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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" | |
26 | help | |
27 | This options enables the fips boot option which is | |
28 | required if you want to system to operate in a FIPS 200 | |
29 | certification. You should say no unless you know what | |
30 | this is. | |
31 | ||
cce9e06d HX |
32 | config CRYPTO_ALGAPI |
33 | tristate | |
34 | help | |
35 | This option provides the API for cryptographic algorithms. | |
36 | ||
1ae97820 HX |
37 | config CRYPTO_AEAD |
38 | tristate | |
39 | select CRYPTO_ALGAPI | |
40 | ||
5cde0af2 HX |
41 | config CRYPTO_BLKCIPHER |
42 | tristate | |
43 | select CRYPTO_ALGAPI | |
44 | ||
055bcee3 HX |
45 | config CRYPTO_HASH |
46 | tristate | |
47 | select CRYPTO_ALGAPI | |
48 | ||
2b8c19db HX |
49 | config CRYPTO_MANAGER |
50 | tristate "Cryptographic algorithm manager" | |
da7f033d HX |
51 | select CRYPTO_AEAD |
52 | select CRYPTO_HASH | |
53 | select CRYPTO_BLKCIPHER | |
2b8c19db HX |
54 | help |
55 | Create default cryptographic template instantiations such as | |
56 | cbc(aes). | |
57 | ||
584fffc8 SS |
58 | config CRYPTO_GF128MUL |
59 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
333b0d7e | 60 | depends on EXPERIMENTAL |
333b0d7e | 61 | help |
584fffc8 SS |
62 | Efficient table driven implementation of multiplications in the |
63 | field GF(2^128). This is needed by some cypher modes. This | |
64 | option will be selected automatically if you select such a | |
65 | cipher mode. Only select this option by hand if you expect to load | |
66 | an external module that requires these functions. | |
333b0d7e | 67 | |
1da177e4 LT |
68 | config CRYPTO_NULL |
69 | tristate "Null algorithms" | |
cce9e06d | 70 | select CRYPTO_ALGAPI |
c8620c25 | 71 | select CRYPTO_BLKCIPHER |
1da177e4 LT |
72 | help |
73 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
74 | ||
584fffc8 SS |
75 | config CRYPTO_CRYPTD |
76 | tristate "Software async crypto daemon" | |
77 | select CRYPTO_BLKCIPHER | |
b8a28251 | 78 | select CRYPTO_HASH |
584fffc8 | 79 | select CRYPTO_MANAGER |
1da177e4 | 80 | help |
584fffc8 SS |
81 | This is a generic software asynchronous crypto daemon that |
82 | converts an arbitrary synchronous software crypto algorithm | |
83 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 84 | |
584fffc8 SS |
85 | config CRYPTO_AUTHENC |
86 | tristate "Authenc support" | |
87 | select CRYPTO_AEAD | |
88 | select CRYPTO_BLKCIPHER | |
89 | select CRYPTO_MANAGER | |
90 | select CRYPTO_HASH | |
1da177e4 | 91 | help |
584fffc8 SS |
92 | Authenc: Combined mode wrapper for IPsec. |
93 | This is required for IPSec. | |
1da177e4 | 94 | |
584fffc8 SS |
95 | config CRYPTO_TEST |
96 | tristate "Testing module" | |
97 | depends on m | |
da7f033d | 98 | select CRYPTO_MANAGER |
1da177e4 | 99 | help |
584fffc8 | 100 | Quick & dirty crypto test module. |
1da177e4 | 101 | |
584fffc8 | 102 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 103 | |
584fffc8 SS |
104 | config CRYPTO_CCM |
105 | tristate "CCM support" | |
106 | select CRYPTO_CTR | |
107 | select CRYPTO_AEAD | |
1da177e4 | 108 | help |
584fffc8 | 109 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 110 | |
584fffc8 SS |
111 | config CRYPTO_GCM |
112 | tristate "GCM/GMAC support" | |
113 | select CRYPTO_CTR | |
114 | select CRYPTO_AEAD | |
115 | select CRYPTO_GF128MUL | |
1da177e4 | 116 | help |
584fffc8 SS |
117 | Support for Galois/Counter Mode (GCM) and Galois Message |
118 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 119 | |
584fffc8 SS |
120 | config CRYPTO_SEQIV |
121 | tristate "Sequence Number IV Generator" | |
122 | select CRYPTO_AEAD | |
123 | select CRYPTO_BLKCIPHER | |
1da177e4 | 124 | help |
584fffc8 SS |
125 | This IV generator generates an IV based on a sequence number by |
126 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 127 | |
584fffc8 | 128 | comment "Block modes" |
c494e070 | 129 | |
584fffc8 SS |
130 | config CRYPTO_CBC |
131 | tristate "CBC support" | |
db131ef9 | 132 | select CRYPTO_BLKCIPHER |
43518407 | 133 | select CRYPTO_MANAGER |
db131ef9 | 134 | help |
584fffc8 SS |
135 | CBC: Cipher Block Chaining mode |
136 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 137 | |
584fffc8 SS |
138 | config CRYPTO_CTR |
139 | tristate "CTR support" | |
db131ef9 | 140 | select CRYPTO_BLKCIPHER |
584fffc8 | 141 | select CRYPTO_SEQIV |
43518407 | 142 | select CRYPTO_MANAGER |
db131ef9 | 143 | help |
584fffc8 | 144 | CTR: Counter mode |
db131ef9 HX |
145 | This block cipher algorithm is required for IPSec. |
146 | ||
584fffc8 SS |
147 | config CRYPTO_CTS |
148 | tristate "CTS support" | |
149 | select CRYPTO_BLKCIPHER | |
150 | help | |
151 | CTS: Cipher Text Stealing | |
152 | This is the Cipher Text Stealing mode as described by | |
153 | Section 8 of rfc2040 and referenced by rfc3962. | |
154 | (rfc3962 includes errata information in its Appendix A) | |
155 | This mode is required for Kerberos gss mechanism support | |
156 | for AES encryption. | |
157 | ||
158 | config CRYPTO_ECB | |
159 | tristate "ECB support" | |
91652be5 DH |
160 | select CRYPTO_BLKCIPHER |
161 | select CRYPTO_MANAGER | |
91652be5 | 162 | help |
584fffc8 SS |
163 | ECB: Electronic CodeBook mode |
164 | This is the simplest block cipher algorithm. It simply encrypts | |
165 | the input block by block. | |
91652be5 | 166 | |
64470f1b RS |
167 | config CRYPTO_LRW |
168 | tristate "LRW support (EXPERIMENTAL)" | |
169 | depends on EXPERIMENTAL | |
170 | select CRYPTO_BLKCIPHER | |
171 | select CRYPTO_MANAGER | |
172 | select CRYPTO_GF128MUL | |
173 | help | |
174 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
175 | narrow block cipher mode for dm-crypt. Use it with cipher | |
176 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
177 | The first 128, 192 or 256 bits in the key are used for AES and the | |
178 | rest is used to tie each cipher block to its logical position. | |
179 | ||
584fffc8 SS |
180 | config CRYPTO_PCBC |
181 | tristate "PCBC support" | |
182 | select CRYPTO_BLKCIPHER | |
183 | select CRYPTO_MANAGER | |
184 | help | |
185 | PCBC: Propagating Cipher Block Chaining mode | |
186 | This block cipher algorithm is required for RxRPC. | |
187 | ||
f19f5111 RS |
188 | config CRYPTO_XTS |
189 | tristate "XTS support (EXPERIMENTAL)" | |
190 | depends on EXPERIMENTAL | |
191 | select CRYPTO_BLKCIPHER | |
192 | select CRYPTO_MANAGER | |
193 | select CRYPTO_GF128MUL | |
194 | help | |
195 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
196 | key size 256, 384 or 512 bits. This implementation currently | |
197 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
198 | ||
584fffc8 SS |
199 | comment "Hash modes" |
200 | ||
201 | config CRYPTO_HMAC | |
202 | tristate "HMAC support" | |
203 | select CRYPTO_HASH | |
23e353c8 | 204 | select CRYPTO_MANAGER |
23e353c8 | 205 | help |
584fffc8 SS |
206 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
207 | This is required for IPSec. | |
23e353c8 | 208 | |
584fffc8 SS |
209 | config CRYPTO_XCBC |
210 | tristate "XCBC support" | |
211 | depends on EXPERIMENTAL | |
212 | select CRYPTO_HASH | |
213 | select CRYPTO_MANAGER | |
76cb9521 | 214 | help |
584fffc8 SS |
215 | XCBC: Keyed-Hashing with encryption algorithm |
216 | http://www.ietf.org/rfc/rfc3566.txt | |
217 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
218 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 219 | |
584fffc8 | 220 | comment "Digest" |
28db8e3e | 221 | |
584fffc8 SS |
222 | config CRYPTO_CRC32C |
223 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 224 | select CRYPTO_HASH |
584fffc8 | 225 | select LIBCRC32C |
4a49b499 | 226 | help |
584fffc8 SS |
227 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
228 | by iSCSI for header and data digests and by others. | |
229 | See Castagnoli93. This implementation uses lib/libcrc32c. | |
b6d44341 | 230 | Module will be crc32c. |
4a49b499 | 231 | |
8cb51ba8 AZ |
232 | config CRYPTO_CRC32C_INTEL |
233 | tristate "CRC32c INTEL hardware acceleration" | |
234 | depends on X86 | |
235 | select CRYPTO_HASH | |
236 | help | |
237 | In Intel processor with SSE4.2 supported, the processor will | |
238 | support CRC32C implementation using hardware accelerated CRC32 | |
239 | instruction. This option will create 'crc32c-intel' module, | |
240 | which will enable any routine to use the CRC32 instruction to | |
241 | gain performance compared with software implementation. | |
242 | Module will be crc32c-intel. | |
243 | ||
584fffc8 SS |
244 | config CRYPTO_MD4 |
245 | tristate "MD4 digest algorithm" | |
246 | select CRYPTO_ALGAPI | |
124b53d0 | 247 | help |
584fffc8 | 248 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 249 | |
584fffc8 SS |
250 | config CRYPTO_MD5 |
251 | tristate "MD5 digest algorithm" | |
cce9e06d | 252 | select CRYPTO_ALGAPI |
1da177e4 | 253 | help |
584fffc8 | 254 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 255 | |
584fffc8 SS |
256 | config CRYPTO_MICHAEL_MIC |
257 | tristate "Michael MIC keyed digest algorithm" | |
90831639 | 258 | select CRYPTO_ALGAPI |
90831639 | 259 | help |
584fffc8 SS |
260 | Michael MIC is used for message integrity protection in TKIP |
261 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
262 | should not be used for other purposes because of the weakness | |
263 | of the algorithm. | |
90831639 | 264 | |
82798f90 | 265 | config CRYPTO_RMD128 |
b6d44341 AB |
266 | tristate "RIPEMD-128 digest algorithm" |
267 | select CRYPTO_ALGAPI | |
268 | help | |
269 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 270 | |
b6d44341 AB |
271 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
272 | to be used as a secure replacement for RIPEMD. For other use cases | |
273 | RIPEMD-160 should be used. | |
82798f90 | 274 | |
b6d44341 AB |
275 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
276 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 AKR |
277 | |
278 | config CRYPTO_RMD160 | |
b6d44341 AB |
279 | tristate "RIPEMD-160 digest algorithm" |
280 | select CRYPTO_ALGAPI | |
281 | help | |
282 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 283 | |
b6d44341 AB |
284 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
285 | to be used as a secure replacement for the 128-bit hash functions | |
286 | MD4, MD5 and it's predecessor RIPEMD | |
287 | (not to be confused with RIPEMD-128). | |
82798f90 | 288 | |
b6d44341 AB |
289 | It's speed is comparable to SHA1 and there are no known attacks |
290 | against RIPEMD-160. | |
534fe2c1 | 291 | |
b6d44341 AB |
292 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
293 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
294 | |
295 | config CRYPTO_RMD256 | |
b6d44341 AB |
296 | tristate "RIPEMD-256 digest algorithm" |
297 | select CRYPTO_ALGAPI | |
298 | help | |
299 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
300 | 256 bit hash. It is intended for applications that require | |
301 | longer hash-results, without needing a larger security level | |
302 | (than RIPEMD-128). | |
534fe2c1 | 303 | |
b6d44341 AB |
304 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
305 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
306 | |
307 | config CRYPTO_RMD320 | |
b6d44341 AB |
308 | tristate "RIPEMD-320 digest algorithm" |
309 | select CRYPTO_ALGAPI | |
310 | help | |
311 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
312 | 320 bit hash. It is intended for applications that require | |
313 | longer hash-results, without needing a larger security level | |
314 | (than RIPEMD-160). | |
534fe2c1 | 315 | |
b6d44341 AB |
316 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
317 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 | 318 | |
584fffc8 SS |
319 | config CRYPTO_SHA1 |
320 | tristate "SHA1 digest algorithm" | |
cce9e06d | 321 | select CRYPTO_ALGAPI |
1da177e4 | 322 | help |
584fffc8 | 323 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 324 | |
584fffc8 SS |
325 | config CRYPTO_SHA256 |
326 | tristate "SHA224 and SHA256 digest algorithm" | |
cce9e06d | 327 | select CRYPTO_ALGAPI |
1da177e4 | 328 | help |
584fffc8 | 329 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 330 | |
584fffc8 SS |
331 | This version of SHA implements a 256 bit hash with 128 bits of |
332 | security against collision attacks. | |
2729bb42 | 333 | |
b6d44341 AB |
334 | This code also includes SHA-224, a 224 bit hash with 112 bits |
335 | of security against collision attacks. | |
584fffc8 SS |
336 | |
337 | config CRYPTO_SHA512 | |
338 | tristate "SHA384 and SHA512 digest algorithms" | |
cce9e06d | 339 | select CRYPTO_ALGAPI |
b9f535ff | 340 | help |
584fffc8 | 341 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 342 | |
584fffc8 SS |
343 | This version of SHA implements a 512 bit hash with 256 bits of |
344 | security against collision attacks. | |
b9f535ff | 345 | |
584fffc8 SS |
346 | This code also includes SHA-384, a 384 bit hash with 192 bits |
347 | of security against collision attacks. | |
b9f535ff | 348 | |
584fffc8 SS |
349 | config CRYPTO_TGR192 |
350 | tristate "Tiger digest algorithms" | |
cce9e06d | 351 | select CRYPTO_ALGAPI |
eaf44088 | 352 | help |
584fffc8 | 353 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 354 | |
584fffc8 SS |
355 | Tiger is a hash function optimized for 64-bit processors while |
356 | still having decent performance on 32-bit processors. | |
357 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
358 | |
359 | See also: | |
584fffc8 | 360 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 361 | |
584fffc8 SS |
362 | config CRYPTO_WP512 |
363 | tristate "Whirlpool digest algorithms" | |
cce9e06d | 364 | select CRYPTO_ALGAPI |
1da177e4 | 365 | help |
584fffc8 | 366 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 367 | |
584fffc8 SS |
368 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
369 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
370 | |
371 | See also: | |
584fffc8 SS |
372 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> |
373 | ||
374 | comment "Ciphers" | |
1da177e4 LT |
375 | |
376 | config CRYPTO_AES | |
377 | tristate "AES cipher algorithms" | |
cce9e06d | 378 | select CRYPTO_ALGAPI |
1da177e4 | 379 | help |
584fffc8 | 380 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
381 | algorithm. |
382 | ||
383 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
384 | both hardware and software across a wide range of computing |
385 | environments regardless of its use in feedback or non-feedback | |
386 | modes. Its key setup time is excellent, and its key agility is | |
387 | good. Rijndael's very low memory requirements make it very well | |
388 | suited for restricted-space environments, in which it also | |
389 | demonstrates excellent performance. Rijndael's operations are | |
390 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 391 | |
584fffc8 | 392 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
393 | |
394 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
395 | ||
396 | config CRYPTO_AES_586 | |
397 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
398 | depends on (X86 || UML_X86) && !64BIT |
399 | select CRYPTO_ALGAPI | |
5157dea8 | 400 | select CRYPTO_AES |
1da177e4 | 401 | help |
584fffc8 | 402 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
403 | algorithm. |
404 | ||
405 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
406 | both hardware and software across a wide range of computing |
407 | environments regardless of its use in feedback or non-feedback | |
408 | modes. Its key setup time is excellent, and its key agility is | |
409 | good. Rijndael's very low memory requirements make it very well | |
410 | suited for restricted-space environments, in which it also | |
411 | demonstrates excellent performance. Rijndael's operations are | |
412 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 413 | |
584fffc8 | 414 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
415 | |
416 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
417 | ||
418 | config CRYPTO_AES_X86_64 | |
419 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
420 | depends on (X86 || UML_X86) && 64BIT |
421 | select CRYPTO_ALGAPI | |
81190b32 | 422 | select CRYPTO_AES |
a2a892a2 | 423 | help |
584fffc8 | 424 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
425 | algorithm. |
426 | ||
427 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
428 | both hardware and software across a wide range of computing |
429 | environments regardless of its use in feedback or non-feedback | |
430 | modes. Its key setup time is excellent, and its key agility is | |
431 | good. Rijndael's very low memory requirements make it very well | |
432 | suited for restricted-space environments, in which it also | |
433 | demonstrates excellent performance. Rijndael's operations are | |
434 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 435 | |
584fffc8 | 436 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
437 | |
438 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
439 | ||
584fffc8 SS |
440 | config CRYPTO_ANUBIS |
441 | tristate "Anubis cipher algorithm" | |
442 | select CRYPTO_ALGAPI | |
443 | help | |
444 | Anubis cipher algorithm. | |
445 | ||
446 | Anubis is a variable key length cipher which can use keys from | |
447 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
448 | in the NESSIE competition. | |
449 | ||
450 | See also: | |
451 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
452 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
453 | ||
454 | config CRYPTO_ARC4 | |
455 | tristate "ARC4 cipher algorithm" | |
456 | select CRYPTO_ALGAPI | |
457 | help | |
458 | ARC4 cipher algorithm. | |
459 | ||
460 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
461 | bits in length. This algorithm is required for driver-based | |
462 | WEP, but it should not be for other purposes because of the | |
463 | weakness of the algorithm. | |
464 | ||
465 | config CRYPTO_BLOWFISH | |
466 | tristate "Blowfish cipher algorithm" | |
467 | select CRYPTO_ALGAPI | |
468 | help | |
469 | Blowfish cipher algorithm, by Bruce Schneier. | |
470 | ||
471 | This is a variable key length cipher which can use keys from 32 | |
472 | bits to 448 bits in length. It's fast, simple and specifically | |
473 | designed for use on "large microprocessors". | |
474 | ||
475 | See also: | |
476 | <http://www.schneier.com/blowfish.html> | |
477 | ||
478 | config CRYPTO_CAMELLIA | |
479 | tristate "Camellia cipher algorithms" | |
480 | depends on CRYPTO | |
481 | select CRYPTO_ALGAPI | |
482 | help | |
483 | Camellia cipher algorithms module. | |
484 | ||
485 | Camellia is a symmetric key block cipher developed jointly | |
486 | at NTT and Mitsubishi Electric Corporation. | |
487 | ||
488 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
489 | ||
490 | See also: | |
491 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
492 | ||
1da177e4 LT |
493 | config CRYPTO_CAST5 |
494 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 495 | select CRYPTO_ALGAPI |
1da177e4 LT |
496 | help |
497 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
498 | described in RFC2144. | |
499 | ||
500 | config CRYPTO_CAST6 | |
501 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 502 | select CRYPTO_ALGAPI |
1da177e4 LT |
503 | help |
504 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
505 | described in RFC2612. | |
506 | ||
584fffc8 SS |
507 | config CRYPTO_DES |
508 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 509 | select CRYPTO_ALGAPI |
1da177e4 | 510 | help |
584fffc8 | 511 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 512 | |
584fffc8 SS |
513 | config CRYPTO_FCRYPT |
514 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 515 | select CRYPTO_ALGAPI |
584fffc8 | 516 | select CRYPTO_BLKCIPHER |
1da177e4 | 517 | help |
584fffc8 | 518 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
519 | |
520 | config CRYPTO_KHAZAD | |
521 | tristate "Khazad cipher algorithm" | |
cce9e06d | 522 | select CRYPTO_ALGAPI |
1da177e4 LT |
523 | help |
524 | Khazad cipher algorithm. | |
525 | ||
526 | Khazad was a finalist in the initial NESSIE competition. It is | |
527 | an algorithm optimized for 64-bit processors with good performance | |
528 | on 32-bit processors. Khazad uses an 128 bit key size. | |
529 | ||
530 | See also: | |
531 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
532 | ||
2407d608 TSH |
533 | config CRYPTO_SALSA20 |
534 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
535 | depends on EXPERIMENTAL | |
536 | select CRYPTO_BLKCIPHER | |
537 | help | |
538 | Salsa20 stream cipher algorithm. | |
539 | ||
540 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
541 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
542 | |
543 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
544 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
545 | ||
546 | config CRYPTO_SALSA20_586 | |
547 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
548 | depends on (X86 || UML_X86) && !64BIT | |
549 | depends on EXPERIMENTAL | |
550 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
551 | help |
552 | Salsa20 stream cipher algorithm. | |
553 | ||
554 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
555 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
556 | |
557 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
558 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
559 | ||
560 | config CRYPTO_SALSA20_X86_64 | |
561 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
562 | depends on (X86 || UML_X86) && 64BIT | |
563 | depends on EXPERIMENTAL | |
564 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
565 | help |
566 | Salsa20 stream cipher algorithm. | |
567 | ||
568 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
569 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
570 | |
571 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
572 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 573 | |
584fffc8 SS |
574 | config CRYPTO_SEED |
575 | tristate "SEED cipher algorithm" | |
cce9e06d | 576 | select CRYPTO_ALGAPI |
1da177e4 | 577 | help |
584fffc8 | 578 | SEED cipher algorithm (RFC4269). |
1da177e4 | 579 | |
584fffc8 SS |
580 | SEED is a 128-bit symmetric key block cipher that has been |
581 | developed by KISA (Korea Information Security Agency) as a | |
582 | national standard encryption algorithm of the Republic of Korea. | |
583 | It is a 16 round block cipher with the key size of 128 bit. | |
584 | ||
585 | See also: | |
586 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
587 | ||
588 | config CRYPTO_SERPENT | |
589 | tristate "Serpent cipher algorithm" | |
cce9e06d | 590 | select CRYPTO_ALGAPI |
1da177e4 | 591 | help |
584fffc8 | 592 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 593 | |
584fffc8 SS |
594 | Keys are allowed to be from 0 to 256 bits in length, in steps |
595 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
596 | variant of Serpent for compatibility with old kerneli.org code. | |
597 | ||
598 | See also: | |
599 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
600 | ||
601 | config CRYPTO_TEA | |
602 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 603 | select CRYPTO_ALGAPI |
1da177e4 | 604 | help |
584fffc8 | 605 | TEA cipher algorithm. |
1da177e4 | 606 | |
584fffc8 SS |
607 | Tiny Encryption Algorithm is a simple cipher that uses |
608 | many rounds for security. It is very fast and uses | |
609 | little memory. | |
610 | ||
611 | Xtendend Tiny Encryption Algorithm is a modification to | |
612 | the TEA algorithm to address a potential key weakness | |
613 | in the TEA algorithm. | |
614 | ||
615 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
616 | of the XTEA algorithm for compatibility purposes. | |
617 | ||
618 | config CRYPTO_TWOFISH | |
619 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 620 | select CRYPTO_ALGAPI |
584fffc8 | 621 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 622 | help |
584fffc8 | 623 | Twofish cipher algorithm. |
04ac7db3 | 624 | |
584fffc8 SS |
625 | Twofish was submitted as an AES (Advanced Encryption Standard) |
626 | candidate cipher by researchers at CounterPane Systems. It is a | |
627 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
628 | bits. | |
04ac7db3 | 629 | |
584fffc8 SS |
630 | See also: |
631 | <http://www.schneier.com/twofish.html> | |
632 | ||
633 | config CRYPTO_TWOFISH_COMMON | |
634 | tristate | |
635 | help | |
636 | Common parts of the Twofish cipher algorithm shared by the | |
637 | generic c and the assembler implementations. | |
638 | ||
639 | config CRYPTO_TWOFISH_586 | |
640 | tristate "Twofish cipher algorithms (i586)" | |
641 | depends on (X86 || UML_X86) && !64BIT | |
642 | select CRYPTO_ALGAPI | |
643 | select CRYPTO_TWOFISH_COMMON | |
644 | help | |
645 | Twofish cipher algorithm. | |
646 | ||
647 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
648 | candidate cipher by researchers at CounterPane Systems. It is a | |
649 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
650 | bits. | |
04ac7db3 NT |
651 | |
652 | See also: | |
584fffc8 | 653 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 654 | |
584fffc8 SS |
655 | config CRYPTO_TWOFISH_X86_64 |
656 | tristate "Twofish cipher algorithm (x86_64)" | |
657 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 658 | select CRYPTO_ALGAPI |
584fffc8 | 659 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 660 | help |
584fffc8 | 661 | Twofish cipher algorithm (x86_64). |
1da177e4 | 662 | |
584fffc8 SS |
663 | Twofish was submitted as an AES (Advanced Encryption Standard) |
664 | candidate cipher by researchers at CounterPane Systems. It is a | |
665 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
666 | bits. | |
667 | ||
668 | See also: | |
669 | <http://www.schneier.com/twofish.html> | |
670 | ||
671 | comment "Compression" | |
672 | ||
673 | config CRYPTO_DEFLATE | |
674 | tristate "Deflate compression algorithm" | |
675 | select CRYPTO_ALGAPI | |
676 | select ZLIB_INFLATE | |
677 | select ZLIB_DEFLATE | |
3c09f17c | 678 | help |
584fffc8 SS |
679 | This is the Deflate algorithm (RFC1951), specified for use in |
680 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
681 | ||
682 | You will most probably want this if using IPSec. | |
3c09f17c | 683 | |
0b77abb3 ZS |
684 | config CRYPTO_LZO |
685 | tristate "LZO compression algorithm" | |
686 | select CRYPTO_ALGAPI | |
687 | select LZO_COMPRESS | |
688 | select LZO_DECOMPRESS | |
689 | help | |
690 | This is the LZO algorithm. | |
691 | ||
1da177e4 | 692 | source "drivers/crypto/Kconfig" |
1da177e4 | 693 | |
cce9e06d | 694 | endif # if CRYPTO |