Commit | Line | Data |
---|---|---|
685784aa DW |
1 | # |
2 | # Generic algorithms support | |
3 | # | |
4 | config XOR_BLOCKS | |
5 | tristate | |
6 | ||
1da177e4 | 7 | # |
9bc89cd8 | 8 | # async_tx api: hardware offloaded memory transfer/transform support |
1da177e4 | 9 | # |
9bc89cd8 | 10 | source "crypto/async_tx/Kconfig" |
1da177e4 | 11 | |
9bc89cd8 DW |
12 | # |
13 | # Cryptographic API Configuration | |
14 | # | |
2e290f43 | 15 | menuconfig CRYPTO |
c3715cb9 | 16 | tristate "Cryptographic API" |
1da177e4 LT |
17 | help |
18 | This option provides the core Cryptographic API. | |
19 | ||
cce9e06d HX |
20 | if CRYPTO |
21 | ||
584fffc8 SS |
22 | comment "Crypto core or helper" |
23 | ||
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 | depends on EXPERIMENTAL |
333b0d7e | 114 | help |
584fffc8 SS |
115 | Efficient table driven implementation of multiplications in the |
116 | field GF(2^128). This is needed by some cypher modes. This | |
117 | option will be selected automatically if you select such a | |
118 | cipher mode. Only select this option by hand if you expect to load | |
119 | an external module that requires these functions. | |
333b0d7e | 120 | |
1da177e4 LT |
121 | config CRYPTO_NULL |
122 | tristate "Null algorithms" | |
cce9e06d | 123 | select CRYPTO_ALGAPI |
c8620c25 | 124 | select CRYPTO_BLKCIPHER |
d35d2454 | 125 | select CRYPTO_HASH |
1da177e4 LT |
126 | help |
127 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
128 | ||
5068c7a8 SK |
129 | config CRYPTO_PCRYPT |
130 | tristate "Parallel crypto engine (EXPERIMENTAL)" | |
131 | depends on SMP && EXPERIMENTAL | |
132 | select PADATA | |
133 | select CRYPTO_MANAGER | |
134 | select CRYPTO_AEAD | |
135 | help | |
136 | This converts an arbitrary crypto algorithm into a parallel | |
137 | algorithm that executes in kernel threads. | |
138 | ||
25c38d3f HY |
139 | config CRYPTO_WORKQUEUE |
140 | tristate | |
141 | ||
584fffc8 SS |
142 | config CRYPTO_CRYPTD |
143 | tristate "Software async crypto daemon" | |
144 | select CRYPTO_BLKCIPHER | |
b8a28251 | 145 | select CRYPTO_HASH |
584fffc8 | 146 | select CRYPTO_MANAGER |
254eff77 | 147 | select CRYPTO_WORKQUEUE |
1da177e4 | 148 | help |
584fffc8 SS |
149 | This is a generic software asynchronous crypto daemon that |
150 | converts an arbitrary synchronous software crypto algorithm | |
151 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 152 | |
584fffc8 SS |
153 | config CRYPTO_AUTHENC |
154 | tristate "Authenc support" | |
155 | select CRYPTO_AEAD | |
156 | select CRYPTO_BLKCIPHER | |
157 | select CRYPTO_MANAGER | |
158 | select CRYPTO_HASH | |
1da177e4 | 159 | help |
584fffc8 SS |
160 | Authenc: Combined mode wrapper for IPsec. |
161 | This is required for IPSec. | |
1da177e4 | 162 | |
584fffc8 SS |
163 | config CRYPTO_TEST |
164 | tristate "Testing module" | |
165 | depends on m | |
da7f033d | 166 | select CRYPTO_MANAGER |
1da177e4 | 167 | help |
584fffc8 | 168 | Quick & dirty crypto test module. |
1da177e4 | 169 | |
584fffc8 | 170 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 171 | |
584fffc8 SS |
172 | config CRYPTO_CCM |
173 | tristate "CCM support" | |
174 | select CRYPTO_CTR | |
175 | select CRYPTO_AEAD | |
1da177e4 | 176 | help |
584fffc8 | 177 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 178 | |
584fffc8 SS |
179 | config CRYPTO_GCM |
180 | tristate "GCM/GMAC support" | |
181 | select CRYPTO_CTR | |
182 | select CRYPTO_AEAD | |
9382d97a | 183 | select CRYPTO_GHASH |
1da177e4 | 184 | help |
584fffc8 SS |
185 | Support for Galois/Counter Mode (GCM) and Galois Message |
186 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 187 | |
584fffc8 SS |
188 | config CRYPTO_SEQIV |
189 | tristate "Sequence Number IV Generator" | |
190 | select CRYPTO_AEAD | |
191 | select CRYPTO_BLKCIPHER | |
a0f000ec | 192 | select CRYPTO_RNG |
1da177e4 | 193 | help |
584fffc8 SS |
194 | This IV generator generates an IV based on a sequence number by |
195 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 196 | |
584fffc8 | 197 | comment "Block modes" |
c494e070 | 198 | |
584fffc8 SS |
199 | config CRYPTO_CBC |
200 | tristate "CBC support" | |
db131ef9 | 201 | select CRYPTO_BLKCIPHER |
43518407 | 202 | select CRYPTO_MANAGER |
db131ef9 | 203 | help |
584fffc8 SS |
204 | CBC: Cipher Block Chaining mode |
205 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 206 | |
584fffc8 SS |
207 | config CRYPTO_CTR |
208 | tristate "CTR support" | |
db131ef9 | 209 | select CRYPTO_BLKCIPHER |
584fffc8 | 210 | select CRYPTO_SEQIV |
43518407 | 211 | select CRYPTO_MANAGER |
db131ef9 | 212 | help |
584fffc8 | 213 | CTR: Counter mode |
db131ef9 HX |
214 | This block cipher algorithm is required for IPSec. |
215 | ||
584fffc8 SS |
216 | config CRYPTO_CTS |
217 | tristate "CTS support" | |
218 | select CRYPTO_BLKCIPHER | |
219 | help | |
220 | CTS: Cipher Text Stealing | |
221 | This is the Cipher Text Stealing mode as described by | |
222 | Section 8 of rfc2040 and referenced by rfc3962. | |
223 | (rfc3962 includes errata information in its Appendix A) | |
224 | This mode is required for Kerberos gss mechanism support | |
225 | for AES encryption. | |
226 | ||
227 | config CRYPTO_ECB | |
228 | tristate "ECB support" | |
91652be5 DH |
229 | select CRYPTO_BLKCIPHER |
230 | select CRYPTO_MANAGER | |
91652be5 | 231 | help |
584fffc8 SS |
232 | ECB: Electronic CodeBook mode |
233 | This is the simplest block cipher algorithm. It simply encrypts | |
234 | the input block by block. | |
91652be5 | 235 | |
64470f1b RS |
236 | config CRYPTO_LRW |
237 | tristate "LRW support (EXPERIMENTAL)" | |
238 | depends on EXPERIMENTAL | |
239 | select CRYPTO_BLKCIPHER | |
240 | select CRYPTO_MANAGER | |
241 | select CRYPTO_GF128MUL | |
242 | help | |
243 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
244 | narrow block cipher mode for dm-crypt. Use it with cipher | |
245 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
246 | The first 128, 192 or 256 bits in the key are used for AES and the | |
247 | rest is used to tie each cipher block to its logical position. | |
248 | ||
584fffc8 SS |
249 | config CRYPTO_PCBC |
250 | tristate "PCBC support" | |
251 | select CRYPTO_BLKCIPHER | |
252 | select CRYPTO_MANAGER | |
253 | help | |
254 | PCBC: Propagating Cipher Block Chaining mode | |
255 | This block cipher algorithm is required for RxRPC. | |
256 | ||
f19f5111 RS |
257 | config CRYPTO_XTS |
258 | tristate "XTS support (EXPERIMENTAL)" | |
259 | depends on EXPERIMENTAL | |
260 | select CRYPTO_BLKCIPHER | |
261 | select CRYPTO_MANAGER | |
262 | select CRYPTO_GF128MUL | |
263 | help | |
264 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
265 | key size 256, 384 or 512 bits. This implementation currently | |
266 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
267 | ||
150c7e85 HY |
268 | config CRYPTO_FPU |
269 | tristate | |
270 | select CRYPTO_BLKCIPHER | |
271 | select CRYPTO_MANAGER | |
272 | ||
584fffc8 SS |
273 | comment "Hash modes" |
274 | ||
275 | config CRYPTO_HMAC | |
276 | tristate "HMAC support" | |
277 | select CRYPTO_HASH | |
23e353c8 | 278 | select CRYPTO_MANAGER |
23e353c8 | 279 | help |
584fffc8 SS |
280 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
281 | This is required for IPSec. | |
23e353c8 | 282 | |
584fffc8 SS |
283 | config CRYPTO_XCBC |
284 | tristate "XCBC support" | |
285 | depends on EXPERIMENTAL | |
286 | select CRYPTO_HASH | |
287 | select CRYPTO_MANAGER | |
76cb9521 | 288 | help |
584fffc8 SS |
289 | XCBC: Keyed-Hashing with encryption algorithm |
290 | http://www.ietf.org/rfc/rfc3566.txt | |
291 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
292 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 293 | |
f1939f7c SW |
294 | config CRYPTO_VMAC |
295 | tristate "VMAC support" | |
296 | depends on EXPERIMENTAL | |
297 | select CRYPTO_HASH | |
298 | select CRYPTO_MANAGER | |
299 | help | |
300 | VMAC is a message authentication algorithm designed for | |
301 | very high speed on 64-bit architectures. | |
302 | ||
303 | See also: | |
304 | <http://fastcrypto.org/vmac> | |
305 | ||
584fffc8 | 306 | comment "Digest" |
28db8e3e | 307 | |
584fffc8 SS |
308 | config CRYPTO_CRC32C |
309 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 310 | select CRYPTO_HASH |
4a49b499 | 311 | help |
584fffc8 SS |
312 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
313 | by iSCSI for header and data digests and by others. | |
69c35efc | 314 | See Castagnoli93. Module will be crc32c. |
4a49b499 | 315 | |
8cb51ba8 AZ |
316 | config CRYPTO_CRC32C_INTEL |
317 | tristate "CRC32c INTEL hardware acceleration" | |
318 | depends on X86 | |
319 | select CRYPTO_HASH | |
320 | help | |
321 | In Intel processor with SSE4.2 supported, the processor will | |
322 | support CRC32C implementation using hardware accelerated CRC32 | |
323 | instruction. This option will create 'crc32c-intel' module, | |
324 | which will enable any routine to use the CRC32 instruction to | |
325 | gain performance compared with software implementation. | |
326 | Module will be crc32c-intel. | |
327 | ||
2cdc6899 HY |
328 | config CRYPTO_GHASH |
329 | tristate "GHASH digest algorithm" | |
330 | select CRYPTO_SHASH | |
331 | select CRYPTO_GF128MUL | |
332 | help | |
333 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
334 | ||
584fffc8 SS |
335 | config CRYPTO_MD4 |
336 | tristate "MD4 digest algorithm" | |
808a1763 | 337 | select CRYPTO_HASH |
124b53d0 | 338 | help |
584fffc8 | 339 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 340 | |
584fffc8 SS |
341 | config CRYPTO_MD5 |
342 | tristate "MD5 digest algorithm" | |
14b75ba7 | 343 | select CRYPTO_HASH |
1da177e4 | 344 | help |
584fffc8 | 345 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 346 | |
584fffc8 SS |
347 | config CRYPTO_MICHAEL_MIC |
348 | tristate "Michael MIC keyed digest algorithm" | |
19e2bf14 | 349 | select CRYPTO_HASH |
90831639 | 350 | help |
584fffc8 SS |
351 | Michael MIC is used for message integrity protection in TKIP |
352 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
353 | should not be used for other purposes because of the weakness | |
354 | of the algorithm. | |
90831639 | 355 | |
82798f90 | 356 | config CRYPTO_RMD128 |
b6d44341 | 357 | tristate "RIPEMD-128 digest algorithm" |
7c4468bc | 358 | select CRYPTO_HASH |
b6d44341 AB |
359 | help |
360 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 361 | |
b6d44341 AB |
362 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
363 | to be used as a secure replacement for RIPEMD. For other use cases | |
364 | RIPEMD-160 should be used. | |
82798f90 | 365 | |
b6d44341 | 366 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 367 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
82798f90 AKR |
368 | |
369 | config CRYPTO_RMD160 | |
b6d44341 | 370 | tristate "RIPEMD-160 digest algorithm" |
e5835fba | 371 | select CRYPTO_HASH |
b6d44341 AB |
372 | help |
373 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 374 | |
b6d44341 AB |
375 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
376 | to be used as a secure replacement for the 128-bit hash functions | |
377 | MD4, MD5 and it's predecessor RIPEMD | |
378 | (not to be confused with RIPEMD-128). | |
82798f90 | 379 | |
b6d44341 AB |
380 | It's speed is comparable to SHA1 and there are no known attacks |
381 | against RIPEMD-160. | |
534fe2c1 | 382 | |
b6d44341 | 383 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 384 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
534fe2c1 AKR |
385 | |
386 | config CRYPTO_RMD256 | |
b6d44341 | 387 | tristate "RIPEMD-256 digest algorithm" |
d8a5e2e9 | 388 | select CRYPTO_HASH |
b6d44341 AB |
389 | help |
390 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
391 | 256 bit hash. It is intended for applications that require | |
392 | longer hash-results, without needing a larger security level | |
393 | (than RIPEMD-128). | |
534fe2c1 | 394 | |
b6d44341 | 395 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 396 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
534fe2c1 AKR |
397 | |
398 | config CRYPTO_RMD320 | |
b6d44341 | 399 | tristate "RIPEMD-320 digest algorithm" |
3b8efb4c | 400 | select CRYPTO_HASH |
b6d44341 AB |
401 | help |
402 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
403 | 320 bit hash. It is intended for applications that require | |
404 | longer hash-results, without needing a larger security level | |
405 | (than RIPEMD-160). | |
534fe2c1 | 406 | |
b6d44341 | 407 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 408 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
82798f90 | 409 | |
584fffc8 SS |
410 | config CRYPTO_SHA1 |
411 | tristate "SHA1 digest algorithm" | |
54ccb367 | 412 | select CRYPTO_HASH |
1da177e4 | 413 | help |
584fffc8 | 414 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 415 | |
584fffc8 SS |
416 | config CRYPTO_SHA256 |
417 | tristate "SHA224 and SHA256 digest algorithm" | |
50e109b5 | 418 | select CRYPTO_HASH |
1da177e4 | 419 | help |
584fffc8 | 420 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 421 | |
584fffc8 SS |
422 | This version of SHA implements a 256 bit hash with 128 bits of |
423 | security against collision attacks. | |
2729bb42 | 424 | |
b6d44341 AB |
425 | This code also includes SHA-224, a 224 bit hash with 112 bits |
426 | of security against collision attacks. | |
584fffc8 SS |
427 | |
428 | config CRYPTO_SHA512 | |
429 | tristate "SHA384 and SHA512 digest algorithms" | |
bd9d20db | 430 | select CRYPTO_HASH |
b9f535ff | 431 | help |
584fffc8 | 432 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 433 | |
584fffc8 SS |
434 | This version of SHA implements a 512 bit hash with 256 bits of |
435 | security against collision attacks. | |
b9f535ff | 436 | |
584fffc8 SS |
437 | This code also includes SHA-384, a 384 bit hash with 192 bits |
438 | of security against collision attacks. | |
b9f535ff | 439 | |
584fffc8 SS |
440 | config CRYPTO_TGR192 |
441 | tristate "Tiger digest algorithms" | |
f63fbd3d | 442 | select CRYPTO_HASH |
eaf44088 | 443 | help |
584fffc8 | 444 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 445 | |
584fffc8 SS |
446 | Tiger is a hash function optimized for 64-bit processors while |
447 | still having decent performance on 32-bit processors. | |
448 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
449 | |
450 | See also: | |
584fffc8 | 451 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 452 | |
584fffc8 SS |
453 | config CRYPTO_WP512 |
454 | tristate "Whirlpool digest algorithms" | |
4946510b | 455 | select CRYPTO_HASH |
1da177e4 | 456 | help |
584fffc8 | 457 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 458 | |
584fffc8 SS |
459 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
460 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
461 | |
462 | See also: | |
6d8de74c | 463 | <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html> |
584fffc8 | 464 | |
0e1227d3 HY |
465 | config CRYPTO_GHASH_CLMUL_NI_INTEL |
466 | tristate "GHASH digest algorithm (CLMUL-NI accelerated)" | |
3e02e5cb | 467 | depends on (X86 || UML_X86) && 64BIT |
0e1227d3 HY |
468 | select CRYPTO_SHASH |
469 | select CRYPTO_CRYPTD | |
470 | help | |
471 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
472 | The implementation is accelerated by CLMUL-NI of Intel. | |
473 | ||
584fffc8 | 474 | comment "Ciphers" |
1da177e4 LT |
475 | |
476 | config CRYPTO_AES | |
477 | tristate "AES cipher algorithms" | |
cce9e06d | 478 | select CRYPTO_ALGAPI |
1da177e4 | 479 | help |
584fffc8 | 480 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
481 | algorithm. |
482 | ||
483 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
484 | both hardware and software across a wide range of computing |
485 | environments regardless of its use in feedback or non-feedback | |
486 | modes. Its key setup time is excellent, and its key agility is | |
487 | good. Rijndael's very low memory requirements make it very well | |
488 | suited for restricted-space environments, in which it also | |
489 | demonstrates excellent performance. Rijndael's operations are | |
490 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 491 | |
584fffc8 | 492 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
493 | |
494 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
495 | ||
496 | config CRYPTO_AES_586 | |
497 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
498 | depends on (X86 || UML_X86) && !64BIT |
499 | select CRYPTO_ALGAPI | |
5157dea8 | 500 | select CRYPTO_AES |
1da177e4 | 501 | help |
584fffc8 | 502 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
503 | algorithm. |
504 | ||
505 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
506 | both hardware and software across a wide range of computing |
507 | environments regardless of its use in feedback or non-feedback | |
508 | modes. Its key setup time is excellent, and its key agility is | |
509 | good. Rijndael's very low memory requirements make it very well | |
510 | suited for restricted-space environments, in which it also | |
511 | demonstrates excellent performance. Rijndael's operations are | |
512 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 513 | |
584fffc8 | 514 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
515 | |
516 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
517 | ||
518 | config CRYPTO_AES_X86_64 | |
519 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
520 | depends on (X86 || UML_X86) && 64BIT |
521 | select CRYPTO_ALGAPI | |
81190b32 | 522 | select CRYPTO_AES |
a2a892a2 | 523 | help |
584fffc8 | 524 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
525 | algorithm. |
526 | ||
527 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
528 | both hardware and software across a wide range of computing |
529 | environments regardless of its use in feedback or non-feedback | |
530 | modes. Its key setup time is excellent, and its key agility is | |
54b6a1bd HY |
531 | good. Rijndael's very low memory requirements make it very well |
532 | suited for restricted-space environments, in which it also | |
533 | demonstrates excellent performance. Rijndael's operations are | |
534 | among the easiest to defend against power and timing attacks. | |
535 | ||
536 | The AES specifies three key sizes: 128, 192 and 256 bits | |
537 | ||
538 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
539 | ||
540 | config CRYPTO_AES_NI_INTEL | |
541 | tristate "AES cipher algorithms (AES-NI)" | |
0d258efb MK |
542 | depends on (X86 || UML_X86) |
543 | select CRYPTO_AES_X86_64 if 64BIT | |
544 | select CRYPTO_AES_586 if !64BIT | |
54b6a1bd HY |
545 | select CRYPTO_CRYPTD |
546 | select CRYPTO_ALGAPI | |
2cf4ac8b | 547 | select CRYPTO_FPU |
54b6a1bd HY |
548 | help |
549 | Use Intel AES-NI instructions for AES algorithm. | |
550 | ||
551 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
552 | algorithm. | |
553 | ||
554 | Rijndael appears to be consistently a very good performer in | |
555 | both hardware and software across a wide range of computing | |
556 | environments regardless of its use in feedback or non-feedback | |
557 | modes. Its key setup time is excellent, and its key agility is | |
584fffc8 SS |
558 | good. Rijndael's very low memory requirements make it very well |
559 | suited for restricted-space environments, in which it also | |
560 | demonstrates excellent performance. Rijndael's operations are | |
561 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 562 | |
584fffc8 | 563 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
564 | |
565 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
566 | ||
0d258efb MK |
567 | In addition to AES cipher algorithm support, the acceleration |
568 | for some popular block cipher mode is supported too, including | |
569 | ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional | |
570 | acceleration for CTR. | |
2cf4ac8b | 571 | |
584fffc8 SS |
572 | config CRYPTO_ANUBIS |
573 | tristate "Anubis cipher algorithm" | |
574 | select CRYPTO_ALGAPI | |
575 | help | |
576 | Anubis cipher algorithm. | |
577 | ||
578 | Anubis is a variable key length cipher which can use keys from | |
579 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
580 | in the NESSIE competition. | |
581 | ||
582 | See also: | |
6d8de74c JM |
583 | <https://www.cosic.esat.kuleuven.be/nessie/reports/> |
584 | <http://www.larc.usp.br/~pbarreto/AnubisPage.html> | |
584fffc8 SS |
585 | |
586 | config CRYPTO_ARC4 | |
587 | tristate "ARC4 cipher algorithm" | |
588 | select CRYPTO_ALGAPI | |
589 | help | |
590 | ARC4 cipher algorithm. | |
591 | ||
592 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
593 | bits in length. This algorithm is required for driver-based | |
594 | WEP, but it should not be for other purposes because of the | |
595 | weakness of the algorithm. | |
596 | ||
597 | config CRYPTO_BLOWFISH | |
598 | tristate "Blowfish cipher algorithm" | |
599 | select CRYPTO_ALGAPI | |
600 | help | |
601 | Blowfish cipher algorithm, by Bruce Schneier. | |
602 | ||
603 | This is a variable key length cipher which can use keys from 32 | |
604 | bits to 448 bits in length. It's fast, simple and specifically | |
605 | designed for use on "large microprocessors". | |
606 | ||
607 | See also: | |
608 | <http://www.schneier.com/blowfish.html> | |
609 | ||
610 | config CRYPTO_CAMELLIA | |
611 | tristate "Camellia cipher algorithms" | |
612 | depends on CRYPTO | |
613 | select CRYPTO_ALGAPI | |
614 | help | |
615 | Camellia cipher algorithms module. | |
616 | ||
617 | Camellia is a symmetric key block cipher developed jointly | |
618 | at NTT and Mitsubishi Electric Corporation. | |
619 | ||
620 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
621 | ||
622 | See also: | |
623 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
624 | ||
1da177e4 LT |
625 | config CRYPTO_CAST5 |
626 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 627 | select CRYPTO_ALGAPI |
1da177e4 LT |
628 | help |
629 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
630 | described in RFC2144. | |
631 | ||
632 | config CRYPTO_CAST6 | |
633 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 634 | select CRYPTO_ALGAPI |
1da177e4 LT |
635 | help |
636 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
637 | described in RFC2612. | |
638 | ||
584fffc8 SS |
639 | config CRYPTO_DES |
640 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 641 | select CRYPTO_ALGAPI |
1da177e4 | 642 | help |
584fffc8 | 643 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 644 | |
584fffc8 SS |
645 | config CRYPTO_FCRYPT |
646 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 647 | select CRYPTO_ALGAPI |
584fffc8 | 648 | select CRYPTO_BLKCIPHER |
1da177e4 | 649 | help |
584fffc8 | 650 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
651 | |
652 | config CRYPTO_KHAZAD | |
653 | tristate "Khazad cipher algorithm" | |
cce9e06d | 654 | select CRYPTO_ALGAPI |
1da177e4 LT |
655 | help |
656 | Khazad cipher algorithm. | |
657 | ||
658 | Khazad was a finalist in the initial NESSIE competition. It is | |
659 | an algorithm optimized for 64-bit processors with good performance | |
660 | on 32-bit processors. Khazad uses an 128 bit key size. | |
661 | ||
662 | See also: | |
6d8de74c | 663 | <http://www.larc.usp.br/~pbarreto/KhazadPage.html> |
1da177e4 | 664 | |
2407d608 TSH |
665 | config CRYPTO_SALSA20 |
666 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
667 | depends on EXPERIMENTAL | |
668 | select CRYPTO_BLKCIPHER | |
669 | help | |
670 | Salsa20 stream cipher algorithm. | |
671 | ||
672 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
673 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
674 | |
675 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
676 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
677 | ||
678 | config CRYPTO_SALSA20_586 | |
679 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
680 | depends on (X86 || UML_X86) && !64BIT | |
681 | depends on EXPERIMENTAL | |
682 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
683 | help |
684 | Salsa20 stream cipher algorithm. | |
685 | ||
686 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
687 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
688 | |
689 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
690 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
691 | ||
692 | config CRYPTO_SALSA20_X86_64 | |
693 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
694 | depends on (X86 || UML_X86) && 64BIT | |
695 | depends on EXPERIMENTAL | |
696 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
697 | help |
698 | Salsa20 stream cipher algorithm. | |
699 | ||
700 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
701 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
702 | |
703 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
704 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 705 | |
584fffc8 SS |
706 | config CRYPTO_SEED |
707 | tristate "SEED cipher algorithm" | |
cce9e06d | 708 | select CRYPTO_ALGAPI |
1da177e4 | 709 | help |
584fffc8 | 710 | SEED cipher algorithm (RFC4269). |
1da177e4 | 711 | |
584fffc8 SS |
712 | SEED is a 128-bit symmetric key block cipher that has been |
713 | developed by KISA (Korea Information Security Agency) as a | |
714 | national standard encryption algorithm of the Republic of Korea. | |
715 | It is a 16 round block cipher with the key size of 128 bit. | |
716 | ||
717 | See also: | |
718 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
719 | ||
720 | config CRYPTO_SERPENT | |
721 | tristate "Serpent cipher algorithm" | |
cce9e06d | 722 | select CRYPTO_ALGAPI |
1da177e4 | 723 | help |
584fffc8 | 724 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 725 | |
584fffc8 SS |
726 | Keys are allowed to be from 0 to 256 bits in length, in steps |
727 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
728 | variant of Serpent for compatibility with old kerneli.org code. | |
729 | ||
730 | See also: | |
731 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
732 | ||
733 | config CRYPTO_TEA | |
734 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 735 | select CRYPTO_ALGAPI |
1da177e4 | 736 | help |
584fffc8 | 737 | TEA cipher algorithm. |
1da177e4 | 738 | |
584fffc8 SS |
739 | Tiny Encryption Algorithm is a simple cipher that uses |
740 | many rounds for security. It is very fast and uses | |
741 | little memory. | |
742 | ||
743 | Xtendend Tiny Encryption Algorithm is a modification to | |
744 | the TEA algorithm to address a potential key weakness | |
745 | in the TEA algorithm. | |
746 | ||
747 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
748 | of the XTEA algorithm for compatibility purposes. | |
749 | ||
750 | config CRYPTO_TWOFISH | |
751 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 752 | select CRYPTO_ALGAPI |
584fffc8 | 753 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 754 | help |
584fffc8 | 755 | Twofish cipher algorithm. |
04ac7db3 | 756 | |
584fffc8 SS |
757 | Twofish was submitted as an AES (Advanced Encryption Standard) |
758 | candidate cipher by researchers at CounterPane Systems. It is a | |
759 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
760 | bits. | |
04ac7db3 | 761 | |
584fffc8 SS |
762 | See also: |
763 | <http://www.schneier.com/twofish.html> | |
764 | ||
765 | config CRYPTO_TWOFISH_COMMON | |
766 | tristate | |
767 | help | |
768 | Common parts of the Twofish cipher algorithm shared by the | |
769 | generic c and the assembler implementations. | |
770 | ||
771 | config CRYPTO_TWOFISH_586 | |
772 | tristate "Twofish cipher algorithms (i586)" | |
773 | depends on (X86 || UML_X86) && !64BIT | |
774 | select CRYPTO_ALGAPI | |
775 | select CRYPTO_TWOFISH_COMMON | |
776 | help | |
777 | Twofish cipher algorithm. | |
778 | ||
779 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
780 | candidate cipher by researchers at CounterPane Systems. It is a | |
781 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
782 | bits. | |
04ac7db3 NT |
783 | |
784 | See also: | |
584fffc8 | 785 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 786 | |
584fffc8 SS |
787 | config CRYPTO_TWOFISH_X86_64 |
788 | tristate "Twofish cipher algorithm (x86_64)" | |
789 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 790 | select CRYPTO_ALGAPI |
584fffc8 | 791 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 792 | help |
584fffc8 | 793 | Twofish cipher algorithm (x86_64). |
1da177e4 | 794 | |
584fffc8 SS |
795 | Twofish was submitted as an AES (Advanced Encryption Standard) |
796 | candidate cipher by researchers at CounterPane Systems. It is a | |
797 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
798 | bits. | |
799 | ||
800 | See also: | |
801 | <http://www.schneier.com/twofish.html> | |
802 | ||
803 | comment "Compression" | |
804 | ||
805 | config CRYPTO_DEFLATE | |
806 | tristate "Deflate compression algorithm" | |
807 | select CRYPTO_ALGAPI | |
808 | select ZLIB_INFLATE | |
809 | select ZLIB_DEFLATE | |
3c09f17c | 810 | help |
584fffc8 SS |
811 | This is the Deflate algorithm (RFC1951), specified for use in |
812 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
813 | ||
814 | You will most probably want this if using IPSec. | |
3c09f17c | 815 | |
bf68e65e GU |
816 | config CRYPTO_ZLIB |
817 | tristate "Zlib compression algorithm" | |
818 | select CRYPTO_PCOMP | |
819 | select ZLIB_INFLATE | |
820 | select ZLIB_DEFLATE | |
821 | select NLATTR | |
822 | help | |
823 | This is the zlib algorithm. | |
824 | ||
0b77abb3 ZS |
825 | config CRYPTO_LZO |
826 | tristate "LZO compression algorithm" | |
827 | select CRYPTO_ALGAPI | |
828 | select LZO_COMPRESS | |
829 | select LZO_DECOMPRESS | |
830 | help | |
831 | This is the LZO algorithm. | |
832 | ||
17f0f4a4 NH |
833 | comment "Random Number Generation" |
834 | ||
835 | config CRYPTO_ANSI_CPRNG | |
836 | tristate "Pseudo Random Number Generation for Cryptographic modules" | |
4e4ed83b | 837 | default m |
17f0f4a4 NH |
838 | select CRYPTO_AES |
839 | select CRYPTO_RNG | |
17f0f4a4 NH |
840 | help |
841 | This option enables the generic pseudo random number generator | |
842 | for cryptographic modules. Uses the Algorithm specified in | |
7dd607e8 JK |
843 | ANSI X9.31 A.2.4. Note that this option must be enabled if |
844 | CRYPTO_FIPS is selected | |
17f0f4a4 | 845 | |
03c8efc1 HX |
846 | config CRYPTO_USER_API |
847 | tristate | |
848 | ||
fe869cdb HX |
849 | config CRYPTO_USER_API_HASH |
850 | tristate "User-space interface for hash algorithms" | |
851 | select CRYPTO_HASH | |
852 | select CRYPTO_USER_API | |
853 | help | |
854 | This option enables the user-spaces interface for hash | |
855 | algorithms. | |
856 | ||
8ff59090 HX |
857 | config CRYPTO_USER_API_SKCIPHER |
858 | tristate "User-space interface for symmetric key cipher algorithms" | |
859 | select CRYPTO_BLKCIPHER | |
860 | select CRYPTO_USER_API | |
861 | help | |
862 | This option enables the user-spaces interface for symmetric | |
863 | key cipher algorithms. | |
864 | ||
1da177e4 | 865 | source "drivers/crypto/Kconfig" |
1da177e4 | 866 | |
cce9e06d | 867 | endif # if CRYPTO |