Commit | Line | Data |
---|---|---|
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 | ||
5cde0af2 HX |
19 | config CRYPTO_BLKCIPHER |
20 | tristate | |
21 | select CRYPTO_ALGAPI | |
22 | ||
055bcee3 HX |
23 | config CRYPTO_HASH |
24 | tristate | |
25 | select CRYPTO_ALGAPI | |
26 | ||
2b8c19db HX |
27 | config CRYPTO_MANAGER |
28 | tristate "Cryptographic algorithm manager" | |
29 | select CRYPTO_ALGAPI | |
2b8c19db HX |
30 | help |
31 | Create default cryptographic template instantiations such as | |
32 | cbc(aes). | |
33 | ||
1da177e4 | 34 | config CRYPTO_HMAC |
8425165d | 35 | tristate "HMAC support" |
0796ae06 | 36 | select CRYPTO_HASH |
43518407 | 37 | select CRYPTO_MANAGER |
1da177e4 LT |
38 | help |
39 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). | |
40 | This is required for IPSec. | |
41 | ||
333b0d7e KM |
42 | config CRYPTO_XCBC |
43 | tristate "XCBC support" | |
44 | depends on EXPERIMENTAL | |
45 | select CRYPTO_HASH | |
46 | select CRYPTO_MANAGER | |
47 | help | |
48 | XCBC: Keyed-Hashing with encryption algorithm | |
49 | http://www.ietf.org/rfc/rfc3566.txt | |
50 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
51 | xcbc-mac/xcbc-mac-spec.pdf | |
52 | ||
1da177e4 LT |
53 | config CRYPTO_NULL |
54 | tristate "Null algorithms" | |
cce9e06d | 55 | select CRYPTO_ALGAPI |
1da177e4 LT |
56 | help |
57 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
58 | ||
59 | config CRYPTO_MD4 | |
60 | tristate "MD4 digest algorithm" | |
cce9e06d | 61 | select CRYPTO_ALGAPI |
1da177e4 LT |
62 | help |
63 | MD4 message digest algorithm (RFC1320). | |
64 | ||
65 | config CRYPTO_MD5 | |
66 | tristate "MD5 digest algorithm" | |
cce9e06d | 67 | select CRYPTO_ALGAPI |
1da177e4 LT |
68 | help |
69 | MD5 message digest algorithm (RFC1321). | |
70 | ||
71 | config CRYPTO_SHA1 | |
72 | tristate "SHA1 digest algorithm" | |
cce9e06d | 73 | select CRYPTO_ALGAPI |
1da177e4 LT |
74 | help |
75 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). | |
76 | ||
c1e26e1e JG |
77 | config CRYPTO_SHA1_S390 |
78 | tristate "SHA1 digest algorithm (s390)" | |
cce9e06d HX |
79 | depends on S390 |
80 | select CRYPTO_ALGAPI | |
1da177e4 | 81 | help |
0a497c17 | 82 | This is the s390 hardware accelerated implementation of the |
1da177e4 LT |
83 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
84 | ||
85 | config CRYPTO_SHA256 | |
86 | tristate "SHA256 digest algorithm" | |
cce9e06d | 87 | select CRYPTO_ALGAPI |
1da177e4 LT |
88 | help |
89 | SHA256 secure hash standard (DFIPS 180-2). | |
90 | ||
91 | This version of SHA implements a 256 bit hash with 128 bits of | |
92 | security against collision attacks. | |
93 | ||
0a497c17 JG |
94 | config CRYPTO_SHA256_S390 |
95 | tristate "SHA256 digest algorithm (s390)" | |
cce9e06d HX |
96 | depends on S390 |
97 | select CRYPTO_ALGAPI | |
0a497c17 JG |
98 | help |
99 | This is the s390 hardware accelerated implementation of the | |
100 | SHA256 secure hash standard (DFIPS 180-2). | |
101 | ||
102 | This version of SHA implements a 256 bit hash with 128 bits of | |
103 | security against collision attacks. | |
104 | ||
1da177e4 LT |
105 | config CRYPTO_SHA512 |
106 | tristate "SHA384 and SHA512 digest algorithms" | |
cce9e06d | 107 | select CRYPTO_ALGAPI |
1da177e4 LT |
108 | help |
109 | SHA512 secure hash standard (DFIPS 180-2). | |
110 | ||
111 | This version of SHA implements a 512 bit hash with 256 bits of | |
112 | security against collision attacks. | |
113 | ||
114 | This code also includes SHA-384, a 384 bit hash with 192 bits | |
115 | of security against collision attacks. | |
116 | ||
117 | config CRYPTO_WP512 | |
118 | tristate "Whirlpool digest algorithms" | |
cce9e06d | 119 | select CRYPTO_ALGAPI |
1da177e4 LT |
120 | help |
121 | Whirlpool hash algorithm 512, 384 and 256-bit hashes | |
122 | ||
123 | Whirlpool-512 is part of the NESSIE cryptographic primitives. | |
124 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
125 | ||
126 | See also: | |
127 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> | |
128 | ||
129 | config CRYPTO_TGR192 | |
130 | tristate "Tiger digest algorithms" | |
cce9e06d | 131 | select CRYPTO_ALGAPI |
1da177e4 LT |
132 | help |
133 | Tiger hash algorithm 192, 160 and 128-bit hashes | |
134 | ||
135 | Tiger is a hash function optimized for 64-bit processors while | |
136 | still having decent performance on 32-bit processors. | |
137 | Tiger was developed by Ross Anderson and Eli Biham. | |
138 | ||
139 | See also: | |
140 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. | |
141 | ||
c494e070 RS |
142 | config CRYPTO_GF128MUL |
143 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
144 | depends on EXPERIMENTAL | |
145 | help | |
146 | Efficient table driven implementation of multiplications in the | |
147 | field GF(2^128). This is needed by some cypher modes. This | |
148 | option will be selected automatically if you select such a | |
149 | cipher mode. Only select this option by hand if you expect to load | |
150 | an external module that requires these functions. | |
151 | ||
db131ef9 HX |
152 | config CRYPTO_ECB |
153 | tristate "ECB support" | |
154 | select CRYPTO_BLKCIPHER | |
43518407 | 155 | select CRYPTO_MANAGER |
db131ef9 HX |
156 | default m |
157 | help | |
158 | ECB: Electronic CodeBook mode | |
159 | This is the simplest block cipher algorithm. It simply encrypts | |
160 | the input block by block. | |
161 | ||
162 | config CRYPTO_CBC | |
163 | tristate "CBC support" | |
164 | select CRYPTO_BLKCIPHER | |
43518407 | 165 | select CRYPTO_MANAGER |
db131ef9 HX |
166 | default m |
167 | help | |
168 | CBC: Cipher Block Chaining mode | |
169 | This block cipher algorithm is required for IPSec. | |
170 | ||
91652be5 DH |
171 | config CRYPTO_PCBC |
172 | tristate "PCBC support" | |
173 | select CRYPTO_BLKCIPHER | |
174 | select CRYPTO_MANAGER | |
175 | default m | |
176 | help | |
177 | PCBC: Propagating Cipher Block Chaining mode | |
178 | This block cipher algorithm is required for RxRPC. | |
179 | ||
64470f1b RS |
180 | config CRYPTO_LRW |
181 | tristate "LRW support (EXPERIMENTAL)" | |
182 | depends on EXPERIMENTAL | |
183 | select CRYPTO_BLKCIPHER | |
184 | select CRYPTO_MANAGER | |
185 | select CRYPTO_GF128MUL | |
186 | help | |
187 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
188 | narrow block cipher mode for dm-crypt. Use it with cipher | |
189 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
190 | The first 128, 192 or 256 bits in the key are used for AES and the | |
191 | rest is used to tie each cipher block to its logical position. | |
192 | ||
1da177e4 LT |
193 | config CRYPTO_DES |
194 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 195 | select CRYPTO_ALGAPI |
1da177e4 LT |
196 | help |
197 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). | |
198 | ||
c1e26e1e JG |
199 | config CRYPTO_DES_S390 |
200 | tristate "DES and Triple DES cipher algorithms (s390)" | |
cce9e06d HX |
201 | depends on S390 |
202 | select CRYPTO_ALGAPI | |
a9e62fad | 203 | select CRYPTO_BLKCIPHER |
1da177e4 LT |
204 | help |
205 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). | |
206 | ||
207 | config CRYPTO_BLOWFISH | |
208 | tristate "Blowfish cipher algorithm" | |
cce9e06d | 209 | select CRYPTO_ALGAPI |
1da177e4 LT |
210 | help |
211 | Blowfish cipher algorithm, by Bruce Schneier. | |
212 | ||
213 | This is a variable key length cipher which can use keys from 32 | |
214 | bits to 448 bits in length. It's fast, simple and specifically | |
215 | designed for use on "large microprocessors". | |
216 | ||
217 | See also: | |
218 | <http://www.schneier.com/blowfish.html> | |
219 | ||
220 | config CRYPTO_TWOFISH | |
221 | tristate "Twofish cipher algorithm" | |
cce9e06d | 222 | select CRYPTO_ALGAPI |
2729bb42 | 223 | select CRYPTO_TWOFISH_COMMON |
1da177e4 LT |
224 | help |
225 | Twofish cipher algorithm. | |
226 | ||
227 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
228 | candidate cipher by researchers at CounterPane Systems. It is a | |
229 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
230 | bits. | |
231 | ||
232 | See also: | |
233 | <http://www.schneier.com/twofish.html> | |
234 | ||
2729bb42 JF |
235 | config CRYPTO_TWOFISH_COMMON |
236 | tristate | |
2729bb42 JF |
237 | help |
238 | Common parts of the Twofish cipher algorithm shared by the | |
239 | generic c and the assembler implementations. | |
240 | ||
b9f535ff JF |
241 | config CRYPTO_TWOFISH_586 |
242 | tristate "Twofish cipher algorithms (i586)" | |
cce9e06d HX |
243 | depends on (X86 || UML_X86) && !64BIT |
244 | select CRYPTO_ALGAPI | |
b9f535ff JF |
245 | select CRYPTO_TWOFISH_COMMON |
246 | help | |
247 | Twofish cipher algorithm. | |
248 | ||
249 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
250 | candidate cipher by researchers at CounterPane Systems. It is a | |
251 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
252 | bits. | |
253 | ||
254 | See also: | |
255 | <http://www.schneier.com/twofish.html> | |
256 | ||
eaf44088 JF |
257 | config CRYPTO_TWOFISH_X86_64 |
258 | tristate "Twofish cipher algorithm (x86_64)" | |
cce9e06d HX |
259 | depends on (X86 || UML_X86) && 64BIT |
260 | select CRYPTO_ALGAPI | |
eaf44088 JF |
261 | select CRYPTO_TWOFISH_COMMON |
262 | help | |
263 | Twofish cipher algorithm (x86_64). | |
264 | ||
265 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
266 | candidate cipher by researchers at CounterPane Systems. It is a | |
267 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
268 | bits. | |
269 | ||
270 | See also: | |
271 | <http://www.schneier.com/twofish.html> | |
272 | ||
1da177e4 LT |
273 | config CRYPTO_SERPENT |
274 | tristate "Serpent cipher algorithm" | |
cce9e06d | 275 | select CRYPTO_ALGAPI |
1da177e4 LT |
276 | help |
277 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. | |
278 | ||
279 | Keys are allowed to be from 0 to 256 bits in length, in steps | |
280 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
281 | variant of Serpent for compatibility with old kerneli code. | |
282 | ||
283 | See also: | |
284 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
285 | ||
286 | config CRYPTO_AES | |
287 | tristate "AES cipher algorithms" | |
cce9e06d | 288 | select CRYPTO_ALGAPI |
1da177e4 LT |
289 | help |
290 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
291 | algorithm. | |
292 | ||
293 | Rijndael appears to be consistently a very good performer in | |
294 | both hardware and software across a wide range of computing | |
295 | environments regardless of its use in feedback or non-feedback | |
296 | modes. Its key setup time is excellent, and its key agility is | |
297 | good. Rijndael's very low memory requirements make it very well | |
298 | suited for restricted-space environments, in which it also | |
299 | demonstrates excellent performance. Rijndael's operations are | |
300 | among the easiest to defend against power and timing attacks. | |
301 | ||
302 | The AES specifies three key sizes: 128, 192 and 256 bits | |
303 | ||
304 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
305 | ||
306 | config CRYPTO_AES_586 | |
307 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
308 | depends on (X86 || UML_X86) && !64BIT |
309 | select CRYPTO_ALGAPI | |
1da177e4 LT |
310 | help |
311 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
312 | algorithm. | |
313 | ||
314 | Rijndael appears to be consistently a very good performer in | |
315 | both hardware and software across a wide range of computing | |
316 | environments regardless of its use in feedback or non-feedback | |
317 | modes. Its key setup time is excellent, and its key agility is | |
318 | good. Rijndael's very low memory requirements make it very well | |
319 | suited for restricted-space environments, in which it also | |
320 | demonstrates excellent performance. Rijndael's operations are | |
321 | among the easiest to defend against power and timing attacks. | |
322 | ||
323 | The AES specifies three key sizes: 128, 192 and 256 bits | |
a2a892a2 AS |
324 | |
325 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
326 | ||
327 | config CRYPTO_AES_X86_64 | |
328 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
329 | depends on (X86 || UML_X86) && 64BIT |
330 | select CRYPTO_ALGAPI | |
a2a892a2 AS |
331 | help |
332 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
333 | algorithm. | |
334 | ||
335 | Rijndael appears to be consistently a very good performer in | |
336 | both hardware and software across a wide range of computing | |
337 | environments regardless of its use in feedback or non-feedback | |
338 | modes. Its key setup time is excellent, and its key agility is | |
339 | good. Rijndael's very low memory requirements make it very well | |
340 | suited for restricted-space environments, in which it also | |
341 | demonstrates excellent performance. Rijndael's operations are | |
342 | among the easiest to defend against power and timing attacks. | |
343 | ||
344 | The AES specifies three key sizes: 128, 192 and 256 bits | |
1da177e4 LT |
345 | |
346 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
347 | ||
bf754ae8 JG |
348 | config CRYPTO_AES_S390 |
349 | tristate "AES cipher algorithms (s390)" | |
cce9e06d HX |
350 | depends on S390 |
351 | select CRYPTO_ALGAPI | |
a9e62fad | 352 | select CRYPTO_BLKCIPHER |
bf754ae8 JG |
353 | help |
354 | This is the s390 hardware accelerated implementation of the | |
355 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
356 | algorithm. | |
357 | ||
358 | Rijndael appears to be consistently a very good performer in | |
359 | both hardware and software across a wide range of computing | |
360 | environments regardless of its use in feedback or non-feedback | |
361 | modes. Its key setup time is excellent, and its key agility is | |
362 | good. Rijndael's very low memory requirements make it very well | |
363 | suited for restricted-space environments, in which it also | |
364 | demonstrates excellent performance. Rijndael's operations are | |
365 | among the easiest to defend against power and timing attacks. | |
366 | ||
367 | On s390 the System z9-109 currently only supports the key size | |
368 | of 128 bit. | |
369 | ||
1da177e4 LT |
370 | config CRYPTO_CAST5 |
371 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 372 | select CRYPTO_ALGAPI |
1da177e4 LT |
373 | help |
374 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
375 | described in RFC2144. | |
376 | ||
377 | config CRYPTO_CAST6 | |
378 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 379 | select CRYPTO_ALGAPI |
1da177e4 LT |
380 | help |
381 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
382 | described in RFC2612. | |
383 | ||
384 | config CRYPTO_TEA | |
fb4f10ed | 385 | tristate "TEA, XTEA and XETA cipher algorithms" |
cce9e06d | 386 | select CRYPTO_ALGAPI |
1da177e4 LT |
387 | help |
388 | TEA cipher algorithm. | |
389 | ||
390 | Tiny Encryption Algorithm is a simple cipher that uses | |
391 | many rounds for security. It is very fast and uses | |
392 | little memory. | |
393 | ||
394 | Xtendend Tiny Encryption Algorithm is a modification to | |
395 | the TEA algorithm to address a potential key weakness | |
396 | in the TEA algorithm. | |
397 | ||
fb4f10ed AG |
398 | Xtendend Encryption Tiny Algorithm is a mis-implementation |
399 | of the XTEA algorithm for compatibility purposes. | |
400 | ||
1da177e4 LT |
401 | config CRYPTO_ARC4 |
402 | tristate "ARC4 cipher algorithm" | |
cce9e06d | 403 | select CRYPTO_ALGAPI |
1da177e4 LT |
404 | help |
405 | ARC4 cipher algorithm. | |
406 | ||
407 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
408 | bits in length. This algorithm is required for driver-based | |
409 | WEP, but it should not be for other purposes because of the | |
410 | weakness of the algorithm. | |
411 | ||
412 | config CRYPTO_KHAZAD | |
413 | tristate "Khazad cipher algorithm" | |
cce9e06d | 414 | select CRYPTO_ALGAPI |
1da177e4 LT |
415 | help |
416 | Khazad cipher algorithm. | |
417 | ||
418 | Khazad was a finalist in the initial NESSIE competition. It is | |
419 | an algorithm optimized for 64-bit processors with good performance | |
420 | on 32-bit processors. Khazad uses an 128 bit key size. | |
421 | ||
422 | See also: | |
423 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
424 | ||
425 | config CRYPTO_ANUBIS | |
426 | tristate "Anubis cipher algorithm" | |
cce9e06d | 427 | select CRYPTO_ALGAPI |
1da177e4 LT |
428 | help |
429 | Anubis cipher algorithm. | |
430 | ||
431 | Anubis is a variable key length cipher which can use keys from | |
432 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
433 | in the NESSIE competition. | |
434 | ||
435 | See also: | |
436 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
437 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
438 | ||
439 | ||
440 | config CRYPTO_DEFLATE | |
441 | tristate "Deflate compression algorithm" | |
cce9e06d | 442 | select CRYPTO_ALGAPI |
1da177e4 LT |
443 | select ZLIB_INFLATE |
444 | select ZLIB_DEFLATE | |
445 | help | |
446 | This is the Deflate algorithm (RFC1951), specified for use in | |
447 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
448 | ||
449 | You will most probably want this if using IPSec. | |
450 | ||
451 | config CRYPTO_MICHAEL_MIC | |
452 | tristate "Michael MIC keyed digest algorithm" | |
cce9e06d | 453 | select CRYPTO_ALGAPI |
1da177e4 LT |
454 | help |
455 | Michael MIC is used for message integrity protection in TKIP | |
456 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
457 | should not be used for other purposes because of the weakness | |
458 | of the algorithm. | |
459 | ||
460 | config CRYPTO_CRC32C | |
461 | tristate "CRC32c CRC algorithm" | |
cce9e06d | 462 | select CRYPTO_ALGAPI |
1da177e4 LT |
463 | select LIBCRC32C |
464 | help | |
465 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used | |
466 | by iSCSI for header and data digests and by others. | |
467 | See Castagnoli93. This implementation uses lib/libcrc32c. | |
468 | Module will be crc32c. | |
469 | ||
470 | config CRYPTO_TEST | |
471 | tristate "Testing module" | |
cce9e06d HX |
472 | depends on m |
473 | select CRYPTO_ALGAPI | |
1da177e4 LT |
474 | help |
475 | Quick & dirty crypto test module. | |
476 | ||
477 | source "drivers/crypto/Kconfig" | |
1da177e4 | 478 | |
cce9e06d HX |
479 | endif # if CRYPTO |
480 | ||
481 | endmenu |