]>
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" | |
215ccd6f | 26 | select CRYPTO_ANSI_CPRNG |
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 | |
31 | this is. | |
32 | ||
cce9e06d HX |
33 | config 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 |
39 | config CRYPTO_ALGAPI2 |
40 | tristate | |
41 | ||
1ae97820 HX |
42 | config CRYPTO_AEAD |
43 | tristate | |
6a0fcbb4 | 44 | select CRYPTO_AEAD2 |
1ae97820 HX |
45 | select CRYPTO_ALGAPI |
46 | ||
6a0fcbb4 HX |
47 | config CRYPTO_AEAD2 |
48 | tristate | |
49 | select CRYPTO_ALGAPI2 | |
50 | ||
5cde0af2 HX |
51 | config CRYPTO_BLKCIPHER |
52 | tristate | |
6a0fcbb4 | 53 | select CRYPTO_BLKCIPHER2 |
5cde0af2 | 54 | select CRYPTO_ALGAPI |
6a0fcbb4 HX |
55 | |
56 | config CRYPTO_BLKCIPHER2 | |
57 | tristate | |
58 | select CRYPTO_ALGAPI2 | |
59 | select CRYPTO_RNG2 | |
0a2e821d | 60 | select CRYPTO_WORKQUEUE |
5cde0af2 | 61 | |
055bcee3 HX |
62 | config CRYPTO_HASH |
63 | tristate | |
6a0fcbb4 | 64 | select CRYPTO_HASH2 |
055bcee3 HX |
65 | select CRYPTO_ALGAPI |
66 | ||
6a0fcbb4 HX |
67 | config CRYPTO_HASH2 |
68 | tristate | |
69 | select CRYPTO_ALGAPI2 | |
70 | ||
17f0f4a4 NH |
71 | config CRYPTO_RNG |
72 | tristate | |
6a0fcbb4 | 73 | select CRYPTO_RNG2 |
17f0f4a4 NH |
74 | select CRYPTO_ALGAPI |
75 | ||
6a0fcbb4 HX |
76 | config CRYPTO_RNG2 |
77 | tristate | |
78 | select CRYPTO_ALGAPI2 | |
79 | ||
a1d2f095 GU |
80 | config CRYPTO_PCOMP |
81 | tristate | |
82 | select CRYPTO_ALGAPI2 | |
83 | ||
2b8c19db HX |
84 | config CRYPTO_MANAGER |
85 | tristate "Cryptographic algorithm manager" | |
6a0fcbb4 | 86 | select CRYPTO_MANAGER2 |
2b8c19db HX |
87 | help |
88 | Create default cryptographic template instantiations such as | |
89 | cbc(aes). | |
90 | ||
6a0fcbb4 HX |
91 | config CRYPTO_MANAGER2 |
92 | def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) | |
93 | select CRYPTO_AEAD2 | |
94 | select CRYPTO_HASH2 | |
95 | select CRYPTO_BLKCIPHER2 | |
0c01aed5 | 96 | select CRYPTO_PCOMP |
6a0fcbb4 | 97 | |
584fffc8 SS |
98 | config CRYPTO_GF128MUL |
99 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
333b0d7e | 100 | depends on EXPERIMENTAL |
333b0d7e | 101 | help |
584fffc8 SS |
102 | Efficient table driven implementation of multiplications in the |
103 | field GF(2^128). This is needed by some cypher modes. This | |
104 | option will be selected automatically if you select such a | |
105 | cipher mode. Only select this option by hand if you expect to load | |
106 | an external module that requires these functions. | |
333b0d7e | 107 | |
1da177e4 LT |
108 | config CRYPTO_NULL |
109 | tristate "Null algorithms" | |
cce9e06d | 110 | select CRYPTO_ALGAPI |
c8620c25 | 111 | select CRYPTO_BLKCIPHER |
d35d2454 | 112 | select CRYPTO_HASH |
1da177e4 LT |
113 | help |
114 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
115 | ||
25c38d3f HY |
116 | config CRYPTO_WORKQUEUE |
117 | tristate | |
118 | ||
584fffc8 SS |
119 | config CRYPTO_CRYPTD |
120 | tristate "Software async crypto daemon" | |
121 | select CRYPTO_BLKCIPHER | |
b8a28251 | 122 | select CRYPTO_HASH |
584fffc8 | 123 | select CRYPTO_MANAGER |
254eff77 | 124 | select CRYPTO_WORKQUEUE |
1da177e4 | 125 | help |
584fffc8 SS |
126 | This is a generic software asynchronous crypto daemon that |
127 | converts an arbitrary synchronous software crypto algorithm | |
128 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 129 | |
584fffc8 SS |
130 | config CRYPTO_AUTHENC |
131 | tristate "Authenc support" | |
132 | select CRYPTO_AEAD | |
133 | select CRYPTO_BLKCIPHER | |
134 | select CRYPTO_MANAGER | |
135 | select CRYPTO_HASH | |
1da177e4 | 136 | help |
584fffc8 SS |
137 | Authenc: Combined mode wrapper for IPsec. |
138 | This is required for IPSec. | |
1da177e4 | 139 | |
584fffc8 SS |
140 | config CRYPTO_TEST |
141 | tristate "Testing module" | |
142 | depends on m | |
da7f033d | 143 | select CRYPTO_MANAGER |
1da177e4 | 144 | help |
584fffc8 | 145 | Quick & dirty crypto test module. |
1da177e4 | 146 | |
584fffc8 | 147 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 148 | |
584fffc8 SS |
149 | config CRYPTO_CCM |
150 | tristate "CCM support" | |
151 | select CRYPTO_CTR | |
152 | select CRYPTO_AEAD | |
1da177e4 | 153 | help |
584fffc8 | 154 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 155 | |
584fffc8 SS |
156 | config CRYPTO_GCM |
157 | tristate "GCM/GMAC support" | |
158 | select CRYPTO_CTR | |
159 | select CRYPTO_AEAD | |
160 | select CRYPTO_GF128MUL | |
1da177e4 | 161 | help |
584fffc8 SS |
162 | Support for Galois/Counter Mode (GCM) and Galois Message |
163 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 164 | |
584fffc8 SS |
165 | config CRYPTO_SEQIV |
166 | tristate "Sequence Number IV Generator" | |
167 | select CRYPTO_AEAD | |
168 | select CRYPTO_BLKCIPHER | |
a0f000ec | 169 | select CRYPTO_RNG |
1da177e4 | 170 | help |
584fffc8 SS |
171 | This IV generator generates an IV based on a sequence number by |
172 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 173 | |
584fffc8 | 174 | comment "Block modes" |
c494e070 | 175 | |
584fffc8 SS |
176 | config CRYPTO_CBC |
177 | tristate "CBC support" | |
db131ef9 | 178 | select CRYPTO_BLKCIPHER |
43518407 | 179 | select CRYPTO_MANAGER |
db131ef9 | 180 | help |
584fffc8 SS |
181 | CBC: Cipher Block Chaining mode |
182 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 183 | |
584fffc8 SS |
184 | config CRYPTO_CTR |
185 | tristate "CTR support" | |
db131ef9 | 186 | select CRYPTO_BLKCIPHER |
584fffc8 | 187 | select CRYPTO_SEQIV |
43518407 | 188 | select CRYPTO_MANAGER |
db131ef9 | 189 | help |
584fffc8 | 190 | CTR: Counter mode |
db131ef9 HX |
191 | This block cipher algorithm is required for IPSec. |
192 | ||
584fffc8 SS |
193 | config CRYPTO_CTS |
194 | tristate "CTS support" | |
195 | select CRYPTO_BLKCIPHER | |
196 | help | |
197 | CTS: Cipher Text Stealing | |
198 | This is the Cipher Text Stealing mode as described by | |
199 | Section 8 of rfc2040 and referenced by rfc3962. | |
200 | (rfc3962 includes errata information in its Appendix A) | |
201 | This mode is required for Kerberos gss mechanism support | |
202 | for AES encryption. | |
203 | ||
204 | config CRYPTO_ECB | |
205 | tristate "ECB support" | |
91652be5 DH |
206 | select CRYPTO_BLKCIPHER |
207 | select CRYPTO_MANAGER | |
91652be5 | 208 | help |
584fffc8 SS |
209 | ECB: Electronic CodeBook mode |
210 | This is the simplest block cipher algorithm. It simply encrypts | |
211 | the input block by block. | |
91652be5 | 212 | |
64470f1b RS |
213 | config CRYPTO_LRW |
214 | tristate "LRW support (EXPERIMENTAL)" | |
215 | depends on EXPERIMENTAL | |
216 | select CRYPTO_BLKCIPHER | |
217 | select CRYPTO_MANAGER | |
218 | select CRYPTO_GF128MUL | |
219 | help | |
220 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
221 | narrow block cipher mode for dm-crypt. Use it with cipher | |
222 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
223 | The first 128, 192 or 256 bits in the key are used for AES and the | |
224 | rest is used to tie each cipher block to its logical position. | |
225 | ||
584fffc8 SS |
226 | config CRYPTO_PCBC |
227 | tristate "PCBC support" | |
228 | select CRYPTO_BLKCIPHER | |
229 | select CRYPTO_MANAGER | |
230 | help | |
231 | PCBC: Propagating Cipher Block Chaining mode | |
232 | This block cipher algorithm is required for RxRPC. | |
233 | ||
f19f5111 RS |
234 | config CRYPTO_XTS |
235 | tristate "XTS support (EXPERIMENTAL)" | |
236 | depends on EXPERIMENTAL | |
237 | select CRYPTO_BLKCIPHER | |
238 | select CRYPTO_MANAGER | |
239 | select CRYPTO_GF128MUL | |
240 | help | |
241 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
242 | key size 256, 384 or 512 bits. This implementation currently | |
243 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
244 | ||
150c7e85 HY |
245 | config CRYPTO_FPU |
246 | tristate | |
247 | select CRYPTO_BLKCIPHER | |
248 | select CRYPTO_MANAGER | |
249 | ||
584fffc8 SS |
250 | comment "Hash modes" |
251 | ||
252 | config CRYPTO_HMAC | |
253 | tristate "HMAC support" | |
254 | select CRYPTO_HASH | |
23e353c8 | 255 | select CRYPTO_MANAGER |
23e353c8 | 256 | help |
584fffc8 SS |
257 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
258 | This is required for IPSec. | |
23e353c8 | 259 | |
584fffc8 SS |
260 | config CRYPTO_XCBC |
261 | tristate "XCBC support" | |
262 | depends on EXPERIMENTAL | |
263 | select CRYPTO_HASH | |
264 | select CRYPTO_MANAGER | |
76cb9521 | 265 | help |
584fffc8 SS |
266 | XCBC: Keyed-Hashing with encryption algorithm |
267 | http://www.ietf.org/rfc/rfc3566.txt | |
268 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
269 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 270 | |
584fffc8 | 271 | comment "Digest" |
28db8e3e | 272 | |
584fffc8 SS |
273 | config CRYPTO_CRC32C |
274 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 275 | select CRYPTO_HASH |
4a49b499 | 276 | help |
584fffc8 SS |
277 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
278 | by iSCSI for header and data digests and by others. | |
69c35efc | 279 | See Castagnoli93. Module will be crc32c. |
4a49b499 | 280 | |
8cb51ba8 AZ |
281 | config CRYPTO_CRC32C_INTEL |
282 | tristate "CRC32c INTEL hardware acceleration" | |
283 | depends on X86 | |
284 | select CRYPTO_HASH | |
285 | help | |
286 | In Intel processor with SSE4.2 supported, the processor will | |
287 | support CRC32C implementation using hardware accelerated CRC32 | |
288 | instruction. This option will create 'crc32c-intel' module, | |
289 | which will enable any routine to use the CRC32 instruction to | |
290 | gain performance compared with software implementation. | |
291 | Module will be crc32c-intel. | |
292 | ||
2cdc6899 HY |
293 | config CRYPTO_GHASH |
294 | tristate "GHASH digest algorithm" | |
295 | select CRYPTO_SHASH | |
296 | select CRYPTO_GF128MUL | |
297 | help | |
298 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
299 | ||
584fffc8 SS |
300 | config CRYPTO_MD4 |
301 | tristate "MD4 digest algorithm" | |
808a1763 | 302 | select CRYPTO_HASH |
124b53d0 | 303 | help |
584fffc8 | 304 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 305 | |
584fffc8 SS |
306 | config CRYPTO_MD5 |
307 | tristate "MD5 digest algorithm" | |
14b75ba7 | 308 | select CRYPTO_HASH |
1da177e4 | 309 | help |
584fffc8 | 310 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 311 | |
584fffc8 SS |
312 | config CRYPTO_MICHAEL_MIC |
313 | tristate "Michael MIC keyed digest algorithm" | |
19e2bf14 | 314 | select CRYPTO_HASH |
90831639 | 315 | help |
584fffc8 SS |
316 | Michael MIC is used for message integrity protection in TKIP |
317 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
318 | should not be used for other purposes because of the weakness | |
319 | of the algorithm. | |
90831639 | 320 | |
82798f90 | 321 | config CRYPTO_RMD128 |
b6d44341 | 322 | tristate "RIPEMD-128 digest algorithm" |
7c4468bc | 323 | select CRYPTO_HASH |
b6d44341 AB |
324 | help |
325 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 326 | |
b6d44341 AB |
327 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
328 | to be used as a secure replacement for RIPEMD. For other use cases | |
329 | RIPEMD-160 should be used. | |
82798f90 | 330 | |
b6d44341 AB |
331 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
332 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 AKR |
333 | |
334 | config CRYPTO_RMD160 | |
b6d44341 | 335 | tristate "RIPEMD-160 digest algorithm" |
e5835fba | 336 | select CRYPTO_HASH |
b6d44341 AB |
337 | help |
338 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 339 | |
b6d44341 AB |
340 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
341 | to be used as a secure replacement for the 128-bit hash functions | |
342 | MD4, MD5 and it's predecessor RIPEMD | |
343 | (not to be confused with RIPEMD-128). | |
82798f90 | 344 | |
b6d44341 AB |
345 | It's speed is comparable to SHA1 and there are no known attacks |
346 | against RIPEMD-160. | |
534fe2c1 | 347 | |
b6d44341 AB |
348 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
349 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
350 | |
351 | config CRYPTO_RMD256 | |
b6d44341 | 352 | tristate "RIPEMD-256 digest algorithm" |
d8a5e2e9 | 353 | select CRYPTO_HASH |
b6d44341 AB |
354 | help |
355 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
356 | 256 bit hash. It is intended for applications that require | |
357 | longer hash-results, without needing a larger security level | |
358 | (than RIPEMD-128). | |
534fe2c1 | 359 | |
b6d44341 AB |
360 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
361 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
362 | |
363 | config CRYPTO_RMD320 | |
b6d44341 | 364 | tristate "RIPEMD-320 digest algorithm" |
3b8efb4c | 365 | select CRYPTO_HASH |
b6d44341 AB |
366 | help |
367 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
368 | 320 bit hash. It is intended for applications that require | |
369 | longer hash-results, without needing a larger security level | |
370 | (than RIPEMD-160). | |
534fe2c1 | 371 | |
b6d44341 AB |
372 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
373 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 | 374 | |
584fffc8 SS |
375 | config CRYPTO_SHA1 |
376 | tristate "SHA1 digest algorithm" | |
54ccb367 | 377 | select CRYPTO_HASH |
1da177e4 | 378 | help |
584fffc8 | 379 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 380 | |
584fffc8 SS |
381 | config CRYPTO_SHA256 |
382 | tristate "SHA224 and SHA256 digest algorithm" | |
50e109b5 | 383 | select CRYPTO_HASH |
1da177e4 | 384 | help |
584fffc8 | 385 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 386 | |
584fffc8 SS |
387 | This version of SHA implements a 256 bit hash with 128 bits of |
388 | security against collision attacks. | |
2729bb42 | 389 | |
b6d44341 AB |
390 | This code also includes SHA-224, a 224 bit hash with 112 bits |
391 | of security against collision attacks. | |
584fffc8 SS |
392 | |
393 | config CRYPTO_SHA512 | |
394 | tristate "SHA384 and SHA512 digest algorithms" | |
bd9d20db | 395 | select CRYPTO_HASH |
b9f535ff | 396 | help |
584fffc8 | 397 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 398 | |
584fffc8 SS |
399 | This version of SHA implements a 512 bit hash with 256 bits of |
400 | security against collision attacks. | |
b9f535ff | 401 | |
584fffc8 SS |
402 | This code also includes SHA-384, a 384 bit hash with 192 bits |
403 | of security against collision attacks. | |
b9f535ff | 404 | |
584fffc8 SS |
405 | config CRYPTO_TGR192 |
406 | tristate "Tiger digest algorithms" | |
f63fbd3d | 407 | select CRYPTO_HASH |
eaf44088 | 408 | help |
584fffc8 | 409 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 410 | |
584fffc8 SS |
411 | Tiger is a hash function optimized for 64-bit processors while |
412 | still having decent performance on 32-bit processors. | |
413 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
414 | |
415 | See also: | |
584fffc8 | 416 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 417 | |
584fffc8 SS |
418 | config CRYPTO_WP512 |
419 | tristate "Whirlpool digest algorithms" | |
4946510b | 420 | select CRYPTO_HASH |
1da177e4 | 421 | help |
584fffc8 | 422 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 423 | |
584fffc8 SS |
424 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
425 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
426 | |
427 | See also: | |
584fffc8 SS |
428 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> |
429 | ||
430 | comment "Ciphers" | |
1da177e4 LT |
431 | |
432 | config CRYPTO_AES | |
433 | tristate "AES cipher algorithms" | |
cce9e06d | 434 | select CRYPTO_ALGAPI |
1da177e4 | 435 | help |
584fffc8 | 436 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
437 | algorithm. |
438 | ||
439 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
440 | both hardware and software across a wide range of computing |
441 | environments regardless of its use in feedback or non-feedback | |
442 | modes. Its key setup time is excellent, and its key agility is | |
443 | good. Rijndael's very low memory requirements make it very well | |
444 | suited for restricted-space environments, in which it also | |
445 | demonstrates excellent performance. Rijndael's operations are | |
446 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 447 | |
584fffc8 | 448 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
449 | |
450 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
451 | ||
452 | config CRYPTO_AES_586 | |
453 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
454 | depends on (X86 || UML_X86) && !64BIT |
455 | select CRYPTO_ALGAPI | |
5157dea8 | 456 | select CRYPTO_AES |
1da177e4 | 457 | help |
584fffc8 | 458 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
459 | algorithm. |
460 | ||
461 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
462 | both hardware and software across a wide range of computing |
463 | environments regardless of its use in feedback or non-feedback | |
464 | modes. Its key setup time is excellent, and its key agility is | |
465 | good. Rijndael's very low memory requirements make it very well | |
466 | suited for restricted-space environments, in which it also | |
467 | demonstrates excellent performance. Rijndael's operations are | |
468 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 469 | |
584fffc8 | 470 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
471 | |
472 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
473 | ||
474 | config CRYPTO_AES_X86_64 | |
475 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
476 | depends on (X86 || UML_X86) && 64BIT |
477 | select CRYPTO_ALGAPI | |
81190b32 | 478 | select CRYPTO_AES |
a2a892a2 | 479 | help |
584fffc8 | 480 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
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 | |
54b6a1bd HY |
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. | |
491 | ||
492 | The AES specifies three key sizes: 128, 192 and 256 bits | |
493 | ||
494 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
495 | ||
496 | config CRYPTO_AES_NI_INTEL | |
497 | tristate "AES cipher algorithms (AES-NI)" | |
498 | depends on (X86 || UML_X86) && 64BIT | |
499 | select CRYPTO_AES_X86_64 | |
500 | select CRYPTO_CRYPTD | |
501 | select CRYPTO_ALGAPI | |
2cf4ac8b | 502 | select CRYPTO_FPU |
54b6a1bd HY |
503 | help |
504 | Use Intel AES-NI instructions for AES algorithm. | |
505 | ||
506 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
507 | algorithm. | |
508 | ||
509 | Rijndael appears to be consistently a very good performer in | |
510 | both hardware and software across a wide range of computing | |
511 | environments regardless of its use in feedback or non-feedback | |
512 | modes. Its key setup time is excellent, and its key agility is | |
584fffc8 SS |
513 | good. Rijndael's very low memory requirements make it very well |
514 | suited for restricted-space environments, in which it also | |
515 | demonstrates excellent performance. Rijndael's operations are | |
516 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 517 | |
584fffc8 | 518 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
519 | |
520 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
521 | ||
2cf4ac8b HY |
522 | In addition to AES cipher algorithm support, the |
523 | acceleration for some popular block cipher mode is supported | |
524 | too, including ECB, CBC, CTR, LRW, PCBC, XTS. | |
525 | ||
584fffc8 SS |
526 | config CRYPTO_ANUBIS |
527 | tristate "Anubis cipher algorithm" | |
528 | select CRYPTO_ALGAPI | |
529 | help | |
530 | Anubis cipher algorithm. | |
531 | ||
532 | Anubis is a variable key length cipher which can use keys from | |
533 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
534 | in the NESSIE competition. | |
535 | ||
536 | See also: | |
537 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
538 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
539 | ||
540 | config CRYPTO_ARC4 | |
541 | tristate "ARC4 cipher algorithm" | |
542 | select CRYPTO_ALGAPI | |
543 | help | |
544 | ARC4 cipher algorithm. | |
545 | ||
546 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
547 | bits in length. This algorithm is required for driver-based | |
548 | WEP, but it should not be for other purposes because of the | |
549 | weakness of the algorithm. | |
550 | ||
551 | config CRYPTO_BLOWFISH | |
552 | tristate "Blowfish cipher algorithm" | |
553 | select CRYPTO_ALGAPI | |
554 | help | |
555 | Blowfish cipher algorithm, by Bruce Schneier. | |
556 | ||
557 | This is a variable key length cipher which can use keys from 32 | |
558 | bits to 448 bits in length. It's fast, simple and specifically | |
559 | designed for use on "large microprocessors". | |
560 | ||
561 | See also: | |
562 | <http://www.schneier.com/blowfish.html> | |
563 | ||
564 | config CRYPTO_CAMELLIA | |
565 | tristate "Camellia cipher algorithms" | |
566 | depends on CRYPTO | |
567 | select CRYPTO_ALGAPI | |
568 | help | |
569 | Camellia cipher algorithms module. | |
570 | ||
571 | Camellia is a symmetric key block cipher developed jointly | |
572 | at NTT and Mitsubishi Electric Corporation. | |
573 | ||
574 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
575 | ||
576 | See also: | |
577 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
578 | ||
1da177e4 LT |
579 | config CRYPTO_CAST5 |
580 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 581 | select CRYPTO_ALGAPI |
1da177e4 LT |
582 | help |
583 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
584 | described in RFC2144. | |
585 | ||
586 | config CRYPTO_CAST6 | |
587 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 588 | select CRYPTO_ALGAPI |
1da177e4 LT |
589 | help |
590 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
591 | described in RFC2612. | |
592 | ||
584fffc8 SS |
593 | config CRYPTO_DES |
594 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 595 | select CRYPTO_ALGAPI |
1da177e4 | 596 | help |
584fffc8 | 597 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 598 | |
584fffc8 SS |
599 | config CRYPTO_FCRYPT |
600 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 601 | select CRYPTO_ALGAPI |
584fffc8 | 602 | select CRYPTO_BLKCIPHER |
1da177e4 | 603 | help |
584fffc8 | 604 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
605 | |
606 | config CRYPTO_KHAZAD | |
607 | tristate "Khazad cipher algorithm" | |
cce9e06d | 608 | select CRYPTO_ALGAPI |
1da177e4 LT |
609 | help |
610 | Khazad cipher algorithm. | |
611 | ||
612 | Khazad was a finalist in the initial NESSIE competition. It is | |
613 | an algorithm optimized for 64-bit processors with good performance | |
614 | on 32-bit processors. Khazad uses an 128 bit key size. | |
615 | ||
616 | See also: | |
617 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
618 | ||
2407d608 TSH |
619 | config CRYPTO_SALSA20 |
620 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
621 | depends on EXPERIMENTAL | |
622 | select CRYPTO_BLKCIPHER | |
623 | help | |
624 | Salsa20 stream cipher algorithm. | |
625 | ||
626 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
627 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
628 | |
629 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
630 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
631 | ||
632 | config CRYPTO_SALSA20_586 | |
633 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
634 | depends on (X86 || UML_X86) && !64BIT | |
635 | depends on EXPERIMENTAL | |
636 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
637 | help |
638 | Salsa20 stream cipher algorithm. | |
639 | ||
640 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
641 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
642 | |
643 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
644 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
645 | ||
646 | config CRYPTO_SALSA20_X86_64 | |
647 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
648 | depends on (X86 || UML_X86) && 64BIT | |
649 | depends on EXPERIMENTAL | |
650 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
651 | help |
652 | Salsa20 stream cipher algorithm. | |
653 | ||
654 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
655 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
656 | |
657 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
658 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 659 | |
584fffc8 SS |
660 | config CRYPTO_SEED |
661 | tristate "SEED cipher algorithm" | |
cce9e06d | 662 | select CRYPTO_ALGAPI |
1da177e4 | 663 | help |
584fffc8 | 664 | SEED cipher algorithm (RFC4269). |
1da177e4 | 665 | |
584fffc8 SS |
666 | SEED is a 128-bit symmetric key block cipher that has been |
667 | developed by KISA (Korea Information Security Agency) as a | |
668 | national standard encryption algorithm of the Republic of Korea. | |
669 | It is a 16 round block cipher with the key size of 128 bit. | |
670 | ||
671 | See also: | |
672 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
673 | ||
674 | config CRYPTO_SERPENT | |
675 | tristate "Serpent cipher algorithm" | |
cce9e06d | 676 | select CRYPTO_ALGAPI |
1da177e4 | 677 | help |
584fffc8 | 678 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 679 | |
584fffc8 SS |
680 | Keys are allowed to be from 0 to 256 bits in length, in steps |
681 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
682 | variant of Serpent for compatibility with old kerneli.org code. | |
683 | ||
684 | See also: | |
685 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
686 | ||
687 | config CRYPTO_TEA | |
688 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 689 | select CRYPTO_ALGAPI |
1da177e4 | 690 | help |
584fffc8 | 691 | TEA cipher algorithm. |
1da177e4 | 692 | |
584fffc8 SS |
693 | Tiny Encryption Algorithm is a simple cipher that uses |
694 | many rounds for security. It is very fast and uses | |
695 | little memory. | |
696 | ||
697 | Xtendend Tiny Encryption Algorithm is a modification to | |
698 | the TEA algorithm to address a potential key weakness | |
699 | in the TEA algorithm. | |
700 | ||
701 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
702 | of the XTEA algorithm for compatibility purposes. | |
703 | ||
704 | config CRYPTO_TWOFISH | |
705 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 706 | select CRYPTO_ALGAPI |
584fffc8 | 707 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 708 | help |
584fffc8 | 709 | Twofish cipher algorithm. |
04ac7db3 | 710 | |
584fffc8 SS |
711 | Twofish was submitted as an AES (Advanced Encryption Standard) |
712 | candidate cipher by researchers at CounterPane Systems. It is a | |
713 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
714 | bits. | |
04ac7db3 | 715 | |
584fffc8 SS |
716 | See also: |
717 | <http://www.schneier.com/twofish.html> | |
718 | ||
719 | config CRYPTO_TWOFISH_COMMON | |
720 | tristate | |
721 | help | |
722 | Common parts of the Twofish cipher algorithm shared by the | |
723 | generic c and the assembler implementations. | |
724 | ||
725 | config CRYPTO_TWOFISH_586 | |
726 | tristate "Twofish cipher algorithms (i586)" | |
727 | depends on (X86 || UML_X86) && !64BIT | |
728 | select CRYPTO_ALGAPI | |
729 | select CRYPTO_TWOFISH_COMMON | |
730 | help | |
731 | Twofish cipher algorithm. | |
732 | ||
733 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
734 | candidate cipher by researchers at CounterPane Systems. It is a | |
735 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
736 | bits. | |
04ac7db3 NT |
737 | |
738 | See also: | |
584fffc8 | 739 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 740 | |
584fffc8 SS |
741 | config CRYPTO_TWOFISH_X86_64 |
742 | tristate "Twofish cipher algorithm (x86_64)" | |
743 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 744 | select CRYPTO_ALGAPI |
584fffc8 | 745 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 746 | help |
584fffc8 | 747 | Twofish cipher algorithm (x86_64). |
1da177e4 | 748 | |
584fffc8 SS |
749 | Twofish was submitted as an AES (Advanced Encryption Standard) |
750 | candidate cipher by researchers at CounterPane Systems. It is a | |
751 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
752 | bits. | |
753 | ||
754 | See also: | |
755 | <http://www.schneier.com/twofish.html> | |
756 | ||
757 | comment "Compression" | |
758 | ||
759 | config CRYPTO_DEFLATE | |
760 | tristate "Deflate compression algorithm" | |
761 | select CRYPTO_ALGAPI | |
762 | select ZLIB_INFLATE | |
763 | select ZLIB_DEFLATE | |
3c09f17c | 764 | help |
584fffc8 SS |
765 | This is the Deflate algorithm (RFC1951), specified for use in |
766 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
767 | ||
768 | You will most probably want this if using IPSec. | |
3c09f17c | 769 | |
bf68e65e GU |
770 | config CRYPTO_ZLIB |
771 | tristate "Zlib compression algorithm" | |
772 | select CRYPTO_PCOMP | |
773 | select ZLIB_INFLATE | |
774 | select ZLIB_DEFLATE | |
775 | select NLATTR | |
776 | help | |
777 | This is the zlib algorithm. | |
778 | ||
0b77abb3 ZS |
779 | config CRYPTO_LZO |
780 | tristate "LZO compression algorithm" | |
781 | select CRYPTO_ALGAPI | |
782 | select LZO_COMPRESS | |
783 | select LZO_DECOMPRESS | |
784 | help | |
785 | This is the LZO algorithm. | |
786 | ||
17f0f4a4 NH |
787 | comment "Random Number Generation" |
788 | ||
789 | config CRYPTO_ANSI_CPRNG | |
790 | tristate "Pseudo Random Number Generation for Cryptographic modules" | |
791 | select CRYPTO_AES | |
792 | select CRYPTO_RNG | |
17f0f4a4 NH |
793 | help |
794 | This option enables the generic pseudo random number generator | |
795 | for cryptographic modules. Uses the Algorithm specified in | |
796 | ANSI X9.31 A.2.4 | |
797 | ||
1da177e4 | 798 | source "drivers/crypto/Kconfig" |
1da177e4 | 799 | |
cce9e06d | 800 | endif # if CRYPTO |