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 |
1da177e4 LT |
16 | bool "Cryptographic API" |
17 | help | |
18 | This option provides the core Cryptographic API. | |
19 | ||
cce9e06d HX |
20 | if CRYPTO |
21 | ||
22 | config CRYPTO_ALGAPI | |
23 | tristate | |
24 | help | |
25 | This option provides the API for cryptographic algorithms. | |
26 | ||
b5b7f088 HX |
27 | config CRYPTO_ABLKCIPHER |
28 | tristate | |
29 | select CRYPTO_BLKCIPHER | |
30 | ||
1ae97820 HX |
31 | config CRYPTO_AEAD |
32 | tristate | |
33 | select CRYPTO_ALGAPI | |
34 | ||
5cde0af2 HX |
35 | config CRYPTO_BLKCIPHER |
36 | tristate | |
37 | select CRYPTO_ALGAPI | |
38 | ||
055bcee3 HX |
39 | config CRYPTO_HASH |
40 | tristate | |
41 | select CRYPTO_ALGAPI | |
42 | ||
2b8c19db HX |
43 | config CRYPTO_MANAGER |
44 | tristate "Cryptographic algorithm manager" | |
45 | select CRYPTO_ALGAPI | |
2b8c19db HX |
46 | help |
47 | Create default cryptographic template instantiations such as | |
48 | cbc(aes). | |
49 | ||
1da177e4 | 50 | config CRYPTO_HMAC |
8425165d | 51 | tristate "HMAC support" |
0796ae06 | 52 | select CRYPTO_HASH |
43518407 | 53 | select CRYPTO_MANAGER |
1da177e4 LT |
54 | help |
55 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). | |
56 | This is required for IPSec. | |
57 | ||
333b0d7e KM |
58 | config CRYPTO_XCBC |
59 | tristate "XCBC support" | |
60 | depends on EXPERIMENTAL | |
61 | select CRYPTO_HASH | |
62 | select CRYPTO_MANAGER | |
63 | help | |
64 | XCBC: Keyed-Hashing with encryption algorithm | |
65 | http://www.ietf.org/rfc/rfc3566.txt | |
66 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
67 | xcbc-mac/xcbc-mac-spec.pdf | |
68 | ||
1da177e4 LT |
69 | config CRYPTO_NULL |
70 | tristate "Null algorithms" | |
cce9e06d | 71 | select CRYPTO_ALGAPI |
1da177e4 LT |
72 | help |
73 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
74 | ||
75 | config CRYPTO_MD4 | |
76 | tristate "MD4 digest algorithm" | |
cce9e06d | 77 | select CRYPTO_ALGAPI |
1da177e4 LT |
78 | help |
79 | MD4 message digest algorithm (RFC1320). | |
80 | ||
81 | config CRYPTO_MD5 | |
82 | tristate "MD5 digest algorithm" | |
cce9e06d | 83 | select CRYPTO_ALGAPI |
1da177e4 LT |
84 | help |
85 | MD5 message digest algorithm (RFC1321). | |
86 | ||
87 | config CRYPTO_SHA1 | |
88 | tristate "SHA1 digest algorithm" | |
cce9e06d | 89 | select CRYPTO_ALGAPI |
1da177e4 LT |
90 | help |
91 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). | |
92 | ||
1da177e4 LT |
93 | config CRYPTO_SHA256 |
94 | tristate "SHA256 digest algorithm" | |
cce9e06d | 95 | select CRYPTO_ALGAPI |
1da177e4 LT |
96 | help |
97 | SHA256 secure hash standard (DFIPS 180-2). | |
98 | ||
99 | This version of SHA implements a 256 bit hash with 128 bits of | |
100 | security against collision attacks. | |
101 | ||
102 | config CRYPTO_SHA512 | |
103 | tristate "SHA384 and SHA512 digest algorithms" | |
cce9e06d | 104 | select CRYPTO_ALGAPI |
1da177e4 LT |
105 | help |
106 | SHA512 secure hash standard (DFIPS 180-2). | |
107 | ||
108 | This version of SHA implements a 512 bit hash with 256 bits of | |
109 | security against collision attacks. | |
110 | ||
111 | This code also includes SHA-384, a 384 bit hash with 192 bits | |
112 | of security against collision attacks. | |
113 | ||
114 | config CRYPTO_WP512 | |
115 | tristate "Whirlpool digest algorithms" | |
cce9e06d | 116 | select CRYPTO_ALGAPI |
1da177e4 LT |
117 | help |
118 | Whirlpool hash algorithm 512, 384 and 256-bit hashes | |
119 | ||
120 | Whirlpool-512 is part of the NESSIE cryptographic primitives. | |
121 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
122 | ||
123 | See also: | |
124 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> | |
125 | ||
126 | config CRYPTO_TGR192 | |
127 | tristate "Tiger digest algorithms" | |
cce9e06d | 128 | select CRYPTO_ALGAPI |
1da177e4 LT |
129 | help |
130 | Tiger hash algorithm 192, 160 and 128-bit hashes | |
131 | ||
132 | Tiger is a hash function optimized for 64-bit processors while | |
133 | still having decent performance on 32-bit processors. | |
134 | Tiger was developed by Ross Anderson and Eli Biham. | |
135 | ||
136 | See also: | |
137 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. | |
138 | ||
c494e070 RS |
139 | config CRYPTO_GF128MUL |
140 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
141 | depends on EXPERIMENTAL | |
142 | help | |
143 | Efficient table driven implementation of multiplications in the | |
144 | field GF(2^128). This is needed by some cypher modes. This | |
145 | option will be selected automatically if you select such a | |
146 | cipher mode. Only select this option by hand if you expect to load | |
147 | an external module that requires these functions. | |
148 | ||
db131ef9 HX |
149 | config CRYPTO_ECB |
150 | tristate "ECB support" | |
151 | select CRYPTO_BLKCIPHER | |
43518407 | 152 | select CRYPTO_MANAGER |
db131ef9 HX |
153 | help |
154 | ECB: Electronic CodeBook mode | |
155 | This is the simplest block cipher algorithm. It simply encrypts | |
156 | the input block by block. | |
157 | ||
158 | config CRYPTO_CBC | |
159 | tristate "CBC support" | |
160 | select CRYPTO_BLKCIPHER | |
43518407 | 161 | select CRYPTO_MANAGER |
db131ef9 HX |
162 | help |
163 | CBC: Cipher Block Chaining mode | |
164 | This block cipher algorithm is required for IPSec. | |
165 | ||
91652be5 DH |
166 | config CRYPTO_PCBC |
167 | tristate "PCBC support" | |
168 | select CRYPTO_BLKCIPHER | |
169 | select CRYPTO_MANAGER | |
91652be5 DH |
170 | help |
171 | PCBC: Propagating Cipher Block Chaining mode | |
172 | This block cipher algorithm is required for RxRPC. | |
173 | ||
64470f1b RS |
174 | config CRYPTO_LRW |
175 | tristate "LRW support (EXPERIMENTAL)" | |
176 | depends on EXPERIMENTAL | |
177 | select CRYPTO_BLKCIPHER | |
178 | select CRYPTO_MANAGER | |
179 | select CRYPTO_GF128MUL | |
180 | help | |
181 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
182 | narrow block cipher mode for dm-crypt. Use it with cipher | |
183 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
184 | The first 128, 192 or 256 bits in the key are used for AES and the | |
185 | rest is used to tie each cipher block to its logical position. | |
186 | ||
124b53d0 HX |
187 | config CRYPTO_CRYPTD |
188 | tristate "Software async crypto daemon" | |
189 | select CRYPTO_ABLKCIPHER | |
190 | select CRYPTO_MANAGER | |
191 | help | |
192 | This is a generic software asynchronous crypto daemon that | |
193 | converts an arbitrary synchronous software crypto algorithm | |
194 | into an asynchronous algorithm that executes in a kernel thread. | |
195 | ||
1da177e4 LT |
196 | config CRYPTO_DES |
197 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 198 | select CRYPTO_ALGAPI |
1da177e4 LT |
199 | help |
200 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). | |
201 | ||
90831639 DH |
202 | config CRYPTO_FCRYPT |
203 | tristate "FCrypt cipher algorithm" | |
204 | select CRYPTO_ALGAPI | |
205 | select CRYPTO_BLKCIPHER | |
206 | help | |
207 | FCrypt algorithm used by RxRPC. | |
208 | ||
1da177e4 LT |
209 | config CRYPTO_BLOWFISH |
210 | tristate "Blowfish cipher algorithm" | |
cce9e06d | 211 | select CRYPTO_ALGAPI |
1da177e4 LT |
212 | help |
213 | Blowfish cipher algorithm, by Bruce Schneier. | |
214 | ||
215 | This is a variable key length cipher which can use keys from 32 | |
216 | bits to 448 bits in length. It's fast, simple and specifically | |
217 | designed for use on "large microprocessors". | |
218 | ||
219 | See also: | |
220 | <http://www.schneier.com/blowfish.html> | |
221 | ||
222 | config CRYPTO_TWOFISH | |
223 | tristate "Twofish cipher algorithm" | |
cce9e06d | 224 | select CRYPTO_ALGAPI |
2729bb42 | 225 | select CRYPTO_TWOFISH_COMMON |
1da177e4 LT |
226 | help |
227 | Twofish cipher algorithm. | |
228 | ||
229 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
230 | candidate cipher by researchers at CounterPane Systems. It is a | |
231 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
232 | bits. | |
233 | ||
234 | See also: | |
235 | <http://www.schneier.com/twofish.html> | |
236 | ||
2729bb42 JF |
237 | config CRYPTO_TWOFISH_COMMON |
238 | tristate | |
2729bb42 JF |
239 | help |
240 | Common parts of the Twofish cipher algorithm shared by the | |
241 | generic c and the assembler implementations. | |
242 | ||
b9f535ff JF |
243 | config CRYPTO_TWOFISH_586 |
244 | tristate "Twofish cipher algorithms (i586)" | |
cce9e06d HX |
245 | depends on (X86 || UML_X86) && !64BIT |
246 | select CRYPTO_ALGAPI | |
b9f535ff JF |
247 | select CRYPTO_TWOFISH_COMMON |
248 | help | |
249 | Twofish cipher algorithm. | |
250 | ||
251 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
252 | candidate cipher by researchers at CounterPane Systems. It is a | |
253 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
254 | bits. | |
255 | ||
256 | See also: | |
257 | <http://www.schneier.com/twofish.html> | |
258 | ||
eaf44088 JF |
259 | config CRYPTO_TWOFISH_X86_64 |
260 | tristate "Twofish cipher algorithm (x86_64)" | |
cce9e06d HX |
261 | depends on (X86 || UML_X86) && 64BIT |
262 | select CRYPTO_ALGAPI | |
eaf44088 JF |
263 | select CRYPTO_TWOFISH_COMMON |
264 | help | |
265 | Twofish cipher algorithm (x86_64). | |
266 | ||
267 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
268 | candidate cipher by researchers at CounterPane Systems. It is a | |
269 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
270 | bits. | |
271 | ||
272 | See also: | |
273 | <http://www.schneier.com/twofish.html> | |
274 | ||
1da177e4 LT |
275 | config CRYPTO_SERPENT |
276 | tristate "Serpent cipher algorithm" | |
cce9e06d | 277 | select CRYPTO_ALGAPI |
1da177e4 LT |
278 | help |
279 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. | |
280 | ||
281 | Keys are allowed to be from 0 to 256 bits in length, in steps | |
282 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
3dde6ad8 | 283 | variant of Serpent for compatibility with old kerneli.org code. |
1da177e4 LT |
284 | |
285 | See also: | |
286 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
287 | ||
288 | config CRYPTO_AES | |
289 | tristate "AES cipher algorithms" | |
cce9e06d | 290 | select CRYPTO_ALGAPI |
1da177e4 LT |
291 | help |
292 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
293 | algorithm. | |
294 | ||
295 | Rijndael appears to be consistently a very good performer in | |
296 | both hardware and software across a wide range of computing | |
297 | environments regardless of its use in feedback or non-feedback | |
298 | modes. Its key setup time is excellent, and its key agility is | |
299 | good. Rijndael's very low memory requirements make it very well | |
300 | suited for restricted-space environments, in which it also | |
301 | demonstrates excellent performance. Rijndael's operations are | |
302 | among the easiest to defend against power and timing attacks. | |
303 | ||
304 | The AES specifies three key sizes: 128, 192 and 256 bits | |
305 | ||
306 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
307 | ||
308 | config CRYPTO_AES_586 | |
309 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
310 | depends on (X86 || UML_X86) && !64BIT |
311 | select CRYPTO_ALGAPI | |
1da177e4 LT |
312 | help |
313 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
314 | algorithm. | |
315 | ||
316 | Rijndael appears to be consistently a very good performer in | |
317 | both hardware and software across a wide range of computing | |
318 | environments regardless of its use in feedback or non-feedback | |
319 | modes. Its key setup time is excellent, and its key agility is | |
320 | good. Rijndael's very low memory requirements make it very well | |
321 | suited for restricted-space environments, in which it also | |
322 | demonstrates excellent performance. Rijndael's operations are | |
323 | among the easiest to defend against power and timing attacks. | |
324 | ||
325 | The AES specifies three key sizes: 128, 192 and 256 bits | |
a2a892a2 AS |
326 | |
327 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
328 | ||
329 | config CRYPTO_AES_X86_64 | |
330 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
331 | depends on (X86 || UML_X86) && 64BIT |
332 | select CRYPTO_ALGAPI | |
a2a892a2 AS |
333 | help |
334 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
335 | algorithm. | |
336 | ||
337 | Rijndael appears to be consistently a very good performer in | |
338 | both hardware and software across a wide range of computing | |
339 | environments regardless of its use in feedback or non-feedback | |
340 | modes. Its key setup time is excellent, and its key agility is | |
341 | good. Rijndael's very low memory requirements make it very well | |
342 | suited for restricted-space environments, in which it also | |
343 | demonstrates excellent performance. Rijndael's operations are | |
344 | among the easiest to defend against power and timing attacks. | |
345 | ||
346 | The AES specifies three key sizes: 128, 192 and 256 bits | |
1da177e4 LT |
347 | |
348 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
349 | ||
350 | config CRYPTO_CAST5 | |
351 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 352 | select CRYPTO_ALGAPI |
1da177e4 LT |
353 | help |
354 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
355 | described in RFC2144. | |
356 | ||
357 | config CRYPTO_CAST6 | |
358 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 359 | select CRYPTO_ALGAPI |
1da177e4 LT |
360 | help |
361 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
362 | described in RFC2612. | |
363 | ||
364 | config CRYPTO_TEA | |
fb4f10ed | 365 | tristate "TEA, XTEA and XETA cipher algorithms" |
cce9e06d | 366 | select CRYPTO_ALGAPI |
1da177e4 LT |
367 | help |
368 | TEA cipher algorithm. | |
369 | ||
370 | Tiny Encryption Algorithm is a simple cipher that uses | |
371 | many rounds for security. It is very fast and uses | |
372 | little memory. | |
373 | ||
374 | Xtendend Tiny Encryption Algorithm is a modification to | |
375 | the TEA algorithm to address a potential key weakness | |
376 | in the TEA algorithm. | |
377 | ||
fb4f10ed AG |
378 | Xtendend Encryption Tiny Algorithm is a mis-implementation |
379 | of the XTEA algorithm for compatibility purposes. | |
380 | ||
1da177e4 LT |
381 | config CRYPTO_ARC4 |
382 | tristate "ARC4 cipher algorithm" | |
cce9e06d | 383 | select CRYPTO_ALGAPI |
1da177e4 LT |
384 | help |
385 | ARC4 cipher algorithm. | |
386 | ||
387 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
388 | bits in length. This algorithm is required for driver-based | |
389 | WEP, but it should not be for other purposes because of the | |
390 | weakness of the algorithm. | |
391 | ||
392 | config CRYPTO_KHAZAD | |
393 | tristate "Khazad cipher algorithm" | |
cce9e06d | 394 | select CRYPTO_ALGAPI |
1da177e4 LT |
395 | help |
396 | Khazad cipher algorithm. | |
397 | ||
398 | Khazad was a finalist in the initial NESSIE competition. It is | |
399 | an algorithm optimized for 64-bit processors with good performance | |
400 | on 32-bit processors. Khazad uses an 128 bit key size. | |
401 | ||
402 | See also: | |
403 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
404 | ||
405 | config CRYPTO_ANUBIS | |
406 | tristate "Anubis cipher algorithm" | |
cce9e06d | 407 | select CRYPTO_ALGAPI |
1da177e4 LT |
408 | help |
409 | Anubis cipher algorithm. | |
410 | ||
411 | Anubis is a variable key length cipher which can use keys from | |
412 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
413 | in the NESSIE competition. | |
414 | ||
415 | See also: | |
416 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
417 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
418 | ||
e2ee95b8 HSC |
419 | config CRYPTO_SEED |
420 | tristate "SEED cipher algorithm" | |
421 | select CRYPTO_ALGAPI | |
422 | help | |
423 | SEED cipher algorithm (RFC4269). | |
424 | ||
425 | SEED is a 128-bit symmetric key block cipher that has been | |
426 | developed by KISA (Korea Information Security Agency) as a | |
427 | national standard encryption algorithm of the Republic of Korea. | |
428 | It is a 16 round block cipher with the key size of 128 bit. | |
429 | ||
430 | See also: | |
431 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
432 | ||
1da177e4 LT |
433 | |
434 | config CRYPTO_DEFLATE | |
435 | tristate "Deflate compression algorithm" | |
cce9e06d | 436 | select CRYPTO_ALGAPI |
1da177e4 LT |
437 | select ZLIB_INFLATE |
438 | select ZLIB_DEFLATE | |
439 | help | |
440 | This is the Deflate algorithm (RFC1951), specified for use in | |
441 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
442 | ||
443 | You will most probably want this if using IPSec. | |
444 | ||
445 | config CRYPTO_MICHAEL_MIC | |
446 | tristate "Michael MIC keyed digest algorithm" | |
cce9e06d | 447 | select CRYPTO_ALGAPI |
1da177e4 LT |
448 | help |
449 | Michael MIC is used for message integrity protection in TKIP | |
450 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
451 | should not be used for other purposes because of the weakness | |
452 | of the algorithm. | |
453 | ||
454 | config CRYPTO_CRC32C | |
455 | tristate "CRC32c CRC algorithm" | |
cce9e06d | 456 | select CRYPTO_ALGAPI |
1da177e4 LT |
457 | select LIBCRC32C |
458 | help | |
459 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used | |
460 | by iSCSI for header and data digests and by others. | |
461 | See Castagnoli93. This implementation uses lib/libcrc32c. | |
462 | Module will be crc32c. | |
463 | ||
04ac7db3 NT |
464 | config CRYPTO_CAMELLIA |
465 | tristate "Camellia cipher algorithms" | |
466 | depends on CRYPTO | |
467 | select CRYPTO_ALGAPI | |
468 | help | |
469 | Camellia cipher algorithms module. | |
470 | ||
471 | Camellia is a symmetric key block cipher developed jointly | |
472 | at NTT and Mitsubishi Electric Corporation. | |
473 | ||
474 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
475 | ||
476 | See also: | |
477 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
478 | ||
1da177e4 LT |
479 | config CRYPTO_TEST |
480 | tristate "Testing module" | |
cce9e06d HX |
481 | depends on m |
482 | select CRYPTO_ALGAPI | |
1da177e4 LT |
483 | help |
484 | Quick & dirty crypto test module. | |
485 | ||
486 | source "drivers/crypto/Kconfig" | |
1da177e4 | 487 | |
cce9e06d | 488 | endif # if CRYPTO |