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 && !CRYPTO_MANAGER_DISABLE_TESTS
  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.
  32
  33 config CRYPTO_ALGAPI
  34         tristate
  35         select CRYPTO_ALGAPI2
  36         help
  37           This option provides the API for cryptographic algorithms.
  38
  39 config CRYPTO_ALGAPI2
  40         tristate
  41
  42 config CRYPTO_AEAD
  43         tristate
  44         select CRYPTO_AEAD2
  45         select CRYPTO_ALGAPI
  46
  47 config CRYPTO_AEAD2
  48         tristate
  49         select CRYPTO_ALGAPI2
  50
  51 config CRYPTO_BLKCIPHER
  52         tristate
  53         select CRYPTO_BLKCIPHER2
  54         select CRYPTO_ALGAPI
  55
  56 config CRYPTO_BLKCIPHER2
  57         tristate
  58         select CRYPTO_ALGAPI2
  59         select CRYPTO_RNG2
  60         select CRYPTO_WORKQUEUE
  61
  62 config CRYPTO_HASH
  63         tristate
  64         select CRYPTO_HASH2
  65         select CRYPTO_ALGAPI
  66
  67 config CRYPTO_HASH2
  68         tristate
  69         select CRYPTO_ALGAPI2
  70
  71 config CRYPTO_RNG
  72         tristate
  73         select CRYPTO_RNG2
  74         select CRYPTO_ALGAPI
  75
  76 config CRYPTO_RNG2
  77         tristate
  78         select CRYPTO_ALGAPI2
  79
  80 config CRYPTO_PCOMP
  81         tristate
  82         select CRYPTO_PCOMP2
  83         select CRYPTO_ALGAPI
  84
  85 config CRYPTO_PCOMP2
  86         tristate
  87         select CRYPTO_ALGAPI2
  88
  89 config CRYPTO_MANAGER
  90         tristate "Cryptographic algorithm manager"
  91         select CRYPTO_MANAGER2
  92         help
  93           Create default cryptographic template instantiations such as
  94           cbc(aes).
  95
  96 config CRYPTO_MANAGER2
  97         def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
  98         select CRYPTO_AEAD2
  99         select CRYPTO_HASH2
 100         select CRYPTO_BLKCIPHER2
 101         select CRYPTO_PCOMP2
 102
 103 config CRYPTO_MANAGER_DISABLE_TESTS
 104         bool "Disable run-time self tests"
 105         default y
 106         depends on CRYPTO_MANAGER2
 107         help
 108           Disable run-time self tests that normally take place at
 109           algorithm registration.
 110
 111 config CRYPTO_GF128MUL
 112         tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
 113         help
 114           Efficient table driven implementation of multiplications in the
 115           field GF(2^128).  This is needed by some cypher modes. This
 116           option will be selected automatically if you select such a
 117           cipher mode.  Only select this option by hand if you expect to load
 118           an external module that requires these functions.
 119
 120 config CRYPTO_NULL
 121         tristate "Null algorithms"
 122         select CRYPTO_ALGAPI
 123         select CRYPTO_BLKCIPHER
 124         select CRYPTO_HASH
 125         help
 126           These are 'Null' algorithms, used by IPsec, which do nothing.
 127
 128 config CRYPTO_PCRYPT
 129         tristate "Parallel crypto engine (EXPERIMENTAL)"
 130         depends on SMP && EXPERIMENTAL
 131         select PADATA
 132         select CRYPTO_MANAGER
 133         select CRYPTO_AEAD
 134         help
 135           This converts an arbitrary crypto algorithm into a parallel
 136           algorithm that executes in kernel threads.
 137
 138 config CRYPTO_WORKQUEUE
 139        tristate
 140
 141 config CRYPTO_CRYPTD
 142         tristate "Software async crypto daemon"
 143         select CRYPTO_BLKCIPHER
 144         select CRYPTO_HASH
 145         select CRYPTO_MANAGER
 146         select CRYPTO_WORKQUEUE
 147         help
 148           This is a generic software asynchronous crypto daemon that
 149           converts an arbitrary synchronous software crypto algorithm
 150           into an asynchronous algorithm that executes in a kernel thread.
 151
 152 config CRYPTO_AUTHENC
 153         tristate "Authenc support"
 154         select CRYPTO_AEAD
 155         select CRYPTO_BLKCIPHER
 156         select CRYPTO_MANAGER
 157         select CRYPTO_HASH
 158         help
 159           Authenc: Combined mode wrapper for IPsec.
 160           This is required for IPSec.
 161
 162 config CRYPTO_TEST
 163         tristate "Testing module"
 164         depends on m
 165         select CRYPTO_MANAGER
 166         help
 167           Quick & dirty crypto test module.
 168
 169 comment "Authenticated Encryption with Associated Data"
 170
 171 config CRYPTO_CCM
 172         tristate "CCM support"
 173         select CRYPTO_CTR
 174         select CRYPTO_AEAD
 175         help
 176           Support for Counter with CBC MAC. Required for IPsec.
 177
 178 config CRYPTO_GCM
 179         tristate "GCM/GMAC support"
 180         select CRYPTO_CTR
 181         select CRYPTO_AEAD
 182         select CRYPTO_GHASH
 183         help
 184           Support for Galois/Counter Mode (GCM) and Galois Message
 185           Authentication Code (GMAC). Required for IPSec.
 186
 187 config CRYPTO_SEQIV
 188         tristate "Sequence Number IV Generator"
 189         select CRYPTO_AEAD
 190         select CRYPTO_BLKCIPHER
 191         select CRYPTO_RNG
 192         help
 193           This IV generator generates an IV based on a sequence number by
 194           xoring it with a salt.  This algorithm is mainly useful for CTR
 195
 196 comment "Block modes"
 197
 198 config CRYPTO_CBC
 199         tristate "CBC support"
 200         select CRYPTO_BLKCIPHER
 201         select CRYPTO_MANAGER
 202         help
 203           CBC: Cipher Block Chaining mode
 204           This block cipher algorithm is required for IPSec.
 205
 206 config CRYPTO_CTR
 207         tristate "CTR support"
 208         select CRYPTO_BLKCIPHER
 209         select CRYPTO_SEQIV
 210         select CRYPTO_MANAGER
 211         help
 212           CTR: Counter mode
 213           This block cipher algorithm is required for IPSec.
 214
 215 config CRYPTO_CTS
 216         tristate "CTS support"
 217         select CRYPTO_BLKCIPHER
 218         help
 219           CTS: Cipher Text Stealing
 220           This is the Cipher Text Stealing mode as described by
 221           Section 8 of rfc2040 and referenced by rfc3962.
 222           (rfc3962 includes errata information in its Appendix A)
 223           This mode is required for Kerberos gss mechanism support
 224           for AES encryption.
 225
 226 config CRYPTO_ECB
 227         tristate "ECB support"
 228         select CRYPTO_BLKCIPHER
 229         select CRYPTO_MANAGER
 230         help
 231           ECB: Electronic CodeBook mode
 232           This is the simplest block cipher algorithm.  It simply encrypts
 233           the input block by block.
 234
 235 config CRYPTO_LRW
 236         tristate "LRW support (EXPERIMENTAL)"
 237         depends on EXPERIMENTAL
 238         select CRYPTO_BLKCIPHER
 239         select CRYPTO_MANAGER
 240         select CRYPTO_GF128MUL
 241         help
 242           LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
 243           narrow block cipher mode for dm-crypt.  Use it with cipher
 244           specification string aes-lrw-benbi, the key must be 256, 320 or 384.
 245           The first 128, 192 or 256 bits in the key are used for AES and the
 246           rest is used to tie each cipher block to its logical position.
 247
 248 config CRYPTO_PCBC
 249         tristate "PCBC support"
 250         select CRYPTO_BLKCIPHER
 251         select CRYPTO_MANAGER
 252         help
 253           PCBC: Propagating Cipher Block Chaining mode
 254           This block cipher algorithm is required for RxRPC.
 255
 256 config CRYPTO_XTS
 257         tristate "XTS support (EXPERIMENTAL)"
 258         depends on EXPERIMENTAL
 259         select CRYPTO_BLKCIPHER
 260         select CRYPTO_MANAGER
 261         select CRYPTO_GF128MUL
 262         help
 263           XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
 264           key size 256, 384 or 512 bits. This implementation currently
 265           can't handle a sectorsize which is not a multiple of 16 bytes.
 266
 267 config CRYPTO_FPU
 268         tristate
 269         select CRYPTO_BLKCIPHER
 270         select CRYPTO_MANAGER
 271
 272 comment "Hash modes"
 273
 274 config CRYPTO_HMAC
 275         tristate "HMAC support"
 276         select CRYPTO_HASH
 277         select CRYPTO_MANAGER
 278         help
 279           HMAC: Keyed-Hashing for Message Authentication (RFC2104).
 280           This is required for IPSec.
 281
 282 config CRYPTO_XCBC
 283         tristate "XCBC support"
 284         depends on EXPERIMENTAL
 285         select CRYPTO_HASH
 286         select CRYPTO_MANAGER
 287         help
 288           XCBC: Keyed-Hashing with encryption algorithm
 289                 http://www.ietf.org/rfc/rfc3566.txt
 290                 http://csrc.nist.gov/encryption/modes/proposedmodes/
 291                  xcbc-mac/xcbc-mac-spec.pdf
 292
 293 config CRYPTO_VMAC
 294         tristate "VMAC support"
 295         depends on EXPERIMENTAL
 296         select CRYPTO_HASH
 297         select CRYPTO_MANAGER
 298         help
 299           VMAC is a message authentication algorithm designed for
 300           very high speed on 64-bit architectures.
 301
 302           See also:
 303           <http://fastcrypto.org/vmac>
 304
 305 comment "Digest"
 306
 307 config CRYPTO_CRC32C
 308         tristate "CRC32c CRC algorithm"
 309         select CRYPTO_HASH
 310         help
 311           Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
 312           by iSCSI for header and data digests and by others.
 313           See Castagnoli93.  Module will be crc32c.
 314
 315 config CRYPTO_CRC32C_INTEL
 316         tristate "CRC32c INTEL hardware acceleration"
 317         depends on X86
 318         select CRYPTO_HASH
 319         help
 320           In Intel processor with SSE4.2 supported, the processor will
 321           support CRC32C implementation using hardware accelerated CRC32
 322           instruction. This option will create 'crc32c-intel' module,
 323           which will enable any routine to use the CRC32 instruction to
 324           gain performance compared with software implementation.
 325           Module will be crc32c-intel.
 326
 327 config CRYPTO_GHASH
 328         tristate "GHASH digest algorithm"
 329         select CRYPTO_SHASH
 330         select CRYPTO_GF128MUL
 331         help
 332           GHASH is message digest algorithm for GCM (Galois/Counter Mode).
 333
 334 config CRYPTO_MD4
 335         tristate "MD4 digest algorithm"
 336         select CRYPTO_HASH
 337         help
 338           MD4 message digest algorithm (RFC1320).
 339
 340 config CRYPTO_MD5
 341         tristate "MD5 digest algorithm"
 342         select CRYPTO_HASH
 343         help
 344           MD5 message digest algorithm (RFC1321).
 345
 346 config CRYPTO_MICHAEL_MIC
 347         tristate "Michael MIC keyed digest algorithm"
 348         select CRYPTO_HASH
 349         help
 350           Michael MIC is used for message integrity protection in TKIP
 351           (IEEE 802.11i). This algorithm is required for TKIP, but it
 352           should not be used for other purposes because of the weakness
 353           of the algorithm.
 354
 355 config CRYPTO_RMD128
 356         tristate "RIPEMD-128 digest algorithm"
 357         select CRYPTO_HASH
 358         help
 359           RIPEMD-128 (ISO/IEC 10118-3:2004).
 360
 361           RIPEMD-128 is a 128-bit cryptographic hash function. It should only
 362           to be used as a secure replacement for RIPEMD. For other use cases
 363           RIPEMD-160 should be used.
 364
 365           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 366           See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
 367
 368 config CRYPTO_RMD160
 369         tristate "RIPEMD-160 digest algorithm"
 370         select CRYPTO_HASH
 371         help
 372           RIPEMD-160 (ISO/IEC 10118-3:2004).
 373
 374           RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
 375           to be used as a secure replacement for the 128-bit hash functions
 376           MD4, MD5 and it's predecessor RIPEMD
 377           (not to be confused with RIPEMD-128).
 378
 379           It's speed is comparable to SHA1 and there are no known attacks
 380           against RIPEMD-160.
 381
 382           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 383           See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
 384
 385 config CRYPTO_RMD256
 386         tristate "RIPEMD-256 digest algorithm"
 387         select CRYPTO_HASH
 388         help
 389           RIPEMD-256 is an optional extension of RIPEMD-128 with a
 390           256 bit hash. It is intended for applications that require
 391           longer hash-results, without needing a larger security level
 392           (than RIPEMD-128).
 393
 394           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 395           See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
 396
 397 config CRYPTO_RMD320
 398         tristate "RIPEMD-320 digest algorithm"
 399         select CRYPTO_HASH
 400         help
 401           RIPEMD-320 is an optional extension of RIPEMD-160 with a
 402           320 bit hash. It is intended for applications that require
 403           longer hash-results, without needing a larger security level
 404           (than RIPEMD-160).
 405
 406           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 407           See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
 408
 409 config CRYPTO_SHA1
 410         tristate "SHA1 digest algorithm"
 411         select CRYPTO_HASH
 412         help
 413           SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
 414
 415 config CRYPTO_SHA256
 416         tristate "SHA224 and SHA256 digest algorithm"
 417         select CRYPTO_HASH
 418         help
 419           SHA256 secure hash standard (DFIPS 180-2).
 420
 421           This version of SHA implements a 256 bit hash with 128 bits of
 422           security against collision attacks.
 423
 424           This code also includes SHA-224, a 224 bit hash with 112 bits
 425           of security against collision attacks.
 426
 427 config CRYPTO_SHA512
 428         tristate "SHA384 and SHA512 digest algorithms"
 429         select CRYPTO_HASH
 430         help
 431           SHA512 secure hash standard (DFIPS 180-2).
 432
 433           This version of SHA implements a 512 bit hash with 256 bits of
 434           security against collision attacks.
 435
 436           This code also includes SHA-384, a 384 bit hash with 192 bits
 437           of security against collision attacks.
 438
 439 config CRYPTO_TGR192
 440         tristate "Tiger digest algorithms"
 441         select CRYPTO_HASH
 442         help
 443           Tiger hash algorithm 192, 160 and 128-bit hashes
 444
 445           Tiger is a hash function optimized for 64-bit processors while
 446           still having decent performance on 32-bit processors.
 447           Tiger was developed by Ross Anderson and Eli Biham.
 448
 449           See also:
 450           <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
 451
 452 config CRYPTO_WP512
 453         tristate "Whirlpool digest algorithms"
 454         select CRYPTO_HASH
 455         help
 456           Whirlpool hash algorithm 512, 384 and 256-bit hashes
 457
 458           Whirlpool-512 is part of the NESSIE cryptographic primitives.
 459           Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
 460
 461           See also:
 462           <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html>
 463
 464 config CRYPTO_GHASH_CLMUL_NI_INTEL
 465         tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
 466         depends on (X86 || UML_X86) && 64BIT
 467         select CRYPTO_SHASH
 468         select CRYPTO_CRYPTD
 469         help
 470           GHASH is message digest algorithm for GCM (Galois/Counter Mode).
 471           The implementation is accelerated by CLMUL-NI of Intel.
 472
 473 comment "Ciphers"
 474
 475 config CRYPTO_AES
 476         tristate "AES cipher algorithms"
 477         select CRYPTO_ALGAPI
 478         help
 479           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 480           algorithm.
 481
 482           Rijndael appears to be consistently a very good performer in
 483           both hardware and software across a wide range of computing
 484           environments regardless of its use in feedback or non-feedback
 485           modes. Its key setup time is excellent, and its key agility is
 486           good. Rijndael's very low memory requirements make it very well
 487           suited for restricted-space environments, in which it also
 488           demonstrates excellent performance. Rijndael's operations are
 489           among the easiest to defend against power and timing attacks.
 490
 491           The AES specifies three key sizes: 128, 192 and 256 bits
 492
 493           See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
 494
 495 config CRYPTO_AES_586
 496         tristate "AES cipher algorithms (i586)"
 497         depends on (X86 || UML_X86) && !64BIT
 498         select CRYPTO_ALGAPI
 499         select CRYPTO_AES
 500         help
 501           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 502           algorithm.
 503
 504           Rijndael appears to be consistently a very good performer in
 505           both hardware and software across a wide range of computing
 506           environments regardless of its use in feedback or non-feedback
 507           modes. Its key setup time is excellent, and its key agility is
 508           good. Rijndael's very low memory requirements make it very well
 509           suited for restricted-space environments, in which it also
 510           demonstrates excellent performance. Rijndael's operations are
 511           among the easiest to defend against power and timing attacks.
 512
 513           The AES specifies three key sizes: 128, 192 and 256 bits
 514
 515           See <http://csrc.nist.gov/encryption/aes/> for more information.
 516
 517 config CRYPTO_AES_X86_64
 518         tristate "AES cipher algorithms (x86_64)"
 519         depends on (X86 || UML_X86) && 64BIT
 520         select CRYPTO_ALGAPI
 521         select CRYPTO_AES
 522         help
 523           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 524           algorithm.
 525
 526           Rijndael appears to be consistently a very good performer in
 527           both hardware and software across a wide range of computing
 528           environments regardless of its use in feedback or non-feedback
 529           modes. Its key setup time is excellent, and its key agility is
 530           good. Rijndael's very low memory requirements make it very well
 531           suited for restricted-space environments, in which it also
 532           demonstrates excellent performance. Rijndael's operations are
 533           among the easiest to defend against power and timing attacks.
 534
 535           The AES specifies three key sizes: 128, 192 and 256 bits
 536
 537           See <http://csrc.nist.gov/encryption/aes/> for more information.
 538
 539 config CRYPTO_AES_NI_INTEL
 540         tristate "AES cipher algorithms (AES-NI)"
 541         depends on (X86 || UML_X86)
 542         select CRYPTO_AES_X86_64 if 64BIT
 543         select CRYPTO_AES_586 if !64BIT
 544         select CRYPTO_CRYPTD
 545         select CRYPTO_ALGAPI
 546         select CRYPTO_FPU
 547         help
 548           Use Intel AES-NI instructions for AES algorithm.
 549
 550           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 551           algorithm.
 552
 553           Rijndael appears to be consistently a very good performer in
 554           both hardware and software across a wide range of computing
 555           environments regardless of its use in feedback or non-feedback
 556           modes. Its key setup time is excellent, and its key agility is
 557           good. Rijndael's very low memory requirements make it very well
 558           suited for restricted-space environments, in which it also
 559           demonstrates excellent performance. Rijndael's operations are
 560           among the easiest to defend against power and timing attacks.
 561
 562           The AES specifies three key sizes: 128, 192 and 256 bits
 563
 564           See <http://csrc.nist.gov/encryption/aes/> for more information.
 565
 566           In addition to AES cipher algorithm support, the acceleration
 567           for some popular block cipher mode is supported too, including
 568           ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional
 569           acceleration for CTR.
 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.be/nessie/reports/>
 583           <http://www.larc.usp.br/~pbarreto/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://www.larc.usp.br/~pbarreto/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 config CRYPTO_USER_API
 846         tristate
 847
 848 config CRYPTO_USER_API_HASH
 849         tristate "User-space interface for hash algorithms"
 850         depends on NET
 851         select CRYPTO_HASH
 852         select CRYPTO_USER_API
 853         help
 854           This option enables the user-spaces interface for hash
 855           algorithms.
 856
 857 config CRYPTO_USER_API_SKCIPHER
 858         tristate "User-space interface for symmetric key cipher algorithms"
 859         depends on NET
 860         select CRYPTO_BLKCIPHER
 861         select CRYPTO_USER_API
 862         help
 863           This option enables the user-spaces interface for symmetric
 864           key cipher algorithms.
 865
 866 source "drivers/crypto/Kconfig"
 867
 868 endif   # if CRYPTO