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_USER
 104         tristate "Userspace cryptographic algorithm configuration"
 105         depends on NET
 106         select CRYPTO_MANAGER
 107         help
 108           Userspace configuration for cryptographic instantiations such as
 109           cbc(aes).
 110
 111 config CRYPTO_MANAGER_DISABLE_TESTS
 112         bool "Disable run-time self tests"
 113         default y
 114         depends on CRYPTO_MANAGER2
 115         help
 116           Disable run-time self tests that normally take place at
 117           algorithm registration.
 118
 119 config CRYPTO_GF128MUL
 120         tristate "GF(2^128) multiplication functions"
 121         help
 122           Efficient table driven implementation of multiplications in the
 123           field GF(2^128).  This is needed by some cypher modes. This
 124           option will be selected automatically if you select such a
 125           cipher mode.  Only select this option by hand if you expect to load
 126           an external module that requires these functions.
 127
 128 config CRYPTO_NULL
 129         tristate "Null algorithms"
 130         select CRYPTO_ALGAPI
 131         select CRYPTO_BLKCIPHER
 132         select CRYPTO_HASH
 133         help
 134           These are 'Null' algorithms, used by IPsec, which do nothing.
 135
 136 config CRYPTO_PCRYPT
 137         tristate "Parallel crypto engine (EXPERIMENTAL)"
 138         depends on SMP && EXPERIMENTAL
 139         select PADATA
 140         select CRYPTO_MANAGER
 141         select CRYPTO_AEAD
 142         help
 143           This converts an arbitrary crypto algorithm into a parallel
 144           algorithm that executes in kernel threads.
 145
 146 config CRYPTO_WORKQUEUE
 147        tristate
 148
 149 config CRYPTO_CRYPTD
 150         tristate "Software async crypto daemon"
 151         select CRYPTO_BLKCIPHER
 152         select CRYPTO_HASH
 153         select CRYPTO_MANAGER
 154         select CRYPTO_WORKQUEUE
 155         help
 156           This is a generic software asynchronous crypto daemon that
 157           converts an arbitrary synchronous software crypto algorithm
 158           into an asynchronous algorithm that executes in a kernel thread.
 159
 160 config CRYPTO_AUTHENC
 161         tristate "Authenc support"
 162         select CRYPTO_AEAD
 163         select CRYPTO_BLKCIPHER
 164         select CRYPTO_MANAGER
 165         select CRYPTO_HASH
 166         help
 167           Authenc: Combined mode wrapper for IPsec.
 168           This is required for IPSec.
 169
 170 config CRYPTO_TEST
 171         tristate "Testing module"
 172         depends on m
 173         select CRYPTO_MANAGER
 174         help
 175           Quick & dirty crypto test module.
 176
 177 config CRYPTO_ABLK_HELPER_X86
 178         tristate
 179         depends on X86
 180         select CRYPTO_CRYPTD
 181
 182 config CRYPTO_GLUE_HELPER_X86
 183         tristate
 184         depends on X86
 185         select CRYPTO_ALGAPI
 186
 187 comment "Authenticated Encryption with Associated Data"
 188
 189 config CRYPTO_CCM
 190         tristate "CCM support"
 191         select CRYPTO_CTR
 192         select CRYPTO_AEAD
 193         help
 194           Support for Counter with CBC MAC. Required for IPsec.
 195
 196 config CRYPTO_GCM
 197         tristate "GCM/GMAC support"
 198         select CRYPTO_CTR
 199         select CRYPTO_AEAD
 200         select CRYPTO_GHASH
 201         help
 202           Support for Galois/Counter Mode (GCM) and Galois Message
 203           Authentication Code (GMAC). Required for IPSec.
 204
 205 config CRYPTO_SEQIV
 206         tristate "Sequence Number IV Generator"
 207         select CRYPTO_AEAD
 208         select CRYPTO_BLKCIPHER
 209         select CRYPTO_RNG
 210         help
 211           This IV generator generates an IV based on a sequence number by
 212           xoring it with a salt.  This algorithm is mainly useful for CTR
 213
 214 comment "Block modes"
 215
 216 config CRYPTO_CBC
 217         tristate "CBC support"
 218         select CRYPTO_BLKCIPHER
 219         select CRYPTO_MANAGER
 220         help
 221           CBC: Cipher Block Chaining mode
 222           This block cipher algorithm is required for IPSec.
 223
 224 config CRYPTO_CTR
 225         tristate "CTR support"
 226         select CRYPTO_BLKCIPHER
 227         select CRYPTO_SEQIV
 228         select CRYPTO_MANAGER
 229         help
 230           CTR: Counter mode
 231           This block cipher algorithm is required for IPSec.
 232
 233 config CRYPTO_CTS
 234         tristate "CTS support"
 235         select CRYPTO_BLKCIPHER
 236         help
 237           CTS: Cipher Text Stealing
 238           This is the Cipher Text Stealing mode as described by
 239           Section 8 of rfc2040 and referenced by rfc3962.
 240           (rfc3962 includes errata information in its Appendix A)
 241           This mode is required for Kerberos gss mechanism support
 242           for AES encryption.
 243
 244 config CRYPTO_ECB
 245         tristate "ECB support"
 246         select CRYPTO_BLKCIPHER
 247         select CRYPTO_MANAGER
 248         help
 249           ECB: Electronic CodeBook mode
 250           This is the simplest block cipher algorithm.  It simply encrypts
 251           the input block by block.
 252
 253 config CRYPTO_LRW
 254         tristate "LRW support"
 255         select CRYPTO_BLKCIPHER
 256         select CRYPTO_MANAGER
 257         select CRYPTO_GF128MUL
 258         help
 259           LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
 260           narrow block cipher mode for dm-crypt.  Use it with cipher
 261           specification string aes-lrw-benbi, the key must be 256, 320 or 384.
 262           The first 128, 192 or 256 bits in the key are used for AES and the
 263           rest is used to tie each cipher block to its logical position.
 264
 265 config CRYPTO_PCBC
 266         tristate "PCBC support"
 267         select CRYPTO_BLKCIPHER
 268         select CRYPTO_MANAGER
 269         help
 270           PCBC: Propagating Cipher Block Chaining mode
 271           This block cipher algorithm is required for RxRPC.
 272
 273 config CRYPTO_XTS
 274         tristate "XTS support"
 275         select CRYPTO_BLKCIPHER
 276         select CRYPTO_MANAGER
 277         select CRYPTO_GF128MUL
 278         help
 279           XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
 280           key size 256, 384 or 512 bits. This implementation currently
 281           can't handle a sectorsize which is not a multiple of 16 bytes.
 282
 283 comment "Hash modes"
 284
 285 config CRYPTO_HMAC
 286         tristate "HMAC support"
 287         select CRYPTO_HASH
 288         select CRYPTO_MANAGER
 289         help
 290           HMAC: Keyed-Hashing for Message Authentication (RFC2104).
 291           This is required for IPSec.
 292
 293 config CRYPTO_XCBC
 294         tristate "XCBC support"
 295         depends on EXPERIMENTAL
 296         select CRYPTO_HASH
 297         select CRYPTO_MANAGER
 298         help
 299           XCBC: Keyed-Hashing with encryption algorithm
 300                 http://www.ietf.org/rfc/rfc3566.txt
 301                 http://csrc.nist.gov/encryption/modes/proposedmodes/
 302                  xcbc-mac/xcbc-mac-spec.pdf
 303
 304 config CRYPTO_VMAC
 305         tristate "VMAC support"
 306         depends on EXPERIMENTAL
 307         select CRYPTO_HASH
 308         select CRYPTO_MANAGER
 309         help
 310           VMAC is a message authentication algorithm designed for
 311           very high speed on 64-bit architectures.
 312
 313           See also:
 314           <http://fastcrypto.org/vmac>
 315
 316 comment "Digest"
 317
 318 config CRYPTO_CRC32C
 319         tristate "CRC32c CRC algorithm"
 320         select CRYPTO_HASH
 321         select CRC32
 322         help
 323           Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
 324           by iSCSI for header and data digests and by others.
 325           See Castagnoli93.  Module will be crc32c.
 326
 327 config CRYPTO_CRC32C_INTEL
 328         tristate "CRC32c INTEL hardware acceleration"
 329         depends on X86
 330         select CRYPTO_HASH
 331         help
 332           In Intel processor with SSE4.2 supported, the processor will
 333           support CRC32C implementation using hardware accelerated CRC32
 334           instruction. This option will create 'crc32c-intel' module,
 335           which will enable any routine to use the CRC32 instruction to
 336           gain performance compared with software implementation.
 337           Module will be crc32c-intel.
 338
 339 config CRYPTO_CRC32C_SPARC64
 340         tristate "CRC32c CRC algorithm (SPARC64)"
 341         depends on SPARC64
 342         select CRYPTO_HASH
 343         select CRC32
 344         help
 345           CRC32c CRC algorithm implemented using sparc64 crypto instructions,
 346           when available.
 347
 348 config CRYPTO_GHASH
 349         tristate "GHASH digest algorithm"
 350         select CRYPTO_GF128MUL
 351         help
 352           GHASH is message digest algorithm for GCM (Galois/Counter Mode).
 353
 354 config CRYPTO_MD4
 355         tristate "MD4 digest algorithm"
 356         select CRYPTO_HASH
 357         help
 358           MD4 message digest algorithm (RFC1320).
 359
 360 config CRYPTO_MD5
 361         tristate "MD5 digest algorithm"
 362         select CRYPTO_HASH
 363         help
 364           MD5 message digest algorithm (RFC1321).
 365
 366 config CRYPTO_MD5_SPARC64
 367         tristate "MD5 digest algorithm (SPARC64)"
 368         depends on SPARC64
 369         select CRYPTO_MD5
 370         select CRYPTO_HASH
 371         help
 372           MD5 message digest algorithm (RFC1321) implemented
 373           using sparc64 crypto instructions, when available.
 374
 375 config CRYPTO_MICHAEL_MIC
 376         tristate "Michael MIC keyed digest algorithm"
 377         select CRYPTO_HASH
 378         help
 379           Michael MIC is used for message integrity protection in TKIP
 380           (IEEE 802.11i). This algorithm is required for TKIP, but it
 381           should not be used for other purposes because of the weakness
 382           of the algorithm.
 383
 384 config CRYPTO_RMD128
 385         tristate "RIPEMD-128 digest algorithm"
 386         select CRYPTO_HASH
 387         help
 388           RIPEMD-128 (ISO/IEC 10118-3:2004).
 389
 390           RIPEMD-128 is a 128-bit cryptographic hash function. It should only
 391           be used as a secure replacement for RIPEMD. For other use cases,
 392           RIPEMD-160 should be used.
 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_RMD160
 398         tristate "RIPEMD-160 digest algorithm"
 399         select CRYPTO_HASH
 400         help
 401           RIPEMD-160 (ISO/IEC 10118-3:2004).
 402
 403           RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
 404           to be used as a secure replacement for the 128-bit hash functions
 405           MD4, MD5 and it's predecessor RIPEMD
 406           (not to be confused with RIPEMD-128).
 407
 408           It's speed is comparable to SHA1 and there are no known attacks
 409           against RIPEMD-160.
 410
 411           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 412           See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
 413
 414 config CRYPTO_RMD256
 415         tristate "RIPEMD-256 digest algorithm"
 416         select CRYPTO_HASH
 417         help
 418           RIPEMD-256 is an optional extension of RIPEMD-128 with a
 419           256 bit hash. It is intended for applications that require
 420           longer hash-results, without needing a larger security level
 421           (than RIPEMD-128).
 422
 423           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 424           See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
 425
 426 config CRYPTO_RMD320
 427         tristate "RIPEMD-320 digest algorithm"
 428         select CRYPTO_HASH
 429         help
 430           RIPEMD-320 is an optional extension of RIPEMD-160 with a
 431           320 bit hash. It is intended for applications that require
 432           longer hash-results, without needing a larger security level
 433           (than RIPEMD-160).
 434
 435           Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
 436           See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
 437
 438 config CRYPTO_SHA1
 439         tristate "SHA1 digest algorithm"
 440         select CRYPTO_HASH
 441         help
 442           SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
 443
 444 config CRYPTO_SHA1_SSSE3
 445         tristate "SHA1 digest algorithm (SSSE3/AVX)"
 446         depends on X86 && 64BIT
 447         select CRYPTO_SHA1
 448         select CRYPTO_HASH
 449         help
 450           SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
 451           using Supplemental SSE3 (SSSE3) instructions or Advanced Vector
 452           Extensions (AVX), when available.
 453
 454 config CRYPTO_SHA1_SPARC64
 455         tristate "SHA1 digest algorithm (SPARC64)"
 456         depends on SPARC64
 457         select CRYPTO_SHA1
 458         select CRYPTO_HASH
 459         help
 460           SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
 461           using sparc64 crypto instructions, when available.
 462
 463 config CRYPTO_SHA256
 464         tristate "SHA224 and SHA256 digest algorithm"
 465         select CRYPTO_HASH
 466         help
 467           SHA256 secure hash standard (DFIPS 180-2).
 468
 469           This version of SHA implements a 256 bit hash with 128 bits of
 470           security against collision attacks.
 471
 472           This code also includes SHA-224, a 224 bit hash with 112 bits
 473           of security against collision attacks.
 474
 475 config CRYPTO_SHA256_SPARC64
 476         tristate "SHA224 and SHA256 digest algorithm (SPARC64)"
 477         depends on SPARC64
 478         select CRYPTO_SHA256
 479         select CRYPTO_HASH
 480         help
 481           SHA-256 secure hash standard (DFIPS 180-2) implemented
 482           using sparc64 crypto instructions, when available.
 483
 484 config CRYPTO_SHA512
 485         tristate "SHA384 and SHA512 digest algorithms"
 486         select CRYPTO_HASH
 487         help
 488           SHA512 secure hash standard (DFIPS 180-2).
 489
 490           This version of SHA implements a 512 bit hash with 256 bits of
 491           security against collision attacks.
 492
 493           This code also includes SHA-384, a 384 bit hash with 192 bits
 494           of security against collision attacks.
 495
 496 config CRYPTO_SHA512_SPARC64
 497         tristate "SHA384 and SHA512 digest algorithm (SPARC64)"
 498         depends on SPARC64
 499         select CRYPTO_SHA512
 500         select CRYPTO_HASH
 501         help
 502           SHA-512 secure hash standard (DFIPS 180-2) implemented
 503           using sparc64 crypto instructions, when available.
 504
 505 config CRYPTO_TGR192
 506         tristate "Tiger digest algorithms"
 507         select CRYPTO_HASH
 508         help
 509           Tiger hash algorithm 192, 160 and 128-bit hashes
 510
 511           Tiger is a hash function optimized for 64-bit processors while
 512           still having decent performance on 32-bit processors.
 513           Tiger was developed by Ross Anderson and Eli Biham.
 514
 515           See also:
 516           <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
 517
 518 config CRYPTO_WP512
 519         tristate "Whirlpool digest algorithms"
 520         select CRYPTO_HASH
 521         help
 522           Whirlpool hash algorithm 512, 384 and 256-bit hashes
 523
 524           Whirlpool-512 is part of the NESSIE cryptographic primitives.
 525           Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
 526
 527           See also:
 528           <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html>
 529
 530 config CRYPTO_GHASH_CLMUL_NI_INTEL
 531         tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
 532         depends on X86 && 64BIT
 533         select CRYPTO_CRYPTD
 534         help
 535           GHASH is message digest algorithm for GCM (Galois/Counter Mode).
 536           The implementation is accelerated by CLMUL-NI of Intel.
 537
 538 comment "Ciphers"
 539
 540 config CRYPTO_AES
 541         tristate "AES cipher algorithms"
 542         select CRYPTO_ALGAPI
 543         help
 544           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 545           algorithm.
 546
 547           Rijndael appears to be consistently a very good performer in
 548           both hardware and software across a wide range of computing
 549           environments regardless of its use in feedback or non-feedback
 550           modes. Its key setup time is excellent, and its key agility is
 551           good. Rijndael's very low memory requirements make it very well
 552           suited for restricted-space environments, in which it also
 553           demonstrates excellent performance. Rijndael's operations are
 554           among the easiest to defend against power and timing attacks.
 555
 556           The AES specifies three key sizes: 128, 192 and 256 bits
 557
 558           See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
 559
 560 config CRYPTO_AES_586
 561         tristate "AES cipher algorithms (i586)"
 562         depends on (X86 || UML_X86) && !64BIT
 563         select CRYPTO_ALGAPI
 564         select CRYPTO_AES
 565         help
 566           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 567           algorithm.
 568
 569           Rijndael appears to be consistently a very good performer in
 570           both hardware and software across a wide range of computing
 571           environments regardless of its use in feedback or non-feedback
 572           modes. Its key setup time is excellent, and its key agility is
 573           good. Rijndael's very low memory requirements make it very well
 574           suited for restricted-space environments, in which it also
 575           demonstrates excellent performance. Rijndael's operations are
 576           among the easiest to defend against power and timing attacks.
 577
 578           The AES specifies three key sizes: 128, 192 and 256 bits
 579
 580           See <http://csrc.nist.gov/encryption/aes/> for more information.
 581
 582 config CRYPTO_AES_X86_64
 583         tristate "AES cipher algorithms (x86_64)"
 584         depends on (X86 || UML_X86) && 64BIT
 585         select CRYPTO_ALGAPI
 586         select CRYPTO_AES
 587         help
 588           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 589           algorithm.
 590
 591           Rijndael appears to be consistently a very good performer in
 592           both hardware and software across a wide range of computing
 593           environments regardless of its use in feedback or non-feedback
 594           modes. Its key setup time is excellent, and its key agility is
 595           good. Rijndael's very low memory requirements make it very well
 596           suited for restricted-space environments, in which it also
 597           demonstrates excellent performance. Rijndael's operations are
 598           among the easiest to defend against power and timing attacks.
 599
 600           The AES specifies three key sizes: 128, 192 and 256 bits
 601
 602           See <http://csrc.nist.gov/encryption/aes/> for more information.
 603
 604 config CRYPTO_AES_NI_INTEL
 605         tristate "AES cipher algorithms (AES-NI)"
 606         depends on X86
 607         select CRYPTO_AES_X86_64 if 64BIT
 608         select CRYPTO_AES_586 if !64BIT
 609         select CRYPTO_CRYPTD
 610         select CRYPTO_ABLK_HELPER_X86
 611         select CRYPTO_ALGAPI
 612         help
 613           Use Intel AES-NI instructions for AES algorithm.
 614
 615           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 616           algorithm.
 617
 618           Rijndael appears to be consistently a very good performer in
 619           both hardware and software across a wide range of computing
 620           environments regardless of its use in feedback or non-feedback
 621           modes. Its key setup time is excellent, and its key agility is
 622           good. Rijndael's very low memory requirements make it very well
 623           suited for restricted-space environments, in which it also
 624           demonstrates excellent performance. Rijndael's operations are
 625           among the easiest to defend against power and timing attacks.
 626
 627           The AES specifies three key sizes: 128, 192 and 256 bits
 628
 629           See <http://csrc.nist.gov/encryption/aes/> for more information.
 630
 631           In addition to AES cipher algorithm support, the acceleration
 632           for some popular block cipher mode is supported too, including
 633           ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional
 634           acceleration for CTR.
 635
 636 config CRYPTO_AES_SPARC64
 637         tristate "AES cipher algorithms (SPARC64)"
 638         depends on SPARC64
 639         select CRYPTO_CRYPTD
 640         select CRYPTO_ALGAPI
 641         help
 642           Use SPARC64 crypto opcodes for AES algorithm.
 643
 644           AES cipher algorithms (FIPS-197). AES uses the Rijndael
 645           algorithm.
 646
 647           Rijndael appears to be consistently a very good performer in
 648           both hardware and software across a wide range of computing
 649           environments regardless of its use in feedback or non-feedback
 650           modes. Its key setup time is excellent, and its key agility is
 651           good. Rijndael's very low memory requirements make it very well
 652           suited for restricted-space environments, in which it also
 653           demonstrates excellent performance. Rijndael's operations are
 654           among the easiest to defend against power and timing attacks.
 655
 656           The AES specifies three key sizes: 128, 192 and 256 bits
 657
 658           See <http://csrc.nist.gov/encryption/aes/> for more information.
 659
 660           In addition to AES cipher algorithm support, the acceleration
 661           for some popular block cipher mode is supported too, including
 662           ECB and CBC.
 663
 664 config CRYPTO_ANUBIS
 665         tristate "Anubis cipher algorithm"
 666         select CRYPTO_ALGAPI
 667         help
 668           Anubis cipher algorithm.
 669
 670           Anubis is a variable key length cipher which can use keys from
 671           128 bits to 320 bits in length.  It was evaluated as a entrant
 672           in the NESSIE competition.
 673
 674           See also:
 675           <https://www.cosic.esat.kuleuven.be/nessie/reports/>
 676           <http://www.larc.usp.br/~pbarreto/AnubisPage.html>
 677
 678 config CRYPTO_ARC4
 679         tristate "ARC4 cipher algorithm"
 680         select CRYPTO_BLKCIPHER
 681         help
 682           ARC4 cipher algorithm.
 683
 684           ARC4 is a stream cipher using keys ranging from 8 bits to 2048
 685           bits in length.  This algorithm is required for driver-based
 686           WEP, but it should not be for other purposes because of the
 687           weakness of the algorithm.
 688
 689 config CRYPTO_BLOWFISH
 690         tristate "Blowfish cipher algorithm"
 691         select CRYPTO_ALGAPI
 692         select CRYPTO_BLOWFISH_COMMON
 693         help
 694           Blowfish cipher algorithm, by Bruce Schneier.
 695
 696           This is a variable key length cipher which can use keys from 32
 697           bits to 448 bits in length.  It's fast, simple and specifically
 698           designed for use on "large microprocessors".
 699
 700           See also:
 701           <http://www.schneier.com/blowfish.html>
 702
 703 config CRYPTO_BLOWFISH_COMMON
 704         tristate
 705         help
 706           Common parts of the Blowfish cipher algorithm shared by the
 707           generic c and the assembler implementations.
 708
 709           See also:
 710           <http://www.schneier.com/blowfish.html>
 711
 712 config CRYPTO_BLOWFISH_X86_64
 713         tristate "Blowfish cipher algorithm (x86_64)"
 714         depends on X86 && 64BIT
 715         select CRYPTO_ALGAPI
 716         select CRYPTO_BLOWFISH_COMMON
 717         help
 718           Blowfish cipher algorithm (x86_64), by Bruce Schneier.
 719
 720           This is a variable key length cipher which can use keys from 32
 721           bits to 448 bits in length.  It's fast, simple and specifically
 722           designed for use on "large microprocessors".
 723
 724           See also:
 725           <http://www.schneier.com/blowfish.html>
 726
 727 config CRYPTO_CAMELLIA
 728         tristate "Camellia cipher algorithms"
 729         depends on CRYPTO
 730         select CRYPTO_ALGAPI
 731         help
 732           Camellia cipher algorithms module.
 733
 734           Camellia is a symmetric key block cipher developed jointly
 735           at NTT and Mitsubishi Electric Corporation.
 736
 737           The Camellia specifies three key sizes: 128, 192 and 256 bits.
 738
 739           See also:
 740           <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
 741
 742 config CRYPTO_CAMELLIA_X86_64
 743         tristate "Camellia cipher algorithm (x86_64)"
 744         depends on X86 && 64BIT
 745         depends on CRYPTO
 746         select CRYPTO_ALGAPI
 747         select CRYPTO_GLUE_HELPER_X86
 748         select CRYPTO_LRW
 749         select CRYPTO_XTS
 750         help
 751           Camellia cipher algorithm module (x86_64).
 752
 753           Camellia is a symmetric key block cipher developed jointly
 754           at NTT and Mitsubishi Electric Corporation.
 755
 756           The Camellia specifies three key sizes: 128, 192 and 256 bits.
 757
 758           See also:
 759           <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
 760
 761 config CRYPTO_CAMELLIA_SPARC64
 762         tristate "Camellia cipher algorithm (SPARC64)"
 763         depends on SPARC64
 764         depends on CRYPTO
 765         select CRYPTO_ALGAPI
 766         help
 767           Camellia cipher algorithm module (SPARC64).
 768
 769           Camellia is a symmetric key block cipher developed jointly
 770           at NTT and Mitsubishi Electric Corporation.
 771
 772           The Camellia specifies three key sizes: 128, 192 and 256 bits.
 773
 774           See also:
 775           <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
 776
 777 config CRYPTO_CAST5
 778         tristate "CAST5 (CAST-128) cipher algorithm"
 779         select CRYPTO_ALGAPI
 780         help
 781           The CAST5 encryption algorithm (synonymous with CAST-128) is
 782           described in RFC2144.
 783
 784 config CRYPTO_CAST6
 785         tristate "CAST6 (CAST-256) cipher algorithm"
 786         select CRYPTO_ALGAPI
 787         help
 788           The CAST6 encryption algorithm (synonymous with CAST-256) is
 789           described in RFC2612.
 790
 791 config CRYPTO_DES
 792         tristate "DES and Triple DES EDE cipher algorithms"
 793         select CRYPTO_ALGAPI
 794         help
 795           DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
 796
 797 config CRYPTO_DES_SPARC64
 798         tristate "DES and Triple DES EDE cipher algorithms (SPARC64)"
 799         depends on SPARC64
 800         select CRYPTO_ALGAPI
 801         select CRYPTO_DES
 802         help
 803           DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3),
 804           optimized using SPARC64 crypto opcodes.
 805
 806 config CRYPTO_FCRYPT
 807         tristate "FCrypt cipher algorithm"
 808         select CRYPTO_ALGAPI
 809         select CRYPTO_BLKCIPHER
 810         help
 811           FCrypt algorithm used by RxRPC.
 812
 813 config CRYPTO_KHAZAD
 814         tristate "Khazad cipher algorithm"
 815         select CRYPTO_ALGAPI
 816         help
 817           Khazad cipher algorithm.
 818
 819           Khazad was a finalist in the initial NESSIE competition.  It is
 820           an algorithm optimized for 64-bit processors with good performance
 821           on 32-bit processors.  Khazad uses an 128 bit key size.
 822
 823           See also:
 824           <http://www.larc.usp.br/~pbarreto/KhazadPage.html>
 825
 826 config CRYPTO_SALSA20
 827         tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
 828         depends on EXPERIMENTAL
 829         select CRYPTO_BLKCIPHER
 830         help
 831           Salsa20 stream cipher algorithm.
 832
 833           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 834           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 835
 836           The Salsa20 stream cipher algorithm is designed by Daniel J.
 837           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 838
 839 config CRYPTO_SALSA20_586
 840         tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
 841         depends on (X86 || UML_X86) && !64BIT
 842         depends on EXPERIMENTAL
 843         select CRYPTO_BLKCIPHER
 844         help
 845           Salsa20 stream cipher algorithm.
 846
 847           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 848           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 849
 850           The Salsa20 stream cipher algorithm is designed by Daniel J.
 851           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 852
 853 config CRYPTO_SALSA20_X86_64
 854         tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
 855         depends on (X86 || UML_X86) && 64BIT
 856         depends on EXPERIMENTAL
 857         select CRYPTO_BLKCIPHER
 858         help
 859           Salsa20 stream cipher algorithm.
 860
 861           Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
 862           Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
 863
 864           The Salsa20 stream cipher algorithm is designed by Daniel J.
 865           Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 866
 867 config CRYPTO_SEED
 868         tristate "SEED cipher algorithm"
 869         select CRYPTO_ALGAPI
 870         help
 871           SEED cipher algorithm (RFC4269).
 872
 873           SEED is a 128-bit symmetric key block cipher that has been
 874           developed by KISA (Korea Information Security Agency) as a
 875           national standard encryption algorithm of the Republic of Korea.
 876           It is a 16 round block cipher with the key size of 128 bit.
 877
 878           See also:
 879           <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
 880
 881 config CRYPTO_SERPENT
 882         tristate "Serpent cipher algorithm"
 883         select CRYPTO_ALGAPI
 884         help
 885           Serpent cipher algorithm, by Anderson, Biham & Knudsen.
 886
 887           Keys are allowed to be from 0 to 256 bits in length, in steps
 888           of 8 bits.  Also includes the 'Tnepres' algorithm, a reversed
 889           variant of Serpent for compatibility with old kerneli.org code.
 890
 891           See also:
 892           <http://www.cl.cam.ac.uk/~rja14/serpent.html>
 893
 894 config CRYPTO_SERPENT_SSE2_X86_64
 895         tristate "Serpent cipher algorithm (x86_64/SSE2)"
 896         depends on X86 && 64BIT
 897         select CRYPTO_ALGAPI
 898         select CRYPTO_CRYPTD
 899         select CRYPTO_ABLK_HELPER_X86
 900         select CRYPTO_GLUE_HELPER_X86
 901         select CRYPTO_SERPENT
 902         select CRYPTO_LRW
 903         select CRYPTO_XTS
 904         help
 905           Serpent cipher algorithm, by Anderson, Biham & Knudsen.
 906
 907           Keys are allowed to be from 0 to 256 bits in length, in steps
 908           of 8 bits.
 909
 910           This module provides Serpent cipher algorithm that processes eigth
 911           blocks parallel using SSE2 instruction set.
 912
 913           See also:
 914           <http://www.cl.cam.ac.uk/~rja14/serpent.html>
 915
 916 config CRYPTO_SERPENT_SSE2_586
 917         tristate "Serpent cipher algorithm (i586/SSE2)"
 918         depends on X86 && !64BIT
 919         select CRYPTO_ALGAPI
 920         select CRYPTO_CRYPTD
 921         select CRYPTO_ABLK_HELPER_X86
 922         select CRYPTO_GLUE_HELPER_X86
 923         select CRYPTO_SERPENT
 924         select CRYPTO_LRW
 925         select CRYPTO_XTS
 926         help
 927           Serpent cipher algorithm, by Anderson, Biham & Knudsen.
 928
 929           Keys are allowed to be from 0 to 256 bits in length, in steps
 930           of 8 bits.
 931
 932           This module provides Serpent cipher algorithm that processes four
 933           blocks parallel using SSE2 instruction set.
 934
 935           See also:
 936           <http://www.cl.cam.ac.uk/~rja14/serpent.html>
 937
 938 config CRYPTO_SERPENT_AVX_X86_64
 939         tristate "Serpent cipher algorithm (x86_64/AVX)"
 940         depends on X86 && 64BIT
 941         select CRYPTO_ALGAPI
 942         select CRYPTO_CRYPTD
 943         select CRYPTO_ABLK_HELPER_X86
 944         select CRYPTO_GLUE_HELPER_X86
 945         select CRYPTO_SERPENT
 946         select CRYPTO_LRW
 947         select CRYPTO_XTS
 948         help
 949           Serpent cipher algorithm, by Anderson, Biham & Knudsen.
 950
 951           Keys are allowed to be from 0 to 256 bits in length, in steps
 952           of 8 bits.
 953
 954           This module provides the Serpent cipher algorithm that processes
 955           eight blocks parallel using the AVX instruction set.
 956
 957           See also:
 958           <http://www.cl.cam.ac.uk/~rja14/serpent.html>
 959
 960 config CRYPTO_TEA
 961         tristate "TEA, XTEA and XETA cipher algorithms"
 962         select CRYPTO_ALGAPI
 963         help
 964           TEA cipher algorithm.
 965
 966           Tiny Encryption Algorithm is a simple cipher that uses
 967           many rounds for security.  It is very fast and uses
 968           little memory.
 969
 970           Xtendend Tiny Encryption Algorithm is a modification to
 971           the TEA algorithm to address a potential key weakness
 972           in the TEA algorithm.
 973
 974           Xtendend Encryption Tiny Algorithm is a mis-implementation
 975           of the XTEA algorithm for compatibility purposes.
 976
 977 config CRYPTO_TWOFISH
 978         tristate "Twofish cipher algorithm"
 979         select CRYPTO_ALGAPI
 980         select CRYPTO_TWOFISH_COMMON
 981         help
 982           Twofish cipher algorithm.
 983
 984           Twofish was submitted as an AES (Advanced Encryption Standard)
 985           candidate cipher by researchers at CounterPane Systems.  It is a
 986           16 round block cipher supporting key sizes of 128, 192, and 256
 987           bits.
 988
 989           See also:
 990           <http://www.schneier.com/twofish.html>
 991
 992 config CRYPTO_TWOFISH_COMMON
 993         tristate
 994         help
 995           Common parts of the Twofish cipher algorithm shared by the
 996           generic c and the assembler implementations.
 997
 998 config CRYPTO_TWOFISH_586
 999         tristate "Twofish cipher algorithms (i586)"
1000         depends on (X86 || UML_X86) && !64BIT
1001         select CRYPTO_ALGAPI
1002         select CRYPTO_TWOFISH_COMMON
1003         help
1004           Twofish cipher algorithm.
1005
1006           Twofish was submitted as an AES (Advanced Encryption Standard)
1007           candidate cipher by researchers at CounterPane Systems.  It is a
1008           16 round block cipher supporting key sizes of 128, 192, and 256
1009           bits.
1010
1011           See also:
1012           <http://www.schneier.com/twofish.html>
1013
1014 config CRYPTO_TWOFISH_X86_64
1015         tristate "Twofish cipher algorithm (x86_64)"
1016         depends on (X86 || UML_X86) && 64BIT
1017         select CRYPTO_ALGAPI
1018         select CRYPTO_TWOFISH_COMMON
1019         help
1020           Twofish cipher algorithm (x86_64).
1021
1022           Twofish was submitted as an AES (Advanced Encryption Standard)
1023           candidate cipher by researchers at CounterPane Systems.  It is a
1024           16 round block cipher supporting key sizes of 128, 192, and 256
1025           bits.
1026
1027           See also:
1028           <http://www.schneier.com/twofish.html>
1029
1030 config CRYPTO_TWOFISH_X86_64_3WAY
1031         tristate "Twofish cipher algorithm (x86_64, 3-way parallel)"
1032         depends on X86 && 64BIT
1033         select CRYPTO_ALGAPI
1034         select CRYPTO_TWOFISH_COMMON
1035         select CRYPTO_TWOFISH_X86_64
1036         select CRYPTO_GLUE_HELPER_X86
1037         select CRYPTO_LRW
1038         select CRYPTO_XTS
1039         help
1040           Twofish cipher algorithm (x86_64, 3-way parallel).
1041
1042           Twofish was submitted as an AES (Advanced Encryption Standard)
1043           candidate cipher by researchers at CounterPane Systems.  It is a
1044           16 round block cipher supporting key sizes of 128, 192, and 256
1045           bits.
1046
1047           This module provides Twofish cipher algorithm that processes three
1048           blocks parallel, utilizing resources of out-of-order CPUs better.
1049
1050           See also:
1051           <http://www.schneier.com/twofish.html>
1052
1053 config CRYPTO_TWOFISH_AVX_X86_64
1054         tristate "Twofish cipher algorithm (x86_64/AVX)"
1055         depends on X86 && 64BIT
1056         select CRYPTO_ALGAPI
1057         select CRYPTO_CRYPTD
1058         select CRYPTO_ABLK_HELPER_X86
1059         select CRYPTO_GLUE_HELPER_X86
1060         select CRYPTO_TWOFISH_COMMON
1061         select CRYPTO_TWOFISH_X86_64
1062         select CRYPTO_TWOFISH_X86_64_3WAY
1063         select CRYPTO_LRW
1064         select CRYPTO_XTS
1065         help
1066           Twofish cipher algorithm (x86_64/AVX).
1067
1068           Twofish was submitted as an AES (Advanced Encryption Standard)
1069           candidate cipher by researchers at CounterPane Systems.  It is a
1070           16 round block cipher supporting key sizes of 128, 192, and 256
1071           bits.
1072
1073           This module provides the Twofish cipher algorithm that processes
1074           eight blocks parallel using the AVX Instruction Set.
1075
1076           See also:
1077           <http://www.schneier.com/twofish.html>
1078
1079 comment "Compression"
1080
1081 config CRYPTO_DEFLATE
1082         tristate "Deflate compression algorithm"
1083         select CRYPTO_ALGAPI
1084         select ZLIB_INFLATE
1085         select ZLIB_DEFLATE
1086         help
1087           This is the Deflate algorithm (RFC1951), specified for use in
1088           IPSec with the IPCOMP protocol (RFC3173, RFC2394).
1089
1090           You will most probably want this if using IPSec.
1091
1092 config CRYPTO_ZLIB
1093         tristate "Zlib compression algorithm"
1094         select CRYPTO_PCOMP
1095         select ZLIB_INFLATE
1096         select ZLIB_DEFLATE
1097         select NLATTR
1098         help
1099           This is the zlib algorithm.
1100
1101 config CRYPTO_LZO
1102         tristate "LZO compression algorithm"
1103         select CRYPTO_ALGAPI
1104         select LZO_COMPRESS
1105         select LZO_DECOMPRESS
1106         help
1107           This is the LZO algorithm.
1108
1109 comment "Random Number Generation"
1110
1111 config CRYPTO_ANSI_CPRNG
1112         tristate "Pseudo Random Number Generation for Cryptographic modules"
1113         default m
1114         select CRYPTO_AES
1115         select CRYPTO_RNG
1116         help
1117           This option enables the generic pseudo random number generator
1118           for cryptographic modules.  Uses the Algorithm specified in
1119           ANSI X9.31 A.2.4. Note that this option must be enabled if
1120           CRYPTO_FIPS is selected
1121
1122 config CRYPTO_USER_API
1123         tristate
1124
1125 config CRYPTO_USER_API_HASH
1126         tristate "User-space interface for hash algorithms"
1127         depends on NET
1128         select CRYPTO_HASH
1129         select CRYPTO_USER_API
1130         help
1131           This option enables the user-spaces interface for hash
1132           algorithms.
1133
1134 config CRYPTO_USER_API_SKCIPHER
1135         tristate "User-space interface for symmetric key cipher algorithms"
1136         depends on NET
1137         select CRYPTO_BLKCIPHER
1138         select CRYPTO_USER_API
1139         help
1140           This option enables the user-spaces interface for symmetric
1141           key cipher algorithms.
1142
1143 source "drivers/crypto/Kconfig"
1144
1145 endif   # if CRYPTO