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685784aa
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1#
2# Generic algorithms support
3#
4config XOR_BLOCKS
5 tristate
6
1da177e4 7#
9bc89cd8 8# async_tx api: hardware offloaded memory transfer/transform support
1da177e4 9#
9bc89cd8 10source "crypto/async_tx/Kconfig"
1da177e4 11
9bc89cd8
DW
12#
13# Cryptographic API Configuration
14#
2e290f43 15menuconfig CRYPTO
c3715cb9 16 tristate "Cryptographic API"
1da177e4
LT
17 help
18 This option provides the core Cryptographic API.
19
cce9e06d
HX
20if CRYPTO
21
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22comment "Crypto core or helper"
23
ccb778e1
NH
24config CRYPTO_FIPS
25 bool "FIPS 200 compliance"
e84c5480 26 depends on CRYPTO_ANSI_CPRNG && !CRYPTO_MANAGER_DISABLE_TESTS
ccb778e1
NH
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
e84c5480 31 this is.
ccb778e1 32
cce9e06d
HX
33config CRYPTO_ALGAPI
34 tristate
6a0fcbb4 35 select CRYPTO_ALGAPI2
cce9e06d
HX
36 help
37 This option provides the API for cryptographic algorithms.
38
6a0fcbb4
HX
39config CRYPTO_ALGAPI2
40 tristate
41
1ae97820
HX
42config CRYPTO_AEAD
43 tristate
6a0fcbb4 44 select CRYPTO_AEAD2
1ae97820
HX
45 select CRYPTO_ALGAPI
46
6a0fcbb4
HX
47config CRYPTO_AEAD2
48 tristate
49 select CRYPTO_ALGAPI2
50
5cde0af2
HX
51config CRYPTO_BLKCIPHER
52 tristate
6a0fcbb4 53 select CRYPTO_BLKCIPHER2
5cde0af2 54 select CRYPTO_ALGAPI
6a0fcbb4
HX
55
56config CRYPTO_BLKCIPHER2
57 tristate
58 select CRYPTO_ALGAPI2
59 select CRYPTO_RNG2
0a2e821d 60 select CRYPTO_WORKQUEUE
5cde0af2 61
055bcee3
HX
62config CRYPTO_HASH
63 tristate
6a0fcbb4 64 select CRYPTO_HASH2
055bcee3
HX
65 select CRYPTO_ALGAPI
66
6a0fcbb4
HX
67config CRYPTO_HASH2
68 tristate
69 select CRYPTO_ALGAPI2
70
17f0f4a4
NH
71config CRYPTO_RNG
72 tristate
6a0fcbb4 73 select CRYPTO_RNG2
17f0f4a4
NH
74 select CRYPTO_ALGAPI
75
6a0fcbb4
HX
76config CRYPTO_RNG2
77 tristate
78 select CRYPTO_ALGAPI2
79
a1d2f095 80config CRYPTO_PCOMP
bc94e596
HX
81 tristate
82 select CRYPTO_PCOMP2
83 select CRYPTO_ALGAPI
84
85config CRYPTO_PCOMP2
a1d2f095
GU
86 tristate
87 select CRYPTO_ALGAPI2
88
2b8c19db
HX
89config CRYPTO_MANAGER
90 tristate "Cryptographic algorithm manager"
6a0fcbb4 91 select CRYPTO_MANAGER2
2b8c19db
HX
92 help
93 Create default cryptographic template instantiations such as
94 cbc(aes).
95
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HX
96config 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
bc94e596 101 select CRYPTO_PCOMP2
6a0fcbb4 102
326a6346
HX
103config CRYPTO_MANAGER_DISABLE_TESTS
104 bool "Disable run-time self tests"
00ca28a5
HX
105 default y
106 depends on CRYPTO_MANAGER2
0b767f96 107 help
326a6346
HX
108 Disable run-time self tests that normally take place at
109 algorithm registration.
0b767f96 110
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111config CRYPTO_GF128MUL
112 tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
333b0d7e 113 depends on EXPERIMENTAL
333b0d7e 114 help
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SS
115 Efficient table driven implementation of multiplications in the
116 field GF(2^128). This is needed by some cypher modes. This
117 option will be selected automatically if you select such a
118 cipher mode. Only select this option by hand if you expect to load
119 an external module that requires these functions.
333b0d7e 120
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121config CRYPTO_NULL
122 tristate "Null algorithms"
cce9e06d 123 select CRYPTO_ALGAPI
c8620c25 124 select CRYPTO_BLKCIPHER
d35d2454 125 select CRYPTO_HASH
1da177e4
LT
126 help
127 These are 'Null' algorithms, used by IPsec, which do nothing.
128
5068c7a8
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129config CRYPTO_PCRYPT
130 tristate "Parallel crypto engine (EXPERIMENTAL)"
131 depends on SMP && EXPERIMENTAL
132 select PADATA
133 select CRYPTO_MANAGER
134 select CRYPTO_AEAD
135 help
136 This converts an arbitrary crypto algorithm into a parallel
137 algorithm that executes in kernel threads.
138
25c38d3f
HY
139config CRYPTO_WORKQUEUE
140 tristate
141
584fffc8
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142config CRYPTO_CRYPTD
143 tristate "Software async crypto daemon"
144 select CRYPTO_BLKCIPHER
b8a28251 145 select CRYPTO_HASH
584fffc8 146 select CRYPTO_MANAGER
254eff77 147 select CRYPTO_WORKQUEUE
1da177e4 148 help
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149 This is a generic software asynchronous crypto daemon that
150 converts an arbitrary synchronous software crypto algorithm
151 into an asynchronous algorithm that executes in a kernel thread.
1da177e4 152
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153config CRYPTO_AUTHENC
154 tristate "Authenc support"
155 select CRYPTO_AEAD
156 select CRYPTO_BLKCIPHER
157 select CRYPTO_MANAGER
158 select CRYPTO_HASH
1da177e4 159 help
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160 Authenc: Combined mode wrapper for IPsec.
161 This is required for IPSec.
1da177e4 162
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163config CRYPTO_TEST
164 tristate "Testing module"
165 depends on m
da7f033d 166 select CRYPTO_MANAGER
1da177e4 167 help
584fffc8 168 Quick & dirty crypto test module.
1da177e4 169
584fffc8 170comment "Authenticated Encryption with Associated Data"
cd12fb90 171
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172config CRYPTO_CCM
173 tristate "CCM support"
174 select CRYPTO_CTR
175 select CRYPTO_AEAD
1da177e4 176 help
584fffc8 177 Support for Counter with CBC MAC. Required for IPsec.
1da177e4 178
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SS
179config CRYPTO_GCM
180 tristate "GCM/GMAC support"
181 select CRYPTO_CTR
182 select CRYPTO_AEAD
9382d97a 183 select CRYPTO_GHASH
1da177e4 184 help
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185 Support for Galois/Counter Mode (GCM) and Galois Message
186 Authentication Code (GMAC). Required for IPSec.
1da177e4 187
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188config CRYPTO_SEQIV
189 tristate "Sequence Number IV Generator"
190 select CRYPTO_AEAD
191 select CRYPTO_BLKCIPHER
a0f000ec 192 select CRYPTO_RNG
1da177e4 193 help
584fffc8
SS
194 This IV generator generates an IV based on a sequence number by
195 xoring it with a salt. This algorithm is mainly useful for CTR
1da177e4 196
584fffc8 197comment "Block modes"
c494e070 198
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199config CRYPTO_CBC
200 tristate "CBC support"
db131ef9 201 select CRYPTO_BLKCIPHER
43518407 202 select CRYPTO_MANAGER
db131ef9 203 help
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204 CBC: Cipher Block Chaining mode
205 This block cipher algorithm is required for IPSec.
db131ef9 206
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207config CRYPTO_CTR
208 tristate "CTR support"
db131ef9 209 select CRYPTO_BLKCIPHER
584fffc8 210 select CRYPTO_SEQIV
43518407 211 select CRYPTO_MANAGER
db131ef9 212 help
584fffc8 213 CTR: Counter mode
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214 This block cipher algorithm is required for IPSec.
215
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216config CRYPTO_CTS
217 tristate "CTS support"
218 select CRYPTO_BLKCIPHER
219 help
220 CTS: Cipher Text Stealing
221 This is the Cipher Text Stealing mode as described by
222 Section 8 of rfc2040 and referenced by rfc3962.
223 (rfc3962 includes errata information in its Appendix A)
224 This mode is required for Kerberos gss mechanism support
225 for AES encryption.
226
227config CRYPTO_ECB
228 tristate "ECB support"
91652be5
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229 select CRYPTO_BLKCIPHER
230 select CRYPTO_MANAGER
91652be5 231 help
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232 ECB: Electronic CodeBook mode
233 This is the simplest block cipher algorithm. It simply encrypts
234 the input block by block.
91652be5 235
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236config CRYPTO_LRW
237 tristate "LRW support (EXPERIMENTAL)"
238 depends on EXPERIMENTAL
239 select CRYPTO_BLKCIPHER
240 select CRYPTO_MANAGER
241 select CRYPTO_GF128MUL
242 help
243 LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
244 narrow block cipher mode for dm-crypt. Use it with cipher
245 specification string aes-lrw-benbi, the key must be 256, 320 or 384.
246 The first 128, 192 or 256 bits in the key are used for AES and the
247 rest is used to tie each cipher block to its logical position.
248
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249config CRYPTO_PCBC
250 tristate "PCBC support"
251 select CRYPTO_BLKCIPHER
252 select CRYPTO_MANAGER
253 help
254 PCBC: Propagating Cipher Block Chaining mode
255 This block cipher algorithm is required for RxRPC.
256
f19f5111
RS
257config CRYPTO_XTS
258 tristate "XTS support (EXPERIMENTAL)"
259 depends on EXPERIMENTAL
260 select CRYPTO_BLKCIPHER
261 select CRYPTO_MANAGER
262 select CRYPTO_GF128MUL
263 help
264 XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
265 key size 256, 384 or 512 bits. This implementation currently
266 can't handle a sectorsize which is not a multiple of 16 bytes.
267
150c7e85
HY
268config CRYPTO_FPU
269 tristate
270 select CRYPTO_BLKCIPHER
271 select CRYPTO_MANAGER
272
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273comment "Hash modes"
274
275config CRYPTO_HMAC
276 tristate "HMAC support"
277 select CRYPTO_HASH
23e353c8 278 select CRYPTO_MANAGER
23e353c8 279 help
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280 HMAC: Keyed-Hashing for Message Authentication (RFC2104).
281 This is required for IPSec.
23e353c8 282
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SS
283config CRYPTO_XCBC
284 tristate "XCBC support"
285 depends on EXPERIMENTAL
286 select CRYPTO_HASH
287 select CRYPTO_MANAGER
76cb9521 288 help
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SS
289 XCBC: Keyed-Hashing with encryption algorithm
290 http://www.ietf.org/rfc/rfc3566.txt
291 http://csrc.nist.gov/encryption/modes/proposedmodes/
292 xcbc-mac/xcbc-mac-spec.pdf
76cb9521 293
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SW
294config CRYPTO_VMAC
295 tristate "VMAC support"
296 depends on EXPERIMENTAL
297 select CRYPTO_HASH
298 select CRYPTO_MANAGER
299 help
300 VMAC is a message authentication algorithm designed for
301 very high speed on 64-bit architectures.
302
303 See also:
304 <http://fastcrypto.org/vmac>
305
584fffc8 306comment "Digest"
28db8e3e 307
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SS
308config CRYPTO_CRC32C
309 tristate "CRC32c CRC algorithm"
5773a3e6 310 select CRYPTO_HASH
4a49b499 311 help
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312 Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
313 by iSCSI for header and data digests and by others.
69c35efc 314 See Castagnoli93. Module will be crc32c.
4a49b499 315
8cb51ba8
AZ
316config CRYPTO_CRC32C_INTEL
317 tristate "CRC32c INTEL hardware acceleration"
318 depends on X86
319 select CRYPTO_HASH
320 help
321 In Intel processor with SSE4.2 supported, the processor will
322 support CRC32C implementation using hardware accelerated CRC32
323 instruction. This option will create 'crc32c-intel' module,
324 which will enable any routine to use the CRC32 instruction to
325 gain performance compared with software implementation.
326 Module will be crc32c-intel.
327
2cdc6899
HY
328config CRYPTO_GHASH
329 tristate "GHASH digest algorithm"
330 select CRYPTO_SHASH
331 select CRYPTO_GF128MUL
332 help
333 GHASH is message digest algorithm for GCM (Galois/Counter Mode).
334
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SS
335config CRYPTO_MD4
336 tristate "MD4 digest algorithm"
808a1763 337 select CRYPTO_HASH
124b53d0 338 help
584fffc8 339 MD4 message digest algorithm (RFC1320).
124b53d0 340
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SS
341config CRYPTO_MD5
342 tristate "MD5 digest algorithm"
14b75ba7 343 select CRYPTO_HASH
1da177e4 344 help
584fffc8 345 MD5 message digest algorithm (RFC1321).
1da177e4 346
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347config CRYPTO_MICHAEL_MIC
348 tristate "Michael MIC keyed digest algorithm"
19e2bf14 349 select CRYPTO_HASH
90831639 350 help
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351 Michael MIC is used for message integrity protection in TKIP
352 (IEEE 802.11i). This algorithm is required for TKIP, but it
353 should not be used for other purposes because of the weakness
354 of the algorithm.
90831639 355
82798f90 356config CRYPTO_RMD128
b6d44341 357 tristate "RIPEMD-128 digest algorithm"
7c4468bc 358 select CRYPTO_HASH
b6d44341
AB
359 help
360 RIPEMD-128 (ISO/IEC 10118-3:2004).
82798f90 361
b6d44341
AB
362 RIPEMD-128 is a 128-bit cryptographic hash function. It should only
363 to be used as a secure replacement for RIPEMD. For other use cases
364 RIPEMD-160 should be used.
82798f90 365
b6d44341 366 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
6d8de74c 367 See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
82798f90
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368
369config CRYPTO_RMD160
b6d44341 370 tristate "RIPEMD-160 digest algorithm"
e5835fba 371 select CRYPTO_HASH
b6d44341
AB
372 help
373 RIPEMD-160 (ISO/IEC 10118-3:2004).
82798f90 374
b6d44341
AB
375 RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
376 to be used as a secure replacement for the 128-bit hash functions
377 MD4, MD5 and it's predecessor RIPEMD
378 (not to be confused with RIPEMD-128).
82798f90 379
b6d44341
AB
380 It's speed is comparable to SHA1 and there are no known attacks
381 against RIPEMD-160.
534fe2c1 382
b6d44341 383 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
6d8de74c 384 See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
534fe2c1
AKR
385
386config CRYPTO_RMD256
b6d44341 387 tristate "RIPEMD-256 digest algorithm"
d8a5e2e9 388 select CRYPTO_HASH
b6d44341
AB
389 help
390 RIPEMD-256 is an optional extension of RIPEMD-128 with a
391 256 bit hash. It is intended for applications that require
392 longer hash-results, without needing a larger security level
393 (than RIPEMD-128).
534fe2c1 394
b6d44341 395 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
6d8de74c 396 See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
534fe2c1
AKR
397
398config CRYPTO_RMD320
b6d44341 399 tristate "RIPEMD-320 digest algorithm"
3b8efb4c 400 select CRYPTO_HASH
b6d44341
AB
401 help
402 RIPEMD-320 is an optional extension of RIPEMD-160 with a
403 320 bit hash. It is intended for applications that require
404 longer hash-results, without needing a larger security level
405 (than RIPEMD-160).
534fe2c1 406
b6d44341 407 Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
6d8de74c 408 See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
82798f90 409
584fffc8
SS
410config CRYPTO_SHA1
411 tristate "SHA1 digest algorithm"
54ccb367 412 select CRYPTO_HASH
1da177e4 413 help
584fffc8 414 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
1da177e4 415
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SS
416config CRYPTO_SHA256
417 tristate "SHA224 and SHA256 digest algorithm"
50e109b5 418 select CRYPTO_HASH
1da177e4 419 help
584fffc8 420 SHA256 secure hash standard (DFIPS 180-2).
1da177e4 421
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SS
422 This version of SHA implements a 256 bit hash with 128 bits of
423 security against collision attacks.
2729bb42 424
b6d44341
AB
425 This code also includes SHA-224, a 224 bit hash with 112 bits
426 of security against collision attacks.
584fffc8
SS
427
428config CRYPTO_SHA512
429 tristate "SHA384 and SHA512 digest algorithms"
bd9d20db 430 select CRYPTO_HASH
b9f535ff 431 help
584fffc8 432 SHA512 secure hash standard (DFIPS 180-2).
b9f535ff 433
584fffc8
SS
434 This version of SHA implements a 512 bit hash with 256 bits of
435 security against collision attacks.
b9f535ff 436
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SS
437 This code also includes SHA-384, a 384 bit hash with 192 bits
438 of security against collision attacks.
b9f535ff 439
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SS
440config CRYPTO_TGR192
441 tristate "Tiger digest algorithms"
f63fbd3d 442 select CRYPTO_HASH
eaf44088 443 help
584fffc8 444 Tiger hash algorithm 192, 160 and 128-bit hashes
eaf44088 445
584fffc8
SS
446 Tiger is a hash function optimized for 64-bit processors while
447 still having decent performance on 32-bit processors.
448 Tiger was developed by Ross Anderson and Eli Biham.
eaf44088
JF
449
450 See also:
584fffc8 451 <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
eaf44088 452
584fffc8
SS
453config CRYPTO_WP512
454 tristate "Whirlpool digest algorithms"
4946510b 455 select CRYPTO_HASH
1da177e4 456 help
584fffc8 457 Whirlpool hash algorithm 512, 384 and 256-bit hashes
1da177e4 458
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SS
459 Whirlpool-512 is part of the NESSIE cryptographic primitives.
460 Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
1da177e4
LT
461
462 See also:
6d8de74c 463 <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html>
584fffc8 464
0e1227d3
HY
465config CRYPTO_GHASH_CLMUL_NI_INTEL
466 tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
3e02e5cb 467 depends on (X86 || UML_X86) && 64BIT
0e1227d3
HY
468 select CRYPTO_SHASH
469 select CRYPTO_CRYPTD
470 help
471 GHASH is message digest algorithm for GCM (Galois/Counter Mode).
472 The implementation is accelerated by CLMUL-NI of Intel.
473
584fffc8 474comment "Ciphers"
1da177e4
LT
475
476config CRYPTO_AES
477 tristate "AES cipher algorithms"
cce9e06d 478 select CRYPTO_ALGAPI
1da177e4 479 help
584fffc8 480 AES cipher algorithms (FIPS-197). AES uses the Rijndael
1da177e4
LT
481 algorithm.
482
483 Rijndael appears to be consistently a very good performer in
584fffc8
SS
484 both hardware and software across a wide range of computing
485 environments regardless of its use in feedback or non-feedback
486 modes. Its key setup time is excellent, and its key agility is
487 good. Rijndael's very low memory requirements make it very well
488 suited for restricted-space environments, in which it also
489 demonstrates excellent performance. Rijndael's operations are
490 among the easiest to defend against power and timing attacks.
1da177e4 491
584fffc8 492 The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4
LT
493
494 See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
495
496config CRYPTO_AES_586
497 tristate "AES cipher algorithms (i586)"
cce9e06d
HX
498 depends on (X86 || UML_X86) && !64BIT
499 select CRYPTO_ALGAPI
5157dea8 500 select CRYPTO_AES
1da177e4 501 help
584fffc8 502 AES cipher algorithms (FIPS-197). AES uses the Rijndael
1da177e4
LT
503 algorithm.
504
505 Rijndael appears to be consistently a very good performer in
584fffc8
SS
506 both hardware and software across a wide range of computing
507 environments regardless of its use in feedback or non-feedback
508 modes. Its key setup time is excellent, and its key agility is
509 good. Rijndael's very low memory requirements make it very well
510 suited for restricted-space environments, in which it also
511 demonstrates excellent performance. Rijndael's operations are
512 among the easiest to defend against power and timing attacks.
1da177e4 513
584fffc8 514 The AES specifies three key sizes: 128, 192 and 256 bits
a2a892a2
AS
515
516 See <http://csrc.nist.gov/encryption/aes/> for more information.
517
518config CRYPTO_AES_X86_64
519 tristate "AES cipher algorithms (x86_64)"
cce9e06d
HX
520 depends on (X86 || UML_X86) && 64BIT
521 select CRYPTO_ALGAPI
81190b32 522 select CRYPTO_AES
a2a892a2 523 help
584fffc8 524 AES cipher algorithms (FIPS-197). AES uses the Rijndael
a2a892a2
AS
525 algorithm.
526
527 Rijndael appears to be consistently a very good performer in
584fffc8
SS
528 both hardware and software across a wide range of computing
529 environments regardless of its use in feedback or non-feedback
530 modes. Its key setup time is excellent, and its key agility is
54b6a1bd
HY
531 good. Rijndael's very low memory requirements make it very well
532 suited for restricted-space environments, in which it also
533 demonstrates excellent performance. Rijndael's operations are
534 among the easiest to defend against power and timing attacks.
535
536 The AES specifies three key sizes: 128, 192 and 256 bits
537
538 See <http://csrc.nist.gov/encryption/aes/> for more information.
539
540config CRYPTO_AES_NI_INTEL
541 tristate "AES cipher algorithms (AES-NI)"
542 depends on (X86 || UML_X86) && 64BIT
543 select CRYPTO_AES_X86_64
544 select CRYPTO_CRYPTD
545 select CRYPTO_ALGAPI
2cf4ac8b 546 select CRYPTO_FPU
54b6a1bd
HY
547 help
548 Use Intel AES-NI instructions for AES algorithm.
549
550 AES cipher algorithms (FIPS-197). AES uses the Rijndael
551 algorithm.
552
553 Rijndael appears to be consistently a very good performer in
554 both hardware and software across a wide range of computing
555 environments regardless of its use in feedback or non-feedback
556 modes. Its key setup time is excellent, and its key agility is
584fffc8
SS
557 good. Rijndael's very low memory requirements make it very well
558 suited for restricted-space environments, in which it also
559 demonstrates excellent performance. Rijndael's operations are
560 among the easiest to defend against power and timing attacks.
a2a892a2 561
584fffc8 562 The AES specifies three key sizes: 128, 192 and 256 bits
1da177e4
LT
563
564 See <http://csrc.nist.gov/encryption/aes/> for more information.
565
2cf4ac8b
HY
566 In addition to AES cipher algorithm support, the
567 acceleration for some popular block cipher mode is supported
568 too, including ECB, CBC, CTR, LRW, PCBC, XTS.
569
584fffc8
SS
570config CRYPTO_ANUBIS
571 tristate "Anubis cipher algorithm"
572 select CRYPTO_ALGAPI
573 help
574 Anubis cipher algorithm.
575
576 Anubis is a variable key length cipher which can use keys from
577 128 bits to 320 bits in length. It was evaluated as a entrant
578 in the NESSIE competition.
579
580 See also:
6d8de74c
JM
581 <https://www.cosic.esat.kuleuven.be/nessie/reports/>
582 <http://www.larc.usp.br/~pbarreto/AnubisPage.html>
584fffc8
SS
583
584config CRYPTO_ARC4
585 tristate "ARC4 cipher algorithm"
586 select CRYPTO_ALGAPI
587 help
588 ARC4 cipher algorithm.
589
590 ARC4 is a stream cipher using keys ranging from 8 bits to 2048
591 bits in length. This algorithm is required for driver-based
592 WEP, but it should not be for other purposes because of the
593 weakness of the algorithm.
594
595config CRYPTO_BLOWFISH
596 tristate "Blowfish cipher algorithm"
597 select CRYPTO_ALGAPI
598 help
599 Blowfish cipher algorithm, by Bruce Schneier.
600
601 This is a variable key length cipher which can use keys from 32
602 bits to 448 bits in length. It's fast, simple and specifically
603 designed for use on "large microprocessors".
604
605 See also:
606 <http://www.schneier.com/blowfish.html>
607
608config CRYPTO_CAMELLIA
609 tristate "Camellia cipher algorithms"
610 depends on CRYPTO
611 select CRYPTO_ALGAPI
612 help
613 Camellia cipher algorithms module.
614
615 Camellia is a symmetric key block cipher developed jointly
616 at NTT and Mitsubishi Electric Corporation.
617
618 The Camellia specifies three key sizes: 128, 192 and 256 bits.
619
620 See also:
621 <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
622
1da177e4
LT
623config CRYPTO_CAST5
624 tristate "CAST5 (CAST-128) cipher algorithm"
cce9e06d 625 select CRYPTO_ALGAPI
1da177e4
LT
626 help
627 The CAST5 encryption algorithm (synonymous with CAST-128) is
628 described in RFC2144.
629
630config CRYPTO_CAST6
631 tristate "CAST6 (CAST-256) cipher algorithm"
cce9e06d 632 select CRYPTO_ALGAPI
1da177e4
LT
633 help
634 The CAST6 encryption algorithm (synonymous with CAST-256) is
635 described in RFC2612.
636
584fffc8
SS
637config CRYPTO_DES
638 tristate "DES and Triple DES EDE cipher algorithms"
cce9e06d 639 select CRYPTO_ALGAPI
1da177e4 640 help
584fffc8 641 DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
fb4f10ed 642
584fffc8
SS
643config CRYPTO_FCRYPT
644 tristate "FCrypt cipher algorithm"
cce9e06d 645 select CRYPTO_ALGAPI
584fffc8 646 select CRYPTO_BLKCIPHER
1da177e4 647 help
584fffc8 648 FCrypt algorithm used by RxRPC.
1da177e4
LT
649
650config CRYPTO_KHAZAD
651 tristate "Khazad cipher algorithm"
cce9e06d 652 select CRYPTO_ALGAPI
1da177e4
LT
653 help
654 Khazad cipher algorithm.
655
656 Khazad was a finalist in the initial NESSIE competition. It is
657 an algorithm optimized for 64-bit processors with good performance
658 on 32-bit processors. Khazad uses an 128 bit key size.
659
660 See also:
6d8de74c 661 <http://www.larc.usp.br/~pbarreto/KhazadPage.html>
1da177e4 662
2407d608
TSH
663config CRYPTO_SALSA20
664 tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
665 depends on EXPERIMENTAL
666 select CRYPTO_BLKCIPHER
667 help
668 Salsa20 stream cipher algorithm.
669
670 Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
671 Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
974e4b75
TSH
672
673 The Salsa20 stream cipher algorithm is designed by Daniel J.
674 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
675
676config CRYPTO_SALSA20_586
677 tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
678 depends on (X86 || UML_X86) && !64BIT
679 depends on EXPERIMENTAL
680 select CRYPTO_BLKCIPHER
974e4b75
TSH
681 help
682 Salsa20 stream cipher algorithm.
683
684 Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
685 Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
9a7dafbb
TSH
686
687 The Salsa20 stream cipher algorithm is designed by Daniel J.
688 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
689
690config CRYPTO_SALSA20_X86_64
691 tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
692 depends on (X86 || UML_X86) && 64BIT
693 depends on EXPERIMENTAL
694 select CRYPTO_BLKCIPHER
9a7dafbb
TSH
695 help
696 Salsa20 stream cipher algorithm.
697
698 Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
699 Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
2407d608
TSH
700
701 The Salsa20 stream cipher algorithm is designed by Daniel J.
702 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
1da177e4 703
584fffc8
SS
704config CRYPTO_SEED
705 tristate "SEED cipher algorithm"
cce9e06d 706 select CRYPTO_ALGAPI
1da177e4 707 help
584fffc8 708 SEED cipher algorithm (RFC4269).
1da177e4 709
584fffc8
SS
710 SEED is a 128-bit symmetric key block cipher that has been
711 developed by KISA (Korea Information Security Agency) as a
712 national standard encryption algorithm of the Republic of Korea.
713 It is a 16 round block cipher with the key size of 128 bit.
714
715 See also:
716 <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
717
718config CRYPTO_SERPENT
719 tristate "Serpent cipher algorithm"
cce9e06d 720 select CRYPTO_ALGAPI
1da177e4 721 help
584fffc8 722 Serpent cipher algorithm, by Anderson, Biham & Knudsen.
1da177e4 723
584fffc8
SS
724 Keys are allowed to be from 0 to 256 bits in length, in steps
725 of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
726 variant of Serpent for compatibility with old kerneli.org code.
727
728 See also:
729 <http://www.cl.cam.ac.uk/~rja14/serpent.html>
730
731config CRYPTO_TEA
732 tristate "TEA, XTEA and XETA cipher algorithms"
cce9e06d 733 select CRYPTO_ALGAPI
1da177e4 734 help
584fffc8 735 TEA cipher algorithm.
1da177e4 736
584fffc8
SS
737 Tiny Encryption Algorithm is a simple cipher that uses
738 many rounds for security. It is very fast and uses
739 little memory.
740
741 Xtendend Tiny Encryption Algorithm is a modification to
742 the TEA algorithm to address a potential key weakness
743 in the TEA algorithm.
744
745 Xtendend Encryption Tiny Algorithm is a mis-implementation
746 of the XTEA algorithm for compatibility purposes.
747
748config CRYPTO_TWOFISH
749 tristate "Twofish cipher algorithm"
04ac7db3 750 select CRYPTO_ALGAPI
584fffc8 751 select CRYPTO_TWOFISH_COMMON
04ac7db3 752 help
584fffc8 753 Twofish cipher algorithm.
04ac7db3 754
584fffc8
SS
755 Twofish was submitted as an AES (Advanced Encryption Standard)
756 candidate cipher by researchers at CounterPane Systems. It is a
757 16 round block cipher supporting key sizes of 128, 192, and 256
758 bits.
04ac7db3 759
584fffc8
SS
760 See also:
761 <http://www.schneier.com/twofish.html>
762
763config CRYPTO_TWOFISH_COMMON
764 tristate
765 help
766 Common parts of the Twofish cipher algorithm shared by the
767 generic c and the assembler implementations.
768
769config CRYPTO_TWOFISH_586
770 tristate "Twofish cipher algorithms (i586)"
771 depends on (X86 || UML_X86) && !64BIT
772 select CRYPTO_ALGAPI
773 select CRYPTO_TWOFISH_COMMON
774 help
775 Twofish cipher algorithm.
776
777 Twofish was submitted as an AES (Advanced Encryption Standard)
778 candidate cipher by researchers at CounterPane Systems. It is a
779 16 round block cipher supporting key sizes of 128, 192, and 256
780 bits.
04ac7db3
NT
781
782 See also:
584fffc8 783 <http://www.schneier.com/twofish.html>
04ac7db3 784
584fffc8
SS
785config CRYPTO_TWOFISH_X86_64
786 tristate "Twofish cipher algorithm (x86_64)"
787 depends on (X86 || UML_X86) && 64BIT
cce9e06d 788 select CRYPTO_ALGAPI
584fffc8 789 select CRYPTO_TWOFISH_COMMON
1da177e4 790 help
584fffc8 791 Twofish cipher algorithm (x86_64).
1da177e4 792
584fffc8
SS
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
801comment "Compression"
802
803config CRYPTO_DEFLATE
804 tristate "Deflate compression algorithm"
805 select CRYPTO_ALGAPI
806 select ZLIB_INFLATE
807 select ZLIB_DEFLATE
3c09f17c 808 help
584fffc8
SS
809 This is the Deflate algorithm (RFC1951), specified for use in
810 IPSec with the IPCOMP protocol (RFC3173, RFC2394).
811
812 You will most probably want this if using IPSec.
3c09f17c 813
bf68e65e
GU
814config CRYPTO_ZLIB
815 tristate "Zlib compression algorithm"
816 select CRYPTO_PCOMP
817 select ZLIB_INFLATE
818 select ZLIB_DEFLATE
819 select NLATTR
820 help
821 This is the zlib algorithm.
822
0b77abb3
ZS
823config CRYPTO_LZO
824 tristate "LZO compression algorithm"
825 select CRYPTO_ALGAPI
826 select LZO_COMPRESS
827 select LZO_DECOMPRESS
828 help
829 This is the LZO algorithm.
830
17f0f4a4
NH
831comment "Random Number Generation"
832
833config CRYPTO_ANSI_CPRNG
834 tristate "Pseudo Random Number Generation for Cryptographic modules"
4e4ed83b 835 default m
17f0f4a4
NH
836 select CRYPTO_AES
837 select CRYPTO_RNG
17f0f4a4
NH
838 help
839 This option enables the generic pseudo random number generator
840 for cryptographic modules. Uses the Algorithm specified in
7dd607e8
JK
841 ANSI X9.31 A.2.4. Note that this option must be enabled if
842 CRYPTO_FIPS is selected
17f0f4a4 843
1da177e4 844source "drivers/crypto/Kconfig"
1da177e4 845
cce9e06d 846endif # if CRYPTO