Kconfig 24.1 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 && !CRYPTO_MANAGER_DISABLE_TESTS
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.
N
Neil Horman 已提交
32

33 34
config CRYPTO_ALGAPI
	tristate
35
	select CRYPTO_ALGAPI2
36 37 38
	help
	  This option provides the API for cryptographic algorithms.

39 40 41
config CRYPTO_ALGAPI2
	tristate

H
Herbert Xu 已提交
42 43
config CRYPTO_AEAD
	tristate
44
	select CRYPTO_AEAD2
H
Herbert Xu 已提交
45 46
	select CRYPTO_ALGAPI

47 48 49 50
config CRYPTO_AEAD2
	tristate
	select CRYPTO_ALGAPI2

51 52
config CRYPTO_BLKCIPHER
	tristate
53
	select CRYPTO_BLKCIPHER2
54
	select CRYPTO_ALGAPI
55 56 57 58 59

config CRYPTO_BLKCIPHER2
	tristate
	select CRYPTO_ALGAPI2
	select CRYPTO_RNG2
60
	select CRYPTO_WORKQUEUE
61

62 63
config CRYPTO_HASH
	tristate
64
	select CRYPTO_HASH2
65 66
	select CRYPTO_ALGAPI

67 68 69 70
config CRYPTO_HASH2
	tristate
	select CRYPTO_ALGAPI2

71 72
config CRYPTO_RNG
	tristate
73
	select CRYPTO_RNG2
74 75
	select CRYPTO_ALGAPI

76 77 78 79
config CRYPTO_RNG2
	tristate
	select CRYPTO_ALGAPI2

80
config CRYPTO_PCOMP
81 82 83 84 85
	tristate
	select CRYPTO_PCOMP2
	select CRYPTO_ALGAPI

config CRYPTO_PCOMP2
86 87 88
	tristate
	select CRYPTO_ALGAPI2

H
Herbert Xu 已提交
89 90
config CRYPTO_MANAGER
	tristate "Cryptographic algorithm manager"
91
	select CRYPTO_MANAGER2
H
Herbert Xu 已提交
92 93 94 95
	help
	  Create default cryptographic template instantiations such as
	  cbc(aes).

96 97 98 99 100
config CRYPTO_MANAGER2
	def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
	select CRYPTO_AEAD2
	select CRYPTO_HASH2
	select CRYPTO_BLKCIPHER2
101
	select CRYPTO_PCOMP2
102

103 104
config CRYPTO_MANAGER_DISABLE_TESTS
	bool "Disable run-time self tests"
105 106
	default y
	depends on CRYPTO_MANAGER2
107
	help
108 109
	  Disable run-time self tests that normally take place at
	  algorithm registration.
110

111 112
config CRYPTO_GF128MUL
	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
K
Kazunori MIYAZAWA 已提交
113
	help
114 115 116 117 118
	  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
119

L
Linus Torvalds 已提交
120 121
config CRYPTO_NULL
	tristate "Null algorithms"
122
	select CRYPTO_ALGAPI
123
	select CRYPTO_BLKCIPHER
H
Herbert Xu 已提交
124
	select CRYPTO_HASH
L
Linus Torvalds 已提交
125 126 127
	help
	  These are 'Null' algorithms, used by IPsec, which do nothing.

128 129 130 131 132 133 134 135 136 137
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.

138 139 140
config CRYPTO_WORKQUEUE
       tristate

141 142 143
config CRYPTO_CRYPTD
	tristate "Software async crypto daemon"
	select CRYPTO_BLKCIPHER
144
	select CRYPTO_HASH
145
	select CRYPTO_MANAGER
146
	select CRYPTO_WORKQUEUE
L
Linus Torvalds 已提交
147
	help
148 149 150
	  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
151

152 153 154 155 156 157
config CRYPTO_AUTHENC
	tristate "Authenc support"
	select CRYPTO_AEAD
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	select CRYPTO_HASH
L
Linus Torvalds 已提交
158
	help
159 160
	  Authenc: Combined mode wrapper for IPsec.
	  This is required for IPSec.
L
Linus Torvalds 已提交
161

162 163 164
config CRYPTO_TEST
	tristate "Testing module"
	depends on m
165
	select CRYPTO_MANAGER
L
Linus Torvalds 已提交
166
	help
167
	  Quick & dirty crypto test module.
L
Linus Torvalds 已提交
168

169
comment "Authenticated Encryption with Associated Data"
170

171 172 173 174
config CRYPTO_CCM
	tristate "CCM support"
	select CRYPTO_CTR
	select CRYPTO_AEAD
L
Linus Torvalds 已提交
175
	help
176
	  Support for Counter with CBC MAC. Required for IPsec.
L
Linus Torvalds 已提交
177

178 179 180 181
config CRYPTO_GCM
	tristate "GCM/GMAC support"
	select CRYPTO_CTR
	select CRYPTO_AEAD
182
	select CRYPTO_GHASH
L
Linus Torvalds 已提交
183
	help
184 185
	  Support for Galois/Counter Mode (GCM) and Galois Message
	  Authentication Code (GMAC). Required for IPSec.
L
Linus Torvalds 已提交
186

187 188 189 190
config CRYPTO_SEQIV
	tristate "Sequence Number IV Generator"
	select CRYPTO_AEAD
	select CRYPTO_BLKCIPHER
191
	select CRYPTO_RNG
L
Linus Torvalds 已提交
192
	help
193 194
	  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
195

196
comment "Block modes"
197

198 199
config CRYPTO_CBC
	tristate "CBC support"
200
	select CRYPTO_BLKCIPHER
201
	select CRYPTO_MANAGER
202
	help
203 204
	  CBC: Cipher Block Chaining mode
	  This block cipher algorithm is required for IPSec.
205

206 207
config CRYPTO_CTR
	tristate "CTR support"
208
	select CRYPTO_BLKCIPHER
209
	select CRYPTO_SEQIV
210
	select CRYPTO_MANAGER
211
	help
212
	  CTR: Counter mode
213 214
	  This block cipher algorithm is required for IPSec.

215 216 217 218 219 220 221 222 223 224 225 226 227
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"
228 229 230
	select CRYPTO_BLKCIPHER
	select CRYPTO_MANAGER
	help
231 232 233
	  ECB: Electronic CodeBook mode
	  This is the simplest block cipher algorithm.  It simply encrypts
	  the input block by block.
234

235 236 237 238 239 240 241 242 243 244 245 246 247
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.

248 249 250 251 252 253 254 255
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.

256 257 258 259 260 261 262 263 264 265 266
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.

267 268 269 270 271
comment "Hash modes"

config CRYPTO_HMAC
	tristate "HMAC support"
	select CRYPTO_HASH
272 273
	select CRYPTO_MANAGER
	help
274 275
	  HMAC: Keyed-Hashing for Message Authentication (RFC2104).
	  This is required for IPSec.
276

277 278 279 280 281
config CRYPTO_XCBC
	tristate "XCBC support"
	depends on EXPERIMENTAL
	select CRYPTO_HASH
	select CRYPTO_MANAGER
282
	help
283 284 285 286
	  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
287

288 289 290 291 292 293 294 295 296 297 298 299
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>

300
comment "Digest"
M
Mikko Herranen 已提交
301

302 303
config CRYPTO_CRC32C
	tristate "CRC32c CRC algorithm"
304
	select CRYPTO_HASH
J
Joy Latten 已提交
305
	help
306 307
	  Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
	  by iSCSI for header and data digests and by others.
308
	  See Castagnoli93.  Module will be crc32c.
J
Joy Latten 已提交
309

310 311 312 313 314 315 316 317 318 319 320 321
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.

322 323 324 325 326 327 328
config CRYPTO_GHASH
	tristate "GHASH digest algorithm"
	select CRYPTO_SHASH
	select CRYPTO_GF128MUL
	help
	  GHASH is message digest algorithm for GCM (Galois/Counter Mode).

329 330
config CRYPTO_MD4
	tristate "MD4 digest algorithm"
331
	select CRYPTO_HASH
332
	help
333
	  MD4 message digest algorithm (RFC1320).
334

335 336
config CRYPTO_MD5
	tristate "MD5 digest algorithm"
337
	select CRYPTO_HASH
L
Linus Torvalds 已提交
338
	help
339
	  MD5 message digest algorithm (RFC1321).
L
Linus Torvalds 已提交
340

341 342
config CRYPTO_MICHAEL_MIC
	tristate "Michael MIC keyed digest algorithm"
343
	select CRYPTO_HASH
344
	help
345 346 347 348
	  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.
349

350
config CRYPTO_RMD128
351
	tristate "RIPEMD-128 digest algorithm"
H
Herbert Xu 已提交
352
	select CRYPTO_HASH
353 354
	help
	  RIPEMD-128 (ISO/IEC 10118-3:2004).
355

356 357 358
	  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.
359

360
	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
361
	  See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
362 363

config CRYPTO_RMD160
364
	tristate "RIPEMD-160 digest algorithm"
H
Herbert Xu 已提交
365
	select CRYPTO_HASH
366 367
	help
	  RIPEMD-160 (ISO/IEC 10118-3:2004).
368

369 370 371 372
	  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).
373

374 375
	  It's speed is comparable to SHA1 and there are no known attacks
	  against RIPEMD-160.
376

377
	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
378
	  See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
379 380

config CRYPTO_RMD256
381
	tristate "RIPEMD-256 digest algorithm"
H
Herbert Xu 已提交
382
	select CRYPTO_HASH
383 384 385 386 387
	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).
388

389
	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
390
	  See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
391 392

config CRYPTO_RMD320
393
	tristate "RIPEMD-320 digest algorithm"
H
Herbert Xu 已提交
394
	select CRYPTO_HASH
395 396 397 398 399
	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).
400

401
	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
402
	  See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
403

404 405
config CRYPTO_SHA1
	tristate "SHA1 digest algorithm"
406
	select CRYPTO_HASH
L
Linus Torvalds 已提交
407
	help
408
	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
L
Linus Torvalds 已提交
409

410 411
config CRYPTO_SHA256
	tristate "SHA224 and SHA256 digest algorithm"
412
	select CRYPTO_HASH
L
Linus Torvalds 已提交
413
	help
414
	  SHA256 secure hash standard (DFIPS 180-2).
L
Linus Torvalds 已提交
415

416 417
	  This version of SHA implements a 256 bit hash with 128 bits of
	  security against collision attacks.
418

419 420
	  This code also includes SHA-224, a 224 bit hash with 112 bits
	  of security against collision attacks.
421 422 423

config CRYPTO_SHA512
	tristate "SHA384 and SHA512 digest algorithms"
424
	select CRYPTO_HASH
425
	help
426
	  SHA512 secure hash standard (DFIPS 180-2).
427

428 429
	  This version of SHA implements a 512 bit hash with 256 bits of
	  security against collision attacks.
430

431 432
	  This code also includes SHA-384, a 384 bit hash with 192 bits
	  of security against collision attacks.
433

434 435
config CRYPTO_TGR192
	tristate "Tiger digest algorithms"
436
	select CRYPTO_HASH
437
	help
438
	  Tiger hash algorithm 192, 160 and 128-bit hashes
439

440 441 442
	  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.
443 444

	  See also:
445
	  <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
446

447 448
config CRYPTO_WP512
	tristate "Whirlpool digest algorithms"
449
	select CRYPTO_HASH
L
Linus Torvalds 已提交
450
	help
451
	  Whirlpool hash algorithm 512, 384 and 256-bit hashes
L
Linus Torvalds 已提交
452

453 454
	  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
455 456

	  See also:
457
	  <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html>
458

459 460
config CRYPTO_GHASH_CLMUL_NI_INTEL
	tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
461
	depends on (X86 || UML_X86) && 64BIT
462 463 464 465 466 467
	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.

468
comment "Ciphers"
L
Linus Torvalds 已提交
469 470 471

config CRYPTO_AES
	tristate "AES cipher algorithms"
472
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
473
	help
474
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael
L
Linus Torvalds 已提交
475 476 477
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
478 479 480 481 482 483 484
	  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
485

486
	  The AES specifies three key sizes: 128, 192 and 256 bits
L
Linus Torvalds 已提交
487 488 489 490 491

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

config CRYPTO_AES_586
	tristate "AES cipher algorithms (i586)"
492 493
	depends on (X86 || UML_X86) && !64BIT
	select CRYPTO_ALGAPI
494
	select CRYPTO_AES
L
Linus Torvalds 已提交
495
	help
496
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael
L
Linus Torvalds 已提交
497 498 499
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
500 501 502 503 504 505 506
	  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
507

508
	  The AES specifies three key sizes: 128, 192 and 256 bits
A
Andreas Steinmetz 已提交
509 510 511 512 513

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

config CRYPTO_AES_X86_64
	tristate "AES cipher algorithms (x86_64)"
514 515
	depends on (X86 || UML_X86) && 64BIT
	select CRYPTO_ALGAPI
516
	select CRYPTO_AES
A
Andreas Steinmetz 已提交
517
	help
518
	  AES cipher algorithms (FIPS-197). AES uses the Rijndael
A
Andreas Steinmetz 已提交
519 520 521
	  algorithm.

	  Rijndael appears to be consistently a very good performer in
522 523 524
	  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
525 526 527 528 529 530 531 532 533 534 535
	  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)"
536 537 538
	depends on (X86 || UML_X86)
	select CRYPTO_AES_X86_64 if 64BIT
	select CRYPTO_AES_586 if !64BIT
539 540 541 542 543 544 545 546 547 548 549 550
	select CRYPTO_CRYPTD
	select CRYPTO_ALGAPI
	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
551 552 553 554
	  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
555

556
	  The AES specifies three key sizes: 128, 192 and 256 bits
L
Linus Torvalds 已提交
557 558 559

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

560 561 562 563
	  In addition to AES cipher algorithm support, the acceleration
	  for some popular block cipher mode is supported too, including
	  ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional
	  acceleration for CTR.
564

565 566 567 568 569 570 571 572 573 574 575
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:
576 577
	  <https://www.cosic.esat.kuleuven.be/nessie/reports/>
	  <http://www.larc.usp.br/~pbarreto/AnubisPage.html>
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

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
618 619
config CRYPTO_CAST5
	tristate "CAST5 (CAST-128) cipher algorithm"
620
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
621 622 623 624 625 626
	help
	  The CAST5 encryption algorithm (synonymous with CAST-128) is
	  described in RFC2144.

config CRYPTO_CAST6
	tristate "CAST6 (CAST-256) cipher algorithm"
627
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
628 629 630 631
	help
	  The CAST6 encryption algorithm (synonymous with CAST-256) is
	  described in RFC2612.

632 633
config CRYPTO_DES
	tristate "DES and Triple DES EDE cipher algorithms"
634
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
635
	help
636
	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
A
Aaron Grothe 已提交
637

638 639
config CRYPTO_FCRYPT
	tristate "FCrypt cipher algorithm"
640
	select CRYPTO_ALGAPI
641
	select CRYPTO_BLKCIPHER
L
Linus Torvalds 已提交
642
	help
643
	  FCrypt algorithm used by RxRPC.
L
Linus Torvalds 已提交
644 645 646

config CRYPTO_KHAZAD
	tristate "Khazad cipher algorithm"
647
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
648 649 650 651 652 653 654 655
	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:
656
	  <http://www.larc.usp.br/~pbarreto/KhazadPage.html>
L
Linus Torvalds 已提交
657

658 659 660 661 662 663 664 665 666
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/>
667 668 669 670 671 672 673 674 675 676 677 678 679 680

	  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/>
681 682 683 684 685 686 687 688 689 690 691 692 693 694

	  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/>
695 696 697

	  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
698

699 700
config CRYPTO_SEED
	tristate "SEED cipher algorithm"
701
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
702
	help
703
	  SEED cipher algorithm (RFC4269).
L
Linus Torvalds 已提交
704

705 706 707 708 709 710 711 712 713 714
	  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"
715
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
716
	help
717
	  Serpent cipher algorithm, by Anderson, Biham & Knudsen.
L
Linus Torvalds 已提交
718

719 720 721 722 723 724 725 726 727
	  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"
728
	select CRYPTO_ALGAPI
L
Linus Torvalds 已提交
729
	help
730
	  TEA cipher algorithm.
L
Linus Torvalds 已提交
731

732 733 734 735 736 737 738 739 740 741 742 743 744
	  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"
745
	select CRYPTO_ALGAPI
746
	select CRYPTO_TWOFISH_COMMON
747
	help
748
	  Twofish cipher algorithm.
749

750 751 752 753
	  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.
754

755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775
	  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.
776 777

	  See also:
778
	  <http://www.schneier.com/twofish.html>
779

780 781 782
config CRYPTO_TWOFISH_X86_64
	tristate "Twofish cipher algorithm (x86_64)"
	depends on (X86 || UML_X86) && 64BIT
783
	select CRYPTO_ALGAPI
784
	select CRYPTO_TWOFISH_COMMON
L
Linus Torvalds 已提交
785
	help
786
	  Twofish cipher algorithm (x86_64).
L
Linus Torvalds 已提交
787

788 789 790 791 792 793 794 795 796 797 798 799 800 801 802
	  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
803
	help
804 805 806 807
	  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
808

809 810 811 812 813 814 815 816 817
config CRYPTO_ZLIB
	tristate "Zlib compression algorithm"
	select CRYPTO_PCOMP
	select ZLIB_INFLATE
	select ZLIB_DEFLATE
	select NLATTR
	help
	  This is the zlib algorithm.

818 819 820 821 822 823 824 825
config CRYPTO_LZO
	tristate "LZO compression algorithm"
	select CRYPTO_ALGAPI
	select LZO_COMPRESS
	select LZO_DECOMPRESS
	help
	  This is the LZO algorithm.

826 827 828 829
comment "Random Number Generation"

config CRYPTO_ANSI_CPRNG
	tristate "Pseudo Random Number Generation for Cryptographic modules"
830
	default m
831 832 833 834 835
	select CRYPTO_AES
	select CRYPTO_RNG
	help
	  This option enables the generic pseudo random number generator
	  for cryptographic modules.  Uses the Algorithm specified in
836 837
	  ANSI X9.31 A.2.4. Note that this option must be enabled if
	  CRYPTO_FIPS is selected
838

839 840 841
config CRYPTO_USER_API
	tristate

842 843
config CRYPTO_USER_API_HASH
	tristate "User-space interface for hash algorithms"
844
	depends on NET
845 846 847 848 849 850
	select CRYPTO_HASH
	select CRYPTO_USER_API
	help
	  This option enables the user-spaces interface for hash
	  algorithms.

851 852
config CRYPTO_USER_API_SKCIPHER
	tristate "User-space interface for symmetric key cipher algorithms"
853
	depends on NET
854 855 856 857 858 859
	select CRYPTO_BLKCIPHER
	select CRYPTO_USER_API
	help
	  This option enables the user-spaces interface for symmetric
	  key cipher algorithms.

L
Linus Torvalds 已提交
860 861
source "drivers/crypto/Kconfig"

862
endif	# if CRYPTO