Kconfig 26 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923
  1. #
  2. # Generic algorithms support
  3. #
  4. config XOR_BLOCKS
  5. tristate
  6. #
  7. # async_tx api: hardware offloaded memory transfer/transform support
  8. #
  9. source "crypto/async_tx/Kconfig"
  10. #
  11. # Cryptographic API Configuration
  12. #
  13. menuconfig CRYPTO
  14. tristate "Cryptographic API"
  15. help
  16. This option provides the core Cryptographic API.
  17. if CRYPTO
  18. comment "Crypto core or helper"
  19. config CRYPTO_FIPS
  20. bool "FIPS 200 compliance"
  21. depends on CRYPTO_ANSI_CPRNG && !CRYPTO_MANAGER_DISABLE_TESTS
  22. help
  23. This options enables the fips boot option which is
  24. required if you want to system to operate in a FIPS 200
  25. certification. You should say no unless you know what
  26. this is.
  27. config CRYPTO_ALGAPI
  28. tristate
  29. select CRYPTO_ALGAPI2
  30. help
  31. This option provides the API for cryptographic algorithms.
  32. config CRYPTO_ALGAPI2
  33. tristate
  34. config CRYPTO_AEAD
  35. tristate
  36. select CRYPTO_AEAD2
  37. select CRYPTO_ALGAPI
  38. config CRYPTO_AEAD2
  39. tristate
  40. select CRYPTO_ALGAPI2
  41. config CRYPTO_BLKCIPHER
  42. tristate
  43. select CRYPTO_BLKCIPHER2
  44. select CRYPTO_ALGAPI
  45. config CRYPTO_BLKCIPHER2
  46. tristate
  47. select CRYPTO_ALGAPI2
  48. select CRYPTO_RNG2
  49. select CRYPTO_WORKQUEUE
  50. config CRYPTO_HASH
  51. tristate
  52. select CRYPTO_HASH2
  53. select CRYPTO_ALGAPI
  54. config CRYPTO_HASH2
  55. tristate
  56. select CRYPTO_ALGAPI2
  57. config CRYPTO_RNG
  58. tristate
  59. select CRYPTO_RNG2
  60. select CRYPTO_ALGAPI
  61. config CRYPTO_RNG2
  62. tristate
  63. select CRYPTO_ALGAPI2
  64. config CRYPTO_PCOMP
  65. tristate
  66. select CRYPTO_PCOMP2
  67. select CRYPTO_ALGAPI
  68. config CRYPTO_PCOMP2
  69. tristate
  70. select CRYPTO_ALGAPI2
  71. config CRYPTO_MANAGER
  72. tristate "Cryptographic algorithm manager"
  73. select CRYPTO_MANAGER2
  74. help
  75. Create default cryptographic template instantiations such as
  76. cbc(aes).
  77. config CRYPTO_MANAGER2
  78. def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
  79. select CRYPTO_AEAD2
  80. select CRYPTO_HASH2
  81. select CRYPTO_BLKCIPHER2
  82. select CRYPTO_PCOMP2
  83. config CRYPTO_USER
  84. tristate "Userspace cryptographic algorithm configuration"
  85. depends on NET
  86. select CRYPTO_MANAGER
  87. help
  88. Userapace configuration for cryptographic instantiations such as
  89. cbc(aes).
  90. config CRYPTO_MANAGER_DISABLE_TESTS
  91. bool "Disable run-time self tests"
  92. default y
  93. depends on CRYPTO_MANAGER2
  94. help
  95. Disable run-time self tests that normally take place at
  96. algorithm registration.
  97. config CRYPTO_GF128MUL
  98. tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
  99. help
  100. Efficient table driven implementation of multiplications in the
  101. field GF(2^128). This is needed by some cypher modes. This
  102. option will be selected automatically if you select such a
  103. cipher mode. Only select this option by hand if you expect to load
  104. an external module that requires these functions.
  105. config CRYPTO_NULL
  106. tristate "Null algorithms"
  107. select CRYPTO_ALGAPI
  108. select CRYPTO_BLKCIPHER
  109. select CRYPTO_HASH
  110. help
  111. These are 'Null' algorithms, used by IPsec, which do nothing.
  112. config CRYPTO_PCRYPT
  113. tristate "Parallel crypto engine (EXPERIMENTAL)"
  114. depends on SMP && EXPERIMENTAL
  115. select PADATA
  116. select CRYPTO_MANAGER
  117. select CRYPTO_AEAD
  118. help
  119. This converts an arbitrary crypto algorithm into a parallel
  120. algorithm that executes in kernel threads.
  121. config CRYPTO_WORKQUEUE
  122. tristate
  123. config CRYPTO_CRYPTD
  124. tristate "Software async crypto daemon"
  125. select CRYPTO_BLKCIPHER
  126. select CRYPTO_HASH
  127. select CRYPTO_MANAGER
  128. select CRYPTO_WORKQUEUE
  129. help
  130. This is a generic software asynchronous crypto daemon that
  131. converts an arbitrary synchronous software crypto algorithm
  132. into an asynchronous algorithm that executes in a kernel thread.
  133. config CRYPTO_AUTHENC
  134. tristate "Authenc support"
  135. select CRYPTO_AEAD
  136. select CRYPTO_BLKCIPHER
  137. select CRYPTO_MANAGER
  138. select CRYPTO_HASH
  139. help
  140. Authenc: Combined mode wrapper for IPsec.
  141. This is required for IPSec.
  142. config CRYPTO_TEST
  143. tristate "Testing module"
  144. depends on m
  145. select CRYPTO_MANAGER
  146. help
  147. Quick & dirty crypto test module.
  148. comment "Authenticated Encryption with Associated Data"
  149. config CRYPTO_CCM
  150. tristate "CCM support"
  151. select CRYPTO_CTR
  152. select CRYPTO_AEAD
  153. help
  154. Support for Counter with CBC MAC. Required for IPsec.
  155. config CRYPTO_GCM
  156. tristate "GCM/GMAC support"
  157. select CRYPTO_CTR
  158. select CRYPTO_AEAD
  159. select CRYPTO_GHASH
  160. help
  161. Support for Galois/Counter Mode (GCM) and Galois Message
  162. Authentication Code (GMAC). Required for IPSec.
  163. config CRYPTO_SEQIV
  164. tristate "Sequence Number IV Generator"
  165. select CRYPTO_AEAD
  166. select CRYPTO_BLKCIPHER
  167. select CRYPTO_RNG
  168. help
  169. This IV generator generates an IV based on a sequence number by
  170. xoring it with a salt. This algorithm is mainly useful for CTR
  171. comment "Block modes"
  172. config CRYPTO_CBC
  173. tristate "CBC support"
  174. select CRYPTO_BLKCIPHER
  175. select CRYPTO_MANAGER
  176. help
  177. CBC: Cipher Block Chaining mode
  178. This block cipher algorithm is required for IPSec.
  179. config CRYPTO_CTR
  180. tristate "CTR support"
  181. select CRYPTO_BLKCIPHER
  182. select CRYPTO_SEQIV
  183. select CRYPTO_MANAGER
  184. help
  185. CTR: Counter mode
  186. This block cipher algorithm is required for IPSec.
  187. config CRYPTO_CTS
  188. tristate "CTS support"
  189. select CRYPTO_BLKCIPHER
  190. help
  191. CTS: Cipher Text Stealing
  192. This is the Cipher Text Stealing mode as described by
  193. Section 8 of rfc2040 and referenced by rfc3962.
  194. (rfc3962 includes errata information in its Appendix A)
  195. This mode is required for Kerberos gss mechanism support
  196. for AES encryption.
  197. config CRYPTO_ECB
  198. tristate "ECB support"
  199. select CRYPTO_BLKCIPHER
  200. select CRYPTO_MANAGER
  201. help
  202. ECB: Electronic CodeBook mode
  203. This is the simplest block cipher algorithm. It simply encrypts
  204. the input block by block.
  205. config CRYPTO_LRW
  206. tristate "LRW support (EXPERIMENTAL)"
  207. depends on EXPERIMENTAL
  208. select CRYPTO_BLKCIPHER
  209. select CRYPTO_MANAGER
  210. select CRYPTO_GF128MUL
  211. help
  212. LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
  213. narrow block cipher mode for dm-crypt. Use it with cipher
  214. specification string aes-lrw-benbi, the key must be 256, 320 or 384.
  215. The first 128, 192 or 256 bits in the key are used for AES and the
  216. rest is used to tie each cipher block to its logical position.
  217. config CRYPTO_PCBC
  218. tristate "PCBC support"
  219. select CRYPTO_BLKCIPHER
  220. select CRYPTO_MANAGER
  221. help
  222. PCBC: Propagating Cipher Block Chaining mode
  223. This block cipher algorithm is required for RxRPC.
  224. config CRYPTO_XTS
  225. tristate "XTS support (EXPERIMENTAL)"
  226. depends on EXPERIMENTAL
  227. select CRYPTO_BLKCIPHER
  228. select CRYPTO_MANAGER
  229. select CRYPTO_GF128MUL
  230. help
  231. XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
  232. key size 256, 384 or 512 bits. This implementation currently
  233. can't handle a sectorsize which is not a multiple of 16 bytes.
  234. comment "Hash modes"
  235. config CRYPTO_HMAC
  236. tristate "HMAC support"
  237. select CRYPTO_HASH
  238. select CRYPTO_MANAGER
  239. help
  240. HMAC: Keyed-Hashing for Message Authentication (RFC2104).
  241. This is required for IPSec.
  242. config CRYPTO_XCBC
  243. tristate "XCBC support"
  244. depends on EXPERIMENTAL
  245. select CRYPTO_HASH
  246. select CRYPTO_MANAGER
  247. help
  248. XCBC: Keyed-Hashing with encryption algorithm
  249. http://www.ietf.org/rfc/rfc3566.txt
  250. http://csrc.nist.gov/encryption/modes/proposedmodes/
  251. xcbc-mac/xcbc-mac-spec.pdf
  252. config CRYPTO_VMAC
  253. tristate "VMAC support"
  254. depends on EXPERIMENTAL
  255. select CRYPTO_HASH
  256. select CRYPTO_MANAGER
  257. help
  258. VMAC is a message authentication algorithm designed for
  259. very high speed on 64-bit architectures.
  260. See also:
  261. <http://fastcrypto.org/vmac>
  262. comment "Digest"
  263. config CRYPTO_CRC32C
  264. tristate "CRC32c CRC algorithm"
  265. select CRYPTO_HASH
  266. help
  267. Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
  268. by iSCSI for header and data digests and by others.
  269. See Castagnoli93. Module will be crc32c.
  270. config CRYPTO_CRC32C_INTEL
  271. tristate "CRC32c INTEL hardware acceleration"
  272. depends on X86
  273. select CRYPTO_HASH
  274. help
  275. In Intel processor with SSE4.2 supported, the processor will
  276. support CRC32C implementation using hardware accelerated CRC32
  277. instruction. This option will create 'crc32c-intel' module,
  278. which will enable any routine to use the CRC32 instruction to
  279. gain performance compared with software implementation.
  280. Module will be crc32c-intel.
  281. config CRYPTO_GHASH
  282. tristate "GHASH digest algorithm"
  283. select CRYPTO_GF128MUL
  284. help
  285. GHASH is message digest algorithm for GCM (Galois/Counter Mode).
  286. config CRYPTO_MD4
  287. tristate "MD4 digest algorithm"
  288. select CRYPTO_HASH
  289. help
  290. MD4 message digest algorithm (RFC1320).
  291. config CRYPTO_MD5
  292. tristate "MD5 digest algorithm"
  293. select CRYPTO_HASH
  294. help
  295. MD5 message digest algorithm (RFC1321).
  296. config CRYPTO_MICHAEL_MIC
  297. tristate "Michael MIC keyed digest algorithm"
  298. select CRYPTO_HASH
  299. help
  300. Michael MIC is used for message integrity protection in TKIP
  301. (IEEE 802.11i). This algorithm is required for TKIP, but it
  302. should not be used for other purposes because of the weakness
  303. of the algorithm.
  304. config CRYPTO_RMD128
  305. tristate "RIPEMD-128 digest algorithm"
  306. select CRYPTO_HASH
  307. help
  308. RIPEMD-128 (ISO/IEC 10118-3:2004).
  309. RIPEMD-128 is a 128-bit cryptographic hash function. It should only
  310. be used as a secure replacement for RIPEMD. For other use cases,
  311. RIPEMD-160 should be used.
  312. Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
  313. See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
  314. config CRYPTO_RMD160
  315. tristate "RIPEMD-160 digest algorithm"
  316. select CRYPTO_HASH
  317. help
  318. RIPEMD-160 (ISO/IEC 10118-3:2004).
  319. RIPEMD-160 is a 160-bit cryptographic hash function. It is intended
  320. to be used as a secure replacement for the 128-bit hash functions
  321. MD4, MD5 and it's predecessor RIPEMD
  322. (not to be confused with RIPEMD-128).
  323. It's speed is comparable to SHA1 and there are no known attacks
  324. against RIPEMD-160.
  325. Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
  326. See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
  327. config CRYPTO_RMD256
  328. tristate "RIPEMD-256 digest algorithm"
  329. select CRYPTO_HASH
  330. help
  331. RIPEMD-256 is an optional extension of RIPEMD-128 with a
  332. 256 bit hash. It is intended for applications that require
  333. longer hash-results, without needing a larger security level
  334. (than RIPEMD-128).
  335. Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
  336. See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
  337. config CRYPTO_RMD320
  338. tristate "RIPEMD-320 digest algorithm"
  339. select CRYPTO_HASH
  340. help
  341. RIPEMD-320 is an optional extension of RIPEMD-160 with a
  342. 320 bit hash. It is intended for applications that require
  343. longer hash-results, without needing a larger security level
  344. (than RIPEMD-160).
  345. Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
  346. See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
  347. config CRYPTO_SHA1
  348. tristate "SHA1 digest algorithm"
  349. select CRYPTO_HASH
  350. help
  351. SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
  352. config CRYPTO_SHA1_SSSE3
  353. tristate "SHA1 digest algorithm (SSSE3/AVX)"
  354. depends on X86 && 64BIT
  355. select CRYPTO_SHA1
  356. select CRYPTO_HASH
  357. help
  358. SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
  359. using Supplemental SSE3 (SSSE3) instructions or Advanced Vector
  360. Extensions (AVX), when available.
  361. config CRYPTO_SHA256
  362. tristate "SHA224 and SHA256 digest algorithm"
  363. select CRYPTO_HASH
  364. help
  365. SHA256 secure hash standard (DFIPS 180-2).
  366. This version of SHA implements a 256 bit hash with 128 bits of
  367. security against collision attacks.
  368. This code also includes SHA-224, a 224 bit hash with 112 bits
  369. of security against collision attacks.
  370. config CRYPTO_SHA512
  371. tristate "SHA384 and SHA512 digest algorithms"
  372. select CRYPTO_HASH
  373. help
  374. SHA512 secure hash standard (DFIPS 180-2).
  375. This version of SHA implements a 512 bit hash with 256 bits of
  376. security against collision attacks.
  377. This code also includes SHA-384, a 384 bit hash with 192 bits
  378. of security against collision attacks.
  379. config CRYPTO_TGR192
  380. tristate "Tiger digest algorithms"
  381. select CRYPTO_HASH
  382. help
  383. Tiger hash algorithm 192, 160 and 128-bit hashes
  384. Tiger is a hash function optimized for 64-bit processors while
  385. still having decent performance on 32-bit processors.
  386. Tiger was developed by Ross Anderson and Eli Biham.
  387. See also:
  388. <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
  389. config CRYPTO_WP512
  390. tristate "Whirlpool digest algorithms"
  391. select CRYPTO_HASH
  392. help
  393. Whirlpool hash algorithm 512, 384 and 256-bit hashes
  394. Whirlpool-512 is part of the NESSIE cryptographic primitives.
  395. Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
  396. See also:
  397. <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html>
  398. config CRYPTO_GHASH_CLMUL_NI_INTEL
  399. tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
  400. depends on X86 && 64BIT
  401. select CRYPTO_CRYPTD
  402. help
  403. GHASH is message digest algorithm for GCM (Galois/Counter Mode).
  404. The implementation is accelerated by CLMUL-NI of Intel.
  405. comment "Ciphers"
  406. config CRYPTO_AES
  407. tristate "AES cipher algorithms"
  408. select CRYPTO_ALGAPI
  409. help
  410. AES cipher algorithms (FIPS-197). AES uses the Rijndael
  411. algorithm.
  412. Rijndael appears to be consistently a very good performer in
  413. both hardware and software across a wide range of computing
  414. environments regardless of its use in feedback or non-feedback
  415. modes. Its key setup time is excellent, and its key agility is
  416. good. Rijndael's very low memory requirements make it very well
  417. suited for restricted-space environments, in which it also
  418. demonstrates excellent performance. Rijndael's operations are
  419. among the easiest to defend against power and timing attacks.
  420. The AES specifies three key sizes: 128, 192 and 256 bits
  421. See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
  422. config CRYPTO_AES_586
  423. tristate "AES cipher algorithms (i586)"
  424. depends on (X86 || UML_X86) && !64BIT
  425. select CRYPTO_ALGAPI
  426. select CRYPTO_AES
  427. help
  428. AES cipher algorithms (FIPS-197). AES uses the Rijndael
  429. algorithm.
  430. Rijndael appears to be consistently a very good performer in
  431. both hardware and software across a wide range of computing
  432. environments regardless of its use in feedback or non-feedback
  433. modes. Its key setup time is excellent, and its key agility is
  434. good. Rijndael's very low memory requirements make it very well
  435. suited for restricted-space environments, in which it also
  436. demonstrates excellent performance. Rijndael's operations are
  437. among the easiest to defend against power and timing attacks.
  438. The AES specifies three key sizes: 128, 192 and 256 bits
  439. See <http://csrc.nist.gov/encryption/aes/> for more information.
  440. config CRYPTO_AES_X86_64
  441. tristate "AES cipher algorithms (x86_64)"
  442. depends on (X86 || UML_X86) && 64BIT
  443. select CRYPTO_ALGAPI
  444. select CRYPTO_AES
  445. help
  446. AES cipher algorithms (FIPS-197). AES uses the Rijndael
  447. algorithm.
  448. Rijndael appears to be consistently a very good performer in
  449. both hardware and software across a wide range of computing
  450. environments regardless of its use in feedback or non-feedback
  451. modes. Its key setup time is excellent, and its key agility is
  452. good. Rijndael's very low memory requirements make it very well
  453. suited for restricted-space environments, in which it also
  454. demonstrates excellent performance. Rijndael's operations are
  455. among the easiest to defend against power and timing attacks.
  456. The AES specifies three key sizes: 128, 192 and 256 bits
  457. See <http://csrc.nist.gov/encryption/aes/> for more information.
  458. config CRYPTO_AES_NI_INTEL
  459. tristate "AES cipher algorithms (AES-NI)"
  460. depends on X86
  461. select CRYPTO_AES_X86_64 if 64BIT
  462. select CRYPTO_AES_586 if !64BIT
  463. select CRYPTO_CRYPTD
  464. select CRYPTO_ALGAPI
  465. help
  466. Use Intel AES-NI instructions for AES algorithm.
  467. AES cipher algorithms (FIPS-197). AES uses the Rijndael
  468. algorithm.
  469. Rijndael appears to be consistently a very good performer in
  470. both hardware and software across a wide range of computing
  471. environments regardless of its use in feedback or non-feedback
  472. modes. Its key setup time is excellent, and its key agility is
  473. good. Rijndael's very low memory requirements make it very well
  474. suited for restricted-space environments, in which it also
  475. demonstrates excellent performance. Rijndael's operations are
  476. among the easiest to defend against power and timing attacks.
  477. The AES specifies three key sizes: 128, 192 and 256 bits
  478. See <http://csrc.nist.gov/encryption/aes/> for more information.
  479. In addition to AES cipher algorithm support, the acceleration
  480. for some popular block cipher mode is supported too, including
  481. ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional
  482. acceleration for CTR.
  483. config CRYPTO_ANUBIS
  484. tristate "Anubis cipher algorithm"
  485. select CRYPTO_ALGAPI
  486. help
  487. Anubis cipher algorithm.
  488. Anubis is a variable key length cipher which can use keys from
  489. 128 bits to 320 bits in length. It was evaluated as a entrant
  490. in the NESSIE competition.
  491. See also:
  492. <https://www.cosic.esat.kuleuven.be/nessie/reports/>
  493. <http://www.larc.usp.br/~pbarreto/AnubisPage.html>
  494. config CRYPTO_ARC4
  495. tristate "ARC4 cipher algorithm"
  496. select CRYPTO_ALGAPI
  497. help
  498. ARC4 cipher algorithm.
  499. ARC4 is a stream cipher using keys ranging from 8 bits to 2048
  500. bits in length. This algorithm is required for driver-based
  501. WEP, but it should not be for other purposes because of the
  502. weakness of the algorithm.
  503. config CRYPTO_BLOWFISH
  504. tristate "Blowfish cipher algorithm"
  505. select CRYPTO_ALGAPI
  506. select CRYPTO_BLOWFISH_COMMON
  507. help
  508. Blowfish cipher algorithm, by Bruce Schneier.
  509. This is a variable key length cipher which can use keys from 32
  510. bits to 448 bits in length. It's fast, simple and specifically
  511. designed for use on "large microprocessors".
  512. See also:
  513. <http://www.schneier.com/blowfish.html>
  514. config CRYPTO_BLOWFISH_COMMON
  515. tristate
  516. help
  517. Common parts of the Blowfish cipher algorithm shared by the
  518. generic c and the assembler implementations.
  519. See also:
  520. <http://www.schneier.com/blowfish.html>
  521. config CRYPTO_BLOWFISH_X86_64
  522. tristate "Blowfish cipher algorithm (x86_64)"
  523. depends on (X86 || UML_X86) && 64BIT
  524. select CRYPTO_ALGAPI
  525. select CRYPTO_BLOWFISH_COMMON
  526. help
  527. Blowfish cipher algorithm (x86_64), by Bruce Schneier.
  528. This is a variable key length cipher which can use keys from 32
  529. bits to 448 bits in length. It's fast, simple and specifically
  530. designed for use on "large microprocessors".
  531. See also:
  532. <http://www.schneier.com/blowfish.html>
  533. config CRYPTO_CAMELLIA
  534. tristate "Camellia cipher algorithms"
  535. depends on CRYPTO
  536. select CRYPTO_ALGAPI
  537. help
  538. Camellia cipher algorithms module.
  539. Camellia is a symmetric key block cipher developed jointly
  540. at NTT and Mitsubishi Electric Corporation.
  541. The Camellia specifies three key sizes: 128, 192 and 256 bits.
  542. See also:
  543. <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
  544. config CRYPTO_CAST5
  545. tristate "CAST5 (CAST-128) cipher algorithm"
  546. select CRYPTO_ALGAPI
  547. help
  548. The CAST5 encryption algorithm (synonymous with CAST-128) is
  549. described in RFC2144.
  550. config CRYPTO_CAST6
  551. tristate "CAST6 (CAST-256) cipher algorithm"
  552. select CRYPTO_ALGAPI
  553. help
  554. The CAST6 encryption algorithm (synonymous with CAST-256) is
  555. described in RFC2612.
  556. config CRYPTO_DES
  557. tristate "DES and Triple DES EDE cipher algorithms"
  558. select CRYPTO_ALGAPI
  559. help
  560. DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
  561. config CRYPTO_FCRYPT
  562. tristate "FCrypt cipher algorithm"
  563. select CRYPTO_ALGAPI
  564. select CRYPTO_BLKCIPHER
  565. help
  566. FCrypt algorithm used by RxRPC.
  567. config CRYPTO_KHAZAD
  568. tristate "Khazad cipher algorithm"
  569. select CRYPTO_ALGAPI
  570. help
  571. Khazad cipher algorithm.
  572. Khazad was a finalist in the initial NESSIE competition. It is
  573. an algorithm optimized for 64-bit processors with good performance
  574. on 32-bit processors. Khazad uses an 128 bit key size.
  575. See also:
  576. <http://www.larc.usp.br/~pbarreto/KhazadPage.html>
  577. config CRYPTO_SALSA20
  578. tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
  579. depends on EXPERIMENTAL
  580. select CRYPTO_BLKCIPHER
  581. help
  582. Salsa20 stream cipher algorithm.
  583. Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
  584. Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
  585. The Salsa20 stream cipher algorithm is designed by Daniel J.
  586. Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
  587. config CRYPTO_SALSA20_586
  588. tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)"
  589. depends on (X86 || UML_X86) && !64BIT
  590. depends on EXPERIMENTAL
  591. select CRYPTO_BLKCIPHER
  592. help
  593. Salsa20 stream cipher algorithm.
  594. Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
  595. Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
  596. The Salsa20 stream cipher algorithm is designed by Daniel J.
  597. Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
  598. config CRYPTO_SALSA20_X86_64
  599. tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
  600. depends on (X86 || UML_X86) && 64BIT
  601. depends on EXPERIMENTAL
  602. select CRYPTO_BLKCIPHER
  603. help
  604. Salsa20 stream cipher algorithm.
  605. Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
  606. Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
  607. The Salsa20 stream cipher algorithm is designed by Daniel J.
  608. Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
  609. config CRYPTO_SEED
  610. tristate "SEED cipher algorithm"
  611. select CRYPTO_ALGAPI
  612. help
  613. SEED cipher algorithm (RFC4269).
  614. SEED is a 128-bit symmetric key block cipher that has been
  615. developed by KISA (Korea Information Security Agency) as a
  616. national standard encryption algorithm of the Republic of Korea.
  617. It is a 16 round block cipher with the key size of 128 bit.
  618. See also:
  619. <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
  620. config CRYPTO_SERPENT
  621. tristate "Serpent cipher algorithm"
  622. select CRYPTO_ALGAPI
  623. help
  624. Serpent cipher algorithm, by Anderson, Biham & Knudsen.
  625. Keys are allowed to be from 0 to 256 bits in length, in steps
  626. of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
  627. variant of Serpent for compatibility with old kerneli.org code.
  628. See also:
  629. <http://www.cl.cam.ac.uk/~rja14/serpent.html>
  630. config CRYPTO_TEA
  631. tristate "TEA, XTEA and XETA cipher algorithms"
  632. select CRYPTO_ALGAPI
  633. help
  634. TEA cipher algorithm.
  635. Tiny Encryption Algorithm is a simple cipher that uses
  636. many rounds for security. It is very fast and uses
  637. little memory.
  638. Xtendend Tiny Encryption Algorithm is a modification to
  639. the TEA algorithm to address a potential key weakness
  640. in the TEA algorithm.
  641. Xtendend Encryption Tiny Algorithm is a mis-implementation
  642. of the XTEA algorithm for compatibility purposes.
  643. config CRYPTO_TWOFISH
  644. tristate "Twofish cipher algorithm"
  645. select CRYPTO_ALGAPI
  646. select CRYPTO_TWOFISH_COMMON
  647. help
  648. Twofish cipher algorithm.
  649. Twofish was submitted as an AES (Advanced Encryption Standard)
  650. candidate cipher by researchers at CounterPane Systems. It is a
  651. 16 round block cipher supporting key sizes of 128, 192, and 256
  652. bits.
  653. See also:
  654. <http://www.schneier.com/twofish.html>
  655. config CRYPTO_TWOFISH_COMMON
  656. tristate
  657. help
  658. Common parts of the Twofish cipher algorithm shared by the
  659. generic c and the assembler implementations.
  660. config CRYPTO_TWOFISH_586
  661. tristate "Twofish cipher algorithms (i586)"
  662. depends on (X86 || UML_X86) && !64BIT
  663. select CRYPTO_ALGAPI
  664. select CRYPTO_TWOFISH_COMMON
  665. help
  666. Twofish cipher algorithm.
  667. Twofish was submitted as an AES (Advanced Encryption Standard)
  668. candidate cipher by researchers at CounterPane Systems. It is a
  669. 16 round block cipher supporting key sizes of 128, 192, and 256
  670. bits.
  671. See also:
  672. <http://www.schneier.com/twofish.html>
  673. config CRYPTO_TWOFISH_X86_64
  674. tristate "Twofish cipher algorithm (x86_64)"
  675. depends on (X86 || UML_X86) && 64BIT
  676. select CRYPTO_ALGAPI
  677. select CRYPTO_TWOFISH_COMMON
  678. help
  679. Twofish cipher algorithm (x86_64).
  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.
  684. See also:
  685. <http://www.schneier.com/twofish.html>
  686. config CRYPTO_TWOFISH_X86_64_3WAY
  687. tristate "Twofish cipher algorithm (x86_64, 3-way parallel)"
  688. depends on (X86 || UML_X86) && 64BIT
  689. select CRYPTO_ALGAPI
  690. select CRYPTO_TWOFISH_COMMON
  691. select CRYPTO_TWOFISH_X86_64
  692. help
  693. Twofish cipher algorithm (x86_64, 3-way parallel).
  694. Twofish was submitted as an AES (Advanced Encryption Standard)
  695. candidate cipher by researchers at CounterPane Systems. It is a
  696. 16 round block cipher supporting key sizes of 128, 192, and 256
  697. bits.
  698. This module provides Twofish cipher algorithm that processes three
  699. blocks parallel, utilizing resources of out-of-order CPUs better.
  700. See also:
  701. <http://www.schneier.com/twofish.html>
  702. comment "Compression"
  703. config CRYPTO_DEFLATE
  704. tristate "Deflate compression algorithm"
  705. select CRYPTO_ALGAPI
  706. select ZLIB_INFLATE
  707. select ZLIB_DEFLATE
  708. help
  709. This is the Deflate algorithm (RFC1951), specified for use in
  710. IPSec with the IPCOMP protocol (RFC3173, RFC2394).
  711. You will most probably want this if using IPSec.
  712. config CRYPTO_ZLIB
  713. tristate "Zlib compression algorithm"
  714. select CRYPTO_PCOMP
  715. select ZLIB_INFLATE
  716. select ZLIB_DEFLATE
  717. select NLATTR
  718. help
  719. This is the zlib algorithm.
  720. config CRYPTO_LZO
  721. tristate "LZO compression algorithm"
  722. select CRYPTO_ALGAPI
  723. select LZO_COMPRESS
  724. select LZO_DECOMPRESS
  725. help
  726. This is the LZO algorithm.
  727. comment "Random Number Generation"
  728. config CRYPTO_ANSI_CPRNG
  729. tristate "Pseudo Random Number Generation for Cryptographic modules"
  730. default m
  731. select CRYPTO_AES
  732. select CRYPTO_RNG
  733. help
  734. This option enables the generic pseudo random number generator
  735. for cryptographic modules. Uses the Algorithm specified in
  736. ANSI X9.31 A.2.4. Note that this option must be enabled if
  737. CRYPTO_FIPS is selected
  738. config CRYPTO_USER_API
  739. tristate
  740. config CRYPTO_USER_API_HASH
  741. tristate "User-space interface for hash algorithms"
  742. depends on NET
  743. select CRYPTO_HASH
  744. select CRYPTO_USER_API
  745. help
  746. This option enables the user-spaces interface for hash
  747. algorithms.
  748. config CRYPTO_USER_API_SKCIPHER
  749. tristate "User-space interface for symmetric key cipher algorithms"
  750. depends on NET
  751. select CRYPTO_BLKCIPHER
  752. select CRYPTO_USER_API
  753. help
  754. This option enables the user-spaces interface for symmetric
  755. key cipher algorithms.
  756. source "drivers/crypto/Kconfig"
  757. endif # if CRYPTO