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 |
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 | ||
cce9e06d HX |
24 | config CRYPTO_ALGAPI |
25 | tristate | |
26 | help | |
27 | This option provides the API for cryptographic algorithms. | |
28 | ||
1ae97820 HX |
29 | config CRYPTO_AEAD |
30 | tristate | |
31 | select CRYPTO_ALGAPI | |
32 | ||
5cde0af2 HX |
33 | config CRYPTO_BLKCIPHER |
34 | tristate | |
35 | select CRYPTO_ALGAPI | |
36 | ||
055bcee3 HX |
37 | config CRYPTO_HASH |
38 | tristate | |
39 | select CRYPTO_ALGAPI | |
40 | ||
2b8c19db HX |
41 | config CRYPTO_MANAGER |
42 | tristate "Cryptographic algorithm manager" | |
43 | select CRYPTO_ALGAPI | |
2b8c19db HX |
44 | help |
45 | Create default cryptographic template instantiations such as | |
46 | cbc(aes). | |
47 | ||
584fffc8 SS |
48 | config CRYPTO_GF128MUL |
49 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
333b0d7e | 50 | depends on EXPERIMENTAL |
333b0d7e | 51 | help |
584fffc8 SS |
52 | Efficient table driven implementation of multiplications in the |
53 | field GF(2^128). This is needed by some cypher modes. This | |
54 | option will be selected automatically if you select such a | |
55 | cipher mode. Only select this option by hand if you expect to load | |
56 | an external module that requires these functions. | |
333b0d7e | 57 | |
1da177e4 LT |
58 | config CRYPTO_NULL |
59 | tristate "Null algorithms" | |
cce9e06d | 60 | select CRYPTO_ALGAPI |
c8620c25 | 61 | select CRYPTO_BLKCIPHER |
1da177e4 LT |
62 | help |
63 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
64 | ||
584fffc8 SS |
65 | config CRYPTO_CRYPTD |
66 | tristate "Software async crypto daemon" | |
67 | select CRYPTO_BLKCIPHER | |
68 | select CRYPTO_MANAGER | |
1da177e4 | 69 | help |
584fffc8 SS |
70 | This is a generic software asynchronous crypto daemon that |
71 | converts an arbitrary synchronous software crypto algorithm | |
72 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 73 | |
584fffc8 SS |
74 | config CRYPTO_AUTHENC |
75 | tristate "Authenc support" | |
76 | select CRYPTO_AEAD | |
77 | select CRYPTO_BLKCIPHER | |
78 | select CRYPTO_MANAGER | |
79 | select CRYPTO_HASH | |
1da177e4 | 80 | help |
584fffc8 SS |
81 | Authenc: Combined mode wrapper for IPsec. |
82 | This is required for IPSec. | |
1da177e4 | 83 | |
584fffc8 SS |
84 | config CRYPTO_TEST |
85 | tristate "Testing module" | |
86 | depends on m | |
cce9e06d | 87 | select CRYPTO_ALGAPI |
584fffc8 SS |
88 | select CRYPTO_AEAD |
89 | select CRYPTO_BLKCIPHER | |
1da177e4 | 90 | help |
584fffc8 | 91 | Quick & dirty crypto test module. |
1da177e4 | 92 | |
584fffc8 | 93 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 94 | |
584fffc8 SS |
95 | config CRYPTO_CCM |
96 | tristate "CCM support" | |
97 | select CRYPTO_CTR | |
98 | select CRYPTO_AEAD | |
1da177e4 | 99 | help |
584fffc8 | 100 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 101 | |
584fffc8 SS |
102 | config CRYPTO_GCM |
103 | tristate "GCM/GMAC support" | |
104 | select CRYPTO_CTR | |
105 | select CRYPTO_AEAD | |
106 | select CRYPTO_GF128MUL | |
1da177e4 | 107 | help |
584fffc8 SS |
108 | Support for Galois/Counter Mode (GCM) and Galois Message |
109 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 110 | |
584fffc8 SS |
111 | config CRYPTO_SEQIV |
112 | tristate "Sequence Number IV Generator" | |
113 | select CRYPTO_AEAD | |
114 | select CRYPTO_BLKCIPHER | |
1da177e4 | 115 | help |
584fffc8 SS |
116 | This IV generator generates an IV based on a sequence number by |
117 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 118 | |
584fffc8 | 119 | comment "Block modes" |
c494e070 | 120 | |
584fffc8 SS |
121 | config CRYPTO_CBC |
122 | tristate "CBC support" | |
db131ef9 | 123 | select CRYPTO_BLKCIPHER |
43518407 | 124 | select CRYPTO_MANAGER |
db131ef9 | 125 | help |
584fffc8 SS |
126 | CBC: Cipher Block Chaining mode |
127 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 128 | |
584fffc8 SS |
129 | config CRYPTO_CTR |
130 | tristate "CTR support" | |
db131ef9 | 131 | select CRYPTO_BLKCIPHER |
584fffc8 | 132 | select CRYPTO_SEQIV |
43518407 | 133 | select CRYPTO_MANAGER |
db131ef9 | 134 | help |
584fffc8 | 135 | CTR: Counter mode |
db131ef9 HX |
136 | This block cipher algorithm is required for IPSec. |
137 | ||
584fffc8 SS |
138 | config CRYPTO_CTS |
139 | tristate "CTS support" | |
140 | select CRYPTO_BLKCIPHER | |
141 | help | |
142 | CTS: Cipher Text Stealing | |
143 | This is the Cipher Text Stealing mode as described by | |
144 | Section 8 of rfc2040 and referenced by rfc3962. | |
145 | (rfc3962 includes errata information in its Appendix A) | |
146 | This mode is required for Kerberos gss mechanism support | |
147 | for AES encryption. | |
148 | ||
149 | config CRYPTO_ECB | |
150 | tristate "ECB support" | |
91652be5 DH |
151 | select CRYPTO_BLKCIPHER |
152 | select CRYPTO_MANAGER | |
91652be5 | 153 | help |
584fffc8 SS |
154 | ECB: Electronic CodeBook mode |
155 | This is the simplest block cipher algorithm. It simply encrypts | |
156 | the input block by block. | |
91652be5 | 157 | |
64470f1b RS |
158 | config CRYPTO_LRW |
159 | tristate "LRW support (EXPERIMENTAL)" | |
160 | depends on EXPERIMENTAL | |
161 | select CRYPTO_BLKCIPHER | |
162 | select CRYPTO_MANAGER | |
163 | select CRYPTO_GF128MUL | |
164 | help | |
165 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
166 | narrow block cipher mode for dm-crypt. Use it with cipher | |
167 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
168 | The first 128, 192 or 256 bits in the key are used for AES and the | |
169 | rest is used to tie each cipher block to its logical position. | |
170 | ||
584fffc8 SS |
171 | config CRYPTO_PCBC |
172 | tristate "PCBC support" | |
173 | select CRYPTO_BLKCIPHER | |
174 | select CRYPTO_MANAGER | |
175 | help | |
176 | PCBC: Propagating Cipher Block Chaining mode | |
177 | This block cipher algorithm is required for RxRPC. | |
178 | ||
f19f5111 RS |
179 | config CRYPTO_XTS |
180 | tristate "XTS support (EXPERIMENTAL)" | |
181 | depends on EXPERIMENTAL | |
182 | select CRYPTO_BLKCIPHER | |
183 | select CRYPTO_MANAGER | |
184 | select CRYPTO_GF128MUL | |
185 | help | |
186 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
187 | key size 256, 384 or 512 bits. This implementation currently | |
188 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
189 | ||
584fffc8 SS |
190 | comment "Hash modes" |
191 | ||
192 | config CRYPTO_HMAC | |
193 | tristate "HMAC support" | |
194 | select CRYPTO_HASH | |
23e353c8 | 195 | select CRYPTO_MANAGER |
23e353c8 | 196 | help |
584fffc8 SS |
197 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
198 | This is required for IPSec. | |
23e353c8 | 199 | |
584fffc8 SS |
200 | config CRYPTO_XCBC |
201 | tristate "XCBC support" | |
202 | depends on EXPERIMENTAL | |
203 | select CRYPTO_HASH | |
204 | select CRYPTO_MANAGER | |
76cb9521 | 205 | help |
584fffc8 SS |
206 | XCBC: Keyed-Hashing with encryption algorithm |
207 | http://www.ietf.org/rfc/rfc3566.txt | |
208 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
209 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 210 | |
584fffc8 | 211 | comment "Digest" |
28db8e3e | 212 | |
584fffc8 SS |
213 | config CRYPTO_CRC32C |
214 | tristate "CRC32c CRC algorithm" | |
215 | select CRYPTO_ALGAPI | |
216 | select LIBCRC32C | |
4a49b499 | 217 | help |
584fffc8 SS |
218 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
219 | by iSCSI for header and data digests and by others. | |
220 | See Castagnoli93. This implementation uses lib/libcrc32c. | |
221 | Module will be crc32c. | |
4a49b499 | 222 | |
584fffc8 SS |
223 | config CRYPTO_MD4 |
224 | tristate "MD4 digest algorithm" | |
225 | select CRYPTO_ALGAPI | |
124b53d0 | 226 | help |
584fffc8 | 227 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 228 | |
584fffc8 SS |
229 | config CRYPTO_MD5 |
230 | tristate "MD5 digest algorithm" | |
cce9e06d | 231 | select CRYPTO_ALGAPI |
1da177e4 | 232 | help |
584fffc8 | 233 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 234 | |
584fffc8 SS |
235 | config CRYPTO_MICHAEL_MIC |
236 | tristate "Michael MIC keyed digest algorithm" | |
90831639 | 237 | select CRYPTO_ALGAPI |
90831639 | 238 | help |
584fffc8 SS |
239 | Michael MIC is used for message integrity protection in TKIP |
240 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
241 | should not be used for other purposes because of the weakness | |
242 | of the algorithm. | |
90831639 | 243 | |
584fffc8 SS |
244 | config CRYPTO_SHA1 |
245 | tristate "SHA1 digest algorithm" | |
cce9e06d | 246 | select CRYPTO_ALGAPI |
1da177e4 | 247 | help |
584fffc8 | 248 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 249 | |
584fffc8 SS |
250 | config CRYPTO_SHA256 |
251 | tristate "SHA224 and SHA256 digest algorithm" | |
cce9e06d | 252 | select CRYPTO_ALGAPI |
1da177e4 | 253 | help |
584fffc8 | 254 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 255 | |
584fffc8 SS |
256 | This version of SHA implements a 256 bit hash with 128 bits of |
257 | security against collision attacks. | |
2729bb42 | 258 | |
584fffc8 SS |
259 | This code also includes SHA-224, a 224 bit hash with 112 bits |
260 | of security against collision attacks. | |
261 | ||
262 | config CRYPTO_SHA512 | |
263 | tristate "SHA384 and SHA512 digest algorithms" | |
cce9e06d | 264 | select CRYPTO_ALGAPI |
b9f535ff | 265 | help |
584fffc8 | 266 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 267 | |
584fffc8 SS |
268 | This version of SHA implements a 512 bit hash with 256 bits of |
269 | security against collision attacks. | |
b9f535ff | 270 | |
584fffc8 SS |
271 | This code also includes SHA-384, a 384 bit hash with 192 bits |
272 | of security against collision attacks. | |
b9f535ff | 273 | |
584fffc8 SS |
274 | config CRYPTO_TGR192 |
275 | tristate "Tiger digest algorithms" | |
cce9e06d | 276 | select CRYPTO_ALGAPI |
eaf44088 | 277 | help |
584fffc8 | 278 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 279 | |
584fffc8 SS |
280 | Tiger is a hash function optimized for 64-bit processors while |
281 | still having decent performance on 32-bit processors. | |
282 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
283 | |
284 | See also: | |
584fffc8 | 285 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 286 | |
584fffc8 SS |
287 | config CRYPTO_WP512 |
288 | tristate "Whirlpool digest algorithms" | |
cce9e06d | 289 | select CRYPTO_ALGAPI |
1da177e4 | 290 | help |
584fffc8 | 291 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 292 | |
584fffc8 SS |
293 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
294 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
295 | |
296 | See also: | |
584fffc8 SS |
297 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> |
298 | ||
299 | comment "Ciphers" | |
1da177e4 LT |
300 | |
301 | config CRYPTO_AES | |
302 | tristate "AES cipher algorithms" | |
cce9e06d | 303 | select CRYPTO_ALGAPI |
1da177e4 | 304 | help |
584fffc8 | 305 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
306 | algorithm. |
307 | ||
308 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
309 | both hardware and software across a wide range of computing |
310 | environments regardless of its use in feedback or non-feedback | |
311 | modes. Its key setup time is excellent, and its key agility is | |
312 | good. Rijndael's very low memory requirements make it very well | |
313 | suited for restricted-space environments, in which it also | |
314 | demonstrates excellent performance. Rijndael's operations are | |
315 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 316 | |
584fffc8 | 317 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
318 | |
319 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
320 | ||
321 | config CRYPTO_AES_586 | |
322 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
323 | depends on (X86 || UML_X86) && !64BIT |
324 | select CRYPTO_ALGAPI | |
5157dea8 | 325 | select CRYPTO_AES |
1da177e4 | 326 | help |
584fffc8 | 327 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
328 | algorithm. |
329 | ||
330 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
331 | both hardware and software across a wide range of computing |
332 | environments regardless of its use in feedback or non-feedback | |
333 | modes. Its key setup time is excellent, and its key agility is | |
334 | good. Rijndael's very low memory requirements make it very well | |
335 | suited for restricted-space environments, in which it also | |
336 | demonstrates excellent performance. Rijndael's operations are | |
337 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 338 | |
584fffc8 | 339 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
340 | |
341 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
342 | ||
343 | config CRYPTO_AES_X86_64 | |
344 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
345 | depends on (X86 || UML_X86) && 64BIT |
346 | select CRYPTO_ALGAPI | |
81190b32 | 347 | select CRYPTO_AES |
a2a892a2 | 348 | help |
584fffc8 | 349 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
350 | algorithm. |
351 | ||
352 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
353 | both hardware and software across a wide range of computing |
354 | environments regardless of its use in feedback or non-feedback | |
355 | modes. Its key setup time is excellent, and its key agility is | |
356 | good. Rijndael's very low memory requirements make it very well | |
357 | suited for restricted-space environments, in which it also | |
358 | demonstrates excellent performance. Rijndael's operations are | |
359 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 360 | |
584fffc8 | 361 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
362 | |
363 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
364 | ||
584fffc8 SS |
365 | config CRYPTO_ANUBIS |
366 | tristate "Anubis cipher algorithm" | |
367 | select CRYPTO_ALGAPI | |
368 | help | |
369 | Anubis cipher algorithm. | |
370 | ||
371 | Anubis is a variable key length cipher which can use keys from | |
372 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
373 | in the NESSIE competition. | |
374 | ||
375 | See also: | |
376 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
377 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
378 | ||
379 | config CRYPTO_ARC4 | |
380 | tristate "ARC4 cipher algorithm" | |
381 | select CRYPTO_ALGAPI | |
382 | help | |
383 | ARC4 cipher algorithm. | |
384 | ||
385 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
386 | bits in length. This algorithm is required for driver-based | |
387 | WEP, but it should not be for other purposes because of the | |
388 | weakness of the algorithm. | |
389 | ||
390 | config CRYPTO_BLOWFISH | |
391 | tristate "Blowfish cipher algorithm" | |
392 | select CRYPTO_ALGAPI | |
393 | help | |
394 | Blowfish cipher algorithm, by Bruce Schneier. | |
395 | ||
396 | This is a variable key length cipher which can use keys from 32 | |
397 | bits to 448 bits in length. It's fast, simple and specifically | |
398 | designed for use on "large microprocessors". | |
399 | ||
400 | See also: | |
401 | <http://www.schneier.com/blowfish.html> | |
402 | ||
403 | config CRYPTO_CAMELLIA | |
404 | tristate "Camellia cipher algorithms" | |
405 | depends on CRYPTO | |
406 | select CRYPTO_ALGAPI | |
407 | help | |
408 | Camellia cipher algorithms module. | |
409 | ||
410 | Camellia is a symmetric key block cipher developed jointly | |
411 | at NTT and Mitsubishi Electric Corporation. | |
412 | ||
413 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
414 | ||
415 | See also: | |
416 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
417 | ||
1da177e4 LT |
418 | config CRYPTO_CAST5 |
419 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 420 | select CRYPTO_ALGAPI |
1da177e4 LT |
421 | help |
422 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
423 | described in RFC2144. | |
424 | ||
425 | config CRYPTO_CAST6 | |
426 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 427 | select CRYPTO_ALGAPI |
1da177e4 LT |
428 | help |
429 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
430 | described in RFC2612. | |
431 | ||
584fffc8 SS |
432 | config CRYPTO_DES |
433 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 434 | select CRYPTO_ALGAPI |
1da177e4 | 435 | help |
584fffc8 | 436 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 437 | |
584fffc8 SS |
438 | config CRYPTO_FCRYPT |
439 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 440 | select CRYPTO_ALGAPI |
584fffc8 | 441 | select CRYPTO_BLKCIPHER |
1da177e4 | 442 | help |
584fffc8 | 443 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
444 | |
445 | config CRYPTO_KHAZAD | |
446 | tristate "Khazad cipher algorithm" | |
cce9e06d | 447 | select CRYPTO_ALGAPI |
1da177e4 LT |
448 | help |
449 | Khazad cipher algorithm. | |
450 | ||
451 | Khazad was a finalist in the initial NESSIE competition. It is | |
452 | an algorithm optimized for 64-bit processors with good performance | |
453 | on 32-bit processors. Khazad uses an 128 bit key size. | |
454 | ||
455 | See also: | |
456 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
457 | ||
2407d608 TSH |
458 | config CRYPTO_SALSA20 |
459 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
460 | depends on EXPERIMENTAL | |
461 | select CRYPTO_BLKCIPHER | |
462 | help | |
463 | Salsa20 stream cipher algorithm. | |
464 | ||
465 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
466 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
467 | |
468 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
469 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
470 | ||
471 | config CRYPTO_SALSA20_586 | |
472 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
473 | depends on (X86 || UML_X86) && !64BIT | |
474 | depends on EXPERIMENTAL | |
475 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
476 | help |
477 | Salsa20 stream cipher algorithm. | |
478 | ||
479 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
480 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
481 | |
482 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
483 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
484 | ||
485 | config CRYPTO_SALSA20_X86_64 | |
486 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
487 | depends on (X86 || UML_X86) && 64BIT | |
488 | depends on EXPERIMENTAL | |
489 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
490 | help |
491 | Salsa20 stream cipher algorithm. | |
492 | ||
493 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
494 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
495 | |
496 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
497 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 498 | |
584fffc8 SS |
499 | config CRYPTO_SEED |
500 | tristate "SEED cipher algorithm" | |
cce9e06d | 501 | select CRYPTO_ALGAPI |
1da177e4 | 502 | help |
584fffc8 | 503 | SEED cipher algorithm (RFC4269). |
1da177e4 | 504 | |
584fffc8 SS |
505 | SEED is a 128-bit symmetric key block cipher that has been |
506 | developed by KISA (Korea Information Security Agency) as a | |
507 | national standard encryption algorithm of the Republic of Korea. | |
508 | It is a 16 round block cipher with the key size of 128 bit. | |
509 | ||
510 | See also: | |
511 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
512 | ||
513 | config CRYPTO_SERPENT | |
514 | tristate "Serpent cipher algorithm" | |
cce9e06d | 515 | select CRYPTO_ALGAPI |
1da177e4 | 516 | help |
584fffc8 | 517 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 518 | |
584fffc8 SS |
519 | Keys are allowed to be from 0 to 256 bits in length, in steps |
520 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
521 | variant of Serpent for compatibility with old kerneli.org code. | |
522 | ||
523 | See also: | |
524 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
525 | ||
526 | config CRYPTO_TEA | |
527 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 528 | select CRYPTO_ALGAPI |
1da177e4 | 529 | help |
584fffc8 | 530 | TEA cipher algorithm. |
1da177e4 | 531 | |
584fffc8 SS |
532 | Tiny Encryption Algorithm is a simple cipher that uses |
533 | many rounds for security. It is very fast and uses | |
534 | little memory. | |
535 | ||
536 | Xtendend Tiny Encryption Algorithm is a modification to | |
537 | the TEA algorithm to address a potential key weakness | |
538 | in the TEA algorithm. | |
539 | ||
540 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
541 | of the XTEA algorithm for compatibility purposes. | |
542 | ||
543 | config CRYPTO_TWOFISH | |
544 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 545 | select CRYPTO_ALGAPI |
584fffc8 | 546 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 547 | help |
584fffc8 | 548 | Twofish cipher algorithm. |
04ac7db3 | 549 | |
584fffc8 SS |
550 | Twofish was submitted as an AES (Advanced Encryption Standard) |
551 | candidate cipher by researchers at CounterPane Systems. It is a | |
552 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
553 | bits. | |
04ac7db3 | 554 | |
584fffc8 SS |
555 | See also: |
556 | <http://www.schneier.com/twofish.html> | |
557 | ||
558 | config CRYPTO_TWOFISH_COMMON | |
559 | tristate | |
560 | help | |
561 | Common parts of the Twofish cipher algorithm shared by the | |
562 | generic c and the assembler implementations. | |
563 | ||
564 | config CRYPTO_TWOFISH_586 | |
565 | tristate "Twofish cipher algorithms (i586)" | |
566 | depends on (X86 || UML_X86) && !64BIT | |
567 | select CRYPTO_ALGAPI | |
568 | select CRYPTO_TWOFISH_COMMON | |
569 | help | |
570 | Twofish cipher algorithm. | |
571 | ||
572 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
573 | candidate cipher by researchers at CounterPane Systems. It is a | |
574 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
575 | bits. | |
04ac7db3 NT |
576 | |
577 | See also: | |
584fffc8 | 578 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 579 | |
584fffc8 SS |
580 | config CRYPTO_TWOFISH_X86_64 |
581 | tristate "Twofish cipher algorithm (x86_64)" | |
582 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 583 | select CRYPTO_ALGAPI |
584fffc8 | 584 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 585 | help |
584fffc8 | 586 | Twofish cipher algorithm (x86_64). |
1da177e4 | 587 | |
584fffc8 SS |
588 | Twofish was submitted as an AES (Advanced Encryption Standard) |
589 | candidate cipher by researchers at CounterPane Systems. It is a | |
590 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
591 | bits. | |
592 | ||
593 | See also: | |
594 | <http://www.schneier.com/twofish.html> | |
595 | ||
596 | comment "Compression" | |
597 | ||
598 | config CRYPTO_DEFLATE | |
599 | tristate "Deflate compression algorithm" | |
600 | select CRYPTO_ALGAPI | |
601 | select ZLIB_INFLATE | |
602 | select ZLIB_DEFLATE | |
3c09f17c | 603 | help |
584fffc8 SS |
604 | This is the Deflate algorithm (RFC1951), specified for use in |
605 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
606 | ||
607 | You will most probably want this if using IPSec. | |
3c09f17c | 608 | |
0b77abb3 ZS |
609 | config CRYPTO_LZO |
610 | tristate "LZO compression algorithm" | |
611 | select CRYPTO_ALGAPI | |
612 | select LZO_COMPRESS | |
613 | select LZO_DECOMPRESS | |
614 | help | |
615 | This is the LZO algorithm. | |
616 | ||
1da177e4 | 617 | source "drivers/crypto/Kconfig" |
1da177e4 | 618 | |
cce9e06d | 619 | endif # if CRYPTO |