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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" | |
4e4ed83b | 26 | depends on 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 | |
4e4ed83b NH |
31 | this is. Note that CRYPTO_ANSI_CPRNG is requred if this |
32 | option is selected | |
ccb778e1 | 33 | |
cce9e06d HX |
34 | config CRYPTO_ALGAPI |
35 | tristate | |
6a0fcbb4 | 36 | select CRYPTO_ALGAPI2 |
cce9e06d HX |
37 | help |
38 | This option provides the API for cryptographic algorithms. | |
39 | ||
6a0fcbb4 HX |
40 | config CRYPTO_ALGAPI2 |
41 | tristate | |
42 | ||
1ae97820 HX |
43 | config CRYPTO_AEAD |
44 | tristate | |
6a0fcbb4 | 45 | select CRYPTO_AEAD2 |
1ae97820 HX |
46 | select CRYPTO_ALGAPI |
47 | ||
6a0fcbb4 HX |
48 | config CRYPTO_AEAD2 |
49 | tristate | |
50 | select CRYPTO_ALGAPI2 | |
51 | ||
5cde0af2 HX |
52 | config CRYPTO_BLKCIPHER |
53 | tristate | |
6a0fcbb4 | 54 | select CRYPTO_BLKCIPHER2 |
5cde0af2 | 55 | select CRYPTO_ALGAPI |
6a0fcbb4 HX |
56 | |
57 | config CRYPTO_BLKCIPHER2 | |
58 | tristate | |
59 | select CRYPTO_ALGAPI2 | |
60 | select CRYPTO_RNG2 | |
0a2e821d | 61 | select CRYPTO_WORKQUEUE |
5cde0af2 | 62 | |
055bcee3 HX |
63 | config CRYPTO_HASH |
64 | tristate | |
6a0fcbb4 | 65 | select CRYPTO_HASH2 |
055bcee3 HX |
66 | select CRYPTO_ALGAPI |
67 | ||
6a0fcbb4 HX |
68 | config CRYPTO_HASH2 |
69 | tristate | |
70 | select CRYPTO_ALGAPI2 | |
71 | ||
17f0f4a4 NH |
72 | config CRYPTO_RNG |
73 | tristate | |
6a0fcbb4 | 74 | select CRYPTO_RNG2 |
17f0f4a4 NH |
75 | select CRYPTO_ALGAPI |
76 | ||
6a0fcbb4 HX |
77 | config CRYPTO_RNG2 |
78 | tristate | |
79 | select CRYPTO_ALGAPI2 | |
80 | ||
a1d2f095 GU |
81 | config CRYPTO_PCOMP |
82 | tristate | |
83 | select CRYPTO_ALGAPI2 | |
84 | ||
2b8c19db HX |
85 | config CRYPTO_MANAGER |
86 | tristate "Cryptographic algorithm manager" | |
6a0fcbb4 | 87 | select CRYPTO_MANAGER2 |
2b8c19db HX |
88 | help |
89 | Create default cryptographic template instantiations such as | |
90 | cbc(aes). | |
91 | ||
6a0fcbb4 HX |
92 | config CRYPTO_MANAGER2 |
93 | def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) | |
94 | select CRYPTO_AEAD2 | |
95 | select CRYPTO_HASH2 | |
96 | select CRYPTO_BLKCIPHER2 | |
0c01aed5 | 97 | select CRYPTO_PCOMP |
6a0fcbb4 | 98 | |
584fffc8 SS |
99 | config CRYPTO_GF128MUL |
100 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
333b0d7e | 101 | depends on EXPERIMENTAL |
333b0d7e | 102 | help |
584fffc8 SS |
103 | Efficient table driven implementation of multiplications in the |
104 | field GF(2^128). This is needed by some cypher modes. This | |
105 | option will be selected automatically if you select such a | |
106 | cipher mode. Only select this option by hand if you expect to load | |
107 | an external module that requires these functions. | |
333b0d7e | 108 | |
1da177e4 LT |
109 | config CRYPTO_NULL |
110 | tristate "Null algorithms" | |
cce9e06d | 111 | select CRYPTO_ALGAPI |
c8620c25 | 112 | select CRYPTO_BLKCIPHER |
d35d2454 | 113 | select CRYPTO_HASH |
1da177e4 LT |
114 | help |
115 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
116 | ||
25c38d3f HY |
117 | config CRYPTO_WORKQUEUE |
118 | tristate | |
119 | ||
584fffc8 SS |
120 | config CRYPTO_CRYPTD |
121 | tristate "Software async crypto daemon" | |
122 | select CRYPTO_BLKCIPHER | |
b8a28251 | 123 | select CRYPTO_HASH |
584fffc8 | 124 | select CRYPTO_MANAGER |
254eff77 | 125 | select CRYPTO_WORKQUEUE |
1da177e4 | 126 | help |
584fffc8 SS |
127 | This is a generic software asynchronous crypto daemon that |
128 | converts an arbitrary synchronous software crypto algorithm | |
129 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 130 | |
584fffc8 SS |
131 | config CRYPTO_AUTHENC |
132 | tristate "Authenc support" | |
133 | select CRYPTO_AEAD | |
134 | select CRYPTO_BLKCIPHER | |
135 | select CRYPTO_MANAGER | |
136 | select CRYPTO_HASH | |
1da177e4 | 137 | help |
584fffc8 SS |
138 | Authenc: Combined mode wrapper for IPsec. |
139 | This is required for IPSec. | |
1da177e4 | 140 | |
584fffc8 SS |
141 | config CRYPTO_TEST |
142 | tristate "Testing module" | |
143 | depends on m | |
da7f033d | 144 | select CRYPTO_MANAGER |
1da177e4 | 145 | help |
584fffc8 | 146 | Quick & dirty crypto test module. |
1da177e4 | 147 | |
584fffc8 | 148 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 149 | |
584fffc8 SS |
150 | config CRYPTO_CCM |
151 | tristate "CCM support" | |
152 | select CRYPTO_CTR | |
153 | select CRYPTO_AEAD | |
1da177e4 | 154 | help |
584fffc8 | 155 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 156 | |
584fffc8 SS |
157 | config CRYPTO_GCM |
158 | tristate "GCM/GMAC support" | |
159 | select CRYPTO_CTR | |
160 | select CRYPTO_AEAD | |
9382d97a | 161 | select CRYPTO_GHASH |
1da177e4 | 162 | help |
584fffc8 SS |
163 | Support for Galois/Counter Mode (GCM) and Galois Message |
164 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 165 | |
584fffc8 SS |
166 | config CRYPTO_SEQIV |
167 | tristate "Sequence Number IV Generator" | |
168 | select CRYPTO_AEAD | |
169 | select CRYPTO_BLKCIPHER | |
a0f000ec | 170 | select CRYPTO_RNG |
1da177e4 | 171 | help |
584fffc8 SS |
172 | This IV generator generates an IV based on a sequence number by |
173 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 174 | |
584fffc8 | 175 | comment "Block modes" |
c494e070 | 176 | |
584fffc8 SS |
177 | config CRYPTO_CBC |
178 | tristate "CBC support" | |
db131ef9 | 179 | select CRYPTO_BLKCIPHER |
43518407 | 180 | select CRYPTO_MANAGER |
db131ef9 | 181 | help |
584fffc8 SS |
182 | CBC: Cipher Block Chaining mode |
183 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 184 | |
584fffc8 SS |
185 | config CRYPTO_CTR |
186 | tristate "CTR support" | |
db131ef9 | 187 | select CRYPTO_BLKCIPHER |
584fffc8 | 188 | select CRYPTO_SEQIV |
43518407 | 189 | select CRYPTO_MANAGER |
db131ef9 | 190 | help |
584fffc8 | 191 | CTR: Counter mode |
db131ef9 HX |
192 | This block cipher algorithm is required for IPSec. |
193 | ||
584fffc8 SS |
194 | config CRYPTO_CTS |
195 | tristate "CTS support" | |
196 | select CRYPTO_BLKCIPHER | |
197 | help | |
198 | CTS: Cipher Text Stealing | |
199 | This is the Cipher Text Stealing mode as described by | |
200 | Section 8 of rfc2040 and referenced by rfc3962. | |
201 | (rfc3962 includes errata information in its Appendix A) | |
202 | This mode is required for Kerberos gss mechanism support | |
203 | for AES encryption. | |
204 | ||
205 | config CRYPTO_ECB | |
206 | tristate "ECB support" | |
91652be5 DH |
207 | select CRYPTO_BLKCIPHER |
208 | select CRYPTO_MANAGER | |
91652be5 | 209 | help |
584fffc8 SS |
210 | ECB: Electronic CodeBook mode |
211 | This is the simplest block cipher algorithm. It simply encrypts | |
212 | the input block by block. | |
91652be5 | 213 | |
64470f1b RS |
214 | config CRYPTO_LRW |
215 | tristate "LRW support (EXPERIMENTAL)" | |
216 | depends on EXPERIMENTAL | |
217 | select CRYPTO_BLKCIPHER | |
218 | select CRYPTO_MANAGER | |
219 | select CRYPTO_GF128MUL | |
220 | help | |
221 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
222 | narrow block cipher mode for dm-crypt. Use it with cipher | |
223 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
224 | The first 128, 192 or 256 bits in the key are used for AES and the | |
225 | rest is used to tie each cipher block to its logical position. | |
226 | ||
584fffc8 SS |
227 | config CRYPTO_PCBC |
228 | tristate "PCBC support" | |
229 | select CRYPTO_BLKCIPHER | |
230 | select CRYPTO_MANAGER | |
231 | help | |
232 | PCBC: Propagating Cipher Block Chaining mode | |
233 | This block cipher algorithm is required for RxRPC. | |
234 | ||
f19f5111 RS |
235 | config CRYPTO_XTS |
236 | tristate "XTS support (EXPERIMENTAL)" | |
237 | depends on EXPERIMENTAL | |
238 | select CRYPTO_BLKCIPHER | |
239 | select CRYPTO_MANAGER | |
240 | select CRYPTO_GF128MUL | |
241 | help | |
242 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
243 | key size 256, 384 or 512 bits. This implementation currently | |
244 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
245 | ||
150c7e85 HY |
246 | config CRYPTO_FPU |
247 | tristate | |
248 | select CRYPTO_BLKCIPHER | |
249 | select CRYPTO_MANAGER | |
250 | ||
584fffc8 SS |
251 | comment "Hash modes" |
252 | ||
253 | config CRYPTO_HMAC | |
254 | tristate "HMAC support" | |
255 | select CRYPTO_HASH | |
23e353c8 | 256 | select CRYPTO_MANAGER |
23e353c8 | 257 | help |
584fffc8 SS |
258 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
259 | This is required for IPSec. | |
23e353c8 | 260 | |
584fffc8 SS |
261 | config CRYPTO_XCBC |
262 | tristate "XCBC support" | |
263 | depends on EXPERIMENTAL | |
264 | select CRYPTO_HASH | |
265 | select CRYPTO_MANAGER | |
76cb9521 | 266 | help |
584fffc8 SS |
267 | XCBC: Keyed-Hashing with encryption algorithm |
268 | http://www.ietf.org/rfc/rfc3566.txt | |
269 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
270 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 271 | |
584fffc8 | 272 | comment "Digest" |
28db8e3e | 273 | |
584fffc8 SS |
274 | config CRYPTO_CRC32C |
275 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 276 | select CRYPTO_HASH |
4a49b499 | 277 | help |
584fffc8 SS |
278 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
279 | by iSCSI for header and data digests and by others. | |
69c35efc | 280 | See Castagnoli93. Module will be crc32c. |
4a49b499 | 281 | |
8cb51ba8 AZ |
282 | config CRYPTO_CRC32C_INTEL |
283 | tristate "CRC32c INTEL hardware acceleration" | |
284 | depends on X86 | |
285 | select CRYPTO_HASH | |
286 | help | |
287 | In Intel processor with SSE4.2 supported, the processor will | |
288 | support CRC32C implementation using hardware accelerated CRC32 | |
289 | instruction. This option will create 'crc32c-intel' module, | |
290 | which will enable any routine to use the CRC32 instruction to | |
291 | gain performance compared with software implementation. | |
292 | Module will be crc32c-intel. | |
293 | ||
2cdc6899 HY |
294 | config CRYPTO_GHASH |
295 | tristate "GHASH digest algorithm" | |
296 | select CRYPTO_SHASH | |
297 | select CRYPTO_GF128MUL | |
298 | help | |
299 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
300 | ||
584fffc8 SS |
301 | config CRYPTO_MD4 |
302 | tristate "MD4 digest algorithm" | |
808a1763 | 303 | select CRYPTO_HASH |
124b53d0 | 304 | help |
584fffc8 | 305 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 306 | |
584fffc8 SS |
307 | config CRYPTO_MD5 |
308 | tristate "MD5 digest algorithm" | |
14b75ba7 | 309 | select CRYPTO_HASH |
1da177e4 | 310 | help |
584fffc8 | 311 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 312 | |
584fffc8 SS |
313 | config CRYPTO_MICHAEL_MIC |
314 | tristate "Michael MIC keyed digest algorithm" | |
19e2bf14 | 315 | select CRYPTO_HASH |
90831639 | 316 | help |
584fffc8 SS |
317 | Michael MIC is used for message integrity protection in TKIP |
318 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
319 | should not be used for other purposes because of the weakness | |
320 | of the algorithm. | |
90831639 | 321 | |
82798f90 | 322 | config CRYPTO_RMD128 |
b6d44341 | 323 | tristate "RIPEMD-128 digest algorithm" |
7c4468bc | 324 | select CRYPTO_HASH |
b6d44341 AB |
325 | help |
326 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 327 | |
b6d44341 AB |
328 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
329 | to be used as a secure replacement for RIPEMD. For other use cases | |
330 | RIPEMD-160 should be used. | |
82798f90 | 331 | |
b6d44341 AB |
332 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
333 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 AKR |
334 | |
335 | config CRYPTO_RMD160 | |
b6d44341 | 336 | tristate "RIPEMD-160 digest algorithm" |
e5835fba | 337 | select CRYPTO_HASH |
b6d44341 AB |
338 | help |
339 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 340 | |
b6d44341 AB |
341 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
342 | to be used as a secure replacement for the 128-bit hash functions | |
343 | MD4, MD5 and it's predecessor RIPEMD | |
344 | (not to be confused with RIPEMD-128). | |
82798f90 | 345 | |
b6d44341 AB |
346 | It's speed is comparable to SHA1 and there are no known attacks |
347 | against RIPEMD-160. | |
534fe2c1 | 348 | |
b6d44341 AB |
349 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
350 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
351 | |
352 | config CRYPTO_RMD256 | |
b6d44341 | 353 | tristate "RIPEMD-256 digest algorithm" |
d8a5e2e9 | 354 | select CRYPTO_HASH |
b6d44341 AB |
355 | help |
356 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
357 | 256 bit hash. It is intended for applications that require | |
358 | longer hash-results, without needing a larger security level | |
359 | (than RIPEMD-128). | |
534fe2c1 | 360 | |
b6d44341 AB |
361 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
362 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
363 | |
364 | config CRYPTO_RMD320 | |
b6d44341 | 365 | tristate "RIPEMD-320 digest algorithm" |
3b8efb4c | 366 | select CRYPTO_HASH |
b6d44341 AB |
367 | help |
368 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
369 | 320 bit hash. It is intended for applications that require | |
370 | longer hash-results, without needing a larger security level | |
371 | (than RIPEMD-160). | |
534fe2c1 | 372 | |
b6d44341 AB |
373 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
374 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 | 375 | |
584fffc8 SS |
376 | config CRYPTO_SHA1 |
377 | tristate "SHA1 digest algorithm" | |
54ccb367 | 378 | select CRYPTO_HASH |
1da177e4 | 379 | help |
584fffc8 | 380 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 381 | |
584fffc8 SS |
382 | config CRYPTO_SHA256 |
383 | tristate "SHA224 and SHA256 digest algorithm" | |
50e109b5 | 384 | select CRYPTO_HASH |
1da177e4 | 385 | help |
584fffc8 | 386 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 387 | |
584fffc8 SS |
388 | This version of SHA implements a 256 bit hash with 128 bits of |
389 | security against collision attacks. | |
2729bb42 | 390 | |
b6d44341 AB |
391 | This code also includes SHA-224, a 224 bit hash with 112 bits |
392 | of security against collision attacks. | |
584fffc8 SS |
393 | |
394 | config CRYPTO_SHA512 | |
395 | tristate "SHA384 and SHA512 digest algorithms" | |
bd9d20db | 396 | select CRYPTO_HASH |
b9f535ff | 397 | help |
584fffc8 | 398 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 399 | |
584fffc8 SS |
400 | This version of SHA implements a 512 bit hash with 256 bits of |
401 | security against collision attacks. | |
b9f535ff | 402 | |
584fffc8 SS |
403 | This code also includes SHA-384, a 384 bit hash with 192 bits |
404 | of security against collision attacks. | |
b9f535ff | 405 | |
584fffc8 SS |
406 | config CRYPTO_TGR192 |
407 | tristate "Tiger digest algorithms" | |
f63fbd3d | 408 | select CRYPTO_HASH |
eaf44088 | 409 | help |
584fffc8 | 410 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 411 | |
584fffc8 SS |
412 | Tiger is a hash function optimized for 64-bit processors while |
413 | still having decent performance on 32-bit processors. | |
414 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
415 | |
416 | See also: | |
584fffc8 | 417 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 418 | |
584fffc8 SS |
419 | config CRYPTO_WP512 |
420 | tristate "Whirlpool digest algorithms" | |
4946510b | 421 | select CRYPTO_HASH |
1da177e4 | 422 | help |
584fffc8 | 423 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 424 | |
584fffc8 SS |
425 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
426 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
427 | |
428 | See also: | |
584fffc8 SS |
429 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> |
430 | ||
431 | comment "Ciphers" | |
1da177e4 LT |
432 | |
433 | config CRYPTO_AES | |
434 | tristate "AES cipher algorithms" | |
cce9e06d | 435 | select CRYPTO_ALGAPI |
1da177e4 | 436 | help |
584fffc8 | 437 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
438 | algorithm. |
439 | ||
440 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
441 | both hardware and software across a wide range of computing |
442 | environments regardless of its use in feedback or non-feedback | |
443 | modes. Its key setup time is excellent, and its key agility is | |
444 | good. Rijndael's very low memory requirements make it very well | |
445 | suited for restricted-space environments, in which it also | |
446 | demonstrates excellent performance. Rijndael's operations are | |
447 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 448 | |
584fffc8 | 449 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
450 | |
451 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
452 | ||
453 | config CRYPTO_AES_586 | |
454 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
455 | depends on (X86 || UML_X86) && !64BIT |
456 | select CRYPTO_ALGAPI | |
5157dea8 | 457 | select CRYPTO_AES |
1da177e4 | 458 | help |
584fffc8 | 459 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
460 | algorithm. |
461 | ||
462 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
463 | both hardware and software across a wide range of computing |
464 | environments regardless of its use in feedback or non-feedback | |
465 | modes. Its key setup time is excellent, and its key agility is | |
466 | good. Rijndael's very low memory requirements make it very well | |
467 | suited for restricted-space environments, in which it also | |
468 | demonstrates excellent performance. Rijndael's operations are | |
469 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 470 | |
584fffc8 | 471 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
472 | |
473 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
474 | ||
475 | config CRYPTO_AES_X86_64 | |
476 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
477 | depends on (X86 || UML_X86) && 64BIT |
478 | select CRYPTO_ALGAPI | |
81190b32 | 479 | select CRYPTO_AES |
a2a892a2 | 480 | help |
584fffc8 | 481 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
482 | algorithm. |
483 | ||
484 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
485 | both hardware and software across a wide range of computing |
486 | environments regardless of its use in feedback or non-feedback | |
487 | modes. Its key setup time is excellent, and its key agility is | |
54b6a1bd HY |
488 | good. Rijndael's very low memory requirements make it very well |
489 | suited for restricted-space environments, in which it also | |
490 | demonstrates excellent performance. Rijndael's operations are | |
491 | among the easiest to defend against power and timing attacks. | |
492 | ||
493 | The AES specifies three key sizes: 128, 192 and 256 bits | |
494 | ||
495 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
496 | ||
497 | config CRYPTO_AES_NI_INTEL | |
498 | tristate "AES cipher algorithms (AES-NI)" | |
499 | depends on (X86 || UML_X86) && 64BIT | |
500 | select CRYPTO_AES_X86_64 | |
501 | select CRYPTO_CRYPTD | |
502 | select CRYPTO_ALGAPI | |
2cf4ac8b | 503 | select CRYPTO_FPU |
54b6a1bd HY |
504 | help |
505 | Use Intel AES-NI instructions for AES algorithm. | |
506 | ||
507 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
508 | algorithm. | |
509 | ||
510 | Rijndael appears to be consistently a very good performer in | |
511 | both hardware and software across a wide range of computing | |
512 | environments regardless of its use in feedback or non-feedback | |
513 | modes. Its key setup time is excellent, and its key agility is | |
584fffc8 SS |
514 | good. Rijndael's very low memory requirements make it very well |
515 | suited for restricted-space environments, in which it also | |
516 | demonstrates excellent performance. Rijndael's operations are | |
517 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 518 | |
584fffc8 | 519 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
520 | |
521 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
522 | ||
2cf4ac8b HY |
523 | In addition to AES cipher algorithm support, the |
524 | acceleration for some popular block cipher mode is supported | |
525 | too, including ECB, CBC, CTR, LRW, PCBC, XTS. | |
526 | ||
584fffc8 SS |
527 | config CRYPTO_ANUBIS |
528 | tristate "Anubis cipher algorithm" | |
529 | select CRYPTO_ALGAPI | |
530 | help | |
531 | Anubis cipher algorithm. | |
532 | ||
533 | Anubis is a variable key length cipher which can use keys from | |
534 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
535 | in the NESSIE competition. | |
536 | ||
537 | See also: | |
538 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
539 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
540 | ||
541 | config CRYPTO_ARC4 | |
542 | tristate "ARC4 cipher algorithm" | |
543 | select CRYPTO_ALGAPI | |
544 | help | |
545 | ARC4 cipher algorithm. | |
546 | ||
547 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
548 | bits in length. This algorithm is required for driver-based | |
549 | WEP, but it should not be for other purposes because of the | |
550 | weakness of the algorithm. | |
551 | ||
552 | config CRYPTO_BLOWFISH | |
553 | tristate "Blowfish cipher algorithm" | |
554 | select CRYPTO_ALGAPI | |
555 | help | |
556 | Blowfish cipher algorithm, by Bruce Schneier. | |
557 | ||
558 | This is a variable key length cipher which can use keys from 32 | |
559 | bits to 448 bits in length. It's fast, simple and specifically | |
560 | designed for use on "large microprocessors". | |
561 | ||
562 | See also: | |
563 | <http://www.schneier.com/blowfish.html> | |
564 | ||
565 | config CRYPTO_CAMELLIA | |
566 | tristate "Camellia cipher algorithms" | |
567 | depends on CRYPTO | |
568 | select CRYPTO_ALGAPI | |
569 | help | |
570 | Camellia cipher algorithms module. | |
571 | ||
572 | Camellia is a symmetric key block cipher developed jointly | |
573 | at NTT and Mitsubishi Electric Corporation. | |
574 | ||
575 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
576 | ||
577 | See also: | |
578 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
579 | ||
1da177e4 LT |
580 | config CRYPTO_CAST5 |
581 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 582 | select CRYPTO_ALGAPI |
1da177e4 LT |
583 | help |
584 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
585 | described in RFC2144. | |
586 | ||
587 | config CRYPTO_CAST6 | |
588 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 589 | select CRYPTO_ALGAPI |
1da177e4 LT |
590 | help |
591 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
592 | described in RFC2612. | |
593 | ||
584fffc8 SS |
594 | config CRYPTO_DES |
595 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 596 | select CRYPTO_ALGAPI |
1da177e4 | 597 | help |
584fffc8 | 598 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 599 | |
584fffc8 SS |
600 | config CRYPTO_FCRYPT |
601 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 602 | select CRYPTO_ALGAPI |
584fffc8 | 603 | select CRYPTO_BLKCIPHER |
1da177e4 | 604 | help |
584fffc8 | 605 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
606 | |
607 | config CRYPTO_KHAZAD | |
608 | tristate "Khazad cipher algorithm" | |
cce9e06d | 609 | select CRYPTO_ALGAPI |
1da177e4 LT |
610 | help |
611 | Khazad cipher algorithm. | |
612 | ||
613 | Khazad was a finalist in the initial NESSIE competition. It is | |
614 | an algorithm optimized for 64-bit processors with good performance | |
615 | on 32-bit processors. Khazad uses an 128 bit key size. | |
616 | ||
617 | See also: | |
618 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
619 | ||
2407d608 TSH |
620 | config CRYPTO_SALSA20 |
621 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
622 | depends on EXPERIMENTAL | |
623 | select CRYPTO_BLKCIPHER | |
624 | help | |
625 | Salsa20 stream cipher algorithm. | |
626 | ||
627 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
628 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
629 | |
630 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
631 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
632 | ||
633 | config CRYPTO_SALSA20_586 | |
634 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
635 | depends on (X86 || UML_X86) && !64BIT | |
636 | depends on EXPERIMENTAL | |
637 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
638 | help |
639 | Salsa20 stream cipher algorithm. | |
640 | ||
641 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
642 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
643 | |
644 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
645 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
646 | ||
647 | config CRYPTO_SALSA20_X86_64 | |
648 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
649 | depends on (X86 || UML_X86) && 64BIT | |
650 | depends on EXPERIMENTAL | |
651 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
652 | help |
653 | Salsa20 stream cipher algorithm. | |
654 | ||
655 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
656 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
657 | |
658 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
659 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 660 | |
584fffc8 SS |
661 | config CRYPTO_SEED |
662 | tristate "SEED cipher algorithm" | |
cce9e06d | 663 | select CRYPTO_ALGAPI |
1da177e4 | 664 | help |
584fffc8 | 665 | SEED cipher algorithm (RFC4269). |
1da177e4 | 666 | |
584fffc8 SS |
667 | SEED is a 128-bit symmetric key block cipher that has been |
668 | developed by KISA (Korea Information Security Agency) as a | |
669 | national standard encryption algorithm of the Republic of Korea. | |
670 | It is a 16 round block cipher with the key size of 128 bit. | |
671 | ||
672 | See also: | |
673 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
674 | ||
675 | config CRYPTO_SERPENT | |
676 | tristate "Serpent cipher algorithm" | |
cce9e06d | 677 | select CRYPTO_ALGAPI |
1da177e4 | 678 | help |
584fffc8 | 679 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 680 | |
584fffc8 SS |
681 | Keys are allowed to be from 0 to 256 bits in length, in steps |
682 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
683 | variant of Serpent for compatibility with old kerneli.org code. | |
684 | ||
685 | See also: | |
686 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
687 | ||
688 | config CRYPTO_TEA | |
689 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 690 | select CRYPTO_ALGAPI |
1da177e4 | 691 | help |
584fffc8 | 692 | TEA cipher algorithm. |
1da177e4 | 693 | |
584fffc8 SS |
694 | Tiny Encryption Algorithm is a simple cipher that uses |
695 | many rounds for security. It is very fast and uses | |
696 | little memory. | |
697 | ||
698 | Xtendend Tiny Encryption Algorithm is a modification to | |
699 | the TEA algorithm to address a potential key weakness | |
700 | in the TEA algorithm. | |
701 | ||
702 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
703 | of the XTEA algorithm for compatibility purposes. | |
704 | ||
705 | config CRYPTO_TWOFISH | |
706 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 707 | select CRYPTO_ALGAPI |
584fffc8 | 708 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 709 | help |
584fffc8 | 710 | Twofish cipher algorithm. |
04ac7db3 | 711 | |
584fffc8 SS |
712 | Twofish was submitted as an AES (Advanced Encryption Standard) |
713 | candidate cipher by researchers at CounterPane Systems. It is a | |
714 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
715 | bits. | |
04ac7db3 | 716 | |
584fffc8 SS |
717 | See also: |
718 | <http://www.schneier.com/twofish.html> | |
719 | ||
720 | config CRYPTO_TWOFISH_COMMON | |
721 | tristate | |
722 | help | |
723 | Common parts of the Twofish cipher algorithm shared by the | |
724 | generic c and the assembler implementations. | |
725 | ||
726 | config CRYPTO_TWOFISH_586 | |
727 | tristate "Twofish cipher algorithms (i586)" | |
728 | depends on (X86 || UML_X86) && !64BIT | |
729 | select CRYPTO_ALGAPI | |
730 | select CRYPTO_TWOFISH_COMMON | |
731 | help | |
732 | Twofish cipher algorithm. | |
733 | ||
734 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
735 | candidate cipher by researchers at CounterPane Systems. It is a | |
736 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
737 | bits. | |
04ac7db3 NT |
738 | |
739 | See also: | |
584fffc8 | 740 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 741 | |
584fffc8 SS |
742 | config CRYPTO_TWOFISH_X86_64 |
743 | tristate "Twofish cipher algorithm (x86_64)" | |
744 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 745 | select CRYPTO_ALGAPI |
584fffc8 | 746 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 747 | help |
584fffc8 | 748 | Twofish cipher algorithm (x86_64). |
1da177e4 | 749 | |
584fffc8 SS |
750 | Twofish was submitted as an AES (Advanced Encryption Standard) |
751 | candidate cipher by researchers at CounterPane Systems. It is a | |
752 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
753 | bits. | |
754 | ||
755 | See also: | |
756 | <http://www.schneier.com/twofish.html> | |
757 | ||
758 | comment "Compression" | |
759 | ||
760 | config CRYPTO_DEFLATE | |
761 | tristate "Deflate compression algorithm" | |
762 | select CRYPTO_ALGAPI | |
763 | select ZLIB_INFLATE | |
764 | select ZLIB_DEFLATE | |
3c09f17c | 765 | help |
584fffc8 SS |
766 | This is the Deflate algorithm (RFC1951), specified for use in |
767 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
768 | ||
769 | You will most probably want this if using IPSec. | |
3c09f17c | 770 | |
bf68e65e GU |
771 | config CRYPTO_ZLIB |
772 | tristate "Zlib compression algorithm" | |
773 | select CRYPTO_PCOMP | |
774 | select ZLIB_INFLATE | |
775 | select ZLIB_DEFLATE | |
776 | select NLATTR | |
777 | help | |
778 | This is the zlib algorithm. | |
779 | ||
0b77abb3 ZS |
780 | config CRYPTO_LZO |
781 | tristate "LZO compression algorithm" | |
782 | select CRYPTO_ALGAPI | |
783 | select LZO_COMPRESS | |
784 | select LZO_DECOMPRESS | |
785 | help | |
786 | This is the LZO algorithm. | |
787 | ||
17f0f4a4 NH |
788 | comment "Random Number Generation" |
789 | ||
790 | config CRYPTO_ANSI_CPRNG | |
791 | tristate "Pseudo Random Number Generation for Cryptographic modules" | |
4e4ed83b | 792 | default m |
17f0f4a4 NH |
793 | select CRYPTO_AES |
794 | select CRYPTO_RNG | |
17f0f4a4 NH |
795 | help |
796 | This option enables the generic pseudo random number generator | |
797 | for cryptographic modules. Uses the Algorithm specified in | |
4e4ed83b NH |
798 | ANSI X9.31 A.2.4. Not this option must be enabled if CRYPTO_FIPS |
799 | is selected | |
17f0f4a4 | 800 | |
1da177e4 | 801 | source "drivers/crypto/Kconfig" |
1da177e4 | 802 | |
cce9e06d | 803 | endif # if CRYPTO |