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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" | |
4e4ed83b | 26 | depends on CRYPTO_ANSI_CPRNG |
ccb778e1 NH |
27 | help |
28 | This options enables the fips boot option which is | |
29 | required if you want to system to operate in a FIPS 200 | |
30 | certification. You should say no unless you know what | |
f77f13e2 | 31 | this is. Note that CRYPTO_ANSI_CPRNG is required if this |
4e4ed83b | 32 | option is selected |
ccb778e1 | 33 | |
cce9e06d HX |
34 | config CRYPTO_ALGAPI |
35 | tristate | |
6a0fcbb4 | 36 | select CRYPTO_ALGAPI2 |
cce9e06d HX |
37 | help |
38 | This option provides the API for cryptographic algorithms. | |
39 | ||
6a0fcbb4 HX |
40 | config CRYPTO_ALGAPI2 |
41 | tristate | |
42 | ||
1ae97820 HX |
43 | config CRYPTO_AEAD |
44 | tristate | |
6a0fcbb4 | 45 | select CRYPTO_AEAD2 |
1ae97820 HX |
46 | select CRYPTO_ALGAPI |
47 | ||
6a0fcbb4 HX |
48 | config CRYPTO_AEAD2 |
49 | tristate | |
50 | select CRYPTO_ALGAPI2 | |
51 | ||
5cde0af2 HX |
52 | config CRYPTO_BLKCIPHER |
53 | tristate | |
6a0fcbb4 | 54 | select CRYPTO_BLKCIPHER2 |
5cde0af2 | 55 | select CRYPTO_ALGAPI |
6a0fcbb4 HX |
56 | |
57 | config CRYPTO_BLKCIPHER2 | |
58 | tristate | |
59 | select CRYPTO_ALGAPI2 | |
60 | select CRYPTO_RNG2 | |
0a2e821d | 61 | select CRYPTO_WORKQUEUE |
5cde0af2 | 62 | |
055bcee3 HX |
63 | config CRYPTO_HASH |
64 | tristate | |
6a0fcbb4 | 65 | select CRYPTO_HASH2 |
055bcee3 HX |
66 | select CRYPTO_ALGAPI |
67 | ||
6a0fcbb4 HX |
68 | config CRYPTO_HASH2 |
69 | tristate | |
70 | select CRYPTO_ALGAPI2 | |
71 | ||
17f0f4a4 NH |
72 | config CRYPTO_RNG |
73 | tristate | |
6a0fcbb4 | 74 | select CRYPTO_RNG2 |
17f0f4a4 NH |
75 | select CRYPTO_ALGAPI |
76 | ||
6a0fcbb4 HX |
77 | config CRYPTO_RNG2 |
78 | tristate | |
79 | select CRYPTO_ALGAPI2 | |
80 | ||
a1d2f095 | 81 | config CRYPTO_PCOMP |
bc94e596 HX |
82 | tristate |
83 | select CRYPTO_PCOMP2 | |
84 | select CRYPTO_ALGAPI | |
85 | ||
86 | config CRYPTO_PCOMP2 | |
a1d2f095 GU |
87 | tristate |
88 | select CRYPTO_ALGAPI2 | |
89 | ||
2b8c19db HX |
90 | config CRYPTO_MANAGER |
91 | tristate "Cryptographic algorithm manager" | |
6a0fcbb4 | 92 | select CRYPTO_MANAGER2 |
2b8c19db HX |
93 | help |
94 | Create default cryptographic template instantiations such as | |
95 | cbc(aes). | |
96 | ||
6a0fcbb4 HX |
97 | config CRYPTO_MANAGER2 |
98 | def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) | |
99 | select CRYPTO_AEAD2 | |
100 | select CRYPTO_HASH2 | |
101 | select CRYPTO_BLKCIPHER2 | |
bc94e596 | 102 | select CRYPTO_PCOMP2 |
6a0fcbb4 | 103 | |
584fffc8 SS |
104 | config CRYPTO_GF128MUL |
105 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
333b0d7e | 106 | depends on EXPERIMENTAL |
333b0d7e | 107 | help |
584fffc8 SS |
108 | Efficient table driven implementation of multiplications in the |
109 | field GF(2^128). This is needed by some cypher modes. This | |
110 | option will be selected automatically if you select such a | |
111 | cipher mode. Only select this option by hand if you expect to load | |
112 | an external module that requires these functions. | |
333b0d7e | 113 | |
1da177e4 LT |
114 | config CRYPTO_NULL |
115 | tristate "Null algorithms" | |
cce9e06d | 116 | select CRYPTO_ALGAPI |
c8620c25 | 117 | select CRYPTO_BLKCIPHER |
d35d2454 | 118 | select CRYPTO_HASH |
1da177e4 LT |
119 | help |
120 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
121 | ||
5068c7a8 SK |
122 | config CRYPTO_PCRYPT |
123 | tristate "Parallel crypto engine (EXPERIMENTAL)" | |
124 | depends on SMP && EXPERIMENTAL | |
125 | select PADATA | |
126 | select CRYPTO_MANAGER | |
127 | select CRYPTO_AEAD | |
128 | help | |
129 | This converts an arbitrary crypto algorithm into a parallel | |
130 | algorithm that executes in kernel threads. | |
131 | ||
25c38d3f HY |
132 | config CRYPTO_WORKQUEUE |
133 | tristate | |
134 | ||
584fffc8 SS |
135 | config CRYPTO_CRYPTD |
136 | tristate "Software async crypto daemon" | |
137 | select CRYPTO_BLKCIPHER | |
b8a28251 | 138 | select CRYPTO_HASH |
584fffc8 | 139 | select CRYPTO_MANAGER |
254eff77 | 140 | select CRYPTO_WORKQUEUE |
1da177e4 | 141 | help |
584fffc8 SS |
142 | This is a generic software asynchronous crypto daemon that |
143 | converts an arbitrary synchronous software crypto algorithm | |
144 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 145 | |
584fffc8 SS |
146 | config CRYPTO_AUTHENC |
147 | tristate "Authenc support" | |
148 | select CRYPTO_AEAD | |
149 | select CRYPTO_BLKCIPHER | |
150 | select CRYPTO_MANAGER | |
151 | select CRYPTO_HASH | |
1da177e4 | 152 | help |
584fffc8 SS |
153 | Authenc: Combined mode wrapper for IPsec. |
154 | This is required for IPSec. | |
1da177e4 | 155 | |
584fffc8 SS |
156 | config CRYPTO_TEST |
157 | tristate "Testing module" | |
158 | depends on m | |
da7f033d | 159 | select CRYPTO_MANAGER |
1da177e4 | 160 | help |
584fffc8 | 161 | Quick & dirty crypto test module. |
1da177e4 | 162 | |
584fffc8 | 163 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 164 | |
584fffc8 SS |
165 | config CRYPTO_CCM |
166 | tristate "CCM support" | |
167 | select CRYPTO_CTR | |
168 | select CRYPTO_AEAD | |
1da177e4 | 169 | help |
584fffc8 | 170 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 171 | |
584fffc8 SS |
172 | config CRYPTO_GCM |
173 | tristate "GCM/GMAC support" | |
174 | select CRYPTO_CTR | |
175 | select CRYPTO_AEAD | |
9382d97a | 176 | select CRYPTO_GHASH |
1da177e4 | 177 | help |
584fffc8 SS |
178 | Support for Galois/Counter Mode (GCM) and Galois Message |
179 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 180 | |
584fffc8 SS |
181 | config CRYPTO_SEQIV |
182 | tristate "Sequence Number IV Generator" | |
183 | select CRYPTO_AEAD | |
184 | select CRYPTO_BLKCIPHER | |
a0f000ec | 185 | select CRYPTO_RNG |
1da177e4 | 186 | help |
584fffc8 SS |
187 | This IV generator generates an IV based on a sequence number by |
188 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 189 | |
584fffc8 | 190 | comment "Block modes" |
c494e070 | 191 | |
584fffc8 SS |
192 | config CRYPTO_CBC |
193 | tristate "CBC support" | |
db131ef9 | 194 | select CRYPTO_BLKCIPHER |
43518407 | 195 | select CRYPTO_MANAGER |
db131ef9 | 196 | help |
584fffc8 SS |
197 | CBC: Cipher Block Chaining mode |
198 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 199 | |
584fffc8 SS |
200 | config CRYPTO_CTR |
201 | tristate "CTR support" | |
db131ef9 | 202 | select CRYPTO_BLKCIPHER |
584fffc8 | 203 | select CRYPTO_SEQIV |
43518407 | 204 | select CRYPTO_MANAGER |
db131ef9 | 205 | help |
584fffc8 | 206 | CTR: Counter mode |
db131ef9 HX |
207 | This block cipher algorithm is required for IPSec. |
208 | ||
584fffc8 SS |
209 | config CRYPTO_CTS |
210 | tristate "CTS support" | |
211 | select CRYPTO_BLKCIPHER | |
212 | help | |
213 | CTS: Cipher Text Stealing | |
214 | This is the Cipher Text Stealing mode as described by | |
215 | Section 8 of rfc2040 and referenced by rfc3962. | |
216 | (rfc3962 includes errata information in its Appendix A) | |
217 | This mode is required for Kerberos gss mechanism support | |
218 | for AES encryption. | |
219 | ||
220 | config CRYPTO_ECB | |
221 | tristate "ECB support" | |
91652be5 DH |
222 | select CRYPTO_BLKCIPHER |
223 | select CRYPTO_MANAGER | |
91652be5 | 224 | help |
584fffc8 SS |
225 | ECB: Electronic CodeBook mode |
226 | This is the simplest block cipher algorithm. It simply encrypts | |
227 | the input block by block. | |
91652be5 | 228 | |
64470f1b RS |
229 | config CRYPTO_LRW |
230 | tristate "LRW support (EXPERIMENTAL)" | |
231 | depends on EXPERIMENTAL | |
232 | select CRYPTO_BLKCIPHER | |
233 | select CRYPTO_MANAGER | |
234 | select CRYPTO_GF128MUL | |
235 | help | |
236 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
237 | narrow block cipher mode for dm-crypt. Use it with cipher | |
238 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
239 | The first 128, 192 or 256 bits in the key are used for AES and the | |
240 | rest is used to tie each cipher block to its logical position. | |
241 | ||
584fffc8 SS |
242 | config CRYPTO_PCBC |
243 | tristate "PCBC support" | |
244 | select CRYPTO_BLKCIPHER | |
245 | select CRYPTO_MANAGER | |
246 | help | |
247 | PCBC: Propagating Cipher Block Chaining mode | |
248 | This block cipher algorithm is required for RxRPC. | |
249 | ||
f19f5111 RS |
250 | config CRYPTO_XTS |
251 | tristate "XTS support (EXPERIMENTAL)" | |
252 | depends on EXPERIMENTAL | |
253 | select CRYPTO_BLKCIPHER | |
254 | select CRYPTO_MANAGER | |
255 | select CRYPTO_GF128MUL | |
256 | help | |
257 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
258 | key size 256, 384 or 512 bits. This implementation currently | |
259 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
260 | ||
150c7e85 HY |
261 | config CRYPTO_FPU |
262 | tristate | |
263 | select CRYPTO_BLKCIPHER | |
264 | select CRYPTO_MANAGER | |
265 | ||
584fffc8 SS |
266 | comment "Hash modes" |
267 | ||
268 | config CRYPTO_HMAC | |
269 | tristate "HMAC support" | |
270 | select CRYPTO_HASH | |
23e353c8 | 271 | select CRYPTO_MANAGER |
23e353c8 | 272 | help |
584fffc8 SS |
273 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
274 | This is required for IPSec. | |
23e353c8 | 275 | |
584fffc8 SS |
276 | config CRYPTO_XCBC |
277 | tristate "XCBC support" | |
278 | depends on EXPERIMENTAL | |
279 | select CRYPTO_HASH | |
280 | select CRYPTO_MANAGER | |
76cb9521 | 281 | help |
584fffc8 SS |
282 | XCBC: Keyed-Hashing with encryption algorithm |
283 | http://www.ietf.org/rfc/rfc3566.txt | |
284 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
285 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 286 | |
f1939f7c SW |
287 | config CRYPTO_VMAC |
288 | tristate "VMAC support" | |
289 | depends on EXPERIMENTAL | |
290 | select CRYPTO_HASH | |
291 | select CRYPTO_MANAGER | |
292 | help | |
293 | VMAC is a message authentication algorithm designed for | |
294 | very high speed on 64-bit architectures. | |
295 | ||
296 | See also: | |
297 | <http://fastcrypto.org/vmac> | |
298 | ||
584fffc8 | 299 | comment "Digest" |
28db8e3e | 300 | |
584fffc8 SS |
301 | config CRYPTO_CRC32C |
302 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 303 | select CRYPTO_HASH |
4a49b499 | 304 | help |
584fffc8 SS |
305 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
306 | by iSCSI for header and data digests and by others. | |
69c35efc | 307 | See Castagnoli93. Module will be crc32c. |
4a49b499 | 308 | |
8cb51ba8 AZ |
309 | config CRYPTO_CRC32C_INTEL |
310 | tristate "CRC32c INTEL hardware acceleration" | |
311 | depends on X86 | |
312 | select CRYPTO_HASH | |
313 | help | |
314 | In Intel processor with SSE4.2 supported, the processor will | |
315 | support CRC32C implementation using hardware accelerated CRC32 | |
316 | instruction. This option will create 'crc32c-intel' module, | |
317 | which will enable any routine to use the CRC32 instruction to | |
318 | gain performance compared with software implementation. | |
319 | Module will be crc32c-intel. | |
320 | ||
2cdc6899 HY |
321 | config CRYPTO_GHASH |
322 | tristate "GHASH digest algorithm" | |
323 | select CRYPTO_SHASH | |
324 | select CRYPTO_GF128MUL | |
325 | help | |
326 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
327 | ||
584fffc8 SS |
328 | config CRYPTO_MD4 |
329 | tristate "MD4 digest algorithm" | |
808a1763 | 330 | select CRYPTO_HASH |
124b53d0 | 331 | help |
584fffc8 | 332 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 333 | |
584fffc8 SS |
334 | config CRYPTO_MD5 |
335 | tristate "MD5 digest algorithm" | |
14b75ba7 | 336 | select CRYPTO_HASH |
1da177e4 | 337 | help |
584fffc8 | 338 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 339 | |
584fffc8 SS |
340 | config CRYPTO_MICHAEL_MIC |
341 | tristate "Michael MIC keyed digest algorithm" | |
19e2bf14 | 342 | select CRYPTO_HASH |
90831639 | 343 | help |
584fffc8 SS |
344 | Michael MIC is used for message integrity protection in TKIP |
345 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
346 | should not be used for other purposes because of the weakness | |
347 | of the algorithm. | |
90831639 | 348 | |
82798f90 | 349 | config CRYPTO_RMD128 |
b6d44341 | 350 | tristate "RIPEMD-128 digest algorithm" |
7c4468bc | 351 | select CRYPTO_HASH |
b6d44341 AB |
352 | help |
353 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 354 | |
b6d44341 AB |
355 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
356 | to be used as a secure replacement for RIPEMD. For other use cases | |
357 | RIPEMD-160 should be used. | |
82798f90 | 358 | |
b6d44341 AB |
359 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
360 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 AKR |
361 | |
362 | config CRYPTO_RMD160 | |
b6d44341 | 363 | tristate "RIPEMD-160 digest algorithm" |
e5835fba | 364 | select CRYPTO_HASH |
b6d44341 AB |
365 | help |
366 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 367 | |
b6d44341 AB |
368 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
369 | to be used as a secure replacement for the 128-bit hash functions | |
370 | MD4, MD5 and it's predecessor RIPEMD | |
371 | (not to be confused with RIPEMD-128). | |
82798f90 | 372 | |
b6d44341 AB |
373 | It's speed is comparable to SHA1 and there are no known attacks |
374 | against RIPEMD-160. | |
534fe2c1 | 375 | |
b6d44341 AB |
376 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
377 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
378 | |
379 | config CRYPTO_RMD256 | |
b6d44341 | 380 | tristate "RIPEMD-256 digest algorithm" |
d8a5e2e9 | 381 | select CRYPTO_HASH |
b6d44341 AB |
382 | help |
383 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
384 | 256 bit hash. It is intended for applications that require | |
385 | longer hash-results, without needing a larger security level | |
386 | (than RIPEMD-128). | |
534fe2c1 | 387 | |
b6d44341 AB |
388 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
389 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
534fe2c1 AKR |
390 | |
391 | config CRYPTO_RMD320 | |
b6d44341 | 392 | tristate "RIPEMD-320 digest algorithm" |
3b8efb4c | 393 | select CRYPTO_HASH |
b6d44341 AB |
394 | help |
395 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
396 | 320 bit hash. It is intended for applications that require | |
397 | longer hash-results, without needing a larger security level | |
398 | (than RIPEMD-160). | |
534fe2c1 | 399 | |
b6d44341 AB |
400 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
401 | See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> | |
82798f90 | 402 | |
584fffc8 SS |
403 | config CRYPTO_SHA1 |
404 | tristate "SHA1 digest algorithm" | |
54ccb367 | 405 | select CRYPTO_HASH |
1da177e4 | 406 | help |
584fffc8 | 407 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 408 | |
584fffc8 SS |
409 | config CRYPTO_SHA256 |
410 | tristate "SHA224 and SHA256 digest algorithm" | |
50e109b5 | 411 | select CRYPTO_HASH |
1da177e4 | 412 | help |
584fffc8 | 413 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 414 | |
584fffc8 SS |
415 | This version of SHA implements a 256 bit hash with 128 bits of |
416 | security against collision attacks. | |
2729bb42 | 417 | |
b6d44341 AB |
418 | This code also includes SHA-224, a 224 bit hash with 112 bits |
419 | of security against collision attacks. | |
584fffc8 SS |
420 | |
421 | config CRYPTO_SHA512 | |
422 | tristate "SHA384 and SHA512 digest algorithms" | |
bd9d20db | 423 | select CRYPTO_HASH |
b9f535ff | 424 | help |
584fffc8 | 425 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 426 | |
584fffc8 SS |
427 | This version of SHA implements a 512 bit hash with 256 bits of |
428 | security against collision attacks. | |
b9f535ff | 429 | |
584fffc8 SS |
430 | This code also includes SHA-384, a 384 bit hash with 192 bits |
431 | of security against collision attacks. | |
b9f535ff | 432 | |
584fffc8 SS |
433 | config CRYPTO_TGR192 |
434 | tristate "Tiger digest algorithms" | |
f63fbd3d | 435 | select CRYPTO_HASH |
eaf44088 | 436 | help |
584fffc8 | 437 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 438 | |
584fffc8 SS |
439 | Tiger is a hash function optimized for 64-bit processors while |
440 | still having decent performance on 32-bit processors. | |
441 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
442 | |
443 | See also: | |
584fffc8 | 444 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 445 | |
584fffc8 SS |
446 | config CRYPTO_WP512 |
447 | tristate "Whirlpool digest algorithms" | |
4946510b | 448 | select CRYPTO_HASH |
1da177e4 | 449 | help |
584fffc8 | 450 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 451 | |
584fffc8 SS |
452 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
453 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
454 | |
455 | See also: | |
584fffc8 SS |
456 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> |
457 | ||
0e1227d3 HY |
458 | config CRYPTO_GHASH_CLMUL_NI_INTEL |
459 | tristate "GHASH digest algorithm (CLMUL-NI accelerated)" | |
3e02e5cb | 460 | depends on (X86 || UML_X86) && 64BIT |
0e1227d3 HY |
461 | select CRYPTO_SHASH |
462 | select CRYPTO_CRYPTD | |
463 | help | |
464 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
465 | The implementation is accelerated by CLMUL-NI of Intel. | |
466 | ||
584fffc8 | 467 | comment "Ciphers" |
1da177e4 LT |
468 | |
469 | config CRYPTO_AES | |
470 | tristate "AES cipher algorithms" | |
cce9e06d | 471 | select CRYPTO_ALGAPI |
1da177e4 | 472 | help |
584fffc8 | 473 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
474 | algorithm. |
475 | ||
476 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
477 | both hardware and software across a wide range of computing |
478 | environments regardless of its use in feedback or non-feedback | |
479 | modes. Its key setup time is excellent, and its key agility is | |
480 | good. Rijndael's very low memory requirements make it very well | |
481 | suited for restricted-space environments, in which it also | |
482 | demonstrates excellent performance. Rijndael's operations are | |
483 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 484 | |
584fffc8 | 485 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
486 | |
487 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
488 | ||
489 | config CRYPTO_AES_586 | |
490 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
491 | depends on (X86 || UML_X86) && !64BIT |
492 | select CRYPTO_ALGAPI | |
5157dea8 | 493 | select CRYPTO_AES |
1da177e4 | 494 | help |
584fffc8 | 495 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
496 | algorithm. |
497 | ||
498 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
499 | both hardware and software across a wide range of computing |
500 | environments regardless of its use in feedback or non-feedback | |
501 | modes. Its key setup time is excellent, and its key agility is | |
502 | good. Rijndael's very low memory requirements make it very well | |
503 | suited for restricted-space environments, in which it also | |
504 | demonstrates excellent performance. Rijndael's operations are | |
505 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 506 | |
584fffc8 | 507 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
508 | |
509 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
510 | ||
511 | config CRYPTO_AES_X86_64 | |
512 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
513 | depends on (X86 || UML_X86) && 64BIT |
514 | select CRYPTO_ALGAPI | |
81190b32 | 515 | select CRYPTO_AES |
a2a892a2 | 516 | help |
584fffc8 | 517 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
518 | algorithm. |
519 | ||
520 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
521 | both hardware and software across a wide range of computing |
522 | environments regardless of its use in feedback or non-feedback | |
523 | modes. Its key setup time is excellent, and its key agility is | |
54b6a1bd HY |
524 | good. Rijndael's very low memory requirements make it very well |
525 | suited for restricted-space environments, in which it also | |
526 | demonstrates excellent performance. Rijndael's operations are | |
527 | among the easiest to defend against power and timing attacks. | |
528 | ||
529 | The AES specifies three key sizes: 128, 192 and 256 bits | |
530 | ||
531 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
532 | ||
533 | config CRYPTO_AES_NI_INTEL | |
534 | tristate "AES cipher algorithms (AES-NI)" | |
535 | depends on (X86 || UML_X86) && 64BIT | |
536 | select CRYPTO_AES_X86_64 | |
537 | select CRYPTO_CRYPTD | |
538 | select CRYPTO_ALGAPI | |
2cf4ac8b | 539 | select CRYPTO_FPU |
54b6a1bd HY |
540 | help |
541 | Use Intel AES-NI instructions for AES algorithm. | |
542 | ||
543 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
544 | algorithm. | |
545 | ||
546 | Rijndael appears to be consistently a very good performer in | |
547 | both hardware and software across a wide range of computing | |
548 | environments regardless of its use in feedback or non-feedback | |
549 | modes. Its key setup time is excellent, and its key agility is | |
584fffc8 SS |
550 | good. Rijndael's very low memory requirements make it very well |
551 | suited for restricted-space environments, in which it also | |
552 | demonstrates excellent performance. Rijndael's operations are | |
553 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 554 | |
584fffc8 | 555 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
556 | |
557 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
558 | ||
2cf4ac8b HY |
559 | In addition to AES cipher algorithm support, the |
560 | acceleration for some popular block cipher mode is supported | |
561 | too, including ECB, CBC, CTR, LRW, PCBC, XTS. | |
562 | ||
584fffc8 SS |
563 | config CRYPTO_ANUBIS |
564 | tristate "Anubis cipher algorithm" | |
565 | select CRYPTO_ALGAPI | |
566 | help | |
567 | Anubis cipher algorithm. | |
568 | ||
569 | Anubis is a variable key length cipher which can use keys from | |
570 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
571 | in the NESSIE competition. | |
572 | ||
573 | See also: | |
574 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
575 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
576 | ||
577 | config CRYPTO_ARC4 | |
578 | tristate "ARC4 cipher algorithm" | |
579 | select CRYPTO_ALGAPI | |
580 | help | |
581 | ARC4 cipher algorithm. | |
582 | ||
583 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
584 | bits in length. This algorithm is required for driver-based | |
585 | WEP, but it should not be for other purposes because of the | |
586 | weakness of the algorithm. | |
587 | ||
588 | config CRYPTO_BLOWFISH | |
589 | tristate "Blowfish cipher algorithm" | |
590 | select CRYPTO_ALGAPI | |
591 | help | |
592 | Blowfish cipher algorithm, by Bruce Schneier. | |
593 | ||
594 | This is a variable key length cipher which can use keys from 32 | |
595 | bits to 448 bits in length. It's fast, simple and specifically | |
596 | designed for use on "large microprocessors". | |
597 | ||
598 | See also: | |
599 | <http://www.schneier.com/blowfish.html> | |
600 | ||
601 | config CRYPTO_CAMELLIA | |
602 | tristate "Camellia cipher algorithms" | |
603 | depends on CRYPTO | |
604 | select CRYPTO_ALGAPI | |
605 | help | |
606 | Camellia cipher algorithms module. | |
607 | ||
608 | Camellia is a symmetric key block cipher developed jointly | |
609 | at NTT and Mitsubishi Electric Corporation. | |
610 | ||
611 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
612 | ||
613 | See also: | |
614 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
615 | ||
1da177e4 LT |
616 | config CRYPTO_CAST5 |
617 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 618 | select CRYPTO_ALGAPI |
1da177e4 LT |
619 | help |
620 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
621 | described in RFC2144. | |
622 | ||
623 | config CRYPTO_CAST6 | |
624 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 625 | select CRYPTO_ALGAPI |
1da177e4 LT |
626 | help |
627 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
628 | described in RFC2612. | |
629 | ||
584fffc8 SS |
630 | config CRYPTO_DES |
631 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 632 | select CRYPTO_ALGAPI |
1da177e4 | 633 | help |
584fffc8 | 634 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 635 | |
584fffc8 SS |
636 | config CRYPTO_FCRYPT |
637 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 638 | select CRYPTO_ALGAPI |
584fffc8 | 639 | select CRYPTO_BLKCIPHER |
1da177e4 | 640 | help |
584fffc8 | 641 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
642 | |
643 | config CRYPTO_KHAZAD | |
644 | tristate "Khazad cipher algorithm" | |
cce9e06d | 645 | select CRYPTO_ALGAPI |
1da177e4 LT |
646 | help |
647 | Khazad cipher algorithm. | |
648 | ||
649 | Khazad was a finalist in the initial NESSIE competition. It is | |
650 | an algorithm optimized for 64-bit processors with good performance | |
651 | on 32-bit processors. Khazad uses an 128 bit key size. | |
652 | ||
653 | See also: | |
654 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
655 | ||
2407d608 TSH |
656 | config CRYPTO_SALSA20 |
657 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
658 | depends on EXPERIMENTAL | |
659 | select CRYPTO_BLKCIPHER | |
660 | help | |
661 | Salsa20 stream cipher algorithm. | |
662 | ||
663 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
664 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
665 | |
666 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
667 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
668 | ||
669 | config CRYPTO_SALSA20_586 | |
670 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
671 | depends on (X86 || UML_X86) && !64BIT | |
672 | depends on EXPERIMENTAL | |
673 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
674 | help |
675 | Salsa20 stream cipher algorithm. | |
676 | ||
677 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
678 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
679 | |
680 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
681 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
682 | ||
683 | config CRYPTO_SALSA20_X86_64 | |
684 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
685 | depends on (X86 || UML_X86) && 64BIT | |
686 | depends on EXPERIMENTAL | |
687 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
688 | help |
689 | Salsa20 stream cipher algorithm. | |
690 | ||
691 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
692 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
693 | |
694 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
695 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 696 | |
584fffc8 SS |
697 | config CRYPTO_SEED |
698 | tristate "SEED cipher algorithm" | |
cce9e06d | 699 | select CRYPTO_ALGAPI |
1da177e4 | 700 | help |
584fffc8 | 701 | SEED cipher algorithm (RFC4269). |
1da177e4 | 702 | |
584fffc8 SS |
703 | SEED is a 128-bit symmetric key block cipher that has been |
704 | developed by KISA (Korea Information Security Agency) as a | |
705 | national standard encryption algorithm of the Republic of Korea. | |
706 | It is a 16 round block cipher with the key size of 128 bit. | |
707 | ||
708 | See also: | |
709 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
710 | ||
711 | config CRYPTO_SERPENT | |
712 | tristate "Serpent cipher algorithm" | |
cce9e06d | 713 | select CRYPTO_ALGAPI |
1da177e4 | 714 | help |
584fffc8 | 715 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 716 | |
584fffc8 SS |
717 | Keys are allowed to be from 0 to 256 bits in length, in steps |
718 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
719 | variant of Serpent for compatibility with old kerneli.org code. | |
720 | ||
721 | See also: | |
722 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
723 | ||
724 | config CRYPTO_TEA | |
725 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 726 | select CRYPTO_ALGAPI |
1da177e4 | 727 | help |
584fffc8 | 728 | TEA cipher algorithm. |
1da177e4 | 729 | |
584fffc8 SS |
730 | Tiny Encryption Algorithm is a simple cipher that uses |
731 | many rounds for security. It is very fast and uses | |
732 | little memory. | |
733 | ||
734 | Xtendend Tiny Encryption Algorithm is a modification to | |
735 | the TEA algorithm to address a potential key weakness | |
736 | in the TEA algorithm. | |
737 | ||
738 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
739 | of the XTEA algorithm for compatibility purposes. | |
740 | ||
741 | config CRYPTO_TWOFISH | |
742 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 743 | select CRYPTO_ALGAPI |
584fffc8 | 744 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 745 | help |
584fffc8 | 746 | Twofish cipher algorithm. |
04ac7db3 | 747 | |
584fffc8 SS |
748 | Twofish was submitted as an AES (Advanced Encryption Standard) |
749 | candidate cipher by researchers at CounterPane Systems. It is a | |
750 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
751 | bits. | |
04ac7db3 | 752 | |
584fffc8 SS |
753 | See also: |
754 | <http://www.schneier.com/twofish.html> | |
755 | ||
756 | config CRYPTO_TWOFISH_COMMON | |
757 | tristate | |
758 | help | |
759 | Common parts of the Twofish cipher algorithm shared by the | |
760 | generic c and the assembler implementations. | |
761 | ||
762 | config CRYPTO_TWOFISH_586 | |
763 | tristate "Twofish cipher algorithms (i586)" | |
764 | depends on (X86 || UML_X86) && !64BIT | |
765 | select CRYPTO_ALGAPI | |
766 | select CRYPTO_TWOFISH_COMMON | |
767 | help | |
768 | Twofish cipher algorithm. | |
769 | ||
770 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
771 | candidate cipher by researchers at CounterPane Systems. It is a | |
772 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
773 | bits. | |
04ac7db3 NT |
774 | |
775 | See also: | |
584fffc8 | 776 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 777 | |
584fffc8 SS |
778 | config CRYPTO_TWOFISH_X86_64 |
779 | tristate "Twofish cipher algorithm (x86_64)" | |
780 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 781 | select CRYPTO_ALGAPI |
584fffc8 | 782 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 783 | help |
584fffc8 | 784 | Twofish cipher algorithm (x86_64). |
1da177e4 | 785 | |
584fffc8 SS |
786 | Twofish was submitted as an AES (Advanced Encryption Standard) |
787 | candidate cipher by researchers at CounterPane Systems. It is a | |
788 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
789 | bits. | |
790 | ||
791 | See also: | |
792 | <http://www.schneier.com/twofish.html> | |
793 | ||
794 | comment "Compression" | |
795 | ||
796 | config CRYPTO_DEFLATE | |
797 | tristate "Deflate compression algorithm" | |
798 | select CRYPTO_ALGAPI | |
799 | select ZLIB_INFLATE | |
800 | select ZLIB_DEFLATE | |
3c09f17c | 801 | help |
584fffc8 SS |
802 | This is the Deflate algorithm (RFC1951), specified for use in |
803 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
804 | ||
805 | You will most probably want this if using IPSec. | |
3c09f17c | 806 | |
bf68e65e GU |
807 | config CRYPTO_ZLIB |
808 | tristate "Zlib compression algorithm" | |
809 | select CRYPTO_PCOMP | |
810 | select ZLIB_INFLATE | |
811 | select ZLIB_DEFLATE | |
812 | select NLATTR | |
813 | help | |
814 | This is the zlib algorithm. | |
815 | ||
0b77abb3 ZS |
816 | config CRYPTO_LZO |
817 | tristate "LZO compression algorithm" | |
818 | select CRYPTO_ALGAPI | |
819 | select LZO_COMPRESS | |
820 | select LZO_DECOMPRESS | |
821 | help | |
822 | This is the LZO algorithm. | |
823 | ||
17f0f4a4 NH |
824 | comment "Random Number Generation" |
825 | ||
826 | config CRYPTO_ANSI_CPRNG | |
827 | tristate "Pseudo Random Number Generation for Cryptographic modules" | |
4e4ed83b | 828 | default m |
17f0f4a4 NH |
829 | select CRYPTO_AES |
830 | select CRYPTO_RNG | |
17f0f4a4 NH |
831 | help |
832 | This option enables the generic pseudo random number generator | |
833 | for cryptographic modules. Uses the Algorithm specified in | |
7dd607e8 JK |
834 | ANSI X9.31 A.2.4. Note that this option must be enabled if |
835 | CRYPTO_FIPS is selected | |
17f0f4a4 | 836 | |
1da177e4 | 837 | source "drivers/crypto/Kconfig" |
1da177e4 | 838 | |
cce9e06d | 839 | endif # if CRYPTO |