Kconfig 23.7 KB
Newer Older
1 2 3 4 5 6
#
# Generic algorithms support
#
config XOR_BLOCKS
	tristate

L
Linus Torvalds 已提交
7
#
D
Dan Williams 已提交
8
# async_tx api: hardware offloaded memory transfer/transform support
L
Linus Torvalds 已提交
9
#
D
Dan Williams 已提交
10
source "crypto/async_tx/Kconfig"
L
Linus Torvalds 已提交
11

D
Dan Williams 已提交
12 13 14
#
# Cryptographic API Configuration
#
15
menuconfig CRYPTO
16
	tristate "Cryptographic API"
L
Linus Torvalds 已提交
17 18 19
	help
	  This option provides the core Cryptographic API.

20 21
if CRYPTO

22 23
comment "Crypto core or helper"

N
Neil Horman 已提交
24 25
config CRYPTO_FIPS
	bool "FIPS 200 compliance"
26
	depends on CRYPTO_ANSI_CPRNG
N
Neil Horman 已提交
27 28 29 30
	help
	  This options enables the fips boot option which is
	  required if you want to system to operate in a FIPS 200
	  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
N
Neil Horman 已提交
33

34 35
config CRYPTO_ALGAPI
	tristate
36
	select CRYPTO_ALGAPI2
37 38 39
	help
	  This option provides the API for cryptographic algorithms.

40 41 42
config CRYPTO_ALGAPI2
	tristate

H
Herbert Xu 已提交
43 44
config CRYPTO_AEAD
	tristate
45
	select CRYPTO_AEAD2
H
Herbert Xu 已提交
46 47
	select CRYPTO_ALGAPI

48 49 50 51
config CRYPTO_AEAD2
	tristate
	select CRYPTO_ALGAPI2

52 53
config CRYPTO_BLKCIPHER
	tristate
54
	select CRYPTO_BLKCIPHER2
55
	select CRYPTO_ALGAPI
56 57 58 59 60

config CRYPTO_BLKCIPHER2
	tristate
	select CRYPTO_ALGAPI2
	select CRYPTO_RNG2
61
	select CRYPTO_WORKQUEUE
62

63 64
config CRYPTO_HASH
	tristate
65
	select CRYPTO_HASH2
66 67
	select CRYPTO_ALGAPI

68 69 70 71
config CRYPTO_HASH2
	tristate
	select CRYPTO_ALGAPI2

72 73
config CRYPTO_RNG
	tristate
74
	select CRYPTO_RNG2
75 76
	select CRYPTO_ALGAPI

77 78 79 80
config CRYPTO_RNG2
	tristate
	select CRYPTO_ALGAPI2

81
config CRYPTO_PCOMP
82 83 84 85 86
	tristate
	select CRYPTO_PCOMP2
	select CRYPTO_ALGAPI

config CRYPTO_PCOMP2
87 88 89
	tristate
	select CRYPTO_ALGAPI2

H
Herbert Xu 已提交
90 91
config CRYPTO_MANAGER
	tristate "Cryptographic algorithm manager"
92
	select CRYPTO_MANAGER2
H
Herbert Xu 已提交
93 94 95 96
	help
	  Create default cryptographic template instantiations such as
	  cbc(aes).

97 98 99 100 101
config CRYPTO_MANAGER2
	def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
	select CRYPTO_AEAD2
	select CRYPTO_HASH2
	select CRYPTO_BLKCIPHER2
102
	select CRYPTO_PCOMP2
103

104 105
config CRYPTO_MANAGER_DISABLE_TESTS
	bool "Disable run-time self tests"
106 107
	default y
	depends on CRYPTO_MANAGER2
108
	help
109 110
	  Disable run-time self tests that normally take place at
	  algorithm registration.
111

112 113
config CRYPTO_GF128MUL
	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
K
Kazunori MIYAZAWA 已提交
114 115
	depends on EXPERIMENTAL
	help
116 117 118 119 120
	  Efficient table driven implementation of multiplications in the
	  field GF(2^128).  This is needed by some cypher modes. This
	  option will be selected automatically if you select such a
	  cipher mode.  Only select this option by hand if you expect to load
	  an external module that requires these functions.
K
Kazunori MIYAZAWA 已提交
121

L
Linus Torvalds 已提交
122 123
config CRYPTO_NULL
	tristate "Null algorithms"
124
	select CRYPTO_ALGAPI
125
	select CRYPTO_BLKCIPHER
H
Herbert Xu 已提交
126
	select CRYPTO_HASH
L
Linus Torvalds 已提交
127 128 129
	help
	  These are 'Null' algorithms, used by IPsec, which do nothing.

130 131 132 133 134 135 136 137 138 139
config CRYPTO_PCRYPT
	tristate "Parallel crypto engine (EXPERIMENTAL)"
	depends on SMP && EXPERIMENTAL
	select PADATA
	select CRYPTO_MANAGER
	select CRYPTO_AEAD
	help
	  This converts an arbitrary crypto algorithm into a parallel
	  algorithm that executes in kernel threads.

140 141 142
config CRYPTO_WORKQUEUE
       tristate

143 144 145
config CRYPTO_CRYPTD
	tristate "Software async crypto daemon"
	select CRYPTO_BLKCIPHER
146
	select CRYPTO_HASH
147
	select CRYPTO_MANAGER
148
	select CRYPTO_WORKQUEUE
L
Linus Torvalds 已提交
149
	help
150 151 152
	  This is a generic software asynchronous crypto daemon that
	  converts an arbitrary synchronous software crypto algorithm
	  into an asynchronous algorithm that executes in a kernel thread.
L
Linus Torvalds 已提交
153

154 155 156 157 158 159
config CRYPTO_AUTHENC
	tristate "Authenc support"
	select CRYPTO_AEAD
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	select CRYPTO_HASH
L
Linus Torvalds 已提交
160
	help
161 162
	  Authenc: Combined mode wrapper for IPsec.
	  This is required for IPSec.
L
Linus Torvalds 已提交
163

164 165 166
config CRYPTO_TEST
	tristate "Testing module"
	depends on m
167
	select CRYPTO_MANAGER
L
Linus Torvalds 已提交
168
	help
169
	  Quick & dirty crypto test module.
L
Linus Torvalds 已提交
170

171
comment "Authenticated Encryption with Associated Data"
172

173 174 175 176
config CRYPTO_CCM
	tristate "CCM support"
	select CRYPTO_CTR
	select CRYPTO_AEAD
L
Linus Torvalds 已提交
177
	help
178
	  Support for Counter with CBC MAC. Required for IPsec.
L
Linus Torvalds 已提交
179

180 181 182 183
config CRYPTO_GCM
	tristate "GCM/GMAC support"
	select CRYPTO_CTR
	select CRYPTO_AEAD
184
	select CRYPTO_GHASH
L
Linus Torvalds 已提交
185
	help
186 187
	  Support for Galois/Counter Mode (GCM) and Galois Message
	  Authentication Code (GMAC). Required for IPSec.
L
Linus Torvalds 已提交
188

189 190 191 192
config CRYPTO_SEQIV
	tristate "Sequence Number IV Generator"
	select CRYPTO_AEAD
	select CRYPTO_BLKCIPHER
193
	select CRYPTO_RNG
L
Linus Torvalds 已提交
194
	help
195 196
	  This IV generator generates an IV based on a sequence number by
	  xoring it with a salt.  This algorithm is mainly useful for CTR
L
Linus Torvalds 已提交
197

198
comment "Block modes"
199

200 201
config CRYPTO_CBC
	tristate "CBC support"
202
	select CRYPTO_BLKCIPHER
203
	select CRYPTO_MANAGER
204
	help
205 206
	  CBC: Cipher Block Chaining mode
	  This block cipher algorithm is required for IPSec.
207

208 209
config CRYPTO_CTR
	tristate "CTR support"
210
	select CRYPTO_BLKCIPHER
211
	select CRYPTO_SEQIV
212
	select CRYPTO_MANAGER
213
	help
214
	  CTR: Counter mode
215 216
	  This block cipher algorithm is required for IPSec.

217 218 219 220 221 222 223 224 225 226 227 228 229
config CRYPTO_CTS
	tristate "CTS support"
	select CRYPTO_BLKCIPHER
	help
	  CTS: Cipher Text Stealing
	  This is the Cipher Text Stealing mode as described by
	  Section 8 of rfc2040 and referenced by rfc3962.
	  (rfc3962 includes errata information in its Appendix A)
	  This mode is required for Kerberos gss mechanism support
	  for AES encryption.

config CRYPTO_ECB
	tristate "ECB support"
230 231 232
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	help
233 234 235
	  ECB: Electronic CodeBook mode
	  This is the simplest block cipher algorithm.  It simply encrypts
	  the input block by block.
236

237 238 239 240 241 242 243 244 245 246 247 248 249
config CRYPTO_LRW
	tristate "LRW support (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	select CRYPTO_GF128MUL
	help
	  LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
	  narrow block cipher mode for dm-crypt.  Use it with cipher
	  specification string aes-lrw-benbi, the key must be 256, 320 or 384.
	  The first 128, 192 or 256 bits in the key are used for AES and the
	  rest is used to tie each cipher block to its logical position.

250 251 252 253 254 255 256 257
config CRYPTO_PCBC
	tristate "PCBC support"
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	help
	  PCBC: Propagating Cipher Block Chaining mode
	  This block cipher algorithm is required for RxRPC.

258 259 260 261 262 263 264 265 266 267 268
config CRYPTO_XTS
	tristate "XTS support (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	select CRYPTO_GF128MUL
	help
	  XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
	  key size 256, 384 or 512 bits. This implementation currently
	  can't handle a sectorsize which is not a multiple of 16 bytes.

269 270 271 272 273
config CRYPTO_FPU
	tristate
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER

274 275 276 277 278
comment "Hash modes"

config CRYPTO_HMAC
	tristate "HMAC support"
	select CRYPTO_HASH
279 280
	select CRYPTO_MANAGER
	help
281 282
	  HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	  This is required for IPSec.
283

284 285 286 287 288
config CRYPTO_XCBC
	tristate "XCBC support"
	depends on EXPERIMENTAL
	select CRYPTO_HASH
	select CRYPTO_MANAGER
289
	help
290 291 292 293
	  XCBC: Keyed-Hashing with encryption algorithm
		http://www.ietf.org/rfc/rfc3566.txt
		http://csrc.nist.gov/encryption/modes/proposedmodes/
		 xcbc-mac/xcbc-mac-spec.pdf
294

295 296 297 298 299 300 301 302 303 304 305 306
config CRYPTO_VMAC
	tristate "VMAC support"
	depends on EXPERIMENTAL
	select CRYPTO_HASH
	select CRYPTO_MANAGER
	help
	  VMAC is a message authentication algorithm designed for
	  very high speed on 64-bit architectures.

	  See also:
	  <http://fastcrypto.org/vmac>

307
comment "Digest"
M
Mikko Herranen 已提交
308

309 310
config CRYPTO_CRC32C
	tristate "CRC32c CRC algorithm"
311
	select CRYPTO_HASH
J
Joy Latten 已提交
312
	help
313 314
	  Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
	  by iSCSI for header and data digests and by others.
315
	  See Castagnoli93.  Module will be crc32c.
J
Joy Latten 已提交
316

317 318 319 320 321 322 323 324 325 326 327 328
config CRYPTO_CRC32C_INTEL
	tristate "CRC32c INTEL hardware acceleration"
	depends on X86
	select CRYPTO_HASH
	help
	  In Intel processor with SSE4.2 supported, the processor will
	  support CRC32C implementation using hardware accelerated CRC32
	  instruction. This option will create 'crc32c-intel' module,
	  which will enable any routine to use the CRC32 instruction to
	  gain performance compared with software implementation.
	  Module will be crc32c-intel.

329 330 331 332 333 334 335
config CRYPTO_GHASH
	tristate "GHASH digest algorithm"
	select CRYPTO_SHASH
	select CRYPTO_GF128MUL
	help
	  GHASH is message digest algorithm for GCM (Galois/Counter Mode).

336 337
config CRYPTO_MD4
	tristate "MD4 digest algorithm"
338
	select CRYPTO_HASH
339
	help
340
	  MD4 message digest algorithm (RFC1320).
341

342 343
config CRYPTO_MD5
	tristate "MD5 digest algorithm"
344
	select CRYPTO_HASH
L
Linus Torvalds 已提交
345
	help
346
	  MD5 message digest algorithm (RFC1321).
L
Linus Torvalds 已提交
347

348 349
config CRYPTO_MICHAEL_MIC
	tristate "Michael MIC keyed digest algorithm"
350
	select CRYPTO_HASH
351
	help
352 353 354 355
	  Michael MIC is used for message integrity protection in TKIP
	  (IEEE 802.11i). This algorithm is required for TKIP, but it
	  should not be used for other purposes because of the weakness
	  of the algorithm.
356

357
config CRYPTO_RMD128
358
	tristate "RIPEMD-128 digest algorithm"
H
Herbert Xu 已提交
359
	select CRYPTO_HASH
360 361
	help
	  RIPEMD-128 (ISO/IEC 10118-3:2004).
362

363 364 365
	  RIPEMD-128 is a 128-bit cryptographic hash function. It should only
	  to be used as a secure replacement for RIPEMD. For other use cases
	  RIPEMD-160 should be used.
366

367 368
	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
	  See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
369 370

config CRYPTO_RMD160
371
	tristate "RIPEMD-160 digest algorithm"
H
Herbert Xu 已提交
372
	select CRYPTO_HASH
373 374
	help
	  RIPEMD-160 (ISO/IEC 10118-3:2004).
375

376 377 378 379
	  RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
	  to be used as a secure replacement for the 128-bit hash functions
	  MD4, MD5 and it's predecessor RIPEMD
	  (not to be confused with RIPEMD-128).
380

381 382
	  It's speed is comparable to SHA1 and there are no known attacks
	  against RIPEMD-160.
383

384 385
	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
	  See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
386 387

config CRYPTO_RMD256
388
	tristate "RIPEMD-256 digest algorithm"
H
Herbert Xu 已提交
389
	select CRYPTO_HASH
390 391 392 393 394
	help
	  RIPEMD-256 is an optional extension of RIPEMD-128 with a
	  256 bit hash. It is intended for applications that require
	  longer hash-results, without needing a larger security level
	  (than RIPEMD-128).
395

396 397
	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
	  See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
398 399

config CRYPTO_RMD320
400
	tristate "RIPEMD-320 digest algorithm"
H
Herbert Xu 已提交
401
	select CRYPTO_HASH
402 403 404 405 406
	help
	  RIPEMD-320 is an optional extension of RIPEMD-160 with a
	  320 bit hash. It is intended for applications that require
	  longer hash-results, without needing a larger security level
	  (than RIPEMD-160).
407

408 409
	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
	  See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html>
410

411 412
config CRYPTO_SHA1
	tristate "SHA1 digest algorithm"
413
	select CRYPTO_HASH
L
Linus Torvalds 已提交
414
	help
415
	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
L
Linus Torvalds 已提交
416

417 418
config CRYPTO_SHA256
	tristate "SHA224 and SHA256 digest algorithm"
419
	select CRYPTO_HASH
L
Linus Torvalds 已提交
420
	help
421
	  SHA256 secure hash standard (DFIPS 180-2).
L
Linus Torvalds 已提交
422

423 424
	  This version of SHA implements a 256 bit hash with 128 bits of
	  security against collision attacks.
425

426 427
	  This code also includes SHA-224, a 224 bit hash with 112 bits
	  of security against collision attacks.
428 429 430

config CRYPTO_SHA512
	tristate "SHA384 and SHA512 digest algorithms"
431
	select CRYPTO_HASH
432
	help
433
	  SHA512 secure hash standard (DFIPS 180-2).
434

435 436
	  This version of SHA implements a 512 bit hash with 256 bits of
	  security against collision attacks.
437

438 439
	  This code also includes SHA-384, a 384 bit hash with 192 bits
	  of security against collision attacks.
440

441 442
config CRYPTO_TGR192
	tristate "Tiger digest algorithms"
443
	select CRYPTO_HASH
444
	help
445
	  Tiger hash algorithm 192, 160 and 128-bit hashes
446

447 448 449
	  Tiger is a hash function optimized for 64-bit processors while
	  still having decent performance on 32-bit processors.
	  Tiger was developed by Ross Anderson and Eli Biham.
450 451

	  See also:
452
	  <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
453

454 455
config CRYPTO_WP512
	tristate "Whirlpool digest algorithms"
456
	select CRYPTO_HASH
L
Linus Torvalds 已提交
457
	help
458
	  Whirlpool hash algorithm 512, 384 and 256-bit hashes
L
Linus Torvalds 已提交
459

460 461
	  Whirlpool-512 is part of the NESSIE cryptographic primitives.
	  Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
L
Linus Torvalds 已提交
462 463

	  See also:
464 465
	  <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>

466 467
config CRYPTO_GHASH_CLMUL_NI_INTEL
	tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
468
	depends on (X86 || UML_X86) && 64BIT
469 470 471 472 473 474
	select CRYPTO_SHASH
	select CRYPTO_CRYPTD
	help
	  GHASH is message digest algorithm for GCM (Galois/Counter Mode).
	  The implementation is accelerated by CLMUL-NI of Intel.

475
comment "Ciphers"
L
Linus Torvalds 已提交
476 477 478

config CRYPTO_AES
	tristate "AES cipher algorithms"
479
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
480
	help
481
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael
L
Linus Torvalds 已提交
482 483 484
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
485 486 487 488 489 490 491
	  both hardware and software across a wide range of computing
	  environments regardless of its use in feedback or non-feedback
	  modes. Its key setup time is excellent, and its key agility is
	  good. Rijndael's very low memory requirements make it very well
	  suited for restricted-space environments, in which it also
	  demonstrates excellent performance. Rijndael's operations are
	  among the easiest to defend against power and timing attacks.
L
Linus Torvalds 已提交
492

493
	  The AES specifies three key sizes: 128, 192 and 256 bits
L
Linus Torvalds 已提交
494 495 496 497 498

	  See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.

config CRYPTO_AES_586
	tristate "AES cipher algorithms (i586)"
499 500
	depends on (X86 || UML_X86) && !64BIT
	select CRYPTO_ALGAPI
501
	select CRYPTO_AES
L
Linus Torvalds 已提交
502
	help
503
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael
L
Linus Torvalds 已提交
504 505 506
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
507 508 509 510 511 512 513
	  both hardware and software across a wide range of computing
	  environments regardless of its use in feedback or non-feedback
	  modes. Its key setup time is excellent, and its key agility is
	  good. Rijndael's very low memory requirements make it very well
	  suited for restricted-space environments, in which it also
	  demonstrates excellent performance. Rijndael's operations are
	  among the easiest to defend against power and timing attacks.
L
Linus Torvalds 已提交
514

515
	  The AES specifies three key sizes: 128, 192 and 256 bits
A
Andreas Steinmetz 已提交
516 517 518 519 520

	  See <http://csrc.nist.gov/encryption/aes/> for more information.

config CRYPTO_AES_X86_64
	tristate "AES cipher algorithms (x86_64)"
521 522
	depends on (X86 || UML_X86) && 64BIT
	select CRYPTO_ALGAPI
523
	select CRYPTO_AES
A
Andreas Steinmetz 已提交
524
	help
525
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael
A
Andreas Steinmetz 已提交
526 527 528
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
529 530 531
	  both hardware and software across a wide range of computing
	  environments regardless of its use in feedback or non-feedback
	  modes. Its key setup time is excellent, and its key agility is
532 533 534 535 536 537 538 539 540 541 542 543 544 545 546
	  good. Rijndael's very low memory requirements make it very well
	  suited for restricted-space environments, in which it also
	  demonstrates excellent performance. Rijndael's operations are
	  among the easiest to defend against power and timing attacks.

	  The AES specifies three key sizes: 128, 192 and 256 bits

	  See <http://csrc.nist.gov/encryption/aes/> for more information.

config CRYPTO_AES_NI_INTEL
	tristate "AES cipher algorithms (AES-NI)"
	depends on (X86 || UML_X86) && 64BIT
	select CRYPTO_AES_X86_64
	select CRYPTO_CRYPTD
	select CRYPTO_ALGAPI
547
	select CRYPTO_FPU
548 549 550 551 552 553 554 555 556 557
	help
	  Use Intel AES-NI instructions for AES algorithm.

	  AES cipher algorithms (FIPS-197). AES uses the Rijndael
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
	  both hardware and software across a wide range of computing
	  environments regardless of its use in feedback or non-feedback
	  modes. Its key setup time is excellent, and its key agility is
558 559 560 561
	  good. Rijndael's very low memory requirements make it very well
	  suited for restricted-space environments, in which it also
	  demonstrates excellent performance. Rijndael's operations are
	  among the easiest to defend against power and timing attacks.
A
Andreas Steinmetz 已提交
562

563
	  The AES specifies three key sizes: 128, 192 and 256 bits
L
Linus Torvalds 已提交
564 565 566

	  See <http://csrc.nist.gov/encryption/aes/> for more information.

567 568 569 570
	  In addition to AES cipher algorithm support, the
	  acceleration for some popular block cipher mode is supported
	  too, including ECB, CBC, CTR, LRW, PCBC, XTS.

571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623
config CRYPTO_ANUBIS
	tristate "Anubis cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Anubis cipher algorithm.

	  Anubis is a variable key length cipher which can use keys from
	  128 bits to 320 bits in length.  It was evaluated as a entrant
	  in the NESSIE competition.

	  See also:
	  <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
	  <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>

config CRYPTO_ARC4
	tristate "ARC4 cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  ARC4 cipher algorithm.

	  ARC4 is a stream cipher using keys ranging from 8 bits to 2048
	  bits in length.  This algorithm is required for driver-based
	  WEP, but it should not be for other purposes because of the
	  weakness of the algorithm.

config CRYPTO_BLOWFISH
	tristate "Blowfish cipher algorithm"
	select CRYPTO_ALGAPI
	help
	  Blowfish cipher algorithm, by Bruce Schneier.

	  This is a variable key length cipher which can use keys from 32
	  bits to 448 bits in length.  It's fast, simple and specifically
	  designed for use on "large microprocessors".

	  See also:
	  <http://www.schneier.com/blowfish.html>

config CRYPTO_CAMELLIA
	tristate "Camellia cipher algorithms"
	depends on CRYPTO
	select CRYPTO_ALGAPI
	help
	  Camellia cipher algorithms module.

	  Camellia is a symmetric key block cipher developed jointly
	  at NTT and Mitsubishi Electric Corporation.

	  The Camellia specifies three key sizes: 128, 192 and 256 bits.

	  See also:
	  <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>

L
Linus Torvalds 已提交
624 625
config CRYPTO_CAST5
	tristate "CAST5 (CAST-128) cipher algorithm"
626
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
627 628 629 630 631 632
	help
	  The CAST5 encryption algorithm (synonymous with CAST-128) is
	  described in RFC2144.

config CRYPTO_CAST6
	tristate "CAST6 (CAST-256) cipher algorithm"
633
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
634 635 636 637
	help
	  The CAST6 encryption algorithm (synonymous with CAST-256) is
	  described in RFC2612.

638 639
config CRYPTO_DES
	tristate "DES and Triple DES EDE cipher algorithms"
640
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
641
	help
642
	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
A
Aaron Grothe 已提交
643

644 645
config CRYPTO_FCRYPT
	tristate "FCrypt cipher algorithm"
646
	select CRYPTO_ALGAPI
647
	select CRYPTO_BLKCIPHER
L
Linus Torvalds 已提交
648
	help
649
	  FCrypt algorithm used by RxRPC.
L
Linus Torvalds 已提交
650 651 652

config CRYPTO_KHAZAD
	tristate "Khazad cipher algorithm"
653
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
654 655 656 657 658 659 660 661 662 663
	help
	  Khazad cipher algorithm.

	  Khazad was a finalist in the initial NESSIE competition.  It is
	  an algorithm optimized for 64-bit processors with good performance
	  on 32-bit processors.  Khazad uses an 128 bit key size.

	  See also:
	  <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>

664 665 666 667 668 669 670 671 672
config CRYPTO_SALSA20
	tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	select CRYPTO_BLKCIPHER
	help
	  Salsa20 stream cipher algorithm.

	  Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	  Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
673 674 675 676 677 678 679 680 681 682 683 684 685 686

	  The Salsa20 stream cipher algorithm is designed by Daniel J.
	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>

config CRYPTO_SALSA20_586
	tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
	depends on (X86 || UML_X86) && !64BIT
	depends on EXPERIMENTAL
	select CRYPTO_BLKCIPHER
	help
	  Salsa20 stream cipher algorithm.

	  Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	  Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
687 688 689 690 691 692 693 694 695 696 697 698 699 700

	  The Salsa20 stream cipher algorithm is designed by Daniel J.
	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>

config CRYPTO_SALSA20_X86_64
	tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
	depends on (X86 || UML_X86) && 64BIT
	depends on EXPERIMENTAL
	select CRYPTO_BLKCIPHER
	help
	  Salsa20 stream cipher algorithm.

	  Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
	  Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
701 702 703

	  The Salsa20 stream cipher algorithm is designed by Daniel J.
	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
L
Linus Torvalds 已提交
704

705 706
config CRYPTO_SEED
	tristate "SEED cipher algorithm"
707
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
708
	help
709
	  SEED cipher algorithm (RFC4269).
L
Linus Torvalds 已提交
710

711 712 713 714 715 716 717 718 719 720
	  SEED is a 128-bit symmetric key block cipher that has been
	  developed by KISA (Korea Information Security Agency) as a
	  national standard encryption algorithm of the Republic of Korea.
	  It is a 16 round block cipher with the key size of 128 bit.

	  See also:
	  <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>

config CRYPTO_SERPENT
	tristate "Serpent cipher algorithm"
721
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
722
	help
723
	  Serpent cipher algorithm, by Anderson, Biham & Knudsen.
L
Linus Torvalds 已提交
724

725 726 727 728 729 730 731 732 733
	  Keys are allowed to be from 0 to 256 bits in length, in steps
	  of 8 bits.  Also includes the 'Tnepres' algorithm, a reversed
	  variant of Serpent for compatibility with old kerneli.org code.

	  See also:
	  <http://www.cl.cam.ac.uk/~rja14/serpent.html>

config CRYPTO_TEA
	tristate "TEA, XTEA and XETA cipher algorithms"
734
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
735
	help
736
	  TEA cipher algorithm.
L
Linus Torvalds 已提交
737

738 739 740 741 742 743 744 745 746 747 748 749 750
	  Tiny Encryption Algorithm is a simple cipher that uses
	  many rounds for security.  It is very fast and uses
	  little memory.

	  Xtendend Tiny Encryption Algorithm is a modification to
	  the TEA algorithm to address a potential key weakness
	  in the TEA algorithm.

	  Xtendend Encryption Tiny Algorithm is a mis-implementation
	  of the XTEA algorithm for compatibility purposes.

config CRYPTO_TWOFISH
	tristate "Twofish cipher algorithm"
751
	select CRYPTO_ALGAPI
752
	select CRYPTO_TWOFISH_COMMON
753
	help
754
	  Twofish cipher algorithm.
755

756 757 758 759
	  Twofish was submitted as an AES (Advanced Encryption Standard)
	  candidate cipher by researchers at CounterPane Systems.  It is a
	  16 round block cipher supporting key sizes of 128, 192, and 256
	  bits.
760

761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781
	  See also:
	  <http://www.schneier.com/twofish.html>

config CRYPTO_TWOFISH_COMMON
	tristate
	help
	  Common parts of the Twofish cipher algorithm shared by the
	  generic c and the assembler implementations.

config CRYPTO_TWOFISH_586
	tristate "Twofish cipher algorithms (i586)"
	depends on (X86 || UML_X86) && !64BIT
	select CRYPTO_ALGAPI
	select CRYPTO_TWOFISH_COMMON
	help
	  Twofish cipher algorithm.

	  Twofish was submitted as an AES (Advanced Encryption Standard)
	  candidate cipher by researchers at CounterPane Systems.  It is a
	  16 round block cipher supporting key sizes of 128, 192, and 256
	  bits.
782 783

	  See also:
784
	  <http://www.schneier.com/twofish.html>
785

786 787 788
config CRYPTO_TWOFISH_X86_64
	tristate "Twofish cipher algorithm (x86_64)"
	depends on (X86 || UML_X86) && 64BIT
789
	select CRYPTO_ALGAPI
790
	select CRYPTO_TWOFISH_COMMON
L
Linus Torvalds 已提交
791
	help
792
	  Twofish cipher algorithm (x86_64).
L
Linus Torvalds 已提交
793

794 795 796 797 798 799 800 801 802 803 804 805 806 807 808
	  Twofish was submitted as an AES (Advanced Encryption Standard)
	  candidate cipher by researchers at CounterPane Systems.  It is a
	  16 round block cipher supporting key sizes of 128, 192, and 256
	  bits.

	  See also:
	  <http://www.schneier.com/twofish.html>

comment "Compression"

config CRYPTO_DEFLATE
	tristate "Deflate compression algorithm"
	select CRYPTO_ALGAPI
	select ZLIB_INFLATE
	select ZLIB_DEFLATE
H
Herbert Xu 已提交
809
	help
810 811 812 813
	  This is the Deflate algorithm (RFC1951), specified for use in
	  IPSec with the IPCOMP protocol (RFC3173, RFC2394).

	  You will most probably want this if using IPSec.
H
Herbert Xu 已提交
814

815 816 817 818 819 820 821 822 823
config CRYPTO_ZLIB
	tristate "Zlib compression algorithm"
	select CRYPTO_PCOMP
	select ZLIB_INFLATE
	select ZLIB_DEFLATE
	select NLATTR
	help
	  This is the zlib algorithm.

824 825 826 827 828 829 830 831
config CRYPTO_LZO
	tristate "LZO compression algorithm"
	select CRYPTO_ALGAPI
	select LZO_COMPRESS
	select LZO_DECOMPRESS
	help
	  This is the LZO algorithm.

832 833 834 835
comment "Random Number Generation"

config CRYPTO_ANSI_CPRNG
	tristate "Pseudo Random Number Generation for Cryptographic modules"
836
	default m
837 838 839 840 841
	select CRYPTO_AES
	select CRYPTO_RNG
	help
	  This option enables the generic pseudo random number generator
	  for cryptographic modules.  Uses the Algorithm specified in
842 843
	  ANSI X9.31 A.2.4. Note that this option must be enabled if
	  CRYPTO_FIPS is selected
844

L
Linus Torvalds 已提交
845 846
source "drivers/crypto/Kconfig"

847
endif	# if CRYPTO