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