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authorSebastian Siewior <sebastian@breakpoint.cc>2008-04-05 09:04:48 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2008-04-20 22:19:34 -0400
commit584fffc8b1965cc09ebc4b7608bafcbf12ad5244 (patch)
treeebe4532239f556dda9770ac1e76589ac76448d1d /crypto
parent3af5b90bde5000abc739996cb03fd718e753d053 (diff)
[CRYPTO] kconfig: Ordering cleanup
Ciphers, block modes, name it, are grouped together and sorted. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/Kconfig645
1 files changed, 329 insertions, 316 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig
index edd00c5307a4..864456c140fe 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -19,6 +19,8 @@ menuconfig CRYPTO
19 19
20if CRYPTO 20if CRYPTO
21 21
22comment "Crypto core or helper"
23
22config CRYPTO_ALGAPI 24config CRYPTO_ALGAPI
23 tristate 25 tristate
24 help 26 help
@@ -32,15 +34,6 @@ config CRYPTO_BLKCIPHER
32 tristate 34 tristate
33 select CRYPTO_ALGAPI 35 select CRYPTO_ALGAPI
34 36
35config CRYPTO_SEQIV
36 tristate "Sequence Number IV Generator"
37 select CRYPTO_AEAD
38 select CRYPTO_BLKCIPHER
39 help
40 This IV generator generates an IV based on a sequence number by
41 xoring it with a salt. This algorithm is mainly useful for CTR
42 and similar modes.
43
44config CRYPTO_HASH 37config CRYPTO_HASH
45 tristate 38 tristate
46 select CRYPTO_ALGAPI 39 select CRYPTO_ALGAPI
@@ -52,24 +45,15 @@ config CRYPTO_MANAGER
52 Create default cryptographic template instantiations such as 45 Create default cryptographic template instantiations such as
53 cbc(aes). 46 cbc(aes).
54 47
55config CRYPTO_HMAC 48config CRYPTO_GF128MUL
56 tristate "HMAC support" 49 tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
57 select CRYPTO_HASH
58 select CRYPTO_MANAGER
59 help
60 HMAC: Keyed-Hashing for Message Authentication (RFC2104).
61 This is required for IPSec.
62
63config CRYPTO_XCBC
64 tristate "XCBC support"
65 depends on EXPERIMENTAL 50 depends on EXPERIMENTAL
66 select CRYPTO_HASH
67 select CRYPTO_MANAGER
68 help 51 help
69 XCBC: Keyed-Hashing with encryption algorithm 52 Efficient table driven implementation of multiplications in the
70 http://www.ietf.org/rfc/rfc3566.txt 53 field GF(2^128). This is needed by some cypher modes. This
71 http://csrc.nist.gov/encryption/modes/proposedmodes/ 54 option will be selected automatically if you select such a
72 xcbc-mac/xcbc-mac-spec.pdf 55 cipher mode. Only select this option by hand if you expect to load
56 an external module that requires these functions.
73 57
74config CRYPTO_NULL 58config CRYPTO_NULL
75 tristate "Null algorithms" 59 tristate "Null algorithms"
@@ -78,107 +62,98 @@ config CRYPTO_NULL
78 help 62 help
79 These are 'Null' algorithms, used by IPsec, which do nothing. 63 These are 'Null' algorithms, used by IPsec, which do nothing.
80 64
81config CRYPTO_MD4 65config CRYPTO_CRYPTD
82 tristate "MD4 digest algorithm" 66 tristate "Software async crypto daemon"
83 select CRYPTO_ALGAPI 67 select CRYPTO_BLKCIPHER
68 select CRYPTO_MANAGER
84 help 69 help
85 MD4 message digest algorithm (RFC1320). 70 This is a generic software asynchronous crypto daemon that
71 converts an arbitrary synchronous software crypto algorithm
72 into an asynchronous algorithm that executes in a kernel thread.
86 73
87config CRYPTO_MD5 74config CRYPTO_AUTHENC
88 tristate "MD5 digest algorithm" 75 tristate "Authenc support"
89 select CRYPTO_ALGAPI 76 select CRYPTO_AEAD
77 select CRYPTO_BLKCIPHER
78 select CRYPTO_MANAGER
79 select CRYPTO_HASH
90 help 80 help
91 MD5 message digest algorithm (RFC1321). 81 Authenc: Combined mode wrapper for IPsec.
82 This is required for IPSec.
92 83
93config CRYPTO_SHA1 84config CRYPTO_TEST
94 tristate "SHA1 digest algorithm" 85 tristate "Testing module"
86 depends on m
95 select CRYPTO_ALGAPI 87 select CRYPTO_ALGAPI
88 select CRYPTO_AEAD
89 select CRYPTO_BLKCIPHER
96 help 90 help
97 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). 91 Quick & dirty crypto test module.
98 92
99config CRYPTO_SHA256 93comment "Authenticated Encryption with Associated Data"
100 tristate "SHA224 and SHA256 digest algorithm"
101 select CRYPTO_ALGAPI
102 help
103 SHA256 secure hash standard (DFIPS 180-2).
104
105 This version of SHA implements a 256 bit hash with 128 bits of
106 security against collision attacks.
107 94
108 This code also includes SHA-224, a 224 bit hash with 112 bits 95config CRYPTO_CCM
109 of security against collision attacks. 96 tristate "CCM support"
110 97 select CRYPTO_CTR
111config CRYPTO_SHA512 98 select CRYPTO_AEAD
112 tristate "SHA384 and SHA512 digest algorithms"
113 select CRYPTO_ALGAPI
114 help 99 help
115 SHA512 secure hash standard (DFIPS 180-2). 100 Support for Counter with CBC MAC. Required for IPsec.
116
117 This version of SHA implements a 512 bit hash with 256 bits of
118 security against collision attacks.
119
120 This code also includes SHA-384, a 384 bit hash with 192 bits
121 of security against collision attacks.
122 101
123config CRYPTO_WP512 102config CRYPTO_GCM
124 tristate "Whirlpool digest algorithms" 103 tristate "GCM/GMAC support"
125 select CRYPTO_ALGAPI 104 select CRYPTO_CTR
105 select CRYPTO_AEAD
106 select CRYPTO_GF128MUL
126 help 107 help
127 Whirlpool hash algorithm 512, 384 and 256-bit hashes 108 Support for Galois/Counter Mode (GCM) and Galois Message
128 109 Authentication Code (GMAC). Required for IPSec.
129 Whirlpool-512 is part of the NESSIE cryptographic primitives.
130 Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
131
132 See also:
133 <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
134 110
135config CRYPTO_TGR192 111config CRYPTO_SEQIV
136 tristate "Tiger digest algorithms" 112 tristate "Sequence Number IV Generator"
137 select CRYPTO_ALGAPI 113 select CRYPTO_AEAD
114 select CRYPTO_BLKCIPHER
138 help 115 help
139 Tiger hash algorithm 192, 160 and 128-bit hashes 116 This IV generator generates an IV based on a sequence number by
140 117 xoring it with a salt. This algorithm is mainly useful for CTR
141 Tiger is a hash function optimized for 64-bit processors while
142 still having decent performance on 32-bit processors.
143 Tiger was developed by Ross Anderson and Eli Biham.
144 118
145 See also: 119comment "Block modes"
146 <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
147 120
148config CRYPTO_GF128MUL 121config CRYPTO_CBC
149 tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" 122 tristate "CBC support"
150 depends on EXPERIMENTAL
151 help
152 Efficient table driven implementation of multiplications in the
153 field GF(2^128). This is needed by some cypher modes. This
154 option will be selected automatically if you select such a
155 cipher mode. Only select this option by hand if you expect to load
156 an external module that requires these functions.
157
158config CRYPTO_ECB
159 tristate "ECB support"
160 select CRYPTO_BLKCIPHER 123 select CRYPTO_BLKCIPHER
161 select CRYPTO_MANAGER 124 select CRYPTO_MANAGER
162 help 125 help
163 ECB: Electronic CodeBook mode 126 CBC: Cipher Block Chaining mode
164 This is the simplest block cipher algorithm. It simply encrypts 127 This block cipher algorithm is required for IPSec.
165 the input block by block.
166 128
167config CRYPTO_CBC 129config CRYPTO_CTR
168 tristate "CBC support" 130 tristate "CTR support"
169 select CRYPTO_BLKCIPHER 131 select CRYPTO_BLKCIPHER
132 select CRYPTO_SEQIV
170 select CRYPTO_MANAGER 133 select CRYPTO_MANAGER
171 help 134 help
172 CBC: Cipher Block Chaining mode 135 CTR: Counter mode
173 This block cipher algorithm is required for IPSec. 136 This block cipher algorithm is required for IPSec.
174 137
175config CRYPTO_PCBC 138config CRYPTO_CTS
176 tristate "PCBC support" 139 tristate "CTS support"
140 select CRYPTO_BLKCIPHER
141 help
142 CTS: Cipher Text Stealing
143 This is the Cipher Text Stealing mode as described by
144 Section 8 of rfc2040 and referenced by rfc3962.
145 (rfc3962 includes errata information in its Appendix A)
146 This mode is required for Kerberos gss mechanism support
147 for AES encryption.
148
149config CRYPTO_ECB
150 tristate "ECB support"
177 select CRYPTO_BLKCIPHER 151 select CRYPTO_BLKCIPHER
178 select CRYPTO_MANAGER 152 select CRYPTO_MANAGER
179 help 153 help
180 PCBC: Propagating Cipher Block Chaining mode 154 ECB: Electronic CodeBook mode
181 This block cipher algorithm is required for RxRPC. 155 This is the simplest block cipher algorithm. It simply encrypts
156 the input block by block.
182 157
183config CRYPTO_LRW 158config CRYPTO_LRW
184 tristate "LRW support (EXPERIMENTAL)" 159 tristate "LRW support (EXPERIMENTAL)"
@@ -193,6 +168,14 @@ config CRYPTO_LRW
193 The first 128, 192 or 256 bits in the key are used for AES and the 168 The first 128, 192 or 256 bits in the key are used for AES and the
194 rest is used to tie each cipher block to its logical position. 169 rest is used to tie each cipher block to its logical position.
195 170
171config CRYPTO_PCBC
172 tristate "PCBC support"
173 select CRYPTO_BLKCIPHER
174 select CRYPTO_MANAGER
175 help
176 PCBC: Propagating Cipher Block Chaining mode
177 This block cipher algorithm is required for RxRPC.
178
196config CRYPTO_XTS 179config CRYPTO_XTS
197 tristate "XTS support (EXPERIMENTAL)" 180 tristate "XTS support (EXPERIMENTAL)"
198 depends on EXPERIMENTAL 181 depends on EXPERIMENTAL
@@ -204,160 +187,134 @@ config CRYPTO_XTS
204 key size 256, 384 or 512 bits. This implementation currently 187 key size 256, 384 or 512 bits. This implementation currently
205 can't handle a sectorsize which is not a multiple of 16 bytes. 188 can't handle a sectorsize which is not a multiple of 16 bytes.
206 189
207config CRYPTO_CTR 190comment "Hash modes"
208 tristate "CTR support" 191
209 select CRYPTO_BLKCIPHER 192config CRYPTO_HMAC
210 select CRYPTO_SEQIV 193 tristate "HMAC support"
194 select CRYPTO_HASH
211 select CRYPTO_MANAGER 195 select CRYPTO_MANAGER
212 help 196 help
213 CTR: Counter mode 197 HMAC: Keyed-Hashing for Message Authentication (RFC2104).
214 This block cipher algorithm is required for IPSec. 198 This is required for IPSec.
215 199
216config CRYPTO_CTS 200config CRYPTO_XCBC
217 tristate "CTS support" 201 tristate "XCBC support"
218 select CRYPTO_BLKCIPHER 202 depends on EXPERIMENTAL
203 select CRYPTO_HASH
204 select CRYPTO_MANAGER
219 help 205 help
220 CTS: Cipher Text Stealing 206 XCBC: Keyed-Hashing with encryption algorithm
221 This is the Cipher Text Stealing mode as described by 207 http://www.ietf.org/rfc/rfc3566.txt
222 Section 8 of rfc2040 and referenced by rfc3962. 208 http://csrc.nist.gov/encryption/modes/proposedmodes/
223 (rfc3962 includes errata information in its Appendix A) 209 xcbc-mac/xcbc-mac-spec.pdf
224 This mode is required for Kerberos gss mechanism support
225 for AES encryption.
226 210
227config CRYPTO_GCM 211comment "Digest"
228 tristate "GCM/GMAC support"
229 select CRYPTO_CTR
230 select CRYPTO_AEAD
231 select CRYPTO_GF128MUL
232 help
233 Support for Galois/Counter Mode (GCM) and Galois Message
234 Authentication Code (GMAC). Required for IPSec.
235 212
236config CRYPTO_CCM 213config CRYPTO_CRC32C
237 tristate "CCM support" 214 tristate "CRC32c CRC algorithm"
238 select CRYPTO_CTR 215 select CRYPTO_ALGAPI
239 select CRYPTO_AEAD 216 select LIBCRC32C
240 help 217 help
241 Support for Counter with CBC MAC. Required for IPsec. 218 Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
219 by iSCSI for header and data digests and by others.
220 See Castagnoli93. This implementation uses lib/libcrc32c.
221 Module will be crc32c.
242 222
243config CRYPTO_CRYPTD 223config CRYPTO_MD4
244 tristate "Software async crypto daemon" 224 tristate "MD4 digest algorithm"
245 select CRYPTO_BLKCIPHER 225 select CRYPTO_ALGAPI
246 select CRYPTO_MANAGER
247 help 226 help
248 This is a generic software asynchronous crypto daemon that 227 MD4 message digest algorithm (RFC1320).
249 converts an arbitrary synchronous software crypto algorithm
250 into an asynchronous algorithm that executes in a kernel thread.
251 228
252config CRYPTO_DES 229config CRYPTO_MD5
253 tristate "DES and Triple DES EDE cipher algorithms" 230 tristate "MD5 digest algorithm"
254 select CRYPTO_ALGAPI 231 select CRYPTO_ALGAPI
255 help 232 help
256 DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). 233 MD5 message digest algorithm (RFC1321).
257 234
258config CRYPTO_FCRYPT 235config CRYPTO_MICHAEL_MIC
259 tristate "FCrypt cipher algorithm" 236 tristate "Michael MIC keyed digest algorithm"
260 select CRYPTO_ALGAPI 237 select CRYPTO_ALGAPI
261 select CRYPTO_BLKCIPHER
262 help 238 help
263 FCrypt algorithm used by RxRPC. 239 Michael MIC is used for message integrity protection in TKIP
240 (IEEE 802.11i). This algorithm is required for TKIP, but it
241 should not be used for other purposes because of the weakness
242 of the algorithm.
264 243
265config CRYPTO_BLOWFISH 244config CRYPTO_SHA1
266 tristate "Blowfish cipher algorithm" 245 tristate "SHA1 digest algorithm"
267 select CRYPTO_ALGAPI 246 select CRYPTO_ALGAPI
268 help 247 help
269 Blowfish cipher algorithm, by Bruce Schneier. 248 SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
270
271 This is a variable key length cipher which can use keys from 32
272 bits to 448 bits in length. It's fast, simple and specifically
273 designed for use on "large microprocessors".
274
275 See also:
276 <http://www.schneier.com/blowfish.html>
277 249
278config CRYPTO_TWOFISH 250config CRYPTO_SHA256
279 tristate "Twofish cipher algorithm" 251 tristate "SHA224 and SHA256 digest algorithm"
280 select CRYPTO_ALGAPI 252 select CRYPTO_ALGAPI
281 select CRYPTO_TWOFISH_COMMON
282 help 253 help
283 Twofish cipher algorithm. 254 SHA256 secure hash standard (DFIPS 180-2).
284
285 Twofish was submitted as an AES (Advanced Encryption Standard)
286 candidate cipher by researchers at CounterPane Systems. It is a
287 16 round block cipher supporting key sizes of 128, 192, and 256
288 bits.
289
290 See also:
291 <http://www.schneier.com/twofish.html>
292 255
293config CRYPTO_TWOFISH_COMMON 256 This version of SHA implements a 256 bit hash with 128 bits of
294 tristate 257 security against collision attacks.
295 help
296 Common parts of the Twofish cipher algorithm shared by the
297 generic c and the assembler implementations.
298 258
299config CRYPTO_TWOFISH_586 259 This code also includes SHA-224, a 224 bit hash with 112 bits
300 tristate "Twofish cipher algorithms (i586)" 260 of security against collision attacks.
301 depends on (X86 || UML_X86) && !64BIT 261
262config CRYPTO_SHA512
263 tristate "SHA384 and SHA512 digest algorithms"
302 select CRYPTO_ALGAPI 264 select CRYPTO_ALGAPI
303 select CRYPTO_TWOFISH_COMMON
304 help 265 help
305 Twofish cipher algorithm. 266 SHA512 secure hash standard (DFIPS 180-2).
306 267
307 Twofish was submitted as an AES (Advanced Encryption Standard) 268 This version of SHA implements a 512 bit hash with 256 bits of
308 candidate cipher by researchers at CounterPane Systems. It is a 269 security against collision attacks.
309 16 round block cipher supporting key sizes of 128, 192, and 256
310 bits.
311 270
312 See also: 271 This code also includes SHA-384, a 384 bit hash with 192 bits
313 <http://www.schneier.com/twofish.html> 272 of security against collision attacks.
314 273
315config CRYPTO_TWOFISH_X86_64 274config CRYPTO_TGR192
316 tristate "Twofish cipher algorithm (x86_64)" 275 tristate "Tiger digest algorithms"
317 depends on (X86 || UML_X86) && 64BIT
318 select CRYPTO_ALGAPI 276 select CRYPTO_ALGAPI
319 select CRYPTO_TWOFISH_COMMON
320 help 277 help
321 Twofish cipher algorithm (x86_64). 278 Tiger hash algorithm 192, 160 and 128-bit hashes
322 279
323 Twofish was submitted as an AES (Advanced Encryption Standard) 280 Tiger is a hash function optimized for 64-bit processors while
324 candidate cipher by researchers at CounterPane Systems. It is a 281 still having decent performance on 32-bit processors.
325 16 round block cipher supporting key sizes of 128, 192, and 256 282 Tiger was developed by Ross Anderson and Eli Biham.
326 bits.
327 283
328 See also: 284 See also:
329 <http://www.schneier.com/twofish.html> 285 <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
330 286
331config CRYPTO_SERPENT 287config CRYPTO_WP512
332 tristate "Serpent cipher algorithm" 288 tristate "Whirlpool digest algorithms"
333 select CRYPTO_ALGAPI 289 select CRYPTO_ALGAPI
334 help 290 help
335 Serpent cipher algorithm, by Anderson, Biham & Knudsen. 291 Whirlpool hash algorithm 512, 384 and 256-bit hashes
336 292
337 Keys are allowed to be from 0 to 256 bits in length, in steps 293 Whirlpool-512 is part of the NESSIE cryptographic primitives.
338 of 8 bits. Also includes the 'Tnepres' algorithm, a reversed 294 Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
339 variant of Serpent for compatibility with old kerneli.org code.
340 295
341 See also: 296 See also:
342 <http://www.cl.cam.ac.uk/~rja14/serpent.html> 297 <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
298
299comment "Ciphers"
343 300
344config CRYPTO_AES 301config CRYPTO_AES
345 tristate "AES cipher algorithms" 302 tristate "AES cipher algorithms"
346 select CRYPTO_ALGAPI 303 select CRYPTO_ALGAPI
347 help 304 help
348 AES cipher algorithms (FIPS-197). AES uses the Rijndael 305 AES cipher algorithms (FIPS-197). AES uses the Rijndael
349 algorithm. 306 algorithm.
350 307
351 Rijndael appears to be consistently a very good performer in 308 Rijndael appears to be consistently a very good performer in
352 both hardware and software across a wide range of computing 309 both hardware and software across a wide range of computing
353 environments regardless of its use in feedback or non-feedback 310 environments regardless of its use in feedback or non-feedback
354 modes. Its key setup time is excellent, and its key agility is 311 modes. Its key setup time is excellent, and its key agility is
355 good. Rijndael's very low memory requirements make it very well 312 good. Rijndael's very low memory requirements make it very well
356 suited for restricted-space environments, in which it also 313 suited for restricted-space environments, in which it also
357 demonstrates excellent performance. Rijndael's operations are 314 demonstrates excellent performance. Rijndael's operations are
358 among the easiest to defend against power and timing attacks. 315 among the easiest to defend against power and timing attacks.
359 316
360 The AES specifies three key sizes: 128, 192 and 256 bits 317 The AES specifies three key sizes: 128, 192 and 256 bits
361 318
362 See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. 319 See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
363 320
@@ -367,19 +324,19 @@ config CRYPTO_AES_586
367 select CRYPTO_ALGAPI 324 select CRYPTO_ALGAPI
368 select CRYPTO_AES 325 select CRYPTO_AES
369 help 326 help
370 AES cipher algorithms (FIPS-197). AES uses the Rijndael 327 AES cipher algorithms (FIPS-197). AES uses the Rijndael
371 algorithm. 328 algorithm.
372 329
373 Rijndael appears to be consistently a very good performer in 330 Rijndael appears to be consistently a very good performer in
374 both hardware and software across a wide range of computing 331 both hardware and software across a wide range of computing
375 environments regardless of its use in feedback or non-feedback 332 environments regardless of its use in feedback or non-feedback
376 modes. Its key setup time is excellent, and its key agility is 333 modes. Its key setup time is excellent, and its key agility is
377 good. Rijndael's very low memory requirements make it very well 334 good. Rijndael's very low memory requirements make it very well
378 suited for restricted-space environments, in which it also 335 suited for restricted-space environments, in which it also
379 demonstrates excellent performance. Rijndael's operations are 336 demonstrates excellent performance. Rijndael's operations are
380 among the easiest to defend against power and timing attacks. 337 among the easiest to defend against power and timing attacks.
381 338
382 The AES specifies three key sizes: 128, 192 and 256 bits 339 The AES specifies three key sizes: 128, 192 and 256 bits
383 340
384 See <http://csrc.nist.gov/encryption/aes/> for more information. 341 See <http://csrc.nist.gov/encryption/aes/> for more information.
385 342
@@ -389,22 +346,75 @@ config CRYPTO_AES_X86_64
389 select CRYPTO_ALGAPI 346 select CRYPTO_ALGAPI
390 select CRYPTO_AES 347 select CRYPTO_AES
391 help 348 help
392 AES cipher algorithms (FIPS-197). AES uses the Rijndael 349 AES cipher algorithms (FIPS-197). AES uses the Rijndael
393 algorithm. 350 algorithm.
394 351
395 Rijndael appears to be consistently a very good performer in 352 Rijndael appears to be consistently a very good performer in
396 both hardware and software across a wide range of computing 353 both hardware and software across a wide range of computing
397 environments regardless of its use in feedback or non-feedback 354 environments regardless of its use in feedback or non-feedback
398 modes. Its key setup time is excellent, and its key agility is 355 modes. Its key setup time is excellent, and its key agility is
399 good. Rijndael's very low memory requirements make it very well 356 good. Rijndael's very low memory requirements make it very well
400 suited for restricted-space environments, in which it also 357 suited for restricted-space environments, in which it also
401 demonstrates excellent performance. Rijndael's operations are 358 demonstrates excellent performance. Rijndael's operations are
402 among the easiest to defend against power and timing attacks. 359 among the easiest to defend against power and timing attacks.
403 360
404 The AES specifies three key sizes: 128, 192 and 256 bits 361 The AES specifies three key sizes: 128, 192 and 256 bits
405 362
406 See <http://csrc.nist.gov/encryption/aes/> for more information. 363 See <http://csrc.nist.gov/encryption/aes/> for more information.
407 364
365config CRYPTO_ANUBIS
366 tristate "Anubis cipher algorithm"
367 select CRYPTO_ALGAPI
368 help
369 Anubis cipher algorithm.
370
371 Anubis is a variable key length cipher which can use keys from
372 128 bits to 320 bits in length. It was evaluated as a entrant
373 in the NESSIE competition.
374
375 See also:
376 <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
377 <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
378
379config CRYPTO_ARC4
380 tristate "ARC4 cipher algorithm"
381 select CRYPTO_ALGAPI
382 help
383 ARC4 cipher algorithm.
384
385 ARC4 is a stream cipher using keys ranging from 8 bits to 2048
386 bits in length. This algorithm is required for driver-based
387 WEP, but it should not be for other purposes because of the
388 weakness of the algorithm.
389
390config CRYPTO_BLOWFISH
391 tristate "Blowfish cipher algorithm"
392 select CRYPTO_ALGAPI
393 help
394 Blowfish cipher algorithm, by Bruce Schneier.
395
396 This is a variable key length cipher which can use keys from 32
397 bits to 448 bits in length. It's fast, simple and specifically
398 designed for use on "large microprocessors".
399
400 See also:
401 <http://www.schneier.com/blowfish.html>
402
403config CRYPTO_CAMELLIA
404 tristate "Camellia cipher algorithms"
405 depends on CRYPTO
406 select CRYPTO_ALGAPI
407 help
408 Camellia cipher algorithms module.
409
410 Camellia is a symmetric key block cipher developed jointly
411 at NTT and Mitsubishi Electric Corporation.
412
413 The Camellia specifies three key sizes: 128, 192 and 256 bits.
414
415 See also:
416 <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
417
408config CRYPTO_CAST5 418config CRYPTO_CAST5
409 tristate "CAST5 (CAST-128) cipher algorithm" 419 tristate "CAST5 (CAST-128) cipher algorithm"
410 select CRYPTO_ALGAPI 420 select CRYPTO_ALGAPI
@@ -419,33 +429,18 @@ config CRYPTO_CAST6
419 The CAST6 encryption algorithm (synonymous with CAST-256) is 429 The CAST6 encryption algorithm (synonymous with CAST-256) is
420 described in RFC2612. 430 described in RFC2612.
421 431
422config CRYPTO_TEA 432config CRYPTO_DES
423 tristate "TEA, XTEA and XETA cipher algorithms" 433 tristate "DES and Triple DES EDE cipher algorithms"
424 select CRYPTO_ALGAPI 434 select CRYPTO_ALGAPI
425 help 435 help
426 TEA cipher algorithm. 436 DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
427
428 Tiny Encryption Algorithm is a simple cipher that uses
429 many rounds for security. It is very fast and uses
430 little memory.
431
432 Xtendend Tiny Encryption Algorithm is a modification to
433 the TEA algorithm to address a potential key weakness
434 in the TEA algorithm.
435
436 Xtendend Encryption Tiny Algorithm is a mis-implementation
437 of the XTEA algorithm for compatibility purposes.
438 437
439config CRYPTO_ARC4 438config CRYPTO_FCRYPT
440 tristate "ARC4 cipher algorithm" 439 tristate "FCrypt cipher algorithm"
441 select CRYPTO_ALGAPI 440 select CRYPTO_ALGAPI
441 select CRYPTO_BLKCIPHER
442 help 442 help
443 ARC4 cipher algorithm. 443 FCrypt algorithm used by RxRPC.
444
445 ARC4 is a stream cipher using keys ranging from 8 bits to 2048
446 bits in length. This algorithm is required for driver-based
447 WEP, but it should not be for other purposes because of the
448 weakness of the algorithm.
449 444
450config CRYPTO_KHAZAD 445config CRYPTO_KHAZAD
451 tristate "Khazad cipher algorithm" 446 tristate "Khazad cipher algorithm"
@@ -460,34 +455,6 @@ config CRYPTO_KHAZAD
460 See also: 455 See also:
461 <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> 456 <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
462 457
463config CRYPTO_ANUBIS
464 tristate "Anubis cipher algorithm"
465 select CRYPTO_ALGAPI
466 help
467 Anubis cipher algorithm.
468
469 Anubis is a variable key length cipher which can use keys from
470 128 bits to 320 bits in length. It was evaluated as a entrant
471 in the NESSIE competition.
472
473 See also:
474 <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
475 <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
476
477config CRYPTO_SEED
478 tristate "SEED cipher algorithm"
479 select CRYPTO_ALGAPI
480 help
481 SEED cipher algorithm (RFC4269).
482
483 SEED is a 128-bit symmetric key block cipher that has been
484 developed by KISA (Korea Information Security Agency) as a
485 national standard encryption algorithm of the Republic of Korea.
486 It is a 16 round block cipher with the key size of 128 bit.
487
488 See also:
489 <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
490
491config CRYPTO_SALSA20 458config CRYPTO_SALSA20
492 tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" 459 tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
493 depends on EXPERIMENTAL 460 depends on EXPERIMENTAL
@@ -529,69 +496,115 @@ config CRYPTO_SALSA20_X86_64
529 The Salsa20 stream cipher algorithm is designed by Daniel J. 496 The Salsa20 stream cipher algorithm is designed by Daniel J.
530 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> 497 Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
531 498
532config CRYPTO_DEFLATE 499config CRYPTO_SEED
533 tristate "Deflate compression algorithm" 500 tristate "SEED cipher algorithm"
534 select CRYPTO_ALGAPI 501 select CRYPTO_ALGAPI
535 select ZLIB_INFLATE
536 select ZLIB_DEFLATE
537 help 502 help
538 This is the Deflate algorithm (RFC1951), specified for use in 503 SEED cipher algorithm (RFC4269).
539 IPSec with the IPCOMP protocol (RFC3173, RFC2394).
540
541 You will most probably want this if using IPSec.
542 504
543config CRYPTO_MICHAEL_MIC 505 SEED is a 128-bit symmetric key block cipher that has been
544 tristate "Michael MIC keyed digest algorithm" 506 developed by KISA (Korea Information Security Agency) as a
507 national standard encryption algorithm of the Republic of Korea.
508 It is a 16 round block cipher with the key size of 128 bit.
509
510 See also:
511 <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
512
513config CRYPTO_SERPENT
514 tristate "Serpent cipher algorithm"
545 select CRYPTO_ALGAPI 515 select CRYPTO_ALGAPI
546 help 516 help
547 Michael MIC is used for message integrity protection in TKIP 517 Serpent cipher algorithm, by Anderson, Biham & Knudsen.
548 (IEEE 802.11i). This algorithm is required for TKIP, but it
549 should not be used for other purposes because of the weakness
550 of the algorithm.
551 518
552config CRYPTO_CRC32C 519 Keys are allowed to be from 0 to 256 bits in length, in steps
553 tristate "CRC32c CRC algorithm" 520 of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
521 variant of Serpent for compatibility with old kerneli.org code.
522
523 See also:
524 <http://www.cl.cam.ac.uk/~rja14/serpent.html>
525
526config CRYPTO_TEA
527 tristate "TEA, XTEA and XETA cipher algorithms"
554 select CRYPTO_ALGAPI 528 select CRYPTO_ALGAPI
555 select LIBCRC32C
556 help 529 help
557 Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used 530 TEA cipher algorithm.
558 by iSCSI for header and data digests and by others.
559 See Castagnoli93. This implementation uses lib/libcrc32c.
560 Module will be crc32c.
561 531
562config CRYPTO_CAMELLIA 532 Tiny Encryption Algorithm is a simple cipher that uses
563 tristate "Camellia cipher algorithms" 533 many rounds for security. It is very fast and uses
564 depends on CRYPTO 534 little memory.
535
536 Xtendend Tiny Encryption Algorithm is a modification to
537 the TEA algorithm to address a potential key weakness
538 in the TEA algorithm.
539
540 Xtendend Encryption Tiny Algorithm is a mis-implementation
541 of the XTEA algorithm for compatibility purposes.
542
543config CRYPTO_TWOFISH
544 tristate "Twofish cipher algorithm"
565 select CRYPTO_ALGAPI 545 select CRYPTO_ALGAPI
546 select CRYPTO_TWOFISH_COMMON
566 help 547 help
567 Camellia cipher algorithms module. 548 Twofish cipher algorithm.
568 549
569 Camellia is a symmetric key block cipher developed jointly 550 Twofish was submitted as an AES (Advanced Encryption Standard)
570 at NTT and Mitsubishi Electric Corporation. 551 candidate cipher by researchers at CounterPane Systems. It is a
552 16 round block cipher supporting key sizes of 128, 192, and 256
553 bits.
571 554
572 The Camellia specifies three key sizes: 128, 192 and 256 bits. 555 See also:
556 <http://www.schneier.com/twofish.html>
557
558config CRYPTO_TWOFISH_COMMON
559 tristate
560 help
561 Common parts of the Twofish cipher algorithm shared by the
562 generic c and the assembler implementations.
563
564config CRYPTO_TWOFISH_586
565 tristate "Twofish cipher algorithms (i586)"
566 depends on (X86 || UML_X86) && !64BIT
567 select CRYPTO_ALGAPI
568 select CRYPTO_TWOFISH_COMMON
569 help
570 Twofish cipher algorithm.
571
572 Twofish was submitted as an AES (Advanced Encryption Standard)
573 candidate cipher by researchers at CounterPane Systems. It is a
574 16 round block cipher supporting key sizes of 128, 192, and 256
575 bits.
573 576
574 See also: 577 See also:
575 <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> 578 <http://www.schneier.com/twofish.html>
576 579
577config CRYPTO_TEST 580config CRYPTO_TWOFISH_X86_64
578 tristate "Testing module" 581 tristate "Twofish cipher algorithm (x86_64)"
579 depends on m 582 depends on (X86 || UML_X86) && 64BIT
580 select CRYPTO_ALGAPI 583 select CRYPTO_ALGAPI
581 select CRYPTO_AEAD 584 select CRYPTO_TWOFISH_COMMON
582 select CRYPTO_BLKCIPHER
583 help 585 help
584 Quick & dirty crypto test module. 586 Twofish cipher algorithm (x86_64).
585 587
586config CRYPTO_AUTHENC 588 Twofish was submitted as an AES (Advanced Encryption Standard)
587 tristate "Authenc support" 589 candidate cipher by researchers at CounterPane Systems. It is a
588 select CRYPTO_AEAD 590 16 round block cipher supporting key sizes of 128, 192, and 256
589 select CRYPTO_BLKCIPHER 591 bits.
590 select CRYPTO_MANAGER 592
591 select CRYPTO_HASH 593 See also:
594 <http://www.schneier.com/twofish.html>
595
596comment "Compression"
597
598config CRYPTO_DEFLATE
599 tristate "Deflate compression algorithm"
600 select CRYPTO_ALGAPI
601 select ZLIB_INFLATE
602 select ZLIB_DEFLATE
592 help 603 help
593 Authenc: Combined mode wrapper for IPsec. 604 This is the Deflate algorithm (RFC1951), specified for use in
594 This is required for IPSec. 605 IPSec with the IPCOMP protocol (RFC3173, RFC2394).
606
607 You will most probably want this if using IPSec.
595 608
596config CRYPTO_LZO 609config CRYPTO_LZO
597 tristate "LZO compression algorithm" 610 tristate "LZO compression algorithm"