Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[deliverable/linux.git] / 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 Userapace 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 (EXPERIMENTAL)"
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 comment "Authenticated Encryption with Associated Data"
178
179 config CRYPTO_CCM
180 tristate "CCM support"
181 select CRYPTO_CTR
182 select CRYPTO_AEAD
183 help
184 Support for Counter with CBC MAC. Required for IPsec.
185
186 config CRYPTO_GCM
187 tristate "GCM/GMAC support"
188 select CRYPTO_CTR
189 select CRYPTO_AEAD
190 select CRYPTO_GHASH
191 help
192 Support for Galois/Counter Mode (GCM) and Galois Message
193 Authentication Code (GMAC). Required for IPSec.
194
195 config CRYPTO_SEQIV
196 tristate "Sequence Number IV Generator"
197 select CRYPTO_AEAD
198 select CRYPTO_BLKCIPHER
199 select CRYPTO_RNG
200 help
201 This IV generator generates an IV based on a sequence number by
202 xoring it with a salt. This algorithm is mainly useful for CTR
203
204 comment "Block modes"
205
206 config CRYPTO_CBC
207 tristate "CBC support"
208 select CRYPTO_BLKCIPHER
209 select CRYPTO_MANAGER
210 help
211 CBC: Cipher Block Chaining mode
212 This block cipher algorithm is required for IPSec.
213
214 config CRYPTO_CTR
215 tristate "CTR support"
216 select CRYPTO_BLKCIPHER
217 select CRYPTO_SEQIV
218 select CRYPTO_MANAGER
219 help
220 CTR: Counter mode
221 This block cipher algorithm is required for IPSec.
222
223 config CRYPTO_CTS
224 tristate "CTS support"
225 select CRYPTO_BLKCIPHER
226 help
227 CTS: Cipher Text Stealing
228 This is the Cipher Text Stealing mode as described by
229 Section 8 of rfc2040 and referenced by rfc3962.
230 (rfc3962 includes errata information in its Appendix A)
231 This mode is required for Kerberos gss mechanism support
232 for AES encryption.
233
234 config CRYPTO_ECB
235 tristate "ECB support"
236 select CRYPTO_BLKCIPHER
237 select CRYPTO_MANAGER
238 help
239 ECB: Electronic CodeBook mode
240 This is the simplest block cipher algorithm. It simply encrypts
241 the input block by block.
242
243 config CRYPTO_LRW
244 tristate "LRW support (EXPERIMENTAL)"
245 depends on EXPERIMENTAL
246 select CRYPTO_BLKCIPHER
247 select CRYPTO_MANAGER
248 select CRYPTO_GF128MUL
249 help
250 LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
251 narrow block cipher mode for dm-crypt. Use it with cipher
252 specification string aes-lrw-benbi, the key must be 256, 320 or 384.
253 The first 128, 192 or 256 bits in the key are used for AES and the
254 rest is used to tie each cipher block to its logical position.
255
256 config CRYPTO_PCBC
257 tristate "PCBC support"
258 select CRYPTO_BLKCIPHER
259 select CRYPTO_MANAGER
260 help
261 PCBC: Propagating Cipher Block Chaining mode
262 This block cipher algorithm is required for RxRPC.
263
264 config CRYPTO_XTS
265 tristate "XTS support (EXPERIMENTAL)"
266 depends on EXPERIMENTAL
267 select CRYPTO_BLKCIPHER
268 select CRYPTO_MANAGER
269 select CRYPTO_GF128MUL
270 help
271 XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
272 key size 256, 384 or 512 bits. This implementation currently
273 can't handle a sectorsize which is not a multiple of 16 bytes.
274
275 comment "Hash modes"
276
277 config CRYPTO_HMAC
278 tristate "HMAC support"
279 select CRYPTO_HASH
280 select CRYPTO_MANAGER
281 help
282 HMAC: Keyed-Hashing for Message Authentication (RFC2104).
283 This is required for IPSec.
284
285 config CRYPTO_XCBC
286 tristate "XCBC support"
287 depends on EXPERIMENTAL
288 select CRYPTO_HASH
289 select CRYPTO_MANAGER
290 help
291 XCBC: Keyed-Hashing with encryption algorithm
292 http://www.ietf.org/rfc/rfc3566.txt
293 http://csrc.nist.gov/encryption/modes/proposedmodes/
294 xcbc-mac/xcbc-mac-spec.pdf
295
296 config CRYPTO_VMAC
297 tristate "VMAC support"
298 depends on EXPERIMENTAL
299 select CRYPTO_HASH
300 select CRYPTO_MANAGER
301 help
302 VMAC is a message authentication algorithm designed for
303 very high speed on 64-bit architectures.
304
305 See also:
306 <http://fastcrypto.org/vmac>
307
308 comment "Digest"
309
310 config CRYPTO_CRC32C
311 tristate "CRC32c CRC algorithm"
312 select CRYPTO_HASH
313 help
314 Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
315 by iSCSI for header and data digests and by others.
316 See Castagnoli93. Module will be crc32c.
317
318 config CRYPTO_CRC32C_INTEL
319 tristate "CRC32c INTEL hardware acceleration"
320 depends on X86
321 select CRYPTO_HASH
322 help
323 In Intel processor with SSE4.2 supported, the processor will
324 support CRC32C implementation using hardware accelerated CRC32
325 instruction. This option will create 'crc32c-intel' module,
326 which will enable any routine to use the CRC32 instruction to
327 gain performance compared with software implementation.
328 Module will be crc32c-intel.
329
330 config CRYPTO_GHASH
331 tristate "GHASH digest algorithm"
332 select CRYPTO_SHASH
333 select CRYPTO_GF128MUL
334 help
335 GHASH is message digest algorithm for GCM (Galois/Counter Mode).
336
337 config CRYPTO_MD4
338 tristate "MD4 digest algorithm"
339 select CRYPTO_HASH
340 help
341 MD4 message digest algorithm (RFC1320).
342
343 config CRYPTO_MD5
344 tristate "MD5 digest algorithm"
345 select CRYPTO_HASH
346 help
347 MD5 message digest algorithm (RFC1321).
348
349 config CRYPTO_MICHAEL_MIC
350 tristate "Michael MIC keyed digest algorithm"
351 select CRYPTO_HASH
352 help
353 Michael MIC is used for message integrity protection in TKIP
354 (IEEE 802.11i). This algorithm is required for TKIP, but it
355 should not be used for other purposes because of the weakness
356 of the algorithm.
357
358 config CRYPTO_RMD128
359 tristate "RIPEMD-128 digest algorithm"
360 select CRYPTO_HASH
361 help
362 RIPEMD-128 (ISO/IEC 10118-3:2004).
363
364 RIPEMD-128 is a 128-bit cryptographic hash function. It should only
365 be used as a secure replacement for RIPEMD. For other use cases,
366 RIPEMD-160 should be used.
367
368 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
369 See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
370
371 config CRYPTO_RMD160
372 tristate "RIPEMD-160 digest algorithm"
373 select CRYPTO_HASH
374 help
375 RIPEMD-160 (ISO/IEC 10118-3:2004).
376
377 RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
378 to be used as a secure replacement for the 128-bit hash functions
379 MD4, MD5 and it's predecessor RIPEMD
380 (not to be confused with RIPEMD-128).
381
382 It's speed is comparable to SHA1 and there are no known attacks
383 against RIPEMD-160.
384
385 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
386 See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
387
388 config CRYPTO_RMD256
389 tristate "RIPEMD-256 digest algorithm"
390 select CRYPTO_HASH
391 help
392 RIPEMD-256 is an optional extension of RIPEMD-128 with a
393 256 bit hash. It is intended for applications that require
394 longer hash-results, without needing a larger security level
395 (than RIPEMD-128).
396
397 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
398 See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
399
400 config CRYPTO_RMD320
401 tristate "RIPEMD-320 digest algorithm"
402 select CRYPTO_HASH
403 help
404 RIPEMD-320 is an optional extension of RIPEMD-160 with a
405 320 bit hash. It is intended for applications that require
406 longer hash-results, without needing a larger security level
407 (than RIPEMD-160).
408
409 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
410 See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
411
412 config CRYPTO_SHA1
413 tristate "SHA1 digest algorithm"
414 select CRYPTO_HASH
415 help
416 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
417
418 config CRYPTO_SHA1_SSSE3
419 tristate "SHA1 digest algorithm (SSSE3/AVX)"
420 depends on X86 && 64BIT
421 select CRYPTO_SHA1
422 select CRYPTO_HASH
423 help
424 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
425 using Supplemental SSE3 (SSSE3) instructions or Advanced Vector
426 Extensions (AVX), when available.
427
428 config CRYPTO_SHA256
429 tristate "SHA224 and SHA256 digest algorithm"
430 select CRYPTO_HASH
431 help
432 SHA256 secure hash standard (DFIPS 180-2).
433
434 This version of SHA implements a 256 bit hash with 128 bits of
435 security against collision attacks.
436
437 This code also includes SHA-224, a 224 bit hash with 112 bits
438 of security against collision attacks.
439
440 config CRYPTO_SHA512
441 tristate "SHA384 and SHA512 digest algorithms"
442 select CRYPTO_HASH
443 help
444 SHA512 secure hash standard (DFIPS 180-2).
445
446 This version of SHA implements a 512 bit hash with 256 bits of
447 security against collision attacks.
448
449 This code also includes SHA-384, a 384 bit hash with 192 bits
450 of security against collision attacks.
451
452 config CRYPTO_TGR192
453 tristate "Tiger digest algorithms"
454 select CRYPTO_HASH
455 help
456 Tiger hash algorithm 192, 160 and 128-bit hashes
457
458 Tiger is a hash function optimized for 64-bit processors while
459 still having decent performance on 32-bit processors.
460 Tiger was developed by Ross Anderson and Eli Biham.
461
462 See also:
463 <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
464
465 config CRYPTO_WP512
466 tristate "Whirlpool digest algorithms"
467 select CRYPTO_HASH
468 help
469 Whirlpool hash algorithm 512, 384 and 256-bit hashes
470
471 Whirlpool-512 is part of the NESSIE cryptographic primitives.
472 Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
473
474 See also:
475 <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html>
476
477 config CRYPTO_GHASH_CLMUL_NI_INTEL
478 tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
479 depends on X86 && 64BIT
480 select CRYPTO_SHASH
481 select CRYPTO_CRYPTD
482 help
483 GHASH is message digest algorithm for GCM (Galois/Counter Mode).
484 The implementation is accelerated by CLMUL-NI of Intel.
485
486 comment "Ciphers"
487
488 config CRYPTO_AES
489 tristate "AES cipher algorithms"
490 select CRYPTO_ALGAPI
491 help
492 AES cipher algorithms (FIPS-197). AES uses the Rijndael
493 algorithm.
494
495 Rijndael appears to be consistently a very good performer in
496 both hardware and software across a wide range of computing
497 environments regardless of its use in feedback or non-feedback
498 modes. Its key setup time is excellent, and its key agility is
499 good. Rijndael's very low memory requirements make it very well
500 suited for restricted-space environments, in which it also
501 demonstrates excellent performance. Rijndael's operations are
502 among the easiest to defend against power and timing attacks.
503
504 The AES specifies three key sizes: 128, 192 and 256 bits
505
506 See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
507
508 config CRYPTO_AES_586
509 tristate "AES cipher algorithms (i586)"
510 depends on (X86 || UML_X86) && !64BIT
511 select CRYPTO_ALGAPI
512 select CRYPTO_AES
513 help
514 AES cipher algorithms (FIPS-197). AES uses the Rijndael
515 algorithm.
516
517 Rijndael appears to be consistently a very good performer in
518 both hardware and software across a wide range of computing
519 environments regardless of its use in feedback or non-feedback
520 modes. Its key setup time is excellent, and its key agility is
521 good. Rijndael's very low memory requirements make it very well
522 suited for restricted-space environments, in which it also
523 demonstrates excellent performance. Rijndael's operations are
524 among the easiest to defend against power and timing attacks.
525
526 The AES specifies three key sizes: 128, 192 and 256 bits
527
528 See <http://csrc.nist.gov/encryption/aes/> for more information.
529
530 config CRYPTO_AES_X86_64
531 tristate "AES cipher algorithms (x86_64)"
532 depends on (X86 || UML_X86) && 64BIT
533 select CRYPTO_ALGAPI
534 select CRYPTO_AES
535 help
536 AES cipher algorithms (FIPS-197). AES uses the Rijndael
537 algorithm.
538
539 Rijndael appears to be consistently a very good performer in
540 both hardware and software across a wide range of computing
541 environments regardless of its use in feedback or non-feedback
542 modes. Its key setup time is excellent, and its key agility is
543 good. Rijndael's very low memory requirements make it very well
544 suited for restricted-space environments, in which it also
545 demonstrates excellent performance. Rijndael's operations are
546 among the easiest to defend against power and timing attacks.
547
548 The AES specifies three key sizes: 128, 192 and 256 bits
549
550 See <http://csrc.nist.gov/encryption/aes/> for more information.
551
552 config CRYPTO_AES_NI_INTEL
553 tristate "AES cipher algorithms (AES-NI)"
554 depends on X86
555 select CRYPTO_AES_X86_64 if 64BIT
556 select CRYPTO_AES_586 if !64BIT
557 select CRYPTO_CRYPTD
558 select CRYPTO_ALGAPI
559 help
560 Use Intel AES-NI instructions for AES algorithm.
561
562 AES cipher algorithms (FIPS-197). AES uses the Rijndael
563 algorithm.
564
565 Rijndael appears to be consistently a very good performer in
566 both hardware and software across a wide range of computing
567 environments regardless of its use in feedback or non-feedback
568 modes. Its key setup time is excellent, and its key agility is
569 good. Rijndael's very low memory requirements make it very well
570 suited for restricted-space environments, in which it also
571 demonstrates excellent performance. Rijndael's operations are
572 among the easiest to defend against power and timing attacks.
573
574 The AES specifies three key sizes: 128, 192 and 256 bits
575
576 See <http://csrc.nist.gov/encryption/aes/> for more information.
577
578 In addition to AES cipher algorithm support, the acceleration
579 for some popular block cipher mode is supported too, including
580 ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional
581 acceleration for CTR.
582
583 config CRYPTO_ANUBIS
584 tristate "Anubis cipher algorithm"
585 select CRYPTO_ALGAPI
586 help
587 Anubis cipher algorithm.
588
589 Anubis is a variable key length cipher which can use keys from
590 128 bits to 320 bits in length. It was evaluated as a entrant
591 in the NESSIE competition.
592
593 See also:
594 <https://www.cosic.esat.kuleuven.be/nessie/reports/>
595 <http://www.larc.usp.br/~pbarreto/AnubisPage.html>
596
597 config CRYPTO_ARC4
598 tristate "ARC4 cipher algorithm"
599 select CRYPTO_ALGAPI
600 help
601 ARC4 cipher algorithm.
602
603 ARC4 is a stream cipher using keys ranging from 8 bits to 2048
604 bits in length. This algorithm is required for driver-based
605 WEP, but it should not be for other purposes because of the
606 weakness of the algorithm.
607
608 config CRYPTO_BLOWFISH
609 tristate "Blowfish cipher algorithm"
610 select CRYPTO_ALGAPI
611 select CRYPTO_BLOWFISH_COMMON
612 help
613 Blowfish cipher algorithm, by Bruce Schneier.
614
615 This is a variable key length cipher which can use keys from 32
616 bits to 448 bits in length. It's fast, simple and specifically
617 designed for use on "large microprocessors".
618
619 See also:
620 <http://www.schneier.com/blowfish.html>
621
622 config CRYPTO_BLOWFISH_COMMON
623 tristate
624 help
625 Common parts of the Blowfish cipher algorithm shared by the
626 generic c and the assembler implementations.
627
628 See also:
629 <http://www.schneier.com/blowfish.html>
630
631 config CRYPTO_BLOWFISH_X86_64
632 tristate "Blowfish cipher algorithm (x86_64)"
633 depends on (X86 || UML_X86) && 64BIT
634 select CRYPTO_ALGAPI
635 select CRYPTO_BLOWFISH_COMMON
636 help
637 Blowfish cipher algorithm (x86_64), by Bruce Schneier.
638
639 This is a variable key length cipher which can use keys from 32
640 bits to 448 bits in length. It's fast, simple and specifically
641 designed for use on "large microprocessors".
642
643 See also:
644 <http://www.schneier.com/blowfish.html>
645
646 config CRYPTO_CAMELLIA
647 tristate "Camellia cipher algorithms"
648 depends on CRYPTO
649 select CRYPTO_ALGAPI
650 help
651 Camellia cipher algorithms module.
652
653 Camellia is a symmetric key block cipher developed jointly
654 at NTT and Mitsubishi Electric Corporation.
655
656 The Camellia specifies three key sizes: 128, 192 and 256 bits.
657
658 See also:
659 <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
660
661 config CRYPTO_CAST5
662 tristate "CAST5 (CAST-128) cipher algorithm"
663 select CRYPTO_ALGAPI
664 help
665 The CAST5 encryption algorithm (synonymous with CAST-128) is
666 described in RFC2144.
667
668 config CRYPTO_CAST6
669 tristate "CAST6 (CAST-256) cipher algorithm"
670 select CRYPTO_ALGAPI
671 help
672 The CAST6 encryption algorithm (synonymous with CAST-256) is
673 described in RFC2612.
674
675 config CRYPTO_DES
676 tristate "DES and Triple DES EDE cipher algorithms"
677 select CRYPTO_ALGAPI
678 help
679 DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
680
681 config CRYPTO_FCRYPT
682 tristate "FCrypt cipher algorithm"
683 select CRYPTO_ALGAPI
684 select CRYPTO_BLKCIPHER
685 help
686 FCrypt algorithm used by RxRPC.
687
688 config CRYPTO_KHAZAD
689 tristate "Khazad cipher algorithm"
690 select CRYPTO_ALGAPI
691 help
692 Khazad cipher algorithm.
693
694 Khazad was a finalist in the initial NESSIE competition. It is
695 an algorithm optimized for 64-bit processors with good performance
696 on 32-bit processors. Khazad uses an 128 bit key size.
697
698 See also:
699 <http://www.larc.usp.br/~pbarreto/KhazadPage.html>
700
701 config CRYPTO_SALSA20
702 tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
703 depends on EXPERIMENTAL
704 select CRYPTO_BLKCIPHER
705 help
706 Salsa20 stream cipher algorithm.
707
708 Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
709 Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
710
711 The Salsa20 stream cipher algorithm is designed by Daniel J.
712 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
713
714 config CRYPTO_SALSA20_586
715 tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
716 depends on (X86 || UML_X86) && !64BIT
717 depends on EXPERIMENTAL
718 select CRYPTO_BLKCIPHER
719 help
720 Salsa20 stream cipher algorithm.
721
722 Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
723 Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
724
725 The Salsa20 stream cipher algorithm is designed by Daniel J.
726 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
727
728 config CRYPTO_SALSA20_X86_64
729 tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
730 depends on (X86 || UML_X86) && 64BIT
731 depends on EXPERIMENTAL
732 select CRYPTO_BLKCIPHER
733 help
734 Salsa20 stream cipher algorithm.
735
736 Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
737 Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
738
739 The Salsa20 stream cipher algorithm is designed by Daniel J.
740 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
741
742 config CRYPTO_SEED
743 tristate "SEED cipher algorithm"
744 select CRYPTO_ALGAPI
745 help
746 SEED cipher algorithm (RFC4269).
747
748 SEED is a 128-bit symmetric key block cipher that has been
749 developed by KISA (Korea Information Security Agency) as a
750 national standard encryption algorithm of the Republic of Korea.
751 It is a 16 round block cipher with the key size of 128 bit.
752
753 See also:
754 <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
755
756 config CRYPTO_SERPENT
757 tristate "Serpent cipher algorithm"
758 select CRYPTO_ALGAPI
759 help
760 Serpent cipher algorithm, by Anderson, Biham & Knudsen.
761
762 Keys are allowed to be from 0 to 256 bits in length, in steps
763 of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
764 variant of Serpent for compatibility with old kerneli.org code.
765
766 See also:
767 <http://www.cl.cam.ac.uk/~rja14/serpent.html>
768
769 config CRYPTO_TEA
770 tristate "TEA, XTEA and XETA cipher algorithms"
771 select CRYPTO_ALGAPI
772 help
773 TEA cipher algorithm.
774
775 Tiny Encryption Algorithm is a simple cipher that uses
776 many rounds for security. It is very fast and uses
777 little memory.
778
779 Xtendend Tiny Encryption Algorithm is a modification to
780 the TEA algorithm to address a potential key weakness
781 in the TEA algorithm.
782
783 Xtendend Encryption Tiny Algorithm is a mis-implementation
784 of the XTEA algorithm for compatibility purposes.
785
786 config CRYPTO_TWOFISH
787 tristate "Twofish cipher algorithm"
788 select CRYPTO_ALGAPI
789 select CRYPTO_TWOFISH_COMMON
790 help
791 Twofish cipher algorithm.
792
793 Twofish was submitted as an AES (Advanced Encryption Standard)
794 candidate cipher by researchers at CounterPane Systems. It is a
795 16 round block cipher supporting key sizes of 128, 192, and 256
796 bits.
797
798 See also:
799 <http://www.schneier.com/twofish.html>
800
801 config CRYPTO_TWOFISH_COMMON
802 tristate
803 help
804 Common parts of the Twofish cipher algorithm shared by the
805 generic c and the assembler implementations.
806
807 config CRYPTO_TWOFISH_586
808 tristate "Twofish cipher algorithms (i586)"
809 depends on (X86 || UML_X86) && !64BIT
810 select CRYPTO_ALGAPI
811 select CRYPTO_TWOFISH_COMMON
812 help
813 Twofish cipher algorithm.
814
815 Twofish was submitted as an AES (Advanced Encryption Standard)
816 candidate cipher by researchers at CounterPane Systems. It is a
817 16 round block cipher supporting key sizes of 128, 192, and 256
818 bits.
819
820 See also:
821 <http://www.schneier.com/twofish.html>
822
823 config CRYPTO_TWOFISH_X86_64
824 tristate "Twofish cipher algorithm (x86_64)"
825 depends on (X86 || UML_X86) && 64BIT
826 select CRYPTO_ALGAPI
827 select CRYPTO_TWOFISH_COMMON
828 help
829 Twofish cipher algorithm (x86_64).
830
831 Twofish was submitted as an AES (Advanced Encryption Standard)
832 candidate cipher by researchers at CounterPane Systems. It is a
833 16 round block cipher supporting key sizes of 128, 192, and 256
834 bits.
835
836 See also:
837 <http://www.schneier.com/twofish.html>
838
839 config CRYPTO_TWOFISH_X86_64_3WAY
840 tristate "Twofish cipher algorithm (x86_64, 3-way parallel)"
841 depends on (X86 || UML_X86) && 64BIT
842 select CRYPTO_ALGAPI
843 select CRYPTO_TWOFISH_COMMON
844 select CRYPTO_TWOFISH_X86_64
845 help
846 Twofish cipher algorithm (x86_64, 3-way parallel).
847
848 Twofish was submitted as an AES (Advanced Encryption Standard)
849 candidate cipher by researchers at CounterPane Systems. It is a
850 16 round block cipher supporting key sizes of 128, 192, and 256
851 bits.
852
853 This module provides Twofish cipher algorithm that processes three
854 blocks parallel, utilizing resources of out-of-order CPUs better.
855
856 See also:
857 <http://www.schneier.com/twofish.html>
858
859 comment "Compression"
860
861 config CRYPTO_DEFLATE
862 tristate "Deflate compression algorithm"
863 select CRYPTO_ALGAPI
864 select ZLIB_INFLATE
865 select ZLIB_DEFLATE
866 help
867 This is the Deflate algorithm (RFC1951), specified for use in
868 IPSec with the IPCOMP protocol (RFC3173, RFC2394).
869
870 You will most probably want this if using IPSec.
871
872 config CRYPTO_ZLIB
873 tristate "Zlib compression algorithm"
874 select CRYPTO_PCOMP
875 select ZLIB_INFLATE
876 select ZLIB_DEFLATE
877 select NLATTR
878 help
879 This is the zlib algorithm.
880
881 config CRYPTO_LZO
882 tristate "LZO compression algorithm"
883 select CRYPTO_ALGAPI
884 select LZO_COMPRESS
885 select LZO_DECOMPRESS
886 help
887 This is the LZO algorithm.
888
889 comment "Random Number Generation"
890
891 config CRYPTO_ANSI_CPRNG
892 tristate "Pseudo Random Number Generation for Cryptographic modules"
893 default m
894 select CRYPTO_AES
895 select CRYPTO_RNG
896 help
897 This option enables the generic pseudo random number generator
898 for cryptographic modules. Uses the Algorithm specified in
899 ANSI X9.31 A.2.4. Note that this option must be enabled if
900 CRYPTO_FIPS is selected
901
902 config CRYPTO_USER_API
903 tristate
904
905 config CRYPTO_USER_API_HASH
906 tristate "User-space interface for hash algorithms"
907 depends on NET
908 select CRYPTO_HASH
909 select CRYPTO_USER_API
910 help
911 This option enables the user-spaces interface for hash
912 algorithms.
913
914 config CRYPTO_USER_API_SKCIPHER
915 tristate "User-space interface for symmetric key cipher algorithms"
916 depends on NET
917 select CRYPTO_BLKCIPHER
918 select CRYPTO_USER_API
919 help
920 This option enables the user-spaces interface for symmetric
921 key cipher algorithms.
922
923 source "drivers/crypto/Kconfig"
924
925 endif # if CRYPTO
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