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Commit | Line | Data |
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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 | |
9382d97a | 159 | select CRYPTO_GHASH |
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 | ||
150c7e85 HY |
244 | config CRYPTO_FPU |
245 | tristate | |
246 | select CRYPTO_BLKCIPHER | |
247 | select CRYPTO_MANAGER | |
248 | ||
584fffc8 SS |
249 | comment "Hash modes" |
250 | ||
251 | config CRYPTO_HMAC | |
252 | tristate "HMAC support" | |
253 | select CRYPTO_HASH | |
23e353c8 | 254 | select CRYPTO_MANAGER |
23e353c8 | 255 | help |
584fffc8 SS |
256 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
257 | This is required for IPSec. | |
23e353c8 | 258 | |
584fffc8 SS |
259 | config CRYPTO_XCBC |
260 | tristate "XCBC support" | |
261 | depends on EXPERIMENTAL | |
262 | select CRYPTO_HASH | |
263 | select CRYPTO_MANAGER | |
76cb9521 | 264 | help |
584fffc8 SS |
265 | XCBC: Keyed-Hashing with encryption algorithm |
266 | http://www.ietf.org/rfc/rfc3566.txt | |
267 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
268 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 269 | |
584fffc8 | 270 | comment "Digest" |
28db8e3e | 271 | |
584fffc8 SS |
272 | config CRYPTO_CRC32C |
273 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 274 | select CRYPTO_HASH |
4a49b499 | 275 | help |
584fffc8 SS |
276 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
277 | by iSCSI for header and data digests and by others. | |
69c35efc | 278 | See Castagnoli93. Module will be crc32c. |
4a49b499 | 279 | |
8cb51ba8 AZ |
280 | config CRYPTO_CRC32C_INTEL |
281 | tristate "CRC32c INTEL hardware acceleration" | |
282 | depends on X86 | |
283 | select CRYPTO_HASH | |
284 | help | |
285 | In Intel processor with SSE4.2 supported, the processor will | |
286 | support CRC32C implementation using hardware accelerated CRC32 | |
287 | instruction. This option will create 'crc32c-intel' module, | |
288 | which will enable any routine to use the CRC32 instruction to | |
289 | gain performance compared with software implementation. | |
290 | Module will be crc32c-intel. | |
291 | ||
2cdc6899 HY |
292 | config CRYPTO_GHASH |
293 | tristate "GHASH digest algorithm" | |
294 | select CRYPTO_SHASH | |
295 | select CRYPTO_GF128MUL | |
296 | help | |
297 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
298 | ||
584fffc8 SS |
299 | config CRYPTO_MD4 |
300 | tristate "MD4 digest algorithm" | |
808a1763 | 301 | select CRYPTO_HASH |
124b53d0 | 302 | help |
584fffc8 | 303 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 304 | |
584fffc8 SS |
305 | config CRYPTO_MD5 |
306 | tristate "MD5 digest algorithm" | |
14b75ba7 | 307 | select CRYPTO_HASH |
1da177e4 | 308 | help |
584fffc8 | 309 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 310 | |
584fffc8 SS |
311 | config CRYPTO_MICHAEL_MIC |
312 | tristate "Michael MIC keyed digest algorithm" | |
19e2bf14 | 313 | select CRYPTO_HASH |
90831639 | 314 | help |
584fffc8 SS |
315 | Michael MIC is used for message integrity protection in TKIP |
316 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
317 | should not be used for other purposes because of the weakness | |
318 | of the algorithm. | |
90831639 | 319 | |
82798f90 | 320 | config CRYPTO_RMD128 |
b6d44341 | 321 | tristate "RIPEMD-128 digest algorithm" |
7c4468bc | 322 | select CRYPTO_HASH |
b6d44341 AB |
323 | help |
324 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 325 | |
b6d44341 AB |
326 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
327 | to be used as a secure replacement for RIPEMD. For other use cases | |
328 | RIPEMD-160 should be used. | |
82798f90 | 329 | |
b6d44341 AB |
330 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
331 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 AKR |
332 | |
333 | config CRYPTO_RMD160 | |
b6d44341 | 334 | tristate "RIPEMD-160 digest algorithm" |
e5835fba | 335 | select CRYPTO_HASH |
b6d44341 AB |
336 | help |
337 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 338 | |
b6d44341 AB |
339 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
340 | to be used as a secure replacement for the 128-bit hash functions | |
341 | MD4, MD5 and it's predecessor RIPEMD | |
342 | (not to be confused with RIPEMD-128). | |
82798f90 | 343 | |
b6d44341 AB |
344 | It's speed is comparable to SHA1 and there are no known attacks |
345 | against RIPEMD-160. | |
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_RMD256 | |
b6d44341 | 351 | tristate "RIPEMD-256 digest algorithm" |
d8a5e2e9 | 352 | select CRYPTO_HASH |
b6d44341 AB |
353 | help |
354 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
355 | 256 bit hash. It is intended for applications that require | |
356 | longer hash-results, without needing a larger security level | |
357 | (than RIPEMD-128). | |
534fe2c1 | 358 | |
b6d44341 AB |
359 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
360 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
361 | |
362 | config CRYPTO_RMD320 | |
b6d44341 | 363 | tristate "RIPEMD-320 digest algorithm" |
3b8efb4c | 364 | select CRYPTO_HASH |
b6d44341 AB |
365 | help |
366 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
367 | 320 bit hash. It is intended for applications that require | |
368 | longer hash-results, without needing a larger security level | |
369 | (than RIPEMD-160). | |
534fe2c1 | 370 | |
b6d44341 AB |
371 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
372 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 | 373 | |
584fffc8 SS |
374 | config CRYPTO_SHA1 |
375 | tristate "SHA1 digest algorithm" | |
54ccb367 | 376 | select CRYPTO_HASH |
1da177e4 | 377 | help |
584fffc8 | 378 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 379 | |
584fffc8 SS |
380 | config CRYPTO_SHA256 |
381 | tristate "SHA224 and SHA256 digest algorithm" | |
50e109b5 | 382 | select CRYPTO_HASH |
1da177e4 | 383 | help |
584fffc8 | 384 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 385 | |
584fffc8 SS |
386 | This version of SHA implements a 256 bit hash with 128 bits of |
387 | security against collision attacks. | |
2729bb42 | 388 | |
b6d44341 AB |
389 | This code also includes SHA-224, a 224 bit hash with 112 bits |
390 | of security against collision attacks. | |
584fffc8 SS |
391 | |
392 | config CRYPTO_SHA512 | |
393 | tristate "SHA384 and SHA512 digest algorithms" | |
bd9d20db | 394 | select CRYPTO_HASH |
b9f535ff | 395 | help |
584fffc8 | 396 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 397 | |
584fffc8 SS |
398 | This version of SHA implements a 512 bit hash with 256 bits of |
399 | security against collision attacks. | |
b9f535ff | 400 | |
584fffc8 SS |
401 | This code also includes SHA-384, a 384 bit hash with 192 bits |
402 | of security against collision attacks. | |
b9f535ff | 403 | |
584fffc8 SS |
404 | config CRYPTO_TGR192 |
405 | tristate "Tiger digest algorithms" | |
f63fbd3d | 406 | select CRYPTO_HASH |
eaf44088 | 407 | help |
584fffc8 | 408 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 409 | |
584fffc8 SS |
410 | Tiger is a hash function optimized for 64-bit processors while |
411 | still having decent performance on 32-bit processors. | |
412 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
413 | |
414 | See also: | |
584fffc8 | 415 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 416 | |
584fffc8 SS |
417 | config CRYPTO_WP512 |
418 | tristate "Whirlpool digest algorithms" | |
4946510b | 419 | select CRYPTO_HASH |
1da177e4 | 420 | help |
584fffc8 | 421 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 422 | |
584fffc8 SS |
423 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
424 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
425 | |
426 | See also: | |
584fffc8 SS |
427 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> |
428 | ||
429 | comment "Ciphers" | |
1da177e4 LT |
430 | |
431 | config CRYPTO_AES | |
432 | tristate "AES cipher algorithms" | |
cce9e06d | 433 | select CRYPTO_ALGAPI |
1da177e4 | 434 | help |
584fffc8 | 435 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
436 | algorithm. |
437 | ||
438 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
439 | both hardware and software across a wide range of computing |
440 | environments regardless of its use in feedback or non-feedback | |
441 | modes. Its key setup time is excellent, and its key agility is | |
442 | good. Rijndael's very low memory requirements make it very well | |
443 | suited for restricted-space environments, in which it also | |
444 | demonstrates excellent performance. Rijndael's operations are | |
445 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 446 | |
584fffc8 | 447 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
448 | |
449 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
450 | ||
451 | config CRYPTO_AES_586 | |
452 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
453 | depends on (X86 || UML_X86) && !64BIT |
454 | select CRYPTO_ALGAPI | |
5157dea8 | 455 | select CRYPTO_AES |
1da177e4 | 456 | help |
584fffc8 | 457 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
458 | algorithm. |
459 | ||
460 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
461 | both hardware and software across a wide range of computing |
462 | environments regardless of its use in feedback or non-feedback | |
463 | modes. Its key setup time is excellent, and its key agility is | |
464 | good. Rijndael's very low memory requirements make it very well | |
465 | suited for restricted-space environments, in which it also | |
466 | demonstrates excellent performance. Rijndael's operations are | |
467 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 468 | |
584fffc8 | 469 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
470 | |
471 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
472 | ||
473 | config CRYPTO_AES_X86_64 | |
474 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
475 | depends on (X86 || UML_X86) && 64BIT |
476 | select CRYPTO_ALGAPI | |
81190b32 | 477 | select CRYPTO_AES |
a2a892a2 | 478 | help |
584fffc8 | 479 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
480 | algorithm. |
481 | ||
482 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
483 | both hardware and software across a wide range of computing |
484 | environments regardless of its use in feedback or non-feedback | |
485 | modes. Its key setup time is excellent, and its key agility is | |
54b6a1bd HY |
486 | good. Rijndael's very low memory requirements make it very well |
487 | suited for restricted-space environments, in which it also | |
488 | demonstrates excellent performance. Rijndael's operations are | |
489 | among the easiest to defend against power and timing attacks. | |
490 | ||
491 | The AES specifies three key sizes: 128, 192 and 256 bits | |
492 | ||
493 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
494 | ||
495 | config CRYPTO_AES_NI_INTEL | |
496 | tristate "AES cipher algorithms (AES-NI)" | |
497 | depends on (X86 || UML_X86) && 64BIT | |
498 | select CRYPTO_AES_X86_64 | |
499 | select CRYPTO_CRYPTD | |
500 | select CRYPTO_ALGAPI | |
2cf4ac8b | 501 | select CRYPTO_FPU |
54b6a1bd HY |
502 | help |
503 | Use Intel AES-NI instructions for AES algorithm. | |
504 | ||
505 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
506 | algorithm. | |
507 | ||
508 | Rijndael appears to be consistently a very good performer in | |
509 | both hardware and software across a wide range of computing | |
510 | environments regardless of its use in feedback or non-feedback | |
511 | modes. Its key setup time is excellent, and its key agility is | |
584fffc8 SS |
512 | good. Rijndael's very low memory requirements make it very well |
513 | suited for restricted-space environments, in which it also | |
514 | demonstrates excellent performance. Rijndael's operations are | |
515 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 516 | |
584fffc8 | 517 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
518 | |
519 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
520 | ||
2cf4ac8b HY |
521 | In addition to AES cipher algorithm support, the |
522 | acceleration for some popular block cipher mode is supported | |
523 | too, including ECB, CBC, CTR, LRW, PCBC, XTS. | |
524 | ||
584fffc8 SS |
525 | config CRYPTO_ANUBIS |
526 | tristate "Anubis cipher algorithm" | |
527 | select CRYPTO_ALGAPI | |
528 | help | |
529 | Anubis cipher algorithm. | |
530 | ||
531 | Anubis is a variable key length cipher which can use keys from | |
532 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
533 | in the NESSIE competition. | |
534 | ||
535 | See also: | |
536 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
537 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
538 | ||
539 | config CRYPTO_ARC4 | |
540 | tristate "ARC4 cipher algorithm" | |
541 | select CRYPTO_ALGAPI | |
542 | help | |
543 | ARC4 cipher algorithm. | |
544 | ||
545 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
546 | bits in length. This algorithm is required for driver-based | |
547 | WEP, but it should not be for other purposes because of the | |
548 | weakness of the algorithm. | |
549 | ||
550 | config CRYPTO_BLOWFISH | |
551 | tristate "Blowfish cipher algorithm" | |
552 | select CRYPTO_ALGAPI | |
553 | help | |
554 | Blowfish cipher algorithm, by Bruce Schneier. | |
555 | ||
556 | This is a variable key length cipher which can use keys from 32 | |
557 | bits to 448 bits in length. It's fast, simple and specifically | |
558 | designed for use on "large microprocessors". | |
559 | ||
560 | See also: | |
561 | <http://www.schneier.com/blowfish.html> | |
562 | ||
563 | config CRYPTO_CAMELLIA | |
564 | tristate "Camellia cipher algorithms" | |
565 | depends on CRYPTO | |
566 | select CRYPTO_ALGAPI | |
567 | help | |
568 | Camellia cipher algorithms module. | |
569 | ||
570 | Camellia is a symmetric key block cipher developed jointly | |
571 | at NTT and Mitsubishi Electric Corporation. | |
572 | ||
573 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
574 | ||
575 | See also: | |
576 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
577 | ||
1da177e4 LT |
578 | config CRYPTO_CAST5 |
579 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 580 | select CRYPTO_ALGAPI |
1da177e4 LT |
581 | help |
582 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
583 | described in RFC2144. | |
584 | ||
585 | config CRYPTO_CAST6 | |
586 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 587 | select CRYPTO_ALGAPI |
1da177e4 LT |
588 | help |
589 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
590 | described in RFC2612. | |
591 | ||
584fffc8 SS |
592 | config CRYPTO_DES |
593 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 594 | select CRYPTO_ALGAPI |
1da177e4 | 595 | help |
584fffc8 | 596 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 597 | |
584fffc8 SS |
598 | config CRYPTO_FCRYPT |
599 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 600 | select CRYPTO_ALGAPI |
584fffc8 | 601 | select CRYPTO_BLKCIPHER |
1da177e4 | 602 | help |
584fffc8 | 603 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
604 | |
605 | config CRYPTO_KHAZAD | |
606 | tristate "Khazad cipher algorithm" | |
cce9e06d | 607 | select CRYPTO_ALGAPI |
1da177e4 LT |
608 | help |
609 | Khazad cipher algorithm. | |
610 | ||
611 | Khazad was a finalist in the initial NESSIE competition. It is | |
612 | an algorithm optimized for 64-bit processors with good performance | |
613 | on 32-bit processors. Khazad uses an 128 bit key size. | |
614 | ||
615 | See also: | |
616 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
617 | ||
2407d608 TSH |
618 | config CRYPTO_SALSA20 |
619 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
620 | depends on EXPERIMENTAL | |
621 | select CRYPTO_BLKCIPHER | |
622 | help | |
623 | Salsa20 stream cipher algorithm. | |
624 | ||
625 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
626 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
627 | |
628 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
629 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
630 | ||
631 | config CRYPTO_SALSA20_586 | |
632 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
633 | depends on (X86 || UML_X86) && !64BIT | |
634 | depends on EXPERIMENTAL | |
635 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
636 | help |
637 | Salsa20 stream cipher algorithm. | |
638 | ||
639 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
640 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
641 | |
642 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
643 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
644 | ||
645 | config CRYPTO_SALSA20_X86_64 | |
646 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
647 | depends on (X86 || UML_X86) && 64BIT | |
648 | depends on EXPERIMENTAL | |
649 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
650 | help |
651 | Salsa20 stream cipher algorithm. | |
652 | ||
653 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
654 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
655 | |
656 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
657 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 658 | |
584fffc8 SS |
659 | config CRYPTO_SEED |
660 | tristate "SEED cipher algorithm" | |
cce9e06d | 661 | select CRYPTO_ALGAPI |
1da177e4 | 662 | help |
584fffc8 | 663 | SEED cipher algorithm (RFC4269). |
1da177e4 | 664 | |
584fffc8 SS |
665 | SEED is a 128-bit symmetric key block cipher that has been |
666 | developed by KISA (Korea Information Security Agency) as a | |
667 | national standard encryption algorithm of the Republic of Korea. | |
668 | It is a 16 round block cipher with the key size of 128 bit. | |
669 | ||
670 | See also: | |
671 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
672 | ||
673 | config CRYPTO_SERPENT | |
674 | tristate "Serpent cipher algorithm" | |
cce9e06d | 675 | select CRYPTO_ALGAPI |
1da177e4 | 676 | help |
584fffc8 | 677 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 678 | |
584fffc8 SS |
679 | Keys are allowed to be from 0 to 256 bits in length, in steps |
680 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
681 | variant of Serpent for compatibility with old kerneli.org code. | |
682 | ||
683 | See also: | |
684 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
685 | ||
686 | config CRYPTO_TEA | |
687 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 688 | select CRYPTO_ALGAPI |
1da177e4 | 689 | help |
584fffc8 | 690 | TEA cipher algorithm. |
1da177e4 | 691 | |
584fffc8 SS |
692 | Tiny Encryption Algorithm is a simple cipher that uses |
693 | many rounds for security. It is very fast and uses | |
694 | little memory. | |
695 | ||
696 | Xtendend Tiny Encryption Algorithm is a modification to | |
697 | the TEA algorithm to address a potential key weakness | |
698 | in the TEA algorithm. | |
699 | ||
700 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
701 | of the XTEA algorithm for compatibility purposes. | |
702 | ||
703 | config CRYPTO_TWOFISH | |
704 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 705 | select CRYPTO_ALGAPI |
584fffc8 | 706 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 707 | help |
584fffc8 | 708 | Twofish cipher algorithm. |
04ac7db3 | 709 | |
584fffc8 SS |
710 | Twofish was submitted as an AES (Advanced Encryption Standard) |
711 | candidate cipher by researchers at CounterPane Systems. It is a | |
712 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
713 | bits. | |
04ac7db3 | 714 | |
584fffc8 SS |
715 | See also: |
716 | <http://www.schneier.com/twofish.html> | |
717 | ||
718 | config CRYPTO_TWOFISH_COMMON | |
719 | tristate | |
720 | help | |
721 | Common parts of the Twofish cipher algorithm shared by the | |
722 | generic c and the assembler implementations. | |
723 | ||
724 | config CRYPTO_TWOFISH_586 | |
725 | tristate "Twofish cipher algorithms (i586)" | |
726 | depends on (X86 || UML_X86) && !64BIT | |
727 | select CRYPTO_ALGAPI | |
728 | select CRYPTO_TWOFISH_COMMON | |
729 | help | |
730 | Twofish cipher algorithm. | |
731 | ||
732 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
733 | candidate cipher by researchers at CounterPane Systems. It is a | |
734 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
735 | bits. | |
04ac7db3 NT |
736 | |
737 | See also: | |
584fffc8 | 738 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 739 | |
584fffc8 SS |
740 | config CRYPTO_TWOFISH_X86_64 |
741 | tristate "Twofish cipher algorithm (x86_64)" | |
742 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 743 | select CRYPTO_ALGAPI |
584fffc8 | 744 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 745 | help |
584fffc8 | 746 | Twofish cipher algorithm (x86_64). |
1da177e4 | 747 | |
584fffc8 SS |
748 | Twofish was submitted as an AES (Advanced Encryption Standard) |
749 | candidate cipher by researchers at CounterPane Systems. It is a | |
750 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
751 | bits. | |
752 | ||
753 | See also: | |
754 | <http://www.schneier.com/twofish.html> | |
755 | ||
756 | comment "Compression" | |
757 | ||
758 | config CRYPTO_DEFLATE | |
759 | tristate "Deflate compression algorithm" | |
760 | select CRYPTO_ALGAPI | |
761 | select ZLIB_INFLATE | |
762 | select ZLIB_DEFLATE | |
3c09f17c | 763 | help |
584fffc8 SS |
764 | This is the Deflate algorithm (RFC1951), specified for use in |
765 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
766 | ||
767 | You will most probably want this if using IPSec. | |
3c09f17c | 768 | |
bf68e65e GU |
769 | config CRYPTO_ZLIB |
770 | tristate "Zlib compression algorithm" | |
771 | select CRYPTO_PCOMP | |
772 | select ZLIB_INFLATE | |
773 | select ZLIB_DEFLATE | |
774 | select NLATTR | |
775 | help | |
776 | This is the zlib algorithm. | |
777 | ||
0b77abb3 ZS |
778 | config CRYPTO_LZO |
779 | tristate "LZO compression algorithm" | |
780 | select CRYPTO_ALGAPI | |
781 | select LZO_COMPRESS | |
782 | select LZO_DECOMPRESS | |
783 | help | |
784 | This is the LZO algorithm. | |
785 | ||
17f0f4a4 NH |
786 | comment "Random Number Generation" |
787 | ||
788 | config CRYPTO_ANSI_CPRNG | |
789 | tristate "Pseudo Random Number Generation for Cryptographic modules" | |
790 | select CRYPTO_AES | |
791 | select CRYPTO_RNG | |
17f0f4a4 NH |
792 | help |
793 | This option enables the generic pseudo random number generator | |
794 | for cryptographic modules. Uses the Algorithm specified in | |
795 | ANSI X9.31 A.2.4 | |
796 | ||
1da177e4 | 797 | source "drivers/crypto/Kconfig" |
1da177e4 | 798 | |
cce9e06d | 799 | endif # if CRYPTO |