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Commit | Line | Data |
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1da177e4 LT |
1 | # |
2 | # Cryptographic API Configuration | |
3 | # | |
4 | ||
5 | menu "Cryptographic options" | |
6 | ||
7 | config CRYPTO | |
8 | bool "Cryptographic API" | |
9 | help | |
10 | This option provides the core Cryptographic API. | |
11 | ||
cce9e06d HX |
12 | if CRYPTO |
13 | ||
14 | config CRYPTO_ALGAPI | |
15 | tristate | |
16 | help | |
17 | This option provides the API for cryptographic algorithms. | |
18 | ||
b5b7f088 HX |
19 | config CRYPTO_ABLKCIPHER |
20 | tristate | |
21 | select CRYPTO_BLKCIPHER | |
22 | ||
5cde0af2 HX |
23 | config CRYPTO_BLKCIPHER |
24 | tristate | |
25 | select CRYPTO_ALGAPI | |
26 | ||
055bcee3 HX |
27 | config CRYPTO_HASH |
28 | tristate | |
29 | select CRYPTO_ALGAPI | |
30 | ||
2b8c19db HX |
31 | config CRYPTO_MANAGER |
32 | tristate "Cryptographic algorithm manager" | |
33 | select CRYPTO_ALGAPI | |
2b8c19db HX |
34 | help |
35 | Create default cryptographic template instantiations such as | |
36 | cbc(aes). | |
37 | ||
1da177e4 | 38 | config CRYPTO_HMAC |
8425165d | 39 | tristate "HMAC support" |
0796ae06 | 40 | select CRYPTO_HASH |
43518407 | 41 | select CRYPTO_MANAGER |
1da177e4 LT |
42 | help |
43 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). | |
44 | This is required for IPSec. | |
45 | ||
333b0d7e KM |
46 | config CRYPTO_XCBC |
47 | tristate "XCBC support" | |
48 | depends on EXPERIMENTAL | |
49 | select CRYPTO_HASH | |
50 | select CRYPTO_MANAGER | |
51 | help | |
52 | XCBC: Keyed-Hashing with encryption algorithm | |
53 | http://www.ietf.org/rfc/rfc3566.txt | |
54 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
55 | xcbc-mac/xcbc-mac-spec.pdf | |
56 | ||
1da177e4 LT |
57 | config CRYPTO_NULL |
58 | tristate "Null algorithms" | |
cce9e06d | 59 | select CRYPTO_ALGAPI |
1da177e4 LT |
60 | help |
61 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
62 | ||
63 | config CRYPTO_MD4 | |
64 | tristate "MD4 digest algorithm" | |
cce9e06d | 65 | select CRYPTO_ALGAPI |
1da177e4 LT |
66 | help |
67 | MD4 message digest algorithm (RFC1320). | |
68 | ||
69 | config CRYPTO_MD5 | |
70 | tristate "MD5 digest algorithm" | |
cce9e06d | 71 | select CRYPTO_ALGAPI |
1da177e4 LT |
72 | help |
73 | MD5 message digest algorithm (RFC1321). | |
74 | ||
75 | config CRYPTO_SHA1 | |
76 | tristate "SHA1 digest algorithm" | |
cce9e06d | 77 | select CRYPTO_ALGAPI |
1da177e4 LT |
78 | help |
79 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). | |
80 | ||
1da177e4 LT |
81 | config CRYPTO_SHA256 |
82 | tristate "SHA256 digest algorithm" | |
cce9e06d | 83 | select CRYPTO_ALGAPI |
1da177e4 LT |
84 | help |
85 | SHA256 secure hash standard (DFIPS 180-2). | |
86 | ||
87 | This version of SHA implements a 256 bit hash with 128 bits of | |
88 | security against collision attacks. | |
89 | ||
90 | config CRYPTO_SHA512 | |
91 | tristate "SHA384 and SHA512 digest algorithms" | |
cce9e06d | 92 | select CRYPTO_ALGAPI |
1da177e4 LT |
93 | help |
94 | SHA512 secure hash standard (DFIPS 180-2). | |
95 | ||
96 | This version of SHA implements a 512 bit hash with 256 bits of | |
97 | security against collision attacks. | |
98 | ||
99 | This code also includes SHA-384, a 384 bit hash with 192 bits | |
100 | of security against collision attacks. | |
101 | ||
102 | config CRYPTO_WP512 | |
103 | tristate "Whirlpool digest algorithms" | |
cce9e06d | 104 | select CRYPTO_ALGAPI |
1da177e4 LT |
105 | help |
106 | Whirlpool hash algorithm 512, 384 and 256-bit hashes | |
107 | ||
108 | Whirlpool-512 is part of the NESSIE cryptographic primitives. | |
109 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
110 | ||
111 | See also: | |
112 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> | |
113 | ||
114 | config CRYPTO_TGR192 | |
115 | tristate "Tiger digest algorithms" | |
cce9e06d | 116 | select CRYPTO_ALGAPI |
1da177e4 LT |
117 | help |
118 | Tiger hash algorithm 192, 160 and 128-bit hashes | |
119 | ||
120 | Tiger is a hash function optimized for 64-bit processors while | |
121 | still having decent performance on 32-bit processors. | |
122 | Tiger was developed by Ross Anderson and Eli Biham. | |
123 | ||
124 | See also: | |
125 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. | |
126 | ||
c494e070 RS |
127 | config CRYPTO_GF128MUL |
128 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
129 | depends on EXPERIMENTAL | |
130 | help | |
131 | Efficient table driven implementation of multiplications in the | |
132 | field GF(2^128). This is needed by some cypher modes. This | |
133 | option will be selected automatically if you select such a | |
134 | cipher mode. Only select this option by hand if you expect to load | |
135 | an external module that requires these functions. | |
136 | ||
db131ef9 HX |
137 | config CRYPTO_ECB |
138 | tristate "ECB support" | |
139 | select CRYPTO_BLKCIPHER | |
43518407 | 140 | select CRYPTO_MANAGER |
db131ef9 HX |
141 | default m |
142 | help | |
143 | ECB: Electronic CodeBook mode | |
144 | This is the simplest block cipher algorithm. It simply encrypts | |
145 | the input block by block. | |
146 | ||
147 | config CRYPTO_CBC | |
148 | tristate "CBC support" | |
149 | select CRYPTO_BLKCIPHER | |
43518407 | 150 | select CRYPTO_MANAGER |
db131ef9 HX |
151 | default m |
152 | help | |
153 | CBC: Cipher Block Chaining mode | |
154 | This block cipher algorithm is required for IPSec. | |
155 | ||
91652be5 DH |
156 | config CRYPTO_PCBC |
157 | tristate "PCBC support" | |
158 | select CRYPTO_BLKCIPHER | |
159 | select CRYPTO_MANAGER | |
160 | default m | |
161 | help | |
162 | PCBC: Propagating Cipher Block Chaining mode | |
163 | This block cipher algorithm is required for RxRPC. | |
164 | ||
64470f1b RS |
165 | config CRYPTO_LRW |
166 | tristate "LRW support (EXPERIMENTAL)" | |
167 | depends on EXPERIMENTAL | |
168 | select CRYPTO_BLKCIPHER | |
169 | select CRYPTO_MANAGER | |
170 | select CRYPTO_GF128MUL | |
171 | help | |
172 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
173 | narrow block cipher mode for dm-crypt. Use it with cipher | |
174 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
175 | The first 128, 192 or 256 bits in the key are used for AES and the | |
176 | rest is used to tie each cipher block to its logical position. | |
177 | ||
124b53d0 HX |
178 | config CRYPTO_CRYPTD |
179 | tristate "Software async crypto daemon" | |
180 | select CRYPTO_ABLKCIPHER | |
181 | select CRYPTO_MANAGER | |
182 | help | |
183 | This is a generic software asynchronous crypto daemon that | |
184 | converts an arbitrary synchronous software crypto algorithm | |
185 | into an asynchronous algorithm that executes in a kernel thread. | |
186 | ||
1da177e4 LT |
187 | config CRYPTO_DES |
188 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 189 | select CRYPTO_ALGAPI |
1da177e4 LT |
190 | help |
191 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). | |
192 | ||
90831639 DH |
193 | config CRYPTO_FCRYPT |
194 | tristate "FCrypt cipher algorithm" | |
195 | select CRYPTO_ALGAPI | |
196 | select CRYPTO_BLKCIPHER | |
197 | help | |
198 | FCrypt algorithm used by RxRPC. | |
199 | ||
1da177e4 LT |
200 | config CRYPTO_BLOWFISH |
201 | tristate "Blowfish cipher algorithm" | |
cce9e06d | 202 | select CRYPTO_ALGAPI |
1da177e4 LT |
203 | help |
204 | Blowfish cipher algorithm, by Bruce Schneier. | |
205 | ||
206 | This is a variable key length cipher which can use keys from 32 | |
207 | bits to 448 bits in length. It's fast, simple and specifically | |
208 | designed for use on "large microprocessors". | |
209 | ||
210 | See also: | |
211 | <http://www.schneier.com/blowfish.html> | |
212 | ||
213 | config CRYPTO_TWOFISH | |
214 | tristate "Twofish cipher algorithm" | |
cce9e06d | 215 | select CRYPTO_ALGAPI |
2729bb42 | 216 | select CRYPTO_TWOFISH_COMMON |
1da177e4 LT |
217 | help |
218 | Twofish cipher algorithm. | |
219 | ||
220 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
221 | candidate cipher by researchers at CounterPane Systems. It is a | |
222 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
223 | bits. | |
224 | ||
225 | See also: | |
226 | <http://www.schneier.com/twofish.html> | |
227 | ||
2729bb42 JF |
228 | config CRYPTO_TWOFISH_COMMON |
229 | tristate | |
2729bb42 JF |
230 | help |
231 | Common parts of the Twofish cipher algorithm shared by the | |
232 | generic c and the assembler implementations. | |
233 | ||
b9f535ff JF |
234 | config CRYPTO_TWOFISH_586 |
235 | tristate "Twofish cipher algorithms (i586)" | |
cce9e06d HX |
236 | depends on (X86 || UML_X86) && !64BIT |
237 | select CRYPTO_ALGAPI | |
b9f535ff JF |
238 | select CRYPTO_TWOFISH_COMMON |
239 | help | |
240 | Twofish cipher algorithm. | |
241 | ||
242 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
243 | candidate cipher by researchers at CounterPane Systems. It is a | |
244 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
245 | bits. | |
246 | ||
247 | See also: | |
248 | <http://www.schneier.com/twofish.html> | |
249 | ||
eaf44088 JF |
250 | config CRYPTO_TWOFISH_X86_64 |
251 | tristate "Twofish cipher algorithm (x86_64)" | |
cce9e06d HX |
252 | depends on (X86 || UML_X86) && 64BIT |
253 | select CRYPTO_ALGAPI | |
eaf44088 JF |
254 | select CRYPTO_TWOFISH_COMMON |
255 | help | |
256 | Twofish cipher algorithm (x86_64). | |
257 | ||
258 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
259 | candidate cipher by researchers at CounterPane Systems. It is a | |
260 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
261 | bits. | |
262 | ||
263 | See also: | |
264 | <http://www.schneier.com/twofish.html> | |
265 | ||
1da177e4 LT |
266 | config CRYPTO_SERPENT |
267 | tristate "Serpent cipher algorithm" | |
cce9e06d | 268 | select CRYPTO_ALGAPI |
1da177e4 LT |
269 | help |
270 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. | |
271 | ||
272 | Keys are allowed to be from 0 to 256 bits in length, in steps | |
273 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
3dde6ad8 | 274 | variant of Serpent for compatibility with old kerneli.org code. |
1da177e4 LT |
275 | |
276 | See also: | |
277 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
278 | ||
279 | config CRYPTO_AES | |
280 | tristate "AES cipher algorithms" | |
cce9e06d | 281 | select CRYPTO_ALGAPI |
1da177e4 LT |
282 | help |
283 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
284 | algorithm. | |
285 | ||
286 | Rijndael appears to be consistently a very good performer in | |
287 | both hardware and software across a wide range of computing | |
288 | environments regardless of its use in feedback or non-feedback | |
289 | modes. Its key setup time is excellent, and its key agility is | |
290 | good. Rijndael's very low memory requirements make it very well | |
291 | suited for restricted-space environments, in which it also | |
292 | demonstrates excellent performance. Rijndael's operations are | |
293 | among the easiest to defend against power and timing attacks. | |
294 | ||
295 | The AES specifies three key sizes: 128, 192 and 256 bits | |
296 | ||
297 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
298 | ||
299 | config CRYPTO_AES_586 | |
300 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
301 | depends on (X86 || UML_X86) && !64BIT |
302 | select CRYPTO_ALGAPI | |
1da177e4 LT |
303 | help |
304 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
305 | algorithm. | |
306 | ||
307 | Rijndael appears to be consistently a very good performer in | |
308 | both hardware and software across a wide range of computing | |
309 | environments regardless of its use in feedback or non-feedback | |
310 | modes. Its key setup time is excellent, and its key agility is | |
311 | good. Rijndael's very low memory requirements make it very well | |
312 | suited for restricted-space environments, in which it also | |
313 | demonstrates excellent performance. Rijndael's operations are | |
314 | among the easiest to defend against power and timing attacks. | |
315 | ||
316 | The AES specifies three key sizes: 128, 192 and 256 bits | |
a2a892a2 AS |
317 | |
318 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
319 | ||
320 | config CRYPTO_AES_X86_64 | |
321 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
322 | depends on (X86 || UML_X86) && 64BIT |
323 | select CRYPTO_ALGAPI | |
a2a892a2 AS |
324 | help |
325 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
326 | algorithm. | |
327 | ||
328 | Rijndael appears to be consistently a very good performer in | |
329 | both hardware and software across a wide range of computing | |
330 | environments regardless of its use in feedback or non-feedback | |
331 | modes. Its key setup time is excellent, and its key agility is | |
332 | good. Rijndael's very low memory requirements make it very well | |
333 | suited for restricted-space environments, in which it also | |
334 | demonstrates excellent performance. Rijndael's operations are | |
335 | among the easiest to defend against power and timing attacks. | |
336 | ||
337 | The AES specifies three key sizes: 128, 192 and 256 bits | |
1da177e4 LT |
338 | |
339 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
340 | ||
341 | config CRYPTO_CAST5 | |
342 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 343 | select CRYPTO_ALGAPI |
1da177e4 LT |
344 | help |
345 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
346 | described in RFC2144. | |
347 | ||
348 | config CRYPTO_CAST6 | |
349 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 350 | select CRYPTO_ALGAPI |
1da177e4 LT |
351 | help |
352 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
353 | described in RFC2612. | |
354 | ||
355 | config CRYPTO_TEA | |
fb4f10ed | 356 | tristate "TEA, XTEA and XETA cipher algorithms" |
cce9e06d | 357 | select CRYPTO_ALGAPI |
1da177e4 LT |
358 | help |
359 | TEA cipher algorithm. | |
360 | ||
361 | Tiny Encryption Algorithm is a simple cipher that uses | |
362 | many rounds for security. It is very fast and uses | |
363 | little memory. | |
364 | ||
365 | Xtendend Tiny Encryption Algorithm is a modification to | |
366 | the TEA algorithm to address a potential key weakness | |
367 | in the TEA algorithm. | |
368 | ||
fb4f10ed AG |
369 | Xtendend Encryption Tiny Algorithm is a mis-implementation |
370 | of the XTEA algorithm for compatibility purposes. | |
371 | ||
1da177e4 LT |
372 | config CRYPTO_ARC4 |
373 | tristate "ARC4 cipher algorithm" | |
cce9e06d | 374 | select CRYPTO_ALGAPI |
1da177e4 LT |
375 | help |
376 | ARC4 cipher algorithm. | |
377 | ||
378 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
379 | bits in length. This algorithm is required for driver-based | |
380 | WEP, but it should not be for other purposes because of the | |
381 | weakness of the algorithm. | |
382 | ||
383 | config CRYPTO_KHAZAD | |
384 | tristate "Khazad cipher algorithm" | |
cce9e06d | 385 | select CRYPTO_ALGAPI |
1da177e4 LT |
386 | help |
387 | Khazad cipher algorithm. | |
388 | ||
389 | Khazad was a finalist in the initial NESSIE competition. It is | |
390 | an algorithm optimized for 64-bit processors with good performance | |
391 | on 32-bit processors. Khazad uses an 128 bit key size. | |
392 | ||
393 | See also: | |
394 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
395 | ||
396 | config CRYPTO_ANUBIS | |
397 | tristate "Anubis cipher algorithm" | |
cce9e06d | 398 | select CRYPTO_ALGAPI |
1da177e4 LT |
399 | help |
400 | Anubis cipher algorithm. | |
401 | ||
402 | Anubis is a variable key length cipher which can use keys from | |
403 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
404 | in the NESSIE competition. | |
405 | ||
406 | See also: | |
407 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
408 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
409 | ||
410 | ||
411 | config CRYPTO_DEFLATE | |
412 | tristate "Deflate compression algorithm" | |
cce9e06d | 413 | select CRYPTO_ALGAPI |
1da177e4 LT |
414 | select ZLIB_INFLATE |
415 | select ZLIB_DEFLATE | |
416 | help | |
417 | This is the Deflate algorithm (RFC1951), specified for use in | |
418 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
419 | ||
420 | You will most probably want this if using IPSec. | |
421 | ||
422 | config CRYPTO_MICHAEL_MIC | |
423 | tristate "Michael MIC keyed digest algorithm" | |
cce9e06d | 424 | select CRYPTO_ALGAPI |
1da177e4 LT |
425 | help |
426 | Michael MIC is used for message integrity protection in TKIP | |
427 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
428 | should not be used for other purposes because of the weakness | |
429 | of the algorithm. | |
430 | ||
431 | config CRYPTO_CRC32C | |
432 | tristate "CRC32c CRC algorithm" | |
cce9e06d | 433 | select CRYPTO_ALGAPI |
1da177e4 LT |
434 | select LIBCRC32C |
435 | help | |
436 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used | |
437 | by iSCSI for header and data digests and by others. | |
438 | See Castagnoli93. This implementation uses lib/libcrc32c. | |
439 | Module will be crc32c. | |
440 | ||
04ac7db3 NT |
441 | config CRYPTO_CAMELLIA |
442 | tristate "Camellia cipher algorithms" | |
443 | depends on CRYPTO | |
444 | select CRYPTO_ALGAPI | |
445 | help | |
446 | Camellia cipher algorithms module. | |
447 | ||
448 | Camellia is a symmetric key block cipher developed jointly | |
449 | at NTT and Mitsubishi Electric Corporation. | |
450 | ||
451 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
452 | ||
453 | See also: | |
454 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
455 | ||
1da177e4 LT |
456 | config CRYPTO_TEST |
457 | tristate "Testing module" | |
cce9e06d HX |
458 | depends on m |
459 | select CRYPTO_ALGAPI | |
1da177e4 LT |
460 | help |
461 | Quick & dirty crypto test module. | |
462 | ||
463 | source "drivers/crypto/Kconfig" | |
1da177e4 | 464 | |
cce9e06d HX |
465 | endif # if CRYPTO |
466 | ||
467 | endmenu |