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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 | |
5cde0af2 | 59 | |
055bcee3 HX |
60 | config CRYPTO_HASH |
61 | tristate | |
6a0fcbb4 | 62 | select CRYPTO_HASH2 |
055bcee3 HX |
63 | select CRYPTO_ALGAPI |
64 | ||
6a0fcbb4 HX |
65 | config CRYPTO_HASH2 |
66 | tristate | |
67 | select CRYPTO_ALGAPI2 | |
68 | ||
17f0f4a4 NH |
69 | config CRYPTO_RNG |
70 | tristate | |
6a0fcbb4 | 71 | select CRYPTO_RNG2 |
17f0f4a4 NH |
72 | select CRYPTO_ALGAPI |
73 | ||
6a0fcbb4 HX |
74 | config CRYPTO_RNG2 |
75 | tristate | |
76 | select CRYPTO_ALGAPI2 | |
77 | ||
2b8c19db HX |
78 | config CRYPTO_MANAGER |
79 | tristate "Cryptographic algorithm manager" | |
6a0fcbb4 | 80 | select CRYPTO_MANAGER2 |
2b8c19db HX |
81 | help |
82 | Create default cryptographic template instantiations such as | |
83 | cbc(aes). | |
84 | ||
6a0fcbb4 HX |
85 | config CRYPTO_MANAGER2 |
86 | def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) | |
87 | select CRYPTO_AEAD2 | |
88 | select CRYPTO_HASH2 | |
89 | select CRYPTO_BLKCIPHER2 | |
90 | ||
584fffc8 SS |
91 | config CRYPTO_GF128MUL |
92 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
333b0d7e | 93 | depends on EXPERIMENTAL |
333b0d7e | 94 | help |
584fffc8 SS |
95 | Efficient table driven implementation of multiplications in the |
96 | field GF(2^128). This is needed by some cypher modes. This | |
97 | option will be selected automatically if you select such a | |
98 | cipher mode. Only select this option by hand if you expect to load | |
99 | an external module that requires these functions. | |
333b0d7e | 100 | |
1da177e4 LT |
101 | config CRYPTO_NULL |
102 | tristate "Null algorithms" | |
cce9e06d | 103 | select CRYPTO_ALGAPI |
c8620c25 | 104 | select CRYPTO_BLKCIPHER |
d35d2454 | 105 | select CRYPTO_HASH |
1da177e4 LT |
106 | help |
107 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
108 | ||
25c38d3f HY |
109 | config CRYPTO_WORKQUEUE |
110 | tristate | |
111 | ||
584fffc8 SS |
112 | config CRYPTO_CRYPTD |
113 | tristate "Software async crypto daemon" | |
114 | select CRYPTO_BLKCIPHER | |
b8a28251 | 115 | select CRYPTO_HASH |
584fffc8 | 116 | select CRYPTO_MANAGER |
254eff77 | 117 | select CRYPTO_WORKQUEUE |
1da177e4 | 118 | help |
584fffc8 SS |
119 | This is a generic software asynchronous crypto daemon that |
120 | converts an arbitrary synchronous software crypto algorithm | |
121 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 122 | |
584fffc8 SS |
123 | config CRYPTO_AUTHENC |
124 | tristate "Authenc support" | |
125 | select CRYPTO_AEAD | |
126 | select CRYPTO_BLKCIPHER | |
127 | select CRYPTO_MANAGER | |
128 | select CRYPTO_HASH | |
1da177e4 | 129 | help |
584fffc8 SS |
130 | Authenc: Combined mode wrapper for IPsec. |
131 | This is required for IPSec. | |
1da177e4 | 132 | |
584fffc8 SS |
133 | config CRYPTO_TEST |
134 | tristate "Testing module" | |
135 | depends on m | |
da7f033d | 136 | select CRYPTO_MANAGER |
1da177e4 | 137 | help |
584fffc8 | 138 | Quick & dirty crypto test module. |
1da177e4 | 139 | |
584fffc8 | 140 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 141 | |
584fffc8 SS |
142 | config CRYPTO_CCM |
143 | tristate "CCM support" | |
144 | select CRYPTO_CTR | |
145 | select CRYPTO_AEAD | |
1da177e4 | 146 | help |
584fffc8 | 147 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 148 | |
584fffc8 SS |
149 | config CRYPTO_GCM |
150 | tristate "GCM/GMAC support" | |
151 | select CRYPTO_CTR | |
152 | select CRYPTO_AEAD | |
153 | select CRYPTO_GF128MUL | |
1da177e4 | 154 | help |
584fffc8 SS |
155 | Support for Galois/Counter Mode (GCM) and Galois Message |
156 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 157 | |
584fffc8 SS |
158 | config CRYPTO_SEQIV |
159 | tristate "Sequence Number IV Generator" | |
160 | select CRYPTO_AEAD | |
161 | select CRYPTO_BLKCIPHER | |
a0f000ec | 162 | select CRYPTO_RNG |
1da177e4 | 163 | help |
584fffc8 SS |
164 | This IV generator generates an IV based on a sequence number by |
165 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 166 | |
584fffc8 | 167 | comment "Block modes" |
c494e070 | 168 | |
584fffc8 SS |
169 | config CRYPTO_CBC |
170 | tristate "CBC support" | |
db131ef9 | 171 | select CRYPTO_BLKCIPHER |
43518407 | 172 | select CRYPTO_MANAGER |
db131ef9 | 173 | help |
584fffc8 SS |
174 | CBC: Cipher Block Chaining mode |
175 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 176 | |
584fffc8 SS |
177 | config CRYPTO_CTR |
178 | tristate "CTR support" | |
db131ef9 | 179 | select CRYPTO_BLKCIPHER |
584fffc8 | 180 | select CRYPTO_SEQIV |
43518407 | 181 | select CRYPTO_MANAGER |
db131ef9 | 182 | help |
584fffc8 | 183 | CTR: Counter mode |
db131ef9 HX |
184 | This block cipher algorithm is required for IPSec. |
185 | ||
584fffc8 SS |
186 | config CRYPTO_CTS |
187 | tristate "CTS support" | |
188 | select CRYPTO_BLKCIPHER | |
189 | help | |
190 | CTS: Cipher Text Stealing | |
191 | This is the Cipher Text Stealing mode as described by | |
192 | Section 8 of rfc2040 and referenced by rfc3962. | |
193 | (rfc3962 includes errata information in its Appendix A) | |
194 | This mode is required for Kerberos gss mechanism support | |
195 | for AES encryption. | |
196 | ||
197 | config CRYPTO_ECB | |
198 | tristate "ECB support" | |
91652be5 DH |
199 | select CRYPTO_BLKCIPHER |
200 | select CRYPTO_MANAGER | |
91652be5 | 201 | help |
584fffc8 SS |
202 | ECB: Electronic CodeBook mode |
203 | This is the simplest block cipher algorithm. It simply encrypts | |
204 | the input block by block. | |
91652be5 | 205 | |
64470f1b RS |
206 | config CRYPTO_LRW |
207 | tristate "LRW support (EXPERIMENTAL)" | |
208 | depends on EXPERIMENTAL | |
209 | select CRYPTO_BLKCIPHER | |
210 | select CRYPTO_MANAGER | |
211 | select CRYPTO_GF128MUL | |
212 | help | |
213 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
214 | narrow block cipher mode for dm-crypt. Use it with cipher | |
215 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
216 | The first 128, 192 or 256 bits in the key are used for AES and the | |
217 | rest is used to tie each cipher block to its logical position. | |
218 | ||
584fffc8 SS |
219 | config CRYPTO_PCBC |
220 | tristate "PCBC support" | |
221 | select CRYPTO_BLKCIPHER | |
222 | select CRYPTO_MANAGER | |
223 | help | |
224 | PCBC: Propagating Cipher Block Chaining mode | |
225 | This block cipher algorithm is required for RxRPC. | |
226 | ||
f19f5111 RS |
227 | config CRYPTO_XTS |
228 | tristate "XTS support (EXPERIMENTAL)" | |
229 | depends on EXPERIMENTAL | |
230 | select CRYPTO_BLKCIPHER | |
231 | select CRYPTO_MANAGER | |
232 | select CRYPTO_GF128MUL | |
233 | help | |
234 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
235 | key size 256, 384 or 512 bits. This implementation currently | |
236 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
237 | ||
584fffc8 SS |
238 | comment "Hash modes" |
239 | ||
240 | config CRYPTO_HMAC | |
241 | tristate "HMAC support" | |
242 | select CRYPTO_HASH | |
23e353c8 | 243 | select CRYPTO_MANAGER |
23e353c8 | 244 | help |
584fffc8 SS |
245 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
246 | This is required for IPSec. | |
23e353c8 | 247 | |
584fffc8 SS |
248 | config CRYPTO_XCBC |
249 | tristate "XCBC support" | |
250 | depends on EXPERIMENTAL | |
251 | select CRYPTO_HASH | |
252 | select CRYPTO_MANAGER | |
76cb9521 | 253 | help |
584fffc8 SS |
254 | XCBC: Keyed-Hashing with encryption algorithm |
255 | http://www.ietf.org/rfc/rfc3566.txt | |
256 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
257 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 258 | |
584fffc8 | 259 | comment "Digest" |
28db8e3e | 260 | |
584fffc8 SS |
261 | config CRYPTO_CRC32C |
262 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 263 | select CRYPTO_HASH |
4a49b499 | 264 | help |
584fffc8 SS |
265 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
266 | by iSCSI for header and data digests and by others. | |
69c35efc | 267 | See Castagnoli93. Module will be crc32c. |
4a49b499 | 268 | |
8cb51ba8 AZ |
269 | config CRYPTO_CRC32C_INTEL |
270 | tristate "CRC32c INTEL hardware acceleration" | |
271 | depends on X86 | |
272 | select CRYPTO_HASH | |
273 | help | |
274 | In Intel processor with SSE4.2 supported, the processor will | |
275 | support CRC32C implementation using hardware accelerated CRC32 | |
276 | instruction. This option will create 'crc32c-intel' module, | |
277 | which will enable any routine to use the CRC32 instruction to | |
278 | gain performance compared with software implementation. | |
279 | Module will be crc32c-intel. | |
280 | ||
584fffc8 SS |
281 | config CRYPTO_MD4 |
282 | tristate "MD4 digest algorithm" | |
808a1763 | 283 | select CRYPTO_HASH |
124b53d0 | 284 | help |
584fffc8 | 285 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 286 | |
584fffc8 SS |
287 | config CRYPTO_MD5 |
288 | tristate "MD5 digest algorithm" | |
14b75ba7 | 289 | select CRYPTO_HASH |
1da177e4 | 290 | help |
584fffc8 | 291 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 292 | |
584fffc8 SS |
293 | config CRYPTO_MICHAEL_MIC |
294 | tristate "Michael MIC keyed digest algorithm" | |
19e2bf14 | 295 | select CRYPTO_HASH |
90831639 | 296 | help |
584fffc8 SS |
297 | Michael MIC is used for message integrity protection in TKIP |
298 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
299 | should not be used for other purposes because of the weakness | |
300 | of the algorithm. | |
90831639 | 301 | |
82798f90 | 302 | config CRYPTO_RMD128 |
b6d44341 | 303 | tristate "RIPEMD-128 digest algorithm" |
7c4468bc | 304 | select CRYPTO_HASH |
b6d44341 AB |
305 | help |
306 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 307 | |
b6d44341 AB |
308 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
309 | to be used as a secure replacement for RIPEMD. For other use cases | |
310 | RIPEMD-160 should be used. | |
82798f90 | 311 | |
b6d44341 AB |
312 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
313 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 AKR |
314 | |
315 | config CRYPTO_RMD160 | |
b6d44341 | 316 | tristate "RIPEMD-160 digest algorithm" |
e5835fba | 317 | select CRYPTO_HASH |
b6d44341 AB |
318 | help |
319 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 320 | |
b6d44341 AB |
321 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
322 | to be used as a secure replacement for the 128-bit hash functions | |
323 | MD4, MD5 and it's predecessor RIPEMD | |
324 | (not to be confused with RIPEMD-128). | |
82798f90 | 325 | |
b6d44341 AB |
326 | It's speed is comparable to SHA1 and there are no known attacks |
327 | against RIPEMD-160. | |
534fe2c1 | 328 | |
b6d44341 AB |
329 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
330 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
331 | |
332 | config CRYPTO_RMD256 | |
b6d44341 | 333 | tristate "RIPEMD-256 digest algorithm" |
d8a5e2e9 | 334 | select CRYPTO_HASH |
b6d44341 AB |
335 | help |
336 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
337 | 256 bit hash. It is intended for applications that require | |
338 | longer hash-results, without needing a larger security level | |
339 | (than RIPEMD-128). | |
534fe2c1 | 340 | |
b6d44341 AB |
341 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
342 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
343 | |
344 | config CRYPTO_RMD320 | |
b6d44341 | 345 | tristate "RIPEMD-320 digest algorithm" |
3b8efb4c | 346 | select CRYPTO_HASH |
b6d44341 AB |
347 | help |
348 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
349 | 320 bit hash. It is intended for applications that require | |
350 | longer hash-results, without needing a larger security level | |
351 | (than RIPEMD-160). | |
534fe2c1 | 352 | |
b6d44341 AB |
353 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
354 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 | 355 | |
584fffc8 SS |
356 | config CRYPTO_SHA1 |
357 | tristate "SHA1 digest algorithm" | |
54ccb367 | 358 | select CRYPTO_HASH |
1da177e4 | 359 | help |
584fffc8 | 360 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 361 | |
584fffc8 SS |
362 | config CRYPTO_SHA256 |
363 | tristate "SHA224 and SHA256 digest algorithm" | |
50e109b5 | 364 | select CRYPTO_HASH |
1da177e4 | 365 | help |
584fffc8 | 366 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 367 | |
584fffc8 SS |
368 | This version of SHA implements a 256 bit hash with 128 bits of |
369 | security against collision attacks. | |
2729bb42 | 370 | |
b6d44341 AB |
371 | This code also includes SHA-224, a 224 bit hash with 112 bits |
372 | of security against collision attacks. | |
584fffc8 SS |
373 | |
374 | config CRYPTO_SHA512 | |
375 | tristate "SHA384 and SHA512 digest algorithms" | |
bd9d20db | 376 | select CRYPTO_HASH |
b9f535ff | 377 | help |
584fffc8 | 378 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 379 | |
584fffc8 SS |
380 | This version of SHA implements a 512 bit hash with 256 bits of |
381 | security against collision attacks. | |
b9f535ff | 382 | |
584fffc8 SS |
383 | This code also includes SHA-384, a 384 bit hash with 192 bits |
384 | of security against collision attacks. | |
b9f535ff | 385 | |
584fffc8 SS |
386 | config CRYPTO_TGR192 |
387 | tristate "Tiger digest algorithms" | |
f63fbd3d | 388 | select CRYPTO_HASH |
eaf44088 | 389 | help |
584fffc8 | 390 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 391 | |
584fffc8 SS |
392 | Tiger is a hash function optimized for 64-bit processors while |
393 | still having decent performance on 32-bit processors. | |
394 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
395 | |
396 | See also: | |
584fffc8 | 397 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 398 | |
584fffc8 SS |
399 | config CRYPTO_WP512 |
400 | tristate "Whirlpool digest algorithms" | |
4946510b | 401 | select CRYPTO_HASH |
1da177e4 | 402 | help |
584fffc8 | 403 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 404 | |
584fffc8 SS |
405 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
406 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
407 | |
408 | See also: | |
584fffc8 SS |
409 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> |
410 | ||
411 | comment "Ciphers" | |
1da177e4 LT |
412 | |
413 | config CRYPTO_AES | |
414 | tristate "AES cipher algorithms" | |
cce9e06d | 415 | select CRYPTO_ALGAPI |
1da177e4 | 416 | help |
584fffc8 | 417 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
418 | algorithm. |
419 | ||
420 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
421 | both hardware and software across a wide range of computing |
422 | environments regardless of its use in feedback or non-feedback | |
423 | modes. Its key setup time is excellent, and its key agility is | |
424 | good. Rijndael's very low memory requirements make it very well | |
425 | suited for restricted-space environments, in which it also | |
426 | demonstrates excellent performance. Rijndael's operations are | |
427 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 428 | |
584fffc8 | 429 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
430 | |
431 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
432 | ||
433 | config CRYPTO_AES_586 | |
434 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
435 | depends on (X86 || UML_X86) && !64BIT |
436 | select CRYPTO_ALGAPI | |
5157dea8 | 437 | select CRYPTO_AES |
1da177e4 | 438 | help |
584fffc8 | 439 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
440 | algorithm. |
441 | ||
442 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
443 | both hardware and software across a wide range of computing |
444 | environments regardless of its use in feedback or non-feedback | |
445 | modes. Its key setup time is excellent, and its key agility is | |
446 | good. Rijndael's very low memory requirements make it very well | |
447 | suited for restricted-space environments, in which it also | |
448 | demonstrates excellent performance. Rijndael's operations are | |
449 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 450 | |
584fffc8 | 451 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
452 | |
453 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
454 | ||
455 | config CRYPTO_AES_X86_64 | |
456 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
457 | depends on (X86 || UML_X86) && 64BIT |
458 | select CRYPTO_ALGAPI | |
81190b32 | 459 | select CRYPTO_AES |
a2a892a2 | 460 | help |
584fffc8 | 461 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
462 | algorithm. |
463 | ||
464 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
465 | both hardware and software across a wide range of computing |
466 | environments regardless of its use in feedback or non-feedback | |
467 | modes. Its key setup time is excellent, and its key agility is | |
54b6a1bd HY |
468 | good. Rijndael's very low memory requirements make it very well |
469 | suited for restricted-space environments, in which it also | |
470 | demonstrates excellent performance. Rijndael's operations are | |
471 | among the easiest to defend against power and timing attacks. | |
472 | ||
473 | The AES specifies three key sizes: 128, 192 and 256 bits | |
474 | ||
475 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
476 | ||
477 | config CRYPTO_AES_NI_INTEL | |
478 | tristate "AES cipher algorithms (AES-NI)" | |
479 | depends on (X86 || UML_X86) && 64BIT | |
480 | select CRYPTO_AES_X86_64 | |
481 | select CRYPTO_CRYPTD | |
482 | select CRYPTO_ALGAPI | |
483 | help | |
484 | Use Intel AES-NI instructions for AES algorithm. | |
485 | ||
486 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
487 | algorithm. | |
488 | ||
489 | Rijndael appears to be consistently a very good performer in | |
490 | both hardware and software across a wide range of computing | |
491 | environments regardless of its use in feedback or non-feedback | |
492 | modes. Its key setup time is excellent, and its key agility is | |
584fffc8 SS |
493 | good. Rijndael's very low memory requirements make it very well |
494 | suited for restricted-space environments, in which it also | |
495 | demonstrates excellent performance. Rijndael's operations are | |
496 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 497 | |
584fffc8 | 498 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
499 | |
500 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
501 | ||
584fffc8 SS |
502 | config CRYPTO_ANUBIS |
503 | tristate "Anubis cipher algorithm" | |
504 | select CRYPTO_ALGAPI | |
505 | help | |
506 | Anubis cipher algorithm. | |
507 | ||
508 | Anubis is a variable key length cipher which can use keys from | |
509 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
510 | in the NESSIE competition. | |
511 | ||
512 | See also: | |
513 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
514 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
515 | ||
516 | config CRYPTO_ARC4 | |
517 | tristate "ARC4 cipher algorithm" | |
518 | select CRYPTO_ALGAPI | |
519 | help | |
520 | ARC4 cipher algorithm. | |
521 | ||
522 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
523 | bits in length. This algorithm is required for driver-based | |
524 | WEP, but it should not be for other purposes because of the | |
525 | weakness of the algorithm. | |
526 | ||
527 | config CRYPTO_BLOWFISH | |
528 | tristate "Blowfish cipher algorithm" | |
529 | select CRYPTO_ALGAPI | |
530 | help | |
531 | Blowfish cipher algorithm, by Bruce Schneier. | |
532 | ||
533 | This is a variable key length cipher which can use keys from 32 | |
534 | bits to 448 bits in length. It's fast, simple and specifically | |
535 | designed for use on "large microprocessors". | |
536 | ||
537 | See also: | |
538 | <http://www.schneier.com/blowfish.html> | |
539 | ||
540 | config CRYPTO_CAMELLIA | |
541 | tristate "Camellia cipher algorithms" | |
542 | depends on CRYPTO | |
543 | select CRYPTO_ALGAPI | |
544 | help | |
545 | Camellia cipher algorithms module. | |
546 | ||
547 | Camellia is a symmetric key block cipher developed jointly | |
548 | at NTT and Mitsubishi Electric Corporation. | |
549 | ||
550 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
551 | ||
552 | See also: | |
553 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
554 | ||
1da177e4 LT |
555 | config CRYPTO_CAST5 |
556 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 557 | select CRYPTO_ALGAPI |
1da177e4 LT |
558 | help |
559 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
560 | described in RFC2144. | |
561 | ||
562 | config CRYPTO_CAST6 | |
563 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 564 | select CRYPTO_ALGAPI |
1da177e4 LT |
565 | help |
566 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
567 | described in RFC2612. | |
568 | ||
584fffc8 SS |
569 | config CRYPTO_DES |
570 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 571 | select CRYPTO_ALGAPI |
1da177e4 | 572 | help |
584fffc8 | 573 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 574 | |
584fffc8 SS |
575 | config CRYPTO_FCRYPT |
576 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 577 | select CRYPTO_ALGAPI |
584fffc8 | 578 | select CRYPTO_BLKCIPHER |
1da177e4 | 579 | help |
584fffc8 | 580 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
581 | |
582 | config CRYPTO_KHAZAD | |
583 | tristate "Khazad cipher algorithm" | |
cce9e06d | 584 | select CRYPTO_ALGAPI |
1da177e4 LT |
585 | help |
586 | Khazad cipher algorithm. | |
587 | ||
588 | Khazad was a finalist in the initial NESSIE competition. It is | |
589 | an algorithm optimized for 64-bit processors with good performance | |
590 | on 32-bit processors. Khazad uses an 128 bit key size. | |
591 | ||
592 | See also: | |
593 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
594 | ||
2407d608 TSH |
595 | config CRYPTO_SALSA20 |
596 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
597 | depends on EXPERIMENTAL | |
598 | select CRYPTO_BLKCIPHER | |
599 | help | |
600 | Salsa20 stream cipher algorithm. | |
601 | ||
602 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
603 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
604 | |
605 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
606 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
607 | ||
608 | config CRYPTO_SALSA20_586 | |
609 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
610 | depends on (X86 || UML_X86) && !64BIT | |
611 | depends on EXPERIMENTAL | |
612 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
613 | help |
614 | Salsa20 stream cipher algorithm. | |
615 | ||
616 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
617 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
618 | |
619 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
620 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
621 | ||
622 | config CRYPTO_SALSA20_X86_64 | |
623 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
624 | depends on (X86 || UML_X86) && 64BIT | |
625 | depends on EXPERIMENTAL | |
626 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
627 | help |
628 | Salsa20 stream cipher algorithm. | |
629 | ||
630 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
631 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
632 | |
633 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
634 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 635 | |
584fffc8 SS |
636 | config CRYPTO_SEED |
637 | tristate "SEED cipher algorithm" | |
cce9e06d | 638 | select CRYPTO_ALGAPI |
1da177e4 | 639 | help |
584fffc8 | 640 | SEED cipher algorithm (RFC4269). |
1da177e4 | 641 | |
584fffc8 SS |
642 | SEED is a 128-bit symmetric key block cipher that has been |
643 | developed by KISA (Korea Information Security Agency) as a | |
644 | national standard encryption algorithm of the Republic of Korea. | |
645 | It is a 16 round block cipher with the key size of 128 bit. | |
646 | ||
647 | See also: | |
648 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
649 | ||
650 | config CRYPTO_SERPENT | |
651 | tristate "Serpent cipher algorithm" | |
cce9e06d | 652 | select CRYPTO_ALGAPI |
1da177e4 | 653 | help |
584fffc8 | 654 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 655 | |
584fffc8 SS |
656 | Keys are allowed to be from 0 to 256 bits in length, in steps |
657 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
658 | variant of Serpent for compatibility with old kerneli.org code. | |
659 | ||
660 | See also: | |
661 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
662 | ||
663 | config CRYPTO_TEA | |
664 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 665 | select CRYPTO_ALGAPI |
1da177e4 | 666 | help |
584fffc8 | 667 | TEA cipher algorithm. |
1da177e4 | 668 | |
584fffc8 SS |
669 | Tiny Encryption Algorithm is a simple cipher that uses |
670 | many rounds for security. It is very fast and uses | |
671 | little memory. | |
672 | ||
673 | Xtendend Tiny Encryption Algorithm is a modification to | |
674 | the TEA algorithm to address a potential key weakness | |
675 | in the TEA algorithm. | |
676 | ||
677 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
678 | of the XTEA algorithm for compatibility purposes. | |
679 | ||
680 | config CRYPTO_TWOFISH | |
681 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 682 | select CRYPTO_ALGAPI |
584fffc8 | 683 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 684 | help |
584fffc8 | 685 | Twofish cipher algorithm. |
04ac7db3 | 686 | |
584fffc8 SS |
687 | Twofish was submitted as an AES (Advanced Encryption Standard) |
688 | candidate cipher by researchers at CounterPane Systems. It is a | |
689 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
690 | bits. | |
04ac7db3 | 691 | |
584fffc8 SS |
692 | See also: |
693 | <http://www.schneier.com/twofish.html> | |
694 | ||
695 | config CRYPTO_TWOFISH_COMMON | |
696 | tristate | |
697 | help | |
698 | Common parts of the Twofish cipher algorithm shared by the | |
699 | generic c and the assembler implementations. | |
700 | ||
701 | config CRYPTO_TWOFISH_586 | |
702 | tristate "Twofish cipher algorithms (i586)" | |
703 | depends on (X86 || UML_X86) && !64BIT | |
704 | select CRYPTO_ALGAPI | |
705 | select CRYPTO_TWOFISH_COMMON | |
706 | help | |
707 | Twofish cipher algorithm. | |
708 | ||
709 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
710 | candidate cipher by researchers at CounterPane Systems. It is a | |
711 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
712 | bits. | |
04ac7db3 NT |
713 | |
714 | See also: | |
584fffc8 | 715 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 716 | |
584fffc8 SS |
717 | config CRYPTO_TWOFISH_X86_64 |
718 | tristate "Twofish cipher algorithm (x86_64)" | |
719 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 720 | select CRYPTO_ALGAPI |
584fffc8 | 721 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 722 | help |
584fffc8 | 723 | Twofish cipher algorithm (x86_64). |
1da177e4 | 724 | |
584fffc8 SS |
725 | Twofish was submitted as an AES (Advanced Encryption Standard) |
726 | candidate cipher by researchers at CounterPane Systems. It is a | |
727 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
728 | bits. | |
729 | ||
730 | See also: | |
731 | <http://www.schneier.com/twofish.html> | |
732 | ||
733 | comment "Compression" | |
734 | ||
735 | config CRYPTO_DEFLATE | |
736 | tristate "Deflate compression algorithm" | |
737 | select CRYPTO_ALGAPI | |
738 | select ZLIB_INFLATE | |
739 | select ZLIB_DEFLATE | |
3c09f17c | 740 | help |
584fffc8 SS |
741 | This is the Deflate algorithm (RFC1951), specified for use in |
742 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
743 | ||
744 | You will most probably want this if using IPSec. | |
3c09f17c | 745 | |
0b77abb3 ZS |
746 | config CRYPTO_LZO |
747 | tristate "LZO compression algorithm" | |
748 | select CRYPTO_ALGAPI | |
749 | select LZO_COMPRESS | |
750 | select LZO_DECOMPRESS | |
751 | help | |
752 | This is the LZO algorithm. | |
753 | ||
17f0f4a4 NH |
754 | comment "Random Number Generation" |
755 | ||
756 | config CRYPTO_ANSI_CPRNG | |
757 | tristate "Pseudo Random Number Generation for Cryptographic modules" | |
758 | select CRYPTO_AES | |
759 | select CRYPTO_RNG | |
760 | select CRYPTO_FIPS | |
761 | help | |
762 | This option enables the generic pseudo random number generator | |
763 | for cryptographic modules. Uses the Algorithm specified in | |
764 | ANSI X9.31 A.2.4 | |
765 | ||
1da177e4 | 766 | source "drivers/crypto/Kconfig" |
1da177e4 | 767 | |
cce9e06d | 768 | endif # if CRYPTO |