 endif   # if CRYPTO