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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" | |
e84c5480 | 26 | depends on CRYPTO_ANSI_CPRNG && !CRYPTO_MANAGER_DISABLE_TESTS |
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 | |
e84c5480 | 31 | this is. |
ccb778e1 | 32 | |
cce9e06d HX |
33 | config CRYPTO_ALGAPI |
34 | tristate | |
6a0fcbb4 | 35 | select CRYPTO_ALGAPI2 |
cce9e06d HX |
36 | help |
37 | This option provides the API for cryptographic algorithms. | |
38 | ||
6a0fcbb4 HX |
39 | config CRYPTO_ALGAPI2 |
40 | tristate | |
41 | ||
1ae97820 HX |
42 | config CRYPTO_AEAD |
43 | tristate | |
6a0fcbb4 | 44 | select CRYPTO_AEAD2 |
1ae97820 HX |
45 | select CRYPTO_ALGAPI |
46 | ||
6a0fcbb4 HX |
47 | config CRYPTO_AEAD2 |
48 | tristate | |
49 | select CRYPTO_ALGAPI2 | |
50 | ||
5cde0af2 HX |
51 | config CRYPTO_BLKCIPHER |
52 | tristate | |
6a0fcbb4 | 53 | select CRYPTO_BLKCIPHER2 |
5cde0af2 | 54 | select CRYPTO_ALGAPI |
6a0fcbb4 HX |
55 | |
56 | config CRYPTO_BLKCIPHER2 | |
57 | tristate | |
58 | select CRYPTO_ALGAPI2 | |
59 | select CRYPTO_RNG2 | |
0a2e821d | 60 | select CRYPTO_WORKQUEUE |
5cde0af2 | 61 | |
055bcee3 HX |
62 | config CRYPTO_HASH |
63 | tristate | |
6a0fcbb4 | 64 | select CRYPTO_HASH2 |
055bcee3 HX |
65 | select CRYPTO_ALGAPI |
66 | ||
6a0fcbb4 HX |
67 | config CRYPTO_HASH2 |
68 | tristate | |
69 | select CRYPTO_ALGAPI2 | |
70 | ||
17f0f4a4 NH |
71 | config CRYPTO_RNG |
72 | tristate | |
6a0fcbb4 | 73 | select CRYPTO_RNG2 |
17f0f4a4 NH |
74 | select CRYPTO_ALGAPI |
75 | ||
6a0fcbb4 HX |
76 | config CRYPTO_RNG2 |
77 | tristate | |
78 | select CRYPTO_ALGAPI2 | |
79 | ||
a1d2f095 | 80 | config CRYPTO_PCOMP |
bc94e596 HX |
81 | tristate |
82 | select CRYPTO_PCOMP2 | |
83 | select CRYPTO_ALGAPI | |
84 | ||
85 | config CRYPTO_PCOMP2 | |
a1d2f095 GU |
86 | tristate |
87 | select CRYPTO_ALGAPI2 | |
88 | ||
2b8c19db HX |
89 | config CRYPTO_MANAGER |
90 | tristate "Cryptographic algorithm manager" | |
6a0fcbb4 | 91 | select CRYPTO_MANAGER2 |
2b8c19db HX |
92 | help |
93 | Create default cryptographic template instantiations such as | |
94 | cbc(aes). | |
95 | ||
6a0fcbb4 HX |
96 | config CRYPTO_MANAGER2 |
97 | def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) | |
98 | select CRYPTO_AEAD2 | |
99 | select CRYPTO_HASH2 | |
100 | select CRYPTO_BLKCIPHER2 | |
bc94e596 | 101 | select CRYPTO_PCOMP2 |
6a0fcbb4 | 102 | |
326a6346 HX |
103 | config CRYPTO_MANAGER_DISABLE_TESTS |
104 | bool "Disable run-time self tests" | |
00ca28a5 HX |
105 | default y |
106 | depends on CRYPTO_MANAGER2 | |
0b767f96 | 107 | help |
326a6346 HX |
108 | Disable run-time self tests that normally take place at |
109 | algorithm registration. | |
0b767f96 | 110 | |
584fffc8 SS |
111 | config CRYPTO_GF128MUL |
112 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
333b0d7e | 113 | help |
584fffc8 SS |
114 | Efficient table driven implementation of multiplications in the |
115 | field GF(2^128). This is needed by some cypher modes. This | |
116 | option will be selected automatically if you select such a | |
117 | cipher mode. Only select this option by hand if you expect to load | |
118 | an external module that requires these functions. | |
333b0d7e | 119 | |
1da177e4 LT |
120 | config CRYPTO_NULL |
121 | tristate "Null algorithms" | |
cce9e06d | 122 | select CRYPTO_ALGAPI |
c8620c25 | 123 | select CRYPTO_BLKCIPHER |
d35d2454 | 124 | select CRYPTO_HASH |
1da177e4 LT |
125 | help |
126 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
127 | ||
5068c7a8 SK |
128 | config CRYPTO_PCRYPT |
129 | tristate "Parallel crypto engine (EXPERIMENTAL)" | |
130 | depends on SMP && EXPERIMENTAL | |
131 | select PADATA | |
132 | select CRYPTO_MANAGER | |
133 | select CRYPTO_AEAD | |
134 | help | |
135 | This converts an arbitrary crypto algorithm into a parallel | |
136 | algorithm that executes in kernel threads. | |
137 | ||
25c38d3f HY |
138 | config CRYPTO_WORKQUEUE |
139 | tristate | |
140 | ||
584fffc8 SS |
141 | config CRYPTO_CRYPTD |
142 | tristate "Software async crypto daemon" | |
143 | select CRYPTO_BLKCIPHER | |
b8a28251 | 144 | select CRYPTO_HASH |
584fffc8 | 145 | select CRYPTO_MANAGER |
254eff77 | 146 | select CRYPTO_WORKQUEUE |
1da177e4 | 147 | help |
584fffc8 SS |
148 | This is a generic software asynchronous crypto daemon that |
149 | converts an arbitrary synchronous software crypto algorithm | |
150 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 151 | |
584fffc8 SS |
152 | config CRYPTO_AUTHENC |
153 | tristate "Authenc support" | |
154 | select CRYPTO_AEAD | |
155 | select CRYPTO_BLKCIPHER | |
156 | select CRYPTO_MANAGER | |
157 | select CRYPTO_HASH | |
1da177e4 | 158 | help |
584fffc8 SS |
159 | Authenc: Combined mode wrapper for IPsec. |
160 | This is required for IPSec. | |
1da177e4 | 161 | |
584fffc8 SS |
162 | config CRYPTO_TEST |
163 | tristate "Testing module" | |
164 | depends on m | |
da7f033d | 165 | select CRYPTO_MANAGER |
1da177e4 | 166 | help |
584fffc8 | 167 | Quick & dirty crypto test module. |
1da177e4 | 168 | |
584fffc8 | 169 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 170 | |
584fffc8 SS |
171 | config CRYPTO_CCM |
172 | tristate "CCM support" | |
173 | select CRYPTO_CTR | |
174 | select CRYPTO_AEAD | |
1da177e4 | 175 | help |
584fffc8 | 176 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 177 | |
584fffc8 SS |
178 | config CRYPTO_GCM |
179 | tristate "GCM/GMAC support" | |
180 | select CRYPTO_CTR | |
181 | select CRYPTO_AEAD | |
9382d97a | 182 | select CRYPTO_GHASH |
1da177e4 | 183 | help |
584fffc8 SS |
184 | Support for Galois/Counter Mode (GCM) and Galois Message |
185 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 186 | |
584fffc8 SS |
187 | config CRYPTO_SEQIV |
188 | tristate "Sequence Number IV Generator" | |
189 | select CRYPTO_AEAD | |
190 | select CRYPTO_BLKCIPHER | |
a0f000ec | 191 | select CRYPTO_RNG |
1da177e4 | 192 | help |
584fffc8 SS |
193 | This IV generator generates an IV based on a sequence number by |
194 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 195 | |
584fffc8 | 196 | comment "Block modes" |
c494e070 | 197 | |
584fffc8 SS |
198 | config CRYPTO_CBC |
199 | tristate "CBC support" | |
db131ef9 | 200 | select CRYPTO_BLKCIPHER |
43518407 | 201 | select CRYPTO_MANAGER |
db131ef9 | 202 | help |
584fffc8 SS |
203 | CBC: Cipher Block Chaining mode |
204 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 205 | |
584fffc8 SS |
206 | config CRYPTO_CTR |
207 | tristate "CTR support" | |
db131ef9 | 208 | select CRYPTO_BLKCIPHER |
584fffc8 | 209 | select CRYPTO_SEQIV |
43518407 | 210 | select CRYPTO_MANAGER |
db131ef9 | 211 | help |
584fffc8 | 212 | CTR: Counter mode |
db131ef9 HX |
213 | This block cipher algorithm is required for IPSec. |
214 | ||
584fffc8 SS |
215 | config CRYPTO_CTS |
216 | tristate "CTS support" | |
217 | select CRYPTO_BLKCIPHER | |
218 | help | |
219 | CTS: Cipher Text Stealing | |
220 | This is the Cipher Text Stealing mode as described by | |
221 | Section 8 of rfc2040 and referenced by rfc3962. | |
222 | (rfc3962 includes errata information in its Appendix A) | |
223 | This mode is required for Kerberos gss mechanism support | |
224 | for AES encryption. | |
225 | ||
226 | config CRYPTO_ECB | |
227 | tristate "ECB support" | |
91652be5 DH |
228 | select CRYPTO_BLKCIPHER |
229 | select CRYPTO_MANAGER | |
91652be5 | 230 | help |
584fffc8 SS |
231 | ECB: Electronic CodeBook mode |
232 | This is the simplest block cipher algorithm. It simply encrypts | |
233 | the input block by block. | |
91652be5 | 234 | |
64470f1b RS |
235 | config CRYPTO_LRW |
236 | tristate "LRW support (EXPERIMENTAL)" | |
237 | depends on EXPERIMENTAL | |
238 | select CRYPTO_BLKCIPHER | |
239 | select CRYPTO_MANAGER | |
240 | select CRYPTO_GF128MUL | |
241 | help | |
242 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
243 | narrow block cipher mode for dm-crypt. Use it with cipher | |
244 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
245 | The first 128, 192 or 256 bits in the key are used for AES and the | |
246 | rest is used to tie each cipher block to its logical position. | |
247 | ||
584fffc8 SS |
248 | config CRYPTO_PCBC |
249 | tristate "PCBC support" | |
250 | select CRYPTO_BLKCIPHER | |
251 | select CRYPTO_MANAGER | |
252 | help | |
253 | PCBC: Propagating Cipher Block Chaining mode | |
254 | This block cipher algorithm is required for RxRPC. | |
255 | ||
f19f5111 RS |
256 | config CRYPTO_XTS |
257 | tristate "XTS support (EXPERIMENTAL)" | |
258 | depends on EXPERIMENTAL | |
259 | select CRYPTO_BLKCIPHER | |
260 | select CRYPTO_MANAGER | |
261 | select CRYPTO_GF128MUL | |
262 | help | |
263 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
264 | key size 256, 384 or 512 bits. This implementation currently | |
265 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
266 | ||
584fffc8 SS |
267 | comment "Hash modes" |
268 | ||
269 | config CRYPTO_HMAC | |
270 | tristate "HMAC support" | |
271 | select CRYPTO_HASH | |
23e353c8 | 272 | select CRYPTO_MANAGER |
23e353c8 | 273 | help |
584fffc8 SS |
274 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
275 | This is required for IPSec. | |
23e353c8 | 276 | |
584fffc8 SS |
277 | config CRYPTO_XCBC |
278 | tristate "XCBC support" | |
279 | depends on EXPERIMENTAL | |
280 | select CRYPTO_HASH | |
281 | select CRYPTO_MANAGER | |
76cb9521 | 282 | help |
584fffc8 SS |
283 | XCBC: Keyed-Hashing with encryption algorithm |
284 | http://www.ietf.org/rfc/rfc3566.txt | |
285 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
286 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 287 | |
f1939f7c SW |
288 | config CRYPTO_VMAC |
289 | tristate "VMAC support" | |
290 | depends on EXPERIMENTAL | |
291 | select CRYPTO_HASH | |
292 | select CRYPTO_MANAGER | |
293 | help | |
294 | VMAC is a message authentication algorithm designed for | |
295 | very high speed on 64-bit architectures. | |
296 | ||
297 | See also: | |
298 | <http://fastcrypto.org/vmac> | |
299 | ||
584fffc8 | 300 | comment "Digest" |
28db8e3e | 301 | |
584fffc8 SS |
302 | config CRYPTO_CRC32C |
303 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 304 | select CRYPTO_HASH |
4a49b499 | 305 | help |
584fffc8 SS |
306 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
307 | by iSCSI for header and data digests and by others. | |
69c35efc | 308 | See Castagnoli93. Module will be crc32c. |
4a49b499 | 309 | |
8cb51ba8 AZ |
310 | config CRYPTO_CRC32C_INTEL |
311 | tristate "CRC32c INTEL hardware acceleration" | |
312 | depends on X86 | |
313 | select CRYPTO_HASH | |
314 | help | |
315 | In Intel processor with SSE4.2 supported, the processor will | |
316 | support CRC32C implementation using hardware accelerated CRC32 | |
317 | instruction. This option will create 'crc32c-intel' module, | |
318 | which will enable any routine to use the CRC32 instruction to | |
319 | gain performance compared with software implementation. | |
320 | Module will be crc32c-intel. | |
321 | ||
2cdc6899 HY |
322 | config CRYPTO_GHASH |
323 | tristate "GHASH digest algorithm" | |
324 | select CRYPTO_SHASH | |
325 | select CRYPTO_GF128MUL | |
326 | help | |
327 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
328 | ||
584fffc8 SS |
329 | config CRYPTO_MD4 |
330 | tristate "MD4 digest algorithm" | |
808a1763 | 331 | select CRYPTO_HASH |
124b53d0 | 332 | help |
584fffc8 | 333 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 334 | |
584fffc8 SS |
335 | config CRYPTO_MD5 |
336 | tristate "MD5 digest algorithm" | |
14b75ba7 | 337 | select CRYPTO_HASH |
1da177e4 | 338 | help |
584fffc8 | 339 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 340 | |
584fffc8 SS |
341 | config CRYPTO_MICHAEL_MIC |
342 | tristate "Michael MIC keyed digest algorithm" | |
19e2bf14 | 343 | select CRYPTO_HASH |
90831639 | 344 | help |
584fffc8 SS |
345 | Michael MIC is used for message integrity protection in TKIP |
346 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
347 | should not be used for other purposes because of the weakness | |
348 | of the algorithm. | |
90831639 | 349 | |
82798f90 | 350 | config CRYPTO_RMD128 |
b6d44341 | 351 | tristate "RIPEMD-128 digest algorithm" |
7c4468bc | 352 | select CRYPTO_HASH |
b6d44341 AB |
353 | help |
354 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 355 | |
b6d44341 | 356 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
35ed4b35 | 357 | be used as a secure replacement for RIPEMD. For other use cases, |
b6d44341 | 358 | RIPEMD-160 should be used. |
82798f90 | 359 | |
b6d44341 | 360 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 361 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
82798f90 AKR |
362 | |
363 | config CRYPTO_RMD160 | |
b6d44341 | 364 | tristate "RIPEMD-160 digest algorithm" |
e5835fba | 365 | select CRYPTO_HASH |
b6d44341 AB |
366 | help |
367 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 368 | |
b6d44341 AB |
369 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
370 | to be used as a secure replacement for the 128-bit hash functions | |
371 | MD4, MD5 and it's predecessor RIPEMD | |
372 | (not to be confused with RIPEMD-128). | |
82798f90 | 373 | |
b6d44341 AB |
374 | It's speed is comparable to SHA1 and there are no known attacks |
375 | against RIPEMD-160. | |
534fe2c1 | 376 | |
b6d44341 | 377 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 378 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
534fe2c1 AKR |
379 | |
380 | config CRYPTO_RMD256 | |
b6d44341 | 381 | tristate "RIPEMD-256 digest algorithm" |
d8a5e2e9 | 382 | select CRYPTO_HASH |
b6d44341 AB |
383 | help |
384 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
385 | 256 bit hash. It is intended for applications that require | |
386 | longer hash-results, without needing a larger security level | |
387 | (than RIPEMD-128). | |
534fe2c1 | 388 | |
b6d44341 | 389 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 390 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
534fe2c1 AKR |
391 | |
392 | config CRYPTO_RMD320 | |
b6d44341 | 393 | tristate "RIPEMD-320 digest algorithm" |
3b8efb4c | 394 | select CRYPTO_HASH |
b6d44341 AB |
395 | help |
396 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
397 | 320 bit hash. It is intended for applications that require | |
398 | longer hash-results, without needing a larger security level | |
399 | (than RIPEMD-160). | |
534fe2c1 | 400 | |
b6d44341 | 401 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 402 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
82798f90 | 403 | |
584fffc8 SS |
404 | config CRYPTO_SHA1 |
405 | tristate "SHA1 digest algorithm" | |
54ccb367 | 406 | select CRYPTO_HASH |
1da177e4 | 407 | help |
584fffc8 | 408 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 409 | |
584fffc8 SS |
410 | config CRYPTO_SHA256 |
411 | tristate "SHA224 and SHA256 digest algorithm" | |
50e109b5 | 412 | select CRYPTO_HASH |
1da177e4 | 413 | help |
584fffc8 | 414 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 415 | |
584fffc8 SS |
416 | This version of SHA implements a 256 bit hash with 128 bits of |
417 | security against collision attacks. | |
2729bb42 | 418 | |
b6d44341 AB |
419 | This code also includes SHA-224, a 224 bit hash with 112 bits |
420 | of security against collision attacks. | |
584fffc8 SS |
421 | |
422 | config CRYPTO_SHA512 | |
423 | tristate "SHA384 and SHA512 digest algorithms" | |
bd9d20db | 424 | select CRYPTO_HASH |
b9f535ff | 425 | help |
584fffc8 | 426 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 427 | |
584fffc8 SS |
428 | This version of SHA implements a 512 bit hash with 256 bits of |
429 | security against collision attacks. | |
b9f535ff | 430 | |
584fffc8 SS |
431 | This code also includes SHA-384, a 384 bit hash with 192 bits |
432 | of security against collision attacks. | |
b9f535ff | 433 | |
584fffc8 SS |
434 | config CRYPTO_TGR192 |
435 | tristate "Tiger digest algorithms" | |
f63fbd3d | 436 | select CRYPTO_HASH |
eaf44088 | 437 | help |
584fffc8 | 438 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 439 | |
584fffc8 SS |
440 | Tiger is a hash function optimized for 64-bit processors while |
441 | still having decent performance on 32-bit processors. | |
442 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
443 | |
444 | See also: | |
584fffc8 | 445 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 446 | |
584fffc8 SS |
447 | config CRYPTO_WP512 |
448 | tristate "Whirlpool digest algorithms" | |
4946510b | 449 | select CRYPTO_HASH |
1da177e4 | 450 | help |
584fffc8 | 451 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 452 | |
584fffc8 SS |
453 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
454 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
455 | |
456 | See also: | |
6d8de74c | 457 | <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html> |
584fffc8 | 458 | |
0e1227d3 HY |
459 | config CRYPTO_GHASH_CLMUL_NI_INTEL |
460 | tristate "GHASH digest algorithm (CLMUL-NI accelerated)" | |
8af00860 | 461 | depends on X86 && 64BIT |
0e1227d3 HY |
462 | select CRYPTO_SHASH |
463 | select CRYPTO_CRYPTD | |
464 | help | |
465 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
466 | The implementation is accelerated by CLMUL-NI of Intel. | |
467 | ||
584fffc8 | 468 | comment "Ciphers" |
1da177e4 LT |
469 | |
470 | config CRYPTO_AES | |
471 | tristate "AES cipher algorithms" | |
cce9e06d | 472 | select CRYPTO_ALGAPI |
1da177e4 | 473 | help |
584fffc8 | 474 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
475 | algorithm. |
476 | ||
477 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
478 | both hardware and software across a wide range of computing |
479 | environments regardless of its use in feedback or non-feedback | |
480 | modes. Its key setup time is excellent, and its key agility is | |
481 | good. Rijndael's very low memory requirements make it very well | |
482 | suited for restricted-space environments, in which it also | |
483 | demonstrates excellent performance. Rijndael's operations are | |
484 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 485 | |
584fffc8 | 486 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
487 | |
488 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
489 | ||
490 | config CRYPTO_AES_586 | |
491 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
492 | depends on (X86 || UML_X86) && !64BIT |
493 | select CRYPTO_ALGAPI | |
5157dea8 | 494 | select CRYPTO_AES |
1da177e4 | 495 | help |
584fffc8 | 496 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
497 | algorithm. |
498 | ||
499 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
500 | both hardware and software across a wide range of computing |
501 | environments regardless of its use in feedback or non-feedback | |
502 | modes. Its key setup time is excellent, and its key agility is | |
503 | good. Rijndael's very low memory requirements make it very well | |
504 | suited for restricted-space environments, in which it also | |
505 | demonstrates excellent performance. Rijndael's operations are | |
506 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 507 | |
584fffc8 | 508 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
509 | |
510 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
511 | ||
512 | config CRYPTO_AES_X86_64 | |
513 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
514 | depends on (X86 || UML_X86) && 64BIT |
515 | select CRYPTO_ALGAPI | |
81190b32 | 516 | select CRYPTO_AES |
a2a892a2 | 517 | help |
584fffc8 | 518 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
519 | algorithm. |
520 | ||
521 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
522 | both hardware and software across a wide range of computing |
523 | environments regardless of its use in feedback or non-feedback | |
524 | modes. Its key setup time is excellent, and its key agility is | |
54b6a1bd HY |
525 | good. Rijndael's very low memory requirements make it very well |
526 | suited for restricted-space environments, in which it also | |
527 | demonstrates excellent performance. Rijndael's operations are | |
528 | among the easiest to defend against power and timing attacks. | |
529 | ||
530 | The AES specifies three key sizes: 128, 192 and 256 bits | |
531 | ||
532 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
533 | ||
534 | config CRYPTO_AES_NI_INTEL | |
535 | tristate "AES cipher algorithms (AES-NI)" | |
8af00860 | 536 | depends on X86 |
0d258efb MK |
537 | select CRYPTO_AES_X86_64 if 64BIT |
538 | select CRYPTO_AES_586 if !64BIT | |
54b6a1bd HY |
539 | select CRYPTO_CRYPTD |
540 | select CRYPTO_ALGAPI | |
541 | help | |
542 | Use Intel AES-NI instructions for AES algorithm. | |
543 | ||
544 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
545 | algorithm. | |
546 | ||
547 | Rijndael appears to be consistently a very good performer in | |
548 | both hardware and software across a wide range of computing | |
549 | environments regardless of its use in feedback or non-feedback | |
550 | modes. Its key setup time is excellent, and its key agility is | |
584fffc8 SS |
551 | good. Rijndael's very low memory requirements make it very well |
552 | suited for restricted-space environments, in which it also | |
553 | demonstrates excellent performance. Rijndael's operations are | |
554 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 555 | |
584fffc8 | 556 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
557 | |
558 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
559 | ||
0d258efb MK |
560 | In addition to AES cipher algorithm support, the acceleration |
561 | for some popular block cipher mode is supported too, including | |
562 | ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional | |
563 | acceleration for CTR. | |
2cf4ac8b | 564 | |
584fffc8 SS |
565 | config CRYPTO_ANUBIS |
566 | tristate "Anubis cipher algorithm" | |
567 | select CRYPTO_ALGAPI | |
568 | help | |
569 | Anubis cipher algorithm. | |
570 | ||
571 | Anubis is a variable key length cipher which can use keys from | |
572 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
573 | in the NESSIE competition. | |
574 | ||
575 | See also: | |
6d8de74c JM |
576 | <https://www.cosic.esat.kuleuven.be/nessie/reports/> |
577 | <http://www.larc.usp.br/~pbarreto/AnubisPage.html> | |
584fffc8 SS |
578 | |
579 | config CRYPTO_ARC4 | |
580 | tristate "ARC4 cipher algorithm" | |
581 | select CRYPTO_ALGAPI | |
582 | help | |
583 | ARC4 cipher algorithm. | |
584 | ||
585 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
586 | bits in length. This algorithm is required for driver-based | |
587 | WEP, but it should not be for other purposes because of the | |
588 | weakness of the algorithm. | |
589 | ||
590 | config CRYPTO_BLOWFISH | |
591 | tristate "Blowfish cipher algorithm" | |
592 | select CRYPTO_ALGAPI | |
593 | help | |
594 | Blowfish cipher algorithm, by Bruce Schneier. | |
595 | ||
596 | This is a variable key length cipher which can use keys from 32 | |
597 | bits to 448 bits in length. It's fast, simple and specifically | |
598 | designed for use on "large microprocessors". | |
599 | ||
600 | See also: | |
601 | <http://www.schneier.com/blowfish.html> | |
602 | ||
603 | config CRYPTO_CAMELLIA | |
604 | tristate "Camellia cipher algorithms" | |
605 | depends on CRYPTO | |
606 | select CRYPTO_ALGAPI | |
607 | help | |
608 | Camellia cipher algorithms module. | |
609 | ||
610 | Camellia is a symmetric key block cipher developed jointly | |
611 | at NTT and Mitsubishi Electric Corporation. | |
612 | ||
613 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
614 | ||
615 | See also: | |
616 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
617 | ||
1da177e4 LT |
618 | config CRYPTO_CAST5 |
619 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 620 | select CRYPTO_ALGAPI |
1da177e4 LT |
621 | help |
622 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
623 | described in RFC2144. | |
624 | ||
625 | config CRYPTO_CAST6 | |
626 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 627 | select CRYPTO_ALGAPI |
1da177e4 LT |
628 | help |
629 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
630 | described in RFC2612. | |
631 | ||
584fffc8 SS |
632 | config CRYPTO_DES |
633 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 634 | select CRYPTO_ALGAPI |
1da177e4 | 635 | help |
584fffc8 | 636 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 637 | |
584fffc8 SS |
638 | config CRYPTO_FCRYPT |
639 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 640 | select CRYPTO_ALGAPI |
584fffc8 | 641 | select CRYPTO_BLKCIPHER |
1da177e4 | 642 | help |
584fffc8 | 643 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
644 | |
645 | config CRYPTO_KHAZAD | |
646 | tristate "Khazad cipher algorithm" | |
cce9e06d | 647 | select CRYPTO_ALGAPI |
1da177e4 LT |
648 | help |
649 | Khazad cipher algorithm. | |
650 | ||
651 | Khazad was a finalist in the initial NESSIE competition. It is | |
652 | an algorithm optimized for 64-bit processors with good performance | |
653 | on 32-bit processors. Khazad uses an 128 bit key size. | |
654 | ||
655 | See also: | |
6d8de74c | 656 | <http://www.larc.usp.br/~pbarreto/KhazadPage.html> |
1da177e4 | 657 | |
2407d608 TSH |
658 | config CRYPTO_SALSA20 |
659 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
660 | depends on EXPERIMENTAL | |
661 | select CRYPTO_BLKCIPHER | |
662 | help | |
663 | Salsa20 stream cipher algorithm. | |
664 | ||
665 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
666 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
667 | |
668 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
669 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
670 | ||
671 | config CRYPTO_SALSA20_586 | |
672 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
673 | depends on (X86 || UML_X86) && !64BIT | |
674 | depends on EXPERIMENTAL | |
675 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
676 | help |
677 | Salsa20 stream cipher algorithm. | |
678 | ||
679 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
680 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
681 | |
682 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
683 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
684 | ||
685 | config CRYPTO_SALSA20_X86_64 | |
686 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
687 | depends on (X86 || UML_X86) && 64BIT | |
688 | depends on EXPERIMENTAL | |
689 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
690 | help |
691 | Salsa20 stream cipher algorithm. | |
692 | ||
693 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
694 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
695 | |
696 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
697 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 698 | |
584fffc8 SS |
699 | config CRYPTO_SEED |
700 | tristate "SEED cipher algorithm" | |
cce9e06d | 701 | select CRYPTO_ALGAPI |
1da177e4 | 702 | help |
584fffc8 | 703 | SEED cipher algorithm (RFC4269). |
1da177e4 | 704 | |
584fffc8 SS |
705 | SEED is a 128-bit symmetric key block cipher that has been |
706 | developed by KISA (Korea Information Security Agency) as a | |
707 | national standard encryption algorithm of the Republic of Korea. | |
708 | It is a 16 round block cipher with the key size of 128 bit. | |
709 | ||
710 | See also: | |
711 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
712 | ||
713 | config CRYPTO_SERPENT | |
714 | tristate "Serpent cipher algorithm" | |
cce9e06d | 715 | select CRYPTO_ALGAPI |
1da177e4 | 716 | help |
584fffc8 | 717 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 718 | |
584fffc8 SS |
719 | Keys are allowed to be from 0 to 256 bits in length, in steps |
720 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
721 | variant of Serpent for compatibility with old kerneli.org code. | |
722 | ||
723 | See also: | |
724 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
725 | ||
726 | config CRYPTO_TEA | |
727 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 728 | select CRYPTO_ALGAPI |
1da177e4 | 729 | help |
584fffc8 | 730 | TEA cipher algorithm. |
1da177e4 | 731 | |
584fffc8 SS |
732 | Tiny Encryption Algorithm is a simple cipher that uses |
733 | many rounds for security. It is very fast and uses | |
734 | little memory. | |
735 | ||
736 | Xtendend Tiny Encryption Algorithm is a modification to | |
737 | the TEA algorithm to address a potential key weakness | |
738 | in the TEA algorithm. | |
739 | ||
740 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
741 | of the XTEA algorithm for compatibility purposes. | |
742 | ||
743 | config CRYPTO_TWOFISH | |
744 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 745 | select CRYPTO_ALGAPI |
584fffc8 | 746 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 747 | help |
584fffc8 | 748 | Twofish cipher algorithm. |
04ac7db3 | 749 | |
584fffc8 SS |
750 | Twofish was submitted as an AES (Advanced Encryption Standard) |
751 | candidate cipher by researchers at CounterPane Systems. It is a | |
752 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
753 | bits. | |
04ac7db3 | 754 | |
584fffc8 SS |
755 | See also: |
756 | <http://www.schneier.com/twofish.html> | |
757 | ||
758 | config CRYPTO_TWOFISH_COMMON | |
759 | tristate | |
760 | help | |
761 | Common parts of the Twofish cipher algorithm shared by the | |
762 | generic c and the assembler implementations. | |
763 | ||
764 | config CRYPTO_TWOFISH_586 | |
765 | tristate "Twofish cipher algorithms (i586)" | |
766 | depends on (X86 || UML_X86) && !64BIT | |
767 | select CRYPTO_ALGAPI | |
768 | select CRYPTO_TWOFISH_COMMON | |
769 | help | |
770 | Twofish cipher algorithm. | |
771 | ||
772 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
773 | candidate cipher by researchers at CounterPane Systems. It is a | |
774 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
775 | bits. | |
04ac7db3 NT |
776 | |
777 | See also: | |
584fffc8 | 778 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 779 | |
584fffc8 SS |
780 | config CRYPTO_TWOFISH_X86_64 |
781 | tristate "Twofish cipher algorithm (x86_64)" | |
782 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 783 | select CRYPTO_ALGAPI |
584fffc8 | 784 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 785 | help |
584fffc8 | 786 | Twofish cipher algorithm (x86_64). |
1da177e4 | 787 | |
584fffc8 SS |
788 | Twofish was submitted as an AES (Advanced Encryption Standard) |
789 | candidate cipher by researchers at CounterPane Systems. It is a | |
790 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
791 | bits. | |
792 | ||
793 | See also: | |
794 | <http://www.schneier.com/twofish.html> | |
795 | ||
796 | comment "Compression" | |
797 | ||
798 | config CRYPTO_DEFLATE | |
799 | tristate "Deflate compression algorithm" | |
800 | select CRYPTO_ALGAPI | |
801 | select ZLIB_INFLATE | |
802 | select ZLIB_DEFLATE | |
3c09f17c | 803 | help |
584fffc8 SS |
804 | This is the Deflate algorithm (RFC1951), specified for use in |
805 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
806 | ||
807 | You will most probably want this if using IPSec. | |
3c09f17c | 808 | |
bf68e65e GU |
809 | config CRYPTO_ZLIB |
810 | tristate "Zlib compression algorithm" | |
811 | select CRYPTO_PCOMP | |
812 | select ZLIB_INFLATE | |
813 | select ZLIB_DEFLATE | |
814 | select NLATTR | |
815 | help | |
816 | This is the zlib algorithm. | |
817 | ||
0b77abb3 ZS |
818 | config CRYPTO_LZO |
819 | tristate "LZO compression algorithm" | |
820 | select CRYPTO_ALGAPI | |
821 | select LZO_COMPRESS | |
822 | select LZO_DECOMPRESS | |
823 | help | |
824 | This is the LZO algorithm. | |
825 | ||
17f0f4a4 NH |
826 | comment "Random Number Generation" |
827 | ||
828 | config CRYPTO_ANSI_CPRNG | |
829 | tristate "Pseudo Random Number Generation for Cryptographic modules" | |
4e4ed83b | 830 | default m |
17f0f4a4 NH |
831 | select CRYPTO_AES |
832 | select CRYPTO_RNG | |
17f0f4a4 NH |
833 | help |
834 | This option enables the generic pseudo random number generator | |
835 | for cryptographic modules. Uses the Algorithm specified in | |
7dd607e8 JK |
836 | ANSI X9.31 A.2.4. Note that this option must be enabled if |
837 | CRYPTO_FIPS is selected | |
17f0f4a4 | 838 | |
03c8efc1 HX |
839 | config CRYPTO_USER_API |
840 | tristate | |
841 | ||
fe869cdb HX |
842 | config CRYPTO_USER_API_HASH |
843 | tristate "User-space interface for hash algorithms" | |
7451708f | 844 | depends on NET |
fe869cdb HX |
845 | select CRYPTO_HASH |
846 | select CRYPTO_USER_API | |
847 | help | |
848 | This option enables the user-spaces interface for hash | |
849 | algorithms. | |
850 | ||
8ff59090 HX |
851 | config CRYPTO_USER_API_SKCIPHER |
852 | tristate "User-space interface for symmetric key cipher algorithms" | |
7451708f | 853 | depends on NET |
8ff59090 HX |
854 | select CRYPTO_BLKCIPHER |
855 | select CRYPTO_USER_API | |
856 | help | |
857 | This option enables the user-spaces interface for symmetric | |
858 | key cipher algorithms. | |
859 | ||
1da177e4 | 860 | source "drivers/crypto/Kconfig" |
1da177e4 | 861 | |
cce9e06d | 862 | endif # if CRYPTO |