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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 | |
a38f7907 SK |
103 | config CRYPTO_USER |
104 | tristate "Userspace cryptographic algorithm configuration" | |
5db017aa | 105 | depends on NET |
a38f7907 SK |
106 | select CRYPTO_MANAGER |
107 | help | |
d19978f5 | 108 | Userspace configuration for cryptographic instantiations such as |
a38f7907 SK |
109 | cbc(aes). |
110 | ||
326a6346 HX |
111 | config CRYPTO_MANAGER_DISABLE_TESTS |
112 | bool "Disable run-time self tests" | |
00ca28a5 HX |
113 | default y |
114 | depends on CRYPTO_MANAGER2 | |
0b767f96 | 115 | help |
326a6346 HX |
116 | Disable run-time self tests that normally take place at |
117 | algorithm registration. | |
0b767f96 | 118 | |
584fffc8 SS |
119 | config CRYPTO_GF128MUL |
120 | tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" | |
333b0d7e | 121 | help |
584fffc8 SS |
122 | Efficient table driven implementation of multiplications in the |
123 | field GF(2^128). This is needed by some cypher modes. This | |
124 | option will be selected automatically if you select such a | |
125 | cipher mode. Only select this option by hand if you expect to load | |
126 | an external module that requires these functions. | |
333b0d7e | 127 | |
1da177e4 LT |
128 | config CRYPTO_NULL |
129 | tristate "Null algorithms" | |
cce9e06d | 130 | select CRYPTO_ALGAPI |
c8620c25 | 131 | select CRYPTO_BLKCIPHER |
d35d2454 | 132 | select CRYPTO_HASH |
1da177e4 LT |
133 | help |
134 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
135 | ||
5068c7a8 SK |
136 | config CRYPTO_PCRYPT |
137 | tristate "Parallel crypto engine (EXPERIMENTAL)" | |
138 | depends on SMP && EXPERIMENTAL | |
139 | select PADATA | |
140 | select CRYPTO_MANAGER | |
141 | select CRYPTO_AEAD | |
142 | help | |
143 | This converts an arbitrary crypto algorithm into a parallel | |
144 | algorithm that executes in kernel threads. | |
145 | ||
25c38d3f HY |
146 | config CRYPTO_WORKQUEUE |
147 | tristate | |
148 | ||
584fffc8 SS |
149 | config CRYPTO_CRYPTD |
150 | tristate "Software async crypto daemon" | |
151 | select CRYPTO_BLKCIPHER | |
b8a28251 | 152 | select CRYPTO_HASH |
584fffc8 | 153 | select CRYPTO_MANAGER |
254eff77 | 154 | select CRYPTO_WORKQUEUE |
1da177e4 | 155 | help |
584fffc8 SS |
156 | This is a generic software asynchronous crypto daemon that |
157 | converts an arbitrary synchronous software crypto algorithm | |
158 | into an asynchronous algorithm that executes in a kernel thread. | |
1da177e4 | 159 | |
584fffc8 SS |
160 | config CRYPTO_AUTHENC |
161 | tristate "Authenc support" | |
162 | select CRYPTO_AEAD | |
163 | select CRYPTO_BLKCIPHER | |
164 | select CRYPTO_MANAGER | |
165 | select CRYPTO_HASH | |
1da177e4 | 166 | help |
584fffc8 SS |
167 | Authenc: Combined mode wrapper for IPsec. |
168 | This is required for IPSec. | |
1da177e4 | 169 | |
584fffc8 SS |
170 | config CRYPTO_TEST |
171 | tristate "Testing module" | |
172 | depends on m | |
da7f033d | 173 | select CRYPTO_MANAGER |
1da177e4 | 174 | help |
584fffc8 | 175 | Quick & dirty crypto test module. |
1da177e4 | 176 | |
584fffc8 | 177 | comment "Authenticated Encryption with Associated Data" |
cd12fb90 | 178 | |
584fffc8 SS |
179 | config CRYPTO_CCM |
180 | tristate "CCM support" | |
181 | select CRYPTO_CTR | |
182 | select CRYPTO_AEAD | |
1da177e4 | 183 | help |
584fffc8 | 184 | Support for Counter with CBC MAC. Required for IPsec. |
1da177e4 | 185 | |
584fffc8 SS |
186 | config CRYPTO_GCM |
187 | tristate "GCM/GMAC support" | |
188 | select CRYPTO_CTR | |
189 | select CRYPTO_AEAD | |
9382d97a | 190 | select CRYPTO_GHASH |
1da177e4 | 191 | help |
584fffc8 SS |
192 | Support for Galois/Counter Mode (GCM) and Galois Message |
193 | Authentication Code (GMAC). Required for IPSec. | |
1da177e4 | 194 | |
584fffc8 SS |
195 | config CRYPTO_SEQIV |
196 | tristate "Sequence Number IV Generator" | |
197 | select CRYPTO_AEAD | |
198 | select CRYPTO_BLKCIPHER | |
a0f000ec | 199 | select CRYPTO_RNG |
1da177e4 | 200 | help |
584fffc8 SS |
201 | This IV generator generates an IV based on a sequence number by |
202 | xoring it with a salt. This algorithm is mainly useful for CTR | |
1da177e4 | 203 | |
584fffc8 | 204 | comment "Block modes" |
c494e070 | 205 | |
584fffc8 SS |
206 | config CRYPTO_CBC |
207 | tristate "CBC support" | |
db131ef9 | 208 | select CRYPTO_BLKCIPHER |
43518407 | 209 | select CRYPTO_MANAGER |
db131ef9 | 210 | help |
584fffc8 SS |
211 | CBC: Cipher Block Chaining mode |
212 | This block cipher algorithm is required for IPSec. | |
db131ef9 | 213 | |
584fffc8 SS |
214 | config CRYPTO_CTR |
215 | tristate "CTR support" | |
db131ef9 | 216 | select CRYPTO_BLKCIPHER |
584fffc8 | 217 | select CRYPTO_SEQIV |
43518407 | 218 | select CRYPTO_MANAGER |
db131ef9 | 219 | help |
584fffc8 | 220 | CTR: Counter mode |
db131ef9 HX |
221 | This block cipher algorithm is required for IPSec. |
222 | ||
584fffc8 SS |
223 | config CRYPTO_CTS |
224 | tristate "CTS support" | |
225 | select CRYPTO_BLKCIPHER | |
226 | help | |
227 | CTS: Cipher Text Stealing | |
228 | This is the Cipher Text Stealing mode as described by | |
229 | Section 8 of rfc2040 and referenced by rfc3962. | |
230 | (rfc3962 includes errata information in its Appendix A) | |
231 | This mode is required for Kerberos gss mechanism support | |
232 | for AES encryption. | |
233 | ||
234 | config CRYPTO_ECB | |
235 | tristate "ECB support" | |
91652be5 DH |
236 | select CRYPTO_BLKCIPHER |
237 | select CRYPTO_MANAGER | |
91652be5 | 238 | help |
584fffc8 SS |
239 | ECB: Electronic CodeBook mode |
240 | This is the simplest block cipher algorithm. It simply encrypts | |
241 | the input block by block. | |
91652be5 | 242 | |
64470f1b | 243 | config CRYPTO_LRW |
2470a2b2 | 244 | tristate "LRW support" |
64470f1b RS |
245 | select CRYPTO_BLKCIPHER |
246 | select CRYPTO_MANAGER | |
247 | select CRYPTO_GF128MUL | |
248 | help | |
249 | LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable | |
250 | narrow block cipher mode for dm-crypt. Use it with cipher | |
251 | specification string aes-lrw-benbi, the key must be 256, 320 or 384. | |
252 | The first 128, 192 or 256 bits in the key are used for AES and the | |
253 | rest is used to tie each cipher block to its logical position. | |
254 | ||
584fffc8 SS |
255 | config CRYPTO_PCBC |
256 | tristate "PCBC support" | |
257 | select CRYPTO_BLKCIPHER | |
258 | select CRYPTO_MANAGER | |
259 | help | |
260 | PCBC: Propagating Cipher Block Chaining mode | |
261 | This block cipher algorithm is required for RxRPC. | |
262 | ||
f19f5111 RS |
263 | config CRYPTO_XTS |
264 | tristate "XTS support (EXPERIMENTAL)" | |
265 | depends on EXPERIMENTAL | |
266 | select CRYPTO_BLKCIPHER | |
267 | select CRYPTO_MANAGER | |
268 | select CRYPTO_GF128MUL | |
269 | help | |
270 | XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, | |
271 | key size 256, 384 or 512 bits. This implementation currently | |
272 | can't handle a sectorsize which is not a multiple of 16 bytes. | |
273 | ||
584fffc8 SS |
274 | comment "Hash modes" |
275 | ||
276 | config CRYPTO_HMAC | |
277 | tristate "HMAC support" | |
278 | select CRYPTO_HASH | |
23e353c8 | 279 | select CRYPTO_MANAGER |
23e353c8 | 280 | help |
584fffc8 SS |
281 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
282 | This is required for IPSec. | |
23e353c8 | 283 | |
584fffc8 SS |
284 | config CRYPTO_XCBC |
285 | tristate "XCBC support" | |
286 | depends on EXPERIMENTAL | |
287 | select CRYPTO_HASH | |
288 | select CRYPTO_MANAGER | |
76cb9521 | 289 | help |
584fffc8 SS |
290 | XCBC: Keyed-Hashing with encryption algorithm |
291 | http://www.ietf.org/rfc/rfc3566.txt | |
292 | http://csrc.nist.gov/encryption/modes/proposedmodes/ | |
293 | xcbc-mac/xcbc-mac-spec.pdf | |
76cb9521 | 294 | |
f1939f7c SW |
295 | config CRYPTO_VMAC |
296 | tristate "VMAC support" | |
297 | depends on EXPERIMENTAL | |
298 | select CRYPTO_HASH | |
299 | select CRYPTO_MANAGER | |
300 | help | |
301 | VMAC is a message authentication algorithm designed for | |
302 | very high speed on 64-bit architectures. | |
303 | ||
304 | See also: | |
305 | <http://fastcrypto.org/vmac> | |
306 | ||
584fffc8 | 307 | comment "Digest" |
28db8e3e | 308 | |
584fffc8 SS |
309 | config CRYPTO_CRC32C |
310 | tristate "CRC32c CRC algorithm" | |
5773a3e6 | 311 | select CRYPTO_HASH |
4a49b499 | 312 | help |
584fffc8 SS |
313 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
314 | by iSCSI for header and data digests and by others. | |
69c35efc | 315 | See Castagnoli93. Module will be crc32c. |
4a49b499 | 316 | |
8cb51ba8 AZ |
317 | config CRYPTO_CRC32C_INTEL |
318 | tristate "CRC32c INTEL hardware acceleration" | |
319 | depends on X86 | |
320 | select CRYPTO_HASH | |
321 | help | |
322 | In Intel processor with SSE4.2 supported, the processor will | |
323 | support CRC32C implementation using hardware accelerated CRC32 | |
324 | instruction. This option will create 'crc32c-intel' module, | |
325 | which will enable any routine to use the CRC32 instruction to | |
326 | gain performance compared with software implementation. | |
327 | Module will be crc32c-intel. | |
328 | ||
2cdc6899 HY |
329 | config CRYPTO_GHASH |
330 | tristate "GHASH digest algorithm" | |
331 | select CRYPTO_SHASH | |
332 | select CRYPTO_GF128MUL | |
333 | help | |
334 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
335 | ||
584fffc8 SS |
336 | config CRYPTO_MD4 |
337 | tristate "MD4 digest algorithm" | |
808a1763 | 338 | select CRYPTO_HASH |
124b53d0 | 339 | help |
584fffc8 | 340 | MD4 message digest algorithm (RFC1320). |
124b53d0 | 341 | |
584fffc8 SS |
342 | config CRYPTO_MD5 |
343 | tristate "MD5 digest algorithm" | |
14b75ba7 | 344 | select CRYPTO_HASH |
1da177e4 | 345 | help |
584fffc8 | 346 | MD5 message digest algorithm (RFC1321). |
1da177e4 | 347 | |
584fffc8 SS |
348 | config CRYPTO_MICHAEL_MIC |
349 | tristate "Michael MIC keyed digest algorithm" | |
19e2bf14 | 350 | select CRYPTO_HASH |
90831639 | 351 | help |
584fffc8 SS |
352 | Michael MIC is used for message integrity protection in TKIP |
353 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
354 | should not be used for other purposes because of the weakness | |
355 | of the algorithm. | |
90831639 | 356 | |
82798f90 | 357 | config CRYPTO_RMD128 |
b6d44341 | 358 | tristate "RIPEMD-128 digest algorithm" |
7c4468bc | 359 | select CRYPTO_HASH |
b6d44341 AB |
360 | help |
361 | RIPEMD-128 (ISO/IEC 10118-3:2004). | |
82798f90 | 362 | |
b6d44341 | 363 | RIPEMD-128 is a 128-bit cryptographic hash function. It should only |
35ed4b35 | 364 | be used as a secure replacement for RIPEMD. For other use cases, |
b6d44341 | 365 | RIPEMD-160 should be used. |
82798f90 | 366 | |
b6d44341 | 367 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 368 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
82798f90 AKR |
369 | |
370 | config CRYPTO_RMD160 | |
b6d44341 | 371 | tristate "RIPEMD-160 digest algorithm" |
e5835fba | 372 | select CRYPTO_HASH |
b6d44341 AB |
373 | help |
374 | RIPEMD-160 (ISO/IEC 10118-3:2004). | |
82798f90 | 375 | |
b6d44341 AB |
376 | RIPEMD-160 is a 160-bit cryptographic hash function. It is intended |
377 | to be used as a secure replacement for the 128-bit hash functions | |
378 | MD4, MD5 and it's predecessor RIPEMD | |
379 | (not to be confused with RIPEMD-128). | |
82798f90 | 380 | |
b6d44341 AB |
381 | It's speed is comparable to SHA1 and there are no known attacks |
382 | against RIPEMD-160. | |
534fe2c1 | 383 | |
b6d44341 | 384 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 385 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
534fe2c1 AKR |
386 | |
387 | config CRYPTO_RMD256 | |
b6d44341 | 388 | tristate "RIPEMD-256 digest algorithm" |
d8a5e2e9 | 389 | select CRYPTO_HASH |
b6d44341 AB |
390 | help |
391 | RIPEMD-256 is an optional extension of RIPEMD-128 with a | |
392 | 256 bit hash. It is intended for applications that require | |
393 | longer hash-results, without needing a larger security level | |
394 | (than RIPEMD-128). | |
534fe2c1 | 395 | |
b6d44341 | 396 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 397 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
534fe2c1 AKR |
398 | |
399 | config CRYPTO_RMD320 | |
b6d44341 | 400 | tristate "RIPEMD-320 digest algorithm" |
3b8efb4c | 401 | select CRYPTO_HASH |
b6d44341 AB |
402 | help |
403 | RIPEMD-320 is an optional extension of RIPEMD-160 with a | |
404 | 320 bit hash. It is intended for applications that require | |
405 | longer hash-results, without needing a larger security level | |
406 | (than RIPEMD-160). | |
534fe2c1 | 407 | |
b6d44341 | 408 | Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. |
6d8de74c | 409 | See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> |
82798f90 | 410 | |
584fffc8 SS |
411 | config CRYPTO_SHA1 |
412 | tristate "SHA1 digest algorithm" | |
54ccb367 | 413 | select CRYPTO_HASH |
1da177e4 | 414 | help |
584fffc8 | 415 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
1da177e4 | 416 | |
66be8951 MK |
417 | config CRYPTO_SHA1_SSSE3 |
418 | tristate "SHA1 digest algorithm (SSSE3/AVX)" | |
419 | depends on X86 && 64BIT | |
420 | select CRYPTO_SHA1 | |
421 | select CRYPTO_HASH | |
422 | help | |
423 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented | |
424 | using Supplemental SSE3 (SSSE3) instructions or Advanced Vector | |
425 | Extensions (AVX), when available. | |
426 | ||
584fffc8 SS |
427 | config CRYPTO_SHA256 |
428 | tristate "SHA224 and SHA256 digest algorithm" | |
50e109b5 | 429 | select CRYPTO_HASH |
1da177e4 | 430 | help |
584fffc8 | 431 | SHA256 secure hash standard (DFIPS 180-2). |
1da177e4 | 432 | |
584fffc8 SS |
433 | This version of SHA implements a 256 bit hash with 128 bits of |
434 | security against collision attacks. | |
2729bb42 | 435 | |
b6d44341 AB |
436 | This code also includes SHA-224, a 224 bit hash with 112 bits |
437 | of security against collision attacks. | |
584fffc8 SS |
438 | |
439 | config CRYPTO_SHA512 | |
440 | tristate "SHA384 and SHA512 digest algorithms" | |
bd9d20db | 441 | select CRYPTO_HASH |
b9f535ff | 442 | help |
584fffc8 | 443 | SHA512 secure hash standard (DFIPS 180-2). |
b9f535ff | 444 | |
584fffc8 SS |
445 | This version of SHA implements a 512 bit hash with 256 bits of |
446 | security against collision attacks. | |
b9f535ff | 447 | |
584fffc8 SS |
448 | This code also includes SHA-384, a 384 bit hash with 192 bits |
449 | of security against collision attacks. | |
b9f535ff | 450 | |
584fffc8 SS |
451 | config CRYPTO_TGR192 |
452 | tristate "Tiger digest algorithms" | |
f63fbd3d | 453 | select CRYPTO_HASH |
eaf44088 | 454 | help |
584fffc8 | 455 | Tiger hash algorithm 192, 160 and 128-bit hashes |
eaf44088 | 456 | |
584fffc8 SS |
457 | Tiger is a hash function optimized for 64-bit processors while |
458 | still having decent performance on 32-bit processors. | |
459 | Tiger was developed by Ross Anderson and Eli Biham. | |
eaf44088 JF |
460 | |
461 | See also: | |
584fffc8 | 462 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
eaf44088 | 463 | |
584fffc8 SS |
464 | config CRYPTO_WP512 |
465 | tristate "Whirlpool digest algorithms" | |
4946510b | 466 | select CRYPTO_HASH |
1da177e4 | 467 | help |
584fffc8 | 468 | Whirlpool hash algorithm 512, 384 and 256-bit hashes |
1da177e4 | 469 | |
584fffc8 SS |
470 | Whirlpool-512 is part of the NESSIE cryptographic primitives. |
471 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
1da177e4 LT |
472 | |
473 | See also: | |
6d8de74c | 474 | <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html> |
584fffc8 | 475 | |
0e1227d3 HY |
476 | config CRYPTO_GHASH_CLMUL_NI_INTEL |
477 | tristate "GHASH digest algorithm (CLMUL-NI accelerated)" | |
8af00860 | 478 | depends on X86 && 64BIT |
0e1227d3 HY |
479 | select CRYPTO_SHASH |
480 | select CRYPTO_CRYPTD | |
481 | help | |
482 | GHASH is message digest algorithm for GCM (Galois/Counter Mode). | |
483 | The implementation is accelerated by CLMUL-NI of Intel. | |
484 | ||
584fffc8 | 485 | comment "Ciphers" |
1da177e4 LT |
486 | |
487 | config CRYPTO_AES | |
488 | tristate "AES cipher algorithms" | |
cce9e06d | 489 | select CRYPTO_ALGAPI |
1da177e4 | 490 | help |
584fffc8 | 491 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
492 | algorithm. |
493 | ||
494 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
495 | both hardware and software across a wide range of computing |
496 | environments regardless of its use in feedback or non-feedback | |
497 | modes. Its key setup time is excellent, and its key agility is | |
498 | good. Rijndael's very low memory requirements make it very well | |
499 | suited for restricted-space environments, in which it also | |
500 | demonstrates excellent performance. Rijndael's operations are | |
501 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 502 | |
584fffc8 | 503 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
504 | |
505 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
506 | ||
507 | config CRYPTO_AES_586 | |
508 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
509 | depends on (X86 || UML_X86) && !64BIT |
510 | select CRYPTO_ALGAPI | |
5157dea8 | 511 | select CRYPTO_AES |
1da177e4 | 512 | help |
584fffc8 | 513 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
1da177e4 LT |
514 | algorithm. |
515 | ||
516 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
517 | both hardware and software across a wide range of computing |
518 | environments regardless of its use in feedback or non-feedback | |
519 | modes. Its key setup time is excellent, and its key agility is | |
520 | good. Rijndael's very low memory requirements make it very well | |
521 | suited for restricted-space environments, in which it also | |
522 | demonstrates excellent performance. Rijndael's operations are | |
523 | among the easiest to defend against power and timing attacks. | |
1da177e4 | 524 | |
584fffc8 | 525 | The AES specifies three key sizes: 128, 192 and 256 bits |
a2a892a2 AS |
526 | |
527 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
528 | ||
529 | config CRYPTO_AES_X86_64 | |
530 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
531 | depends on (X86 || UML_X86) && 64BIT |
532 | select CRYPTO_ALGAPI | |
81190b32 | 533 | select CRYPTO_AES |
a2a892a2 | 534 | help |
584fffc8 | 535 | AES cipher algorithms (FIPS-197). AES uses the Rijndael |
a2a892a2 AS |
536 | algorithm. |
537 | ||
538 | Rijndael appears to be consistently a very good performer in | |
584fffc8 SS |
539 | both hardware and software across a wide range of computing |
540 | environments regardless of its use in feedback or non-feedback | |
541 | modes. Its key setup time is excellent, and its key agility is | |
54b6a1bd HY |
542 | good. Rijndael's very low memory requirements make it very well |
543 | suited for restricted-space environments, in which it also | |
544 | demonstrates excellent performance. Rijndael's operations are | |
545 | among the easiest to defend against power and timing attacks. | |
546 | ||
547 | The AES specifies three key sizes: 128, 192 and 256 bits | |
548 | ||
549 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
550 | ||
551 | config CRYPTO_AES_NI_INTEL | |
552 | tristate "AES cipher algorithms (AES-NI)" | |
8af00860 | 553 | depends on X86 |
0d258efb MK |
554 | select CRYPTO_AES_X86_64 if 64BIT |
555 | select CRYPTO_AES_586 if !64BIT | |
54b6a1bd HY |
556 | select CRYPTO_CRYPTD |
557 | select CRYPTO_ALGAPI | |
558 | help | |
559 | Use Intel AES-NI instructions for AES algorithm. | |
560 | ||
561 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
562 | algorithm. | |
563 | ||
564 | Rijndael appears to be consistently a very good performer in | |
565 | both hardware and software across a wide range of computing | |
566 | environments regardless of its use in feedback or non-feedback | |
567 | modes. Its key setup time is excellent, and its key agility is | |
584fffc8 SS |
568 | good. Rijndael's very low memory requirements make it very well |
569 | suited for restricted-space environments, in which it also | |
570 | demonstrates excellent performance. Rijndael's operations are | |
571 | among the easiest to defend against power and timing attacks. | |
a2a892a2 | 572 | |
584fffc8 | 573 | The AES specifies three key sizes: 128, 192 and 256 bits |
1da177e4 LT |
574 | |
575 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
576 | ||
0d258efb MK |
577 | In addition to AES cipher algorithm support, the acceleration |
578 | for some popular block cipher mode is supported too, including | |
579 | ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional | |
580 | acceleration for CTR. | |
2cf4ac8b | 581 | |
584fffc8 SS |
582 | config CRYPTO_ANUBIS |
583 | tristate "Anubis cipher algorithm" | |
584 | select CRYPTO_ALGAPI | |
585 | help | |
586 | Anubis cipher algorithm. | |
587 | ||
588 | Anubis is a variable key length cipher which can use keys from | |
589 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
590 | in the NESSIE competition. | |
591 | ||
592 | See also: | |
6d8de74c JM |
593 | <https://www.cosic.esat.kuleuven.be/nessie/reports/> |
594 | <http://www.larc.usp.br/~pbarreto/AnubisPage.html> | |
584fffc8 SS |
595 | |
596 | config CRYPTO_ARC4 | |
597 | tristate "ARC4 cipher algorithm" | |
598 | select CRYPTO_ALGAPI | |
599 | help | |
600 | ARC4 cipher algorithm. | |
601 | ||
602 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
603 | bits in length. This algorithm is required for driver-based | |
604 | WEP, but it should not be for other purposes because of the | |
605 | weakness of the algorithm. | |
606 | ||
607 | config CRYPTO_BLOWFISH | |
608 | tristate "Blowfish cipher algorithm" | |
609 | select CRYPTO_ALGAPI | |
52ba867c | 610 | select CRYPTO_BLOWFISH_COMMON |
584fffc8 SS |
611 | help |
612 | Blowfish cipher algorithm, by Bruce Schneier. | |
613 | ||
614 | This is a variable key length cipher which can use keys from 32 | |
615 | bits to 448 bits in length. It's fast, simple and specifically | |
616 | designed for use on "large microprocessors". | |
617 | ||
618 | See also: | |
619 | <http://www.schneier.com/blowfish.html> | |
620 | ||
52ba867c JK |
621 | config CRYPTO_BLOWFISH_COMMON |
622 | tristate | |
623 | help | |
624 | Common parts of the Blowfish cipher algorithm shared by the | |
625 | generic c and the assembler implementations. | |
626 | ||
627 | See also: | |
628 | <http://www.schneier.com/blowfish.html> | |
629 | ||
64b94cea JK |
630 | config CRYPTO_BLOWFISH_X86_64 |
631 | tristate "Blowfish cipher algorithm (x86_64)" | |
632 | depends on (X86 || UML_X86) && 64BIT | |
633 | select CRYPTO_ALGAPI | |
634 | select CRYPTO_BLOWFISH_COMMON | |
635 | help | |
636 | Blowfish cipher algorithm (x86_64), by Bruce Schneier. | |
637 | ||
638 | This is a variable key length cipher which can use keys from 32 | |
639 | bits to 448 bits in length. It's fast, simple and specifically | |
640 | designed for use on "large microprocessors". | |
641 | ||
642 | See also: | |
643 | <http://www.schneier.com/blowfish.html> | |
644 | ||
584fffc8 SS |
645 | config CRYPTO_CAMELLIA |
646 | tristate "Camellia cipher algorithms" | |
647 | depends on CRYPTO | |
648 | select CRYPTO_ALGAPI | |
649 | help | |
650 | Camellia cipher algorithms module. | |
651 | ||
652 | Camellia is a symmetric key block cipher developed jointly | |
653 | at NTT and Mitsubishi Electric Corporation. | |
654 | ||
655 | The Camellia specifies three key sizes: 128, 192 and 256 bits. | |
656 | ||
657 | See also: | |
658 | <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> | |
659 | ||
1da177e4 LT |
660 | config CRYPTO_CAST5 |
661 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 662 | select CRYPTO_ALGAPI |
1da177e4 LT |
663 | help |
664 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
665 | described in RFC2144. | |
666 | ||
667 | config CRYPTO_CAST6 | |
668 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 669 | select CRYPTO_ALGAPI |
1da177e4 LT |
670 | help |
671 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
672 | described in RFC2612. | |
673 | ||
584fffc8 SS |
674 | config CRYPTO_DES |
675 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 676 | select CRYPTO_ALGAPI |
1da177e4 | 677 | help |
584fffc8 | 678 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed | 679 | |
584fffc8 SS |
680 | config CRYPTO_FCRYPT |
681 | tristate "FCrypt cipher algorithm" | |
cce9e06d | 682 | select CRYPTO_ALGAPI |
584fffc8 | 683 | select CRYPTO_BLKCIPHER |
1da177e4 | 684 | help |
584fffc8 | 685 | FCrypt algorithm used by RxRPC. |
1da177e4 LT |
686 | |
687 | config CRYPTO_KHAZAD | |
688 | tristate "Khazad cipher algorithm" | |
cce9e06d | 689 | select CRYPTO_ALGAPI |
1da177e4 LT |
690 | help |
691 | Khazad cipher algorithm. | |
692 | ||
693 | Khazad was a finalist in the initial NESSIE competition. It is | |
694 | an algorithm optimized for 64-bit processors with good performance | |
695 | on 32-bit processors. Khazad uses an 128 bit key size. | |
696 | ||
697 | See also: | |
6d8de74c | 698 | <http://www.larc.usp.br/~pbarreto/KhazadPage.html> |
1da177e4 | 699 | |
2407d608 TSH |
700 | config CRYPTO_SALSA20 |
701 | tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" | |
702 | depends on EXPERIMENTAL | |
703 | select CRYPTO_BLKCIPHER | |
704 | help | |
705 | Salsa20 stream cipher algorithm. | |
706 | ||
707 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
708 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
974e4b75 TSH |
709 | |
710 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
711 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
712 | ||
713 | config CRYPTO_SALSA20_586 | |
714 | tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" | |
715 | depends on (X86 || UML_X86) && !64BIT | |
716 | depends on EXPERIMENTAL | |
717 | select CRYPTO_BLKCIPHER | |
974e4b75 TSH |
718 | help |
719 | Salsa20 stream cipher algorithm. | |
720 | ||
721 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
722 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
9a7dafbb TSH |
723 | |
724 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
725 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
726 | ||
727 | config CRYPTO_SALSA20_X86_64 | |
728 | tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" | |
729 | depends on (X86 || UML_X86) && 64BIT | |
730 | depends on EXPERIMENTAL | |
731 | select CRYPTO_BLKCIPHER | |
9a7dafbb TSH |
732 | help |
733 | Salsa20 stream cipher algorithm. | |
734 | ||
735 | Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT | |
736 | Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> | |
2407d608 TSH |
737 | |
738 | The Salsa20 stream cipher algorithm is designed by Daniel J. | |
739 | Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> | |
1da177e4 | 740 | |
584fffc8 SS |
741 | config CRYPTO_SEED |
742 | tristate "SEED cipher algorithm" | |
cce9e06d | 743 | select CRYPTO_ALGAPI |
1da177e4 | 744 | help |
584fffc8 | 745 | SEED cipher algorithm (RFC4269). |
1da177e4 | 746 | |
584fffc8 SS |
747 | SEED is a 128-bit symmetric key block cipher that has been |
748 | developed by KISA (Korea Information Security Agency) as a | |
749 | national standard encryption algorithm of the Republic of Korea. | |
750 | It is a 16 round block cipher with the key size of 128 bit. | |
751 | ||
752 | See also: | |
753 | <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> | |
754 | ||
755 | config CRYPTO_SERPENT | |
756 | tristate "Serpent cipher algorithm" | |
cce9e06d | 757 | select CRYPTO_ALGAPI |
1da177e4 | 758 | help |
584fffc8 | 759 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4 | 760 | |
584fffc8 SS |
761 | Keys are allowed to be from 0 to 256 bits in length, in steps |
762 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
763 | variant of Serpent for compatibility with old kerneli.org code. | |
764 | ||
765 | See also: | |
766 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
767 | ||
937c30d7 JK |
768 | config CRYPTO_SERPENT_SSE2_X86_64 |
769 | tristate "Serpent cipher algorithm (x86_64/SSE2)" | |
770 | depends on X86 && 64BIT | |
771 | select CRYPTO_ALGAPI | |
341975bf | 772 | select CRYPTO_CRYPTD |
937c30d7 JK |
773 | select CRYPTO_SERPENT |
774 | help | |
775 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. | |
776 | ||
777 | Keys are allowed to be from 0 to 256 bits in length, in steps | |
778 | of 8 bits. | |
779 | ||
780 | This module provides Serpent cipher algorithm that processes eigth | |
781 | blocks parallel using SSE2 instruction set. | |
782 | ||
783 | See also: | |
784 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
785 | ||
251496db JK |
786 | config CRYPTO_SERPENT_SSE2_586 |
787 | tristate "Serpent cipher algorithm (i586/SSE2)" | |
788 | depends on X86 && !64BIT | |
789 | select CRYPTO_ALGAPI | |
341975bf | 790 | select CRYPTO_CRYPTD |
251496db JK |
791 | select CRYPTO_SERPENT |
792 | help | |
793 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. | |
794 | ||
795 | Keys are allowed to be from 0 to 256 bits in length, in steps | |
796 | of 8 bits. | |
797 | ||
798 | This module provides Serpent cipher algorithm that processes four | |
799 | blocks parallel using SSE2 instruction set. | |
800 | ||
801 | See also: | |
802 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
803 | ||
584fffc8 SS |
804 | config CRYPTO_TEA |
805 | tristate "TEA, XTEA and XETA cipher algorithms" | |
cce9e06d | 806 | select CRYPTO_ALGAPI |
1da177e4 | 807 | help |
584fffc8 | 808 | TEA cipher algorithm. |
1da177e4 | 809 | |
584fffc8 SS |
810 | Tiny Encryption Algorithm is a simple cipher that uses |
811 | many rounds for security. It is very fast and uses | |
812 | little memory. | |
813 | ||
814 | Xtendend Tiny Encryption Algorithm is a modification to | |
815 | the TEA algorithm to address a potential key weakness | |
816 | in the TEA algorithm. | |
817 | ||
818 | Xtendend Encryption Tiny Algorithm is a mis-implementation | |
819 | of the XTEA algorithm for compatibility purposes. | |
820 | ||
821 | config CRYPTO_TWOFISH | |
822 | tristate "Twofish cipher algorithm" | |
04ac7db3 | 823 | select CRYPTO_ALGAPI |
584fffc8 | 824 | select CRYPTO_TWOFISH_COMMON |
04ac7db3 | 825 | help |
584fffc8 | 826 | Twofish cipher algorithm. |
04ac7db3 | 827 | |
584fffc8 SS |
828 | Twofish was submitted as an AES (Advanced Encryption Standard) |
829 | candidate cipher by researchers at CounterPane Systems. It is a | |
830 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
831 | bits. | |
04ac7db3 | 832 | |
584fffc8 SS |
833 | See also: |
834 | <http://www.schneier.com/twofish.html> | |
835 | ||
836 | config CRYPTO_TWOFISH_COMMON | |
837 | tristate | |
838 | help | |
839 | Common parts of the Twofish cipher algorithm shared by the | |
840 | generic c and the assembler implementations. | |
841 | ||
842 | config CRYPTO_TWOFISH_586 | |
843 | tristate "Twofish cipher algorithms (i586)" | |
844 | depends on (X86 || UML_X86) && !64BIT | |
845 | select CRYPTO_ALGAPI | |
846 | select CRYPTO_TWOFISH_COMMON | |
847 | help | |
848 | Twofish cipher algorithm. | |
849 | ||
850 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
851 | candidate cipher by researchers at CounterPane Systems. It is a | |
852 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
853 | bits. | |
04ac7db3 NT |
854 | |
855 | See also: | |
584fffc8 | 856 | <http://www.schneier.com/twofish.html> |
04ac7db3 | 857 | |
584fffc8 SS |
858 | config CRYPTO_TWOFISH_X86_64 |
859 | tristate "Twofish cipher algorithm (x86_64)" | |
860 | depends on (X86 || UML_X86) && 64BIT | |
cce9e06d | 861 | select CRYPTO_ALGAPI |
584fffc8 | 862 | select CRYPTO_TWOFISH_COMMON |
1da177e4 | 863 | help |
584fffc8 | 864 | Twofish cipher algorithm (x86_64). |
1da177e4 | 865 | |
584fffc8 SS |
866 | Twofish was submitted as an AES (Advanced Encryption Standard) |
867 | candidate cipher by researchers at CounterPane Systems. It is a | |
868 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
869 | bits. | |
870 | ||
871 | See also: | |
872 | <http://www.schneier.com/twofish.html> | |
873 | ||
8280daad JK |
874 | config CRYPTO_TWOFISH_X86_64_3WAY |
875 | tristate "Twofish cipher algorithm (x86_64, 3-way parallel)" | |
876 | depends on (X86 || UML_X86) && 64BIT | |
877 | select CRYPTO_ALGAPI | |
878 | select CRYPTO_TWOFISH_COMMON | |
879 | select CRYPTO_TWOFISH_X86_64 | |
880 | help | |
881 | Twofish cipher algorithm (x86_64, 3-way parallel). | |
882 | ||
883 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
884 | candidate cipher by researchers at CounterPane Systems. It is a | |
885 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
886 | bits. | |
887 | ||
888 | This module provides Twofish cipher algorithm that processes three | |
889 | blocks parallel, utilizing resources of out-of-order CPUs better. | |
890 | ||
891 | See also: | |
892 | <http://www.schneier.com/twofish.html> | |
893 | ||
584fffc8 SS |
894 | comment "Compression" |
895 | ||
896 | config CRYPTO_DEFLATE | |
897 | tristate "Deflate compression algorithm" | |
898 | select CRYPTO_ALGAPI | |
899 | select ZLIB_INFLATE | |
900 | select ZLIB_DEFLATE | |
3c09f17c | 901 | help |
584fffc8 SS |
902 | This is the Deflate algorithm (RFC1951), specified for use in |
903 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
904 | ||
905 | You will most probably want this if using IPSec. | |
3c09f17c | 906 | |
bf68e65e GU |
907 | config CRYPTO_ZLIB |
908 | tristate "Zlib compression algorithm" | |
909 | select CRYPTO_PCOMP | |
910 | select ZLIB_INFLATE | |
911 | select ZLIB_DEFLATE | |
912 | select NLATTR | |
913 | help | |
914 | This is the zlib algorithm. | |
915 | ||
0b77abb3 ZS |
916 | config CRYPTO_LZO |
917 | tristate "LZO compression algorithm" | |
918 | select CRYPTO_ALGAPI | |
919 | select LZO_COMPRESS | |
920 | select LZO_DECOMPRESS | |
921 | help | |
922 | This is the LZO algorithm. | |
923 | ||
17f0f4a4 NH |
924 | comment "Random Number Generation" |
925 | ||
926 | config CRYPTO_ANSI_CPRNG | |
927 | tristate "Pseudo Random Number Generation for Cryptographic modules" | |
4e4ed83b | 928 | default m |
17f0f4a4 NH |
929 | select CRYPTO_AES |
930 | select CRYPTO_RNG | |
17f0f4a4 NH |
931 | help |
932 | This option enables the generic pseudo random number generator | |
933 | for cryptographic modules. Uses the Algorithm specified in | |
7dd607e8 JK |
934 | ANSI X9.31 A.2.4. Note that this option must be enabled if |
935 | CRYPTO_FIPS is selected | |
17f0f4a4 | 936 | |
03c8efc1 HX |
937 | config CRYPTO_USER_API |
938 | tristate | |
939 | ||
fe869cdb HX |
940 | config CRYPTO_USER_API_HASH |
941 | tristate "User-space interface for hash algorithms" | |
7451708f | 942 | depends on NET |
fe869cdb HX |
943 | select CRYPTO_HASH |
944 | select CRYPTO_USER_API | |
945 | help | |
946 | This option enables the user-spaces interface for hash | |
947 | algorithms. | |
948 | ||
8ff59090 HX |
949 | config CRYPTO_USER_API_SKCIPHER |
950 | tristate "User-space interface for symmetric key cipher algorithms" | |
7451708f | 951 | depends on NET |
8ff59090 HX |
952 | select CRYPTO_BLKCIPHER |
953 | select CRYPTO_USER_API | |
954 | help | |
955 | This option enables the user-spaces interface for symmetric | |
956 | key cipher algorithms. | |
957 | ||
1da177e4 | 958 | source "drivers/crypto/Kconfig" |
1da177e4 | 959 | |
cce9e06d | 960 | endif # if CRYPTO |