Commit | Line | Data |
---|---|---|
685784aa DW |
1 | # |
2 | # Generic algorithms support | |
3 | # | |
4 | config XOR_BLOCKS | |
5 | tristate | |
6 | ||
1da177e4 | 7 | # |
9bc89cd8 | 8 | # async_tx api: hardware offloaded memory transfer/transform support |
1da177e4 | 9 | # |
9bc89cd8 | 10 | source "crypto/async_tx/Kconfig" |
1da177e4 | 11 | |
9bc89cd8 DW |
12 | # |
13 | # Cryptographic API Configuration | |
14 | # | |
2e290f43 | 15 | menuconfig CRYPTO |
c3715cb9 | 16 | tristate "Cryptographic API" |
1da177e4 LT |
17 | help |
18 | This option provides the core Cryptographic API. | |
19 | ||
cce9e06d HX |
20 | if CRYPTO |
21 | ||
584fffc8 SS |
22 | comment "Crypto core or helper" |
23 | ||
ccb778e1 NH |
24 | config CRYPTO_FIPS |
25 | bool "FIPS 200 compliance" | |
26 | help | |
27 | This options enables the fips boot option which is | |
28 | required if you want to system to operate in a FIPS 200 | |
29 | certification. You should say no unless you know what | |
30 | this is. | |
31 | ||
cce9e06d HX |
32 | config CRYPTO_ALGAPI |
33 | tristate | |
6a0fcbb4 | 34 | select CRYPTO_ALGAPI2 |
cce9e06d HX |
35 | help |
36 | This option provides the API for cryptographic algorithms. | |
37 | ||
6a0fcbb4 HX |
38 | config CRYPTO_ALGAPI2 |
39 | tristate | |
40 | ||
1ae97820 HX |
41 | config CRYPTO_AEAD |
42 | tristate | |
6a0fcbb4 | 43 | select CRYPTO_AEAD2 |
1ae97820 HX |
44 | select CRYPTO_ALGAPI |
45 | ||
6a0fcbb4 HX |
46 | config CRYPTO_AEAD2 |
47 | tristate | |
48 | select CRYPTO_ALGAPI2 | |
49 | ||
5cde0af2 HX |
50 | config CRYPTO_BLKCIPHER |
51 | tristate | |
6a0fcbb4 | 52 | select CRYPTO_BLKCIPHER2 |
5cde0af2 | 53 | select CRYPTO_ALGAPI |
6a0fcbb4 HX |
54 | |
55 | config CRYPTO_BLKCIPHER2 | |
56 | tristate | |
57 | select CRYPTO_ALGAPI2 | |
58 | select CRYPTO_RNG2 | |
0a2e821d | 59 | select CRYPTO_WORKQUEUE |
5cde0af2 | 60 | |
055bcee3 HX |
61 | config CRYPTO_HASH |
62 | tristate | |
6a0fcbb4 | 63 | select CRYPTO_HASH2 |
055bcee3 HX |
64 | select CRYPTO_ALGAPI |
65 | ||
6a0fcbb4 HX |
66 | config CRYPTO_HASH2 |
67 | tristate | |
68 | select CRYPTO_ALGAPI2 | |
69 | ||
17f0f4a4 NH |
70 | config CRYPTO_RNG |
71 | tristate | |
6a0fcbb4 | 72 | select CRYPTO_RNG2 |
17f0f4a4 NH |
73 | select CRYPTO_ALGAPI |
74 | ||
6a0fcbb4 HX |
75 | config CRYPTO_RNG2 |
76 | tristate | |
77 | select CRYPTO_ALGAPI2 | |
78 | ||
a1d2f095 GU |
79 | config CRYPTO_PCOMP |
80 | tristate | |
81 | select CRYPTO_ALGAPI2 | |
82 | ||
2b8c19db HX |
83 | config CRYPTO_MANAGER |
84 | tristate "Cryptographic algorithm manager" | |
6a0fcbb4 | 85 | select CRYPTO_MANAGER2 |
2b8c19db HX |
86 | help |
87 | Create default cryptographic template instantiations such as | |
88 | cbc(aes). | |
89 | ||
6a0fcbb4 HX |
90 | config CRYPTO_MANAGER2 |
91 | def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) | |
92 | select CRYPTO_AEAD2 | |
93 | select CRYPTO_HASH2 | |
94 | select CRYPTO_BLKCIPHER2 | |
0c01aed5 | 95 | select CRYPTO_PCOMP |
6a0fcbb4 | 96 | |
584fffc8 SS |
97 | config CRYPTO_GF128MUL |
98 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
333b0d7e | 99 | depends on EXPERIMENTAL |
333b0d7e | 100 | help |
584fffc8 SS |
101 | Efficient table driven implementation of multiplications in the |
102 | field GF(2^128). This is needed by some cypher modes. This | |
103 | option will be selected automatically if you select such a | |
104 | cipher mode. Only select this option by hand if you expect to load | |
105 | an external module that requires these functions. | |
333b0d7e | 106 | |
1da177e4 LT |
107 | config CRYPTO_NULL |
108 | tristate "Null algorithms" | |
cce9e06d | 109 | select CRYPTO_ALGAPI |
c8620c25 | 110 | select CRYPTO_BLKCIPHER |
d35d2454 | 111 | select CRYPTO_HASH |
1da177e4 LT |
112 | help |
113 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
114 | ||
25c38d3f HY |
115 | config CRYPTO_WORKQUEUE |
116 | tristate | |
117 | ||
584fffc8 SS |
118 | config CRYPTO_CRYPTD |
119 | tristate "Software async crypto daemon" | |
120 | select CRYPTO_BLKCIPHER | |
b8a28251 | 121 | select CRYPTO_HASH |
584fffc8 | 122 | select CRYPTO_MANAGER |
254eff77 | 123 | select CRYPTO_WORKQUEUE |
1da177e4 | 124 | help |
584fffc8 SS |
125 | This is a generic software asynchronous crypto daemon that |
126 | converts an arbitrary synchronous software crypto algorithm | |
127 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 128 | |
584fffc8 SS |
129 | config CRYPTO_AUTHENC |
130 | tristate "Authenc support" | |
131 | select CRYPTO_AEAD | |
132 | select CRYPTO_BLKCIPHER | |
133 | select CRYPTO_MANAGER | |
134 | select CRYPTO_HASH | |
1da177e4 | 135 | help |
584fffc8 SS |
136 | Authenc: Combined mode wrapper for IPsec. |
137 | This is required for IPSec. | |
1da177e4 | 138 | |
584fffc8 SS |
139 | config CRYPTO_TEST |
140 | tristate "Testing module" | |
141 | depends on m | |
da7f033d | 142 | select CRYPTO_MANAGER |
1da177e4 | 143 | help |
584fffc8 | 144 | Quick & dirty crypto test module. |
1da177e4 | 145 | |
584fffc8 | 146 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 147 | |
584fffc8 SS |
148 | config CRYPTO_CCM |
149 | tristate "CCM support" | |
150 | select CRYPTO_CTR | |
151 | select CRYPTO_AEAD | |
1da177e4 | 152 | help |
584fffc8 | 153 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 154 | |
584fffc8 SS |
155 | config CRYPTO_GCM |
156 | tristate "GCM/GMAC support" | |
157 | select CRYPTO_CTR | |
158 | select CRYPTO_AEAD | |
159 | select CRYPTO_GF128MUL | |
1da177e4 | 160 | help |
584fffc8 SS |
161 | Support for Galois/Counter Mode (GCM) and Galois Message |
162 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 163 | |
584fffc8 SS |
164 | config CRYPTO_SEQIV |
165 | tristate "Sequence Number IV Generator" | |
166 | select CRYPTO_AEAD | |
167 | select CRYPTO_BLKCIPHER | |
a0f000ec | 168 | select CRYPTO_RNG |
1da177e4 | 169 | help |
584fffc8 SS |
170 | This IV generator generates an IV based on a sequence number by |
171 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 172 | |
584fffc8 | 173 | comment "Block modes" |
c494e070 | 174 | |
584fffc8 SS |
175 | config CRYPTO_CBC |
176 | tristate "CBC support" | |
db131ef9 | 177 | select CRYPTO_BLKCIPHER |
43518407 | 178 | select CRYPTO_MANAGER |
db131ef9 | 179 | help |
584fffc8 SS |
180 | CBC: Cipher Block Chaining mode |
181 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 182 | |
584fffc8 SS |
183 | config CRYPTO_CTR |
184 | tristate "CTR support" | |
db131ef9 | 185 | select CRYPTO_BLKCIPHER |
584fffc8 | 186 | select CRYPTO_SEQIV |
43518407 | 187 | select CRYPTO_MANAGER |
db131ef9 | 188 | help |
584fffc8 | 189 | CTR: Counter mode |
db131ef9 HX |
190 | This block cipher algorithm is required for IPSec. |
191 | ||
584fffc8 SS |
192 | config CRYPTO_CTS |
193 | tristate "CTS support" | |
194 | select CRYPTO_BLKCIPHER | |
195 | help | |
196 | CTS: Cipher Text Stealing | |
197 | This is the Cipher Text Stealing mode as described by | |
198 | Section 8 of rfc2040 and referenced by rfc3962. | |
199 | (rfc3962 includes errata information in its Appendix A) | |
200 | This mode is required for Kerberos gss mechanism support | |
201 | for AES encryption. | |
202 | ||
203 | config CRYPTO_ECB | |
204 | tristate "ECB support" | |
91652be5 DH |
205 | select CRYPTO_BLKCIPHER |
206 | select CRYPTO_MANAGER | |
91652be5 | 207 | help |
584fffc8 SS |
208 | ECB: Electronic CodeBook mode |
209 | This is the simplest block cipher algorithm. It simply encrypts | |
210 | the input block by block. | |
91652be5 | 211 | |
64470f1b RS |
212 | config CRYPTO_LRW |
213 | tristate "LRW support (EXPERIMENTAL)" | |
214 | depends on EXPERIMENTAL | |
215 | select CRYPTO_BLKCIPHER | |
216 | select CRYPTO_MANAGER | |
217 | select CRYPTO_GF128MUL | |
218 | help | |
219 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
220 | narrow block cipher mode for dm-crypt. Use it with cipher | |
221 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
222 | The first 128, 192 or 256 bits in the key are used for AES and the | |
223 | rest is used to tie each cipher block to its logical position. | |
224 | ||
584fffc8 SS |
225 | config CRYPTO_PCBC |
226 | tristate "PCBC support" | |
227 | select CRYPTO_BLKCIPHER | |
228 | select CRYPTO_MANAGER | |
229 | help | |
230 | PCBC: Propagating Cipher Block Chaining mode | |
231 | This block cipher algorithm is required for RxRPC. | |
232 | ||
f19f5111 RS |
233 | config CRYPTO_XTS |
234 | tristate "XTS support (EXPERIMENTAL)" | |
235 | depends on EXPERIMENTAL | |
236 | select CRYPTO_BLKCIPHER | |
237 | select CRYPTO_MANAGER | |
238 | select CRYPTO_GF128MUL | |
239 | help | |
240 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
241 | key size 256, 384 or 512 bits. This implementation currently | |
242 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
243 | ||
584fffc8 SS |
244 | comment "Hash modes" |
245 | ||
246 | config CRYPTO_HMAC | |
247 | tristate "HMAC support" | |
248 | select CRYPTO_HASH | |
23e353c8 | 249 | select CRYPTO_MANAGER |
23e353c8 | 250 | help |
584fffc8 SS |
251 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
252 | This is required for IPSec. | |
23e353c8 | 253 | |
584fffc8 SS |
254 | config CRYPTO_XCBC |
255 | tristate "XCBC support" | |
256 | depends on EXPERIMENTAL | |
257 | select CRYPTO_HASH | |
258 | select CRYPTO_MANAGER | |
76cb9521 | 259 | help |
584fffc8 SS |
260 | XCBC: Keyed-Hashing with encryption algorithm |
261 | http://www.ietf.org/rfc/rfc3566.txt | |
262 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
263 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 264 | |
584fffc8 | 265 | comment "Digest" |
28db8e3e | 266 | |
584fffc8 SS |
267 | config CRYPTO_CRC32C |
268 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 269 | select CRYPTO_HASH |
4a49b499 | 270 | help |
584fffc8 SS |
271 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
272 | by iSCSI for header and data digests and by others. | |
69c35efc | 273 | See Castagnoli93. Module will be crc32c. |
4a49b499 | 274 | |
8cb51ba8 AZ |
275 | config CRYPTO_CRC32C_INTEL |
276 | tristate "CRC32c INTEL hardware acceleration" | |
277 | depends on X86 | |
278 | select CRYPTO_HASH | |
279 | help | |
280 | In Intel processor with SSE4.2 supported, the processor will | |
281 | support CRC32C implementation using hardware accelerated CRC32 | |
282 | instruction. This option will create 'crc32c-intel' module, | |
283 | which will enable any routine to use the CRC32 instruction to | |
284 | gain performance compared with software implementation. | |
285 | Module will be crc32c-intel. | |
286 | ||
584fffc8 SS |
287 | config CRYPTO_MD4 |
288 | tristate "MD4 digest algorithm" | |
808a1763 | 289 | select CRYPTO_HASH |
124b53d0 | 290 | help |
584fffc8 | 291 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 292 | |
584fffc8 SS |
293 | config CRYPTO_MD5 |
294 | tristate "MD5 digest algorithm" | |
14b75ba7 | 295 | select CRYPTO_HASH |
1da177e4 | 296 | help |
584fffc8 | 297 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 298 | |
584fffc8 SS |
299 | config CRYPTO_MICHAEL_MIC |
300 | tristate "Michael MIC keyed digest algorithm" | |
19e2bf14 | 301 | select CRYPTO_HASH |
90831639 | 302 | help |
584fffc8 SS |
303 | Michael MIC is used for message integrity protection in TKIP |
304 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
305 | should not be used for other purposes because of the weakness | |
306 | of the algorithm. | |
90831639 | 307 | |
82798f90 | 308 | config CRYPTO_RMD128 |
b6d44341 | 309 | tristate "RIPEMD-128 digest algorithm" |
7c4468bc | 310 | select CRYPTO_HASH |
b6d44341 AB |
311 | help |
312 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 313 | |
b6d44341 AB |
314 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
315 | to be used as a secure replacement for RIPEMD. For other use cases | |
316 | RIPEMD-160 should be used. | |
82798f90 | 317 | |
b6d44341 AB |
318 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
319 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 AKR |
320 | |
321 | config CRYPTO_RMD160 | |
b6d44341 | 322 | tristate "RIPEMD-160 digest algorithm" |
e5835fba | 323 | select CRYPTO_HASH |
b6d44341 AB |
324 | help |
325 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 326 | |
b6d44341 AB |
327 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
328 | to be used as a secure replacement for the 128-bit hash functions | |
329 | MD4, MD5 and it's predecessor RIPEMD | |
330 | (not to be confused with RIPEMD-128). | |
82798f90 | 331 | |
b6d44341 AB |
332 | It's speed is comparable to SHA1 and there are no known attacks |
333 | against RIPEMD-160. | |
534fe2c1 | 334 | |
b6d44341 AB |
335 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
336 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
337 | |
338 | config CRYPTO_RMD256 | |
b6d44341 | 339 | tristate "RIPEMD-256 digest algorithm" |
d8a5e2e9 | 340 | select CRYPTO_HASH |
b6d44341 AB |
341 | help |
342 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
343 | 256 bit hash. It is intended for applications that require | |
344 | longer hash-results, without needing a larger security level | |
345 | (than RIPEMD-128). | |
534fe2c1 | 346 | |
b6d44341 AB |
347 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
348 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
349 | |
350 | config CRYPTO_RMD320 | |
b6d44341 | 351 | tristate "RIPEMD-320 digest algorithm" |
3b8efb4c | 352 | select CRYPTO_HASH |
b6d44341 AB |
353 | help |
354 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
355 | 320 bit hash. It is intended for applications that require | |
356 | longer hash-results, without needing a larger security level | |
357 | (than RIPEMD-160). | |
534fe2c1 | 358 | |
b6d44341 AB |
359 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
360 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 | 361 | |
584fffc8 SS |
362 | config CRYPTO_SHA1 |
363 | tristate "SHA1 digest algorithm" | |
54ccb367 | 364 | select CRYPTO_HASH |
1da177e4 | 365 | help |
584fffc8 | 366 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 367 | |
584fffc8 SS |
368 | config CRYPTO_SHA256 |
369 | tristate "SHA224 and SHA256 digest algorithm" | |
50e109b5 | 370 | select CRYPTO_HASH |
1da177e4 | 371 | help |
584fffc8 | 372 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 373 | |
584fffc8 SS |
374 | This version of SHA implements a 256 bit hash with 128 bits of |
375 | security against collision attacks. | |
2729bb42 | 376 | |
b6d44341 AB |
377 | This code also includes SHA-224, a 224 bit hash with 112 bits |
378 | of security against collision attacks. | |
584fffc8 SS |
379 | |
380 | config CRYPTO_SHA512 | |
381 | tristate "SHA384 and SHA512 digest algorithms" | |
bd9d20db | 382 | select CRYPTO_HASH |
b9f535ff | 383 | help |
584fffc8 | 384 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 385 | |
584fffc8 SS |
386 | This version of SHA implements a 512 bit hash with 256 bits of |
387 | security against collision attacks. | |
b9f535ff | 388 | |
584fffc8 SS |
389 | This code also includes SHA-384, a 384 bit hash with 192 bits |
390 | of security against collision attacks. | |
b9f535ff | 391 | |
584fffc8 SS |
392 | config CRYPTO_TGR192 |
393 | tristate "Tiger digest algorithms" | |
f63fbd3d | 394 | select CRYPTO_HASH |
eaf44088 | 395 | help |
584fffc8 | 396 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 397 | |
584fffc8 SS |
398 | Tiger is a hash function optimized for 64-bit processors while |
399 | still having decent performance on 32-bit processors. | |
400 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
401 | |
402 | See also: | |
584fffc8 | 403 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 404 | |
584fffc8 SS |
405 | config CRYPTO_WP512 |
406 | tristate "Whirlpool digest algorithms" | |
4946510b | 407 | select CRYPTO_HASH |
1da177e4 | 408 | help |
584fffc8 | 409 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 410 | |
584fffc8 SS |
411 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
412 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
413 | |
414 | See also: | |
584fffc8 SS |
415 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> |
416 | ||
417 | comment "Ciphers" | |
1da177e4 LT |
418 | |
419 | config CRYPTO_AES | |
420 | tristate "AES cipher algorithms" | |
cce9e06d | 421 | select CRYPTO_ALGAPI |
1da177e4 | 422 | help |
584fffc8 | 423 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
424 | algorithm. |
425 | ||
426 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
427 | both hardware and software across a wide range of computing |
428 | environments regardless of its use in feedback or non-feedback | |
429 | modes. Its key setup time is excellent, and its key agility is | |
430 | good. Rijndael's very low memory requirements make it very well | |
431 | suited for restricted-space environments, in which it also | |
432 | demonstrates excellent performance. Rijndael's operations are | |
433 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 434 | |
584fffc8 | 435 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
436 | |
437 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
438 | ||
439 | config CRYPTO_AES_586 | |
440 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
441 | depends on (X86 || UML_X86) && !64BIT |
442 | select CRYPTO_ALGAPI | |
5157dea8 | 443 | select CRYPTO_AES |
1da177e4 | 444 | help |
584fffc8 | 445 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
446 | algorithm. |
447 | ||
448 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
449 | both hardware and software across a wide range of computing |
450 | environments regardless of its use in feedback or non-feedback | |
451 | modes. Its key setup time is excellent, and its key agility is | |
452 | good. Rijndael's very low memory requirements make it very well | |
453 | suited for restricted-space environments, in which it also | |
454 | demonstrates excellent performance. Rijndael's operations are | |
455 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 456 | |
584fffc8 | 457 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
458 | |
459 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
460 | ||
461 | config CRYPTO_AES_X86_64 | |
462 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
463 | depends on (X86 || UML_X86) && 64BIT |
464 | select CRYPTO_ALGAPI | |
81190b32 | 465 | select CRYPTO_AES |
a2a892a2 | 466 | help |
584fffc8 | 467 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
468 | algorithm. |
469 | ||
470 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
471 | both hardware and software across a wide range of computing |
472 | environments regardless of its use in feedback or non-feedback | |
473 | modes. Its key setup time is excellent, and its key agility is | |
54b6a1bd HY |
474 | good. Rijndael's very low memory requirements make it very well |
475 | suited for restricted-space environments, in which it also | |
476 | demonstrates excellent performance. Rijndael's operations are | |
477 | among the easiest to defend against power and timing attacks. | |
478 | ||
479 | The AES specifies three key sizes: 128, 192 and 256 bits | |
480 | ||
481 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
482 | ||
483 | config CRYPTO_AES_NI_INTEL | |
484 | tristate "AES cipher algorithms (AES-NI)" | |
485 | depends on (X86 || UML_X86) && 64BIT | |
486 | select CRYPTO_AES_X86_64 | |
487 | select CRYPTO_CRYPTD | |
488 | select CRYPTO_ALGAPI | |
489 | help | |
490 | Use Intel AES-NI instructions for AES algorithm. | |
491 | ||
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 | |
584fffc8 SS |
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. | |
a2a892a2 | 503 | |
584fffc8 | 504 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
505 | |
506 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
507 | ||
584fffc8 SS |
508 | config CRYPTO_ANUBIS |
509 | tristate "Anubis cipher algorithm" | |
510 | select CRYPTO_ALGAPI | |
511 | help | |
512 | Anubis cipher algorithm. | |
513 | ||
514 | Anubis is a variable key length cipher which can use keys from | |
515 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
516 | in the NESSIE competition. | |
517 | ||
518 | See also: | |
519 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
520 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
521 | ||
522 | config CRYPTO_ARC4 | |
523 | tristate "ARC4 cipher algorithm" | |
524 | select CRYPTO_ALGAPI | |
525 | help | |
526 | ARC4 cipher algorithm. | |
527 | ||
528 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
529 | bits in length. This algorithm is required for driver-based | |
530 | WEP, but it should not be for other purposes because of the | |
531 | weakness of the algorithm. | |
532 | ||
533 | config CRYPTO_BLOWFISH | |
534 | tristate "Blowfish cipher algorithm" | |
535 | select CRYPTO_ALGAPI | |
536 | help | |
537 | Blowfish cipher algorithm, by Bruce Schneier. | |
538 | ||
539 | This is a variable key length cipher which can use keys from 32 | |
540 | bits to 448 bits in length. It's fast, simple and specifically | |
541 | designed for use on "large microprocessors". | |
542 | ||
543 | See also: | |
544 | <http://www.schneier.com/blowfish.html> | |
545 | ||
546 | config CRYPTO_CAMELLIA | |
547 | tristate "Camellia cipher algorithms" | |
548 | depends on CRYPTO | |
549 | select CRYPTO_ALGAPI | |
550 | help | |
551 | Camellia cipher algorithms module. | |
552 | ||
553 | Camellia is a symmetric key block cipher developed jointly | |
554 | at NTT and Mitsubishi Electric Corporation. | |
555 | ||
556 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
557 | ||
558 | See also: | |
559 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
560 | ||
1da177e4 LT |
561 | config CRYPTO_CAST5 |
562 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 563 | select CRYPTO_ALGAPI |
1da177e4 LT |
564 | help |
565 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
566 | described in RFC2144. | |
567 | ||
568 | config CRYPTO_CAST6 | |
569 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 570 | select CRYPTO_ALGAPI |
1da177e4 LT |
571 | help |
572 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
573 | described in RFC2612. | |
574 | ||
584fffc8 SS |
575 | config CRYPTO_DES |
576 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 577 | select CRYPTO_ALGAPI |
1da177e4 | 578 | help |
584fffc8 | 579 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 580 | |
584fffc8 SS |
581 | config CRYPTO_FCRYPT |
582 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 583 | select CRYPTO_ALGAPI |
584fffc8 | 584 | select CRYPTO_BLKCIPHER |
1da177e4 | 585 | help |
584fffc8 | 586 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
587 | |
588 | config CRYPTO_KHAZAD | |
589 | tristate "Khazad cipher algorithm" | |
cce9e06d | 590 | select CRYPTO_ALGAPI |
1da177e4 LT |
591 | help |
592 | Khazad cipher algorithm. | |
593 | ||
594 | Khazad was a finalist in the initial NESSIE competition. It is | |
595 | an algorithm optimized for 64-bit processors with good performance | |
596 | on 32-bit processors. Khazad uses an 128 bit key size. | |
597 | ||
598 | See also: | |
599 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
600 | ||
2407d608 TSH |
601 | config CRYPTO_SALSA20 |
602 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
603 | depends on EXPERIMENTAL | |
604 | select CRYPTO_BLKCIPHER | |
605 | help | |
606 | Salsa20 stream cipher algorithm. | |
607 | ||
608 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
609 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
610 | |
611 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
612 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
613 | ||
614 | config CRYPTO_SALSA20_586 | |
615 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
616 | depends on (X86 || UML_X86) && !64BIT | |
617 | depends on EXPERIMENTAL | |
618 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
619 | help |
620 | Salsa20 stream cipher algorithm. | |
621 | ||
622 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
623 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
624 | |
625 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
626 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
627 | ||
628 | config CRYPTO_SALSA20_X86_64 | |
629 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
630 | depends on (X86 || UML_X86) && 64BIT | |
631 | depends on EXPERIMENTAL | |
632 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
633 | help |
634 | Salsa20 stream cipher algorithm. | |
635 | ||
636 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
637 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
638 | |
639 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
640 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 641 | |
584fffc8 SS |
642 | config CRYPTO_SEED |
643 | tristate "SEED cipher algorithm" | |
cce9e06d | 644 | select CRYPTO_ALGAPI |
1da177e4 | 645 | help |
584fffc8 | 646 | SEED cipher algorithm (RFC4269). |
1da177e4 | 647 | |
584fffc8 SS |
648 | SEED is a 128-bit symmetric key block cipher that has been |
649 | developed by KISA (Korea Information Security Agency) as a | |
650 | national standard encryption algorithm of the Republic of Korea. | |
651 | It is a 16 round block cipher with the key size of 128 bit. | |
652 | ||
653 | See also: | |
654 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
655 | ||
656 | config CRYPTO_SERPENT | |
657 | tristate "Serpent cipher algorithm" | |
cce9e06d | 658 | select CRYPTO_ALGAPI |
1da177e4 | 659 | help |
584fffc8 | 660 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 661 | |
584fffc8 SS |
662 | Keys are allowed to be from 0 to 256 bits in length, in steps |
663 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
664 | variant of Serpent for compatibility with old kerneli.org code. | |
665 | ||
666 | See also: | |
667 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
668 | ||
669 | config CRYPTO_TEA | |
670 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 671 | select CRYPTO_ALGAPI |
1da177e4 | 672 | help |
584fffc8 | 673 | TEA cipher algorithm. |
1da177e4 | 674 | |
584fffc8 SS |
675 | Tiny Encryption Algorithm is a simple cipher that uses |
676 | many rounds for security. It is very fast and uses | |
677 | little memory. | |
678 | ||
679 | Xtendend Tiny Encryption Algorithm is a modification to | |
680 | the TEA algorithm to address a potential key weakness | |
681 | in the TEA algorithm. | |
682 | ||
683 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
684 | of the XTEA algorithm for compatibility purposes. | |
685 | ||
686 | config CRYPTO_TWOFISH | |
687 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 688 | select CRYPTO_ALGAPI |
584fffc8 | 689 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 690 | help |
584fffc8 | 691 | Twofish cipher algorithm. |
04ac7db3 | 692 | |
584fffc8 SS |
693 | Twofish was submitted as an AES (Advanced Encryption Standard) |
694 | candidate cipher by researchers at CounterPane Systems. It is a | |
695 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
696 | bits. | |
04ac7db3 | 697 | |
584fffc8 SS |
698 | See also: |
699 | <http://www.schneier.com/twofish.html> | |
700 | ||
701 | config CRYPTO_TWOFISH_COMMON | |
702 | tristate | |
703 | help | |
704 | Common parts of the Twofish cipher algorithm shared by the | |
705 | generic c and the assembler implementations. | |
706 | ||
707 | config CRYPTO_TWOFISH_586 | |
708 | tristate "Twofish cipher algorithms (i586)" | |
709 | depends on (X86 || UML_X86) && !64BIT | |
710 | select CRYPTO_ALGAPI | |
711 | select CRYPTO_TWOFISH_COMMON | |
712 | help | |
713 | Twofish cipher algorithm. | |
714 | ||
715 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
716 | candidate cipher by researchers at CounterPane Systems. It is a | |
717 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
718 | bits. | |
04ac7db3 NT |
719 | |
720 | See also: | |
584fffc8 | 721 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 722 | |
584fffc8 SS |
723 | config CRYPTO_TWOFISH_X86_64 |
724 | tristate "Twofish cipher algorithm (x86_64)" | |
725 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 726 | select CRYPTO_ALGAPI |
584fffc8 | 727 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 728 | help |
584fffc8 | 729 | Twofish cipher algorithm (x86_64). |
1da177e4 | 730 | |
584fffc8 SS |
731 | Twofish was submitted as an AES (Advanced Encryption Standard) |
732 | candidate cipher by researchers at CounterPane Systems. It is a | |
733 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
734 | bits. | |
735 | ||
736 | See also: | |
737 | <http://www.schneier.com/twofish.html> | |
738 | ||
739 | comment "Compression" | |
740 | ||
741 | config CRYPTO_DEFLATE | |
742 | tristate "Deflate compression algorithm" | |
743 | select CRYPTO_ALGAPI | |
744 | select ZLIB_INFLATE | |
745 | select ZLIB_DEFLATE | |
3c09f17c | 746 | help |
584fffc8 SS |
747 | This is the Deflate algorithm (RFC1951), specified for use in |
748 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
749 | ||
750 | You will most probably want this if using IPSec. | |
3c09f17c | 751 | |
bf68e65e GU |
752 | config CRYPTO_ZLIB |
753 | tristate "Zlib compression algorithm" | |
754 | select CRYPTO_PCOMP | |
755 | select ZLIB_INFLATE | |
756 | select ZLIB_DEFLATE | |
757 | select NLATTR | |
758 | help | |
759 | This is the zlib algorithm. | |
760 | ||
0b77abb3 ZS |
761 | config CRYPTO_LZO |
762 | tristate "LZO compression algorithm" | |
763 | select CRYPTO_ALGAPI | |
764 | select LZO_COMPRESS | |
765 | select LZO_DECOMPRESS | |
766 | help | |
767 | This is the LZO algorithm. | |
768 | ||
17f0f4a4 NH |
769 | comment "Random Number Generation" |
770 | ||
771 | config CRYPTO_ANSI_CPRNG | |
772 | tristate "Pseudo Random Number Generation for Cryptographic modules" | |
773 | select CRYPTO_AES | |
774 | select CRYPTO_RNG | |
775 | select CRYPTO_FIPS | |
776 | help | |
777 | This option enables the generic pseudo random number generator | |
778 | for cryptographic modules. Uses the Algorithm specified in | |
779 | ANSI X9.31 A.2.4 | |
780 | ||
1da177e4 | 781 | source "drivers/crypto/Kconfig" |
1da177e4 | 782 | |
cce9e06d | 783 | endif # if CRYPTO |