Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | # |
2 | # Cryptographic API Configuration | |
3 | # | |
4 | ||
5 | menu "Cryptographic options" | |
6 | ||
7 | config CRYPTO | |
8 | bool "Cryptographic API" | |
9 | help | |
10 | This option provides the core Cryptographic API. | |
11 | ||
cce9e06d HX |
12 | if CRYPTO |
13 | ||
14 | config CRYPTO_ALGAPI | |
15 | tristate | |
16 | help | |
17 | This option provides the API for cryptographic algorithms. | |
18 | ||
5cde0af2 HX |
19 | config CRYPTO_BLKCIPHER |
20 | tristate | |
21 | select CRYPTO_ALGAPI | |
22 | ||
055bcee3 HX |
23 | config CRYPTO_HASH |
24 | tristate | |
25 | select CRYPTO_ALGAPI | |
26 | ||
2b8c19db HX |
27 | config CRYPTO_MANAGER |
28 | tristate "Cryptographic algorithm manager" | |
29 | select CRYPTO_ALGAPI | |
2b8c19db HX |
30 | help |
31 | Create default cryptographic template instantiations such as | |
32 | cbc(aes). | |
33 | ||
1da177e4 | 34 | config CRYPTO_HMAC |
8425165d | 35 | tristate "HMAC support" |
0796ae06 | 36 | select CRYPTO_HASH |
43518407 | 37 | select CRYPTO_MANAGER |
1da177e4 LT |
38 | help |
39 | HMAC: Keyed-Hashing for Message Authentication (RFC2104). | |
40 | This is required for IPSec. | |
41 | ||
42 | config CRYPTO_NULL | |
43 | tristate "Null algorithms" | |
cce9e06d | 44 | select CRYPTO_ALGAPI |
1da177e4 LT |
45 | help |
46 | These are 'Null' algorithms, used by IPsec, which do nothing. | |
47 | ||
48 | config CRYPTO_MD4 | |
49 | tristate "MD4 digest algorithm" | |
cce9e06d | 50 | select CRYPTO_ALGAPI |
1da177e4 LT |
51 | help |
52 | MD4 message digest algorithm (RFC1320). | |
53 | ||
54 | config CRYPTO_MD5 | |
55 | tristate "MD5 digest algorithm" | |
cce9e06d | 56 | select CRYPTO_ALGAPI |
1da177e4 LT |
57 | help |
58 | MD5 message digest algorithm (RFC1321). | |
59 | ||
60 | config CRYPTO_SHA1 | |
61 | tristate "SHA1 digest algorithm" | |
cce9e06d | 62 | select CRYPTO_ALGAPI |
1da177e4 LT |
63 | help |
64 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). | |
65 | ||
c1e26e1e JG |
66 | config CRYPTO_SHA1_S390 |
67 | tristate "SHA1 digest algorithm (s390)" | |
cce9e06d HX |
68 | depends on S390 |
69 | select CRYPTO_ALGAPI | |
1da177e4 | 70 | help |
0a497c17 | 71 | This is the s390 hardware accelerated implementation of the |
1da177e4 LT |
72 | SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
73 | ||
74 | config CRYPTO_SHA256 | |
75 | tristate "SHA256 digest algorithm" | |
cce9e06d | 76 | select CRYPTO_ALGAPI |
1da177e4 LT |
77 | help |
78 | SHA256 secure hash standard (DFIPS 180-2). | |
79 | ||
80 | This version of SHA implements a 256 bit hash with 128 bits of | |
81 | security against collision attacks. | |
82 | ||
0a497c17 JG |
83 | config CRYPTO_SHA256_S390 |
84 | tristate "SHA256 digest algorithm (s390)" | |
cce9e06d HX |
85 | depends on S390 |
86 | select CRYPTO_ALGAPI | |
0a497c17 JG |
87 | help |
88 | This is the s390 hardware accelerated implementation of the | |
89 | SHA256 secure hash standard (DFIPS 180-2). | |
90 | ||
91 | This version of SHA implements a 256 bit hash with 128 bits of | |
92 | security against collision attacks. | |
93 | ||
1da177e4 LT |
94 | config CRYPTO_SHA512 |
95 | tristate "SHA384 and SHA512 digest algorithms" | |
cce9e06d | 96 | select CRYPTO_ALGAPI |
1da177e4 LT |
97 | help |
98 | SHA512 secure hash standard (DFIPS 180-2). | |
99 | ||
100 | This version of SHA implements a 512 bit hash with 256 bits of | |
101 | security against collision attacks. | |
102 | ||
103 | This code also includes SHA-384, a 384 bit hash with 192 bits | |
104 | of security against collision attacks. | |
105 | ||
106 | config CRYPTO_WP512 | |
107 | tristate "Whirlpool digest algorithms" | |
cce9e06d | 108 | select CRYPTO_ALGAPI |
1da177e4 LT |
109 | help |
110 | Whirlpool hash algorithm 512, 384 and 256-bit hashes | |
111 | ||
112 | Whirlpool-512 is part of the NESSIE cryptographic primitives. | |
113 | Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard | |
114 | ||
115 | See also: | |
116 | <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> | |
117 | ||
118 | config CRYPTO_TGR192 | |
119 | tristate "Tiger digest algorithms" | |
cce9e06d | 120 | select CRYPTO_ALGAPI |
1da177e4 LT |
121 | help |
122 | Tiger hash algorithm 192, 160 and 128-bit hashes | |
123 | ||
124 | Tiger is a hash function optimized for 64-bit processors while | |
125 | still having decent performance on 32-bit processors. | |
126 | Tiger was developed by Ross Anderson and Eli Biham. | |
127 | ||
128 | See also: | |
129 | <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. | |
130 | ||
db131ef9 HX |
131 | config CRYPTO_ECB |
132 | tristate "ECB support" | |
133 | select CRYPTO_BLKCIPHER | |
43518407 | 134 | select CRYPTO_MANAGER |
db131ef9 HX |
135 | default m |
136 | help | |
137 | ECB: Electronic CodeBook mode | |
138 | This is the simplest block cipher algorithm. It simply encrypts | |
139 | the input block by block. | |
140 | ||
141 | config CRYPTO_CBC | |
142 | tristate "CBC support" | |
143 | select CRYPTO_BLKCIPHER | |
43518407 | 144 | select CRYPTO_MANAGER |
db131ef9 HX |
145 | default m |
146 | help | |
147 | CBC: Cipher Block Chaining mode | |
148 | This block cipher algorithm is required for IPSec. | |
149 | ||
1da177e4 LT |
150 | config CRYPTO_DES |
151 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 152 | select CRYPTO_ALGAPI |
1da177e4 LT |
153 | help |
154 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). | |
155 | ||
c1e26e1e JG |
156 | config CRYPTO_DES_S390 |
157 | tristate "DES and Triple DES cipher algorithms (s390)" | |
cce9e06d HX |
158 | depends on S390 |
159 | select CRYPTO_ALGAPI | |
a9e62fad | 160 | select CRYPTO_BLKCIPHER |
1da177e4 LT |
161 | help |
162 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). | |
163 | ||
164 | config CRYPTO_BLOWFISH | |
165 | tristate "Blowfish cipher algorithm" | |
cce9e06d | 166 | select CRYPTO_ALGAPI |
1da177e4 LT |
167 | help |
168 | Blowfish cipher algorithm, by Bruce Schneier. | |
169 | ||
170 | This is a variable key length cipher which can use keys from 32 | |
171 | bits to 448 bits in length. It's fast, simple and specifically | |
172 | designed for use on "large microprocessors". | |
173 | ||
174 | See also: | |
175 | <http://www.schneier.com/blowfish.html> | |
176 | ||
177 | config CRYPTO_TWOFISH | |
178 | tristate "Twofish cipher algorithm" | |
cce9e06d | 179 | select CRYPTO_ALGAPI |
2729bb42 | 180 | select CRYPTO_TWOFISH_COMMON |
1da177e4 LT |
181 | help |
182 | Twofish cipher algorithm. | |
183 | ||
184 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
185 | candidate cipher by researchers at CounterPane Systems. It is a | |
186 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
187 | bits. | |
188 | ||
189 | See also: | |
190 | <http://www.schneier.com/twofish.html> | |
191 | ||
2729bb42 JF |
192 | config CRYPTO_TWOFISH_COMMON |
193 | tristate | |
2729bb42 JF |
194 | help |
195 | Common parts of the Twofish cipher algorithm shared by the | |
196 | generic c and the assembler implementations. | |
197 | ||
b9f535ff JF |
198 | config CRYPTO_TWOFISH_586 |
199 | tristate "Twofish cipher algorithms (i586)" | |
cce9e06d HX |
200 | depends on (X86 || UML_X86) && !64BIT |
201 | select CRYPTO_ALGAPI | |
b9f535ff JF |
202 | select CRYPTO_TWOFISH_COMMON |
203 | help | |
204 | Twofish cipher algorithm. | |
205 | ||
206 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
207 | candidate cipher by researchers at CounterPane Systems. It is a | |
208 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
209 | bits. | |
210 | ||
211 | See also: | |
212 | <http://www.schneier.com/twofish.html> | |
213 | ||
eaf44088 JF |
214 | config CRYPTO_TWOFISH_X86_64 |
215 | tristate "Twofish cipher algorithm (x86_64)" | |
cce9e06d HX |
216 | depends on (X86 || UML_X86) && 64BIT |
217 | select CRYPTO_ALGAPI | |
eaf44088 JF |
218 | select CRYPTO_TWOFISH_COMMON |
219 | help | |
220 | Twofish cipher algorithm (x86_64). | |
221 | ||
222 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
223 | candidate cipher by researchers at CounterPane Systems. It is a | |
224 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
225 | bits. | |
226 | ||
227 | See also: | |
228 | <http://www.schneier.com/twofish.html> | |
229 | ||
1da177e4 LT |
230 | config CRYPTO_SERPENT |
231 | tristate "Serpent cipher algorithm" | |
cce9e06d | 232 | select CRYPTO_ALGAPI |
1da177e4 LT |
233 | help |
234 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. | |
235 | ||
236 | Keys are allowed to be from 0 to 256 bits in length, in steps | |
237 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
238 | variant of Serpent for compatibility with old kerneli code. | |
239 | ||
240 | See also: | |
241 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
242 | ||
243 | config CRYPTO_AES | |
244 | tristate "AES cipher algorithms" | |
cce9e06d | 245 | select CRYPTO_ALGAPI |
1da177e4 LT |
246 | help |
247 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
248 | algorithm. | |
249 | ||
250 | Rijndael appears to be consistently a very good performer in | |
251 | both hardware and software across a wide range of computing | |
252 | environments regardless of its use in feedback or non-feedback | |
253 | modes. Its key setup time is excellent, and its key agility is | |
254 | good. Rijndael's very low memory requirements make it very well | |
255 | suited for restricted-space environments, in which it also | |
256 | demonstrates excellent performance. Rijndael's operations are | |
257 | among the easiest to defend against power and timing attacks. | |
258 | ||
259 | The AES specifies three key sizes: 128, 192 and 256 bits | |
260 | ||
261 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
262 | ||
263 | config CRYPTO_AES_586 | |
264 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
265 | depends on (X86 || UML_X86) && !64BIT |
266 | select CRYPTO_ALGAPI | |
1da177e4 LT |
267 | help |
268 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
269 | algorithm. | |
270 | ||
271 | Rijndael appears to be consistently a very good performer in | |
272 | both hardware and software across a wide range of computing | |
273 | environments regardless of its use in feedback or non-feedback | |
274 | modes. Its key setup time is excellent, and its key agility is | |
275 | good. Rijndael's very low memory requirements make it very well | |
276 | suited for restricted-space environments, in which it also | |
277 | demonstrates excellent performance. Rijndael's operations are | |
278 | among the easiest to defend against power and timing attacks. | |
279 | ||
280 | The AES specifies three key sizes: 128, 192 and 256 bits | |
a2a892a2 AS |
281 | |
282 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
283 | ||
284 | config CRYPTO_AES_X86_64 | |
285 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
286 | depends on (X86 || UML_X86) && 64BIT |
287 | select CRYPTO_ALGAPI | |
a2a892a2 AS |
288 | help |
289 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
290 | algorithm. | |
291 | ||
292 | Rijndael appears to be consistently a very good performer in | |
293 | both hardware and software across a wide range of computing | |
294 | environments regardless of its use in feedback or non-feedback | |
295 | modes. Its key setup time is excellent, and its key agility is | |
296 | good. Rijndael's very low memory requirements make it very well | |
297 | suited for restricted-space environments, in which it also | |
298 | demonstrates excellent performance. Rijndael's operations are | |
299 | among the easiest to defend against power and timing attacks. | |
300 | ||
301 | The AES specifies three key sizes: 128, 192 and 256 bits | |
1da177e4 LT |
302 | |
303 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
304 | ||
bf754ae8 JG |
305 | config CRYPTO_AES_S390 |
306 | tristate "AES cipher algorithms (s390)" | |
cce9e06d HX |
307 | depends on S390 |
308 | select CRYPTO_ALGAPI | |
a9e62fad | 309 | select CRYPTO_BLKCIPHER |
bf754ae8 JG |
310 | help |
311 | This is the s390 hardware accelerated implementation of the | |
312 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
313 | algorithm. | |
314 | ||
315 | Rijndael appears to be consistently a very good performer in | |
316 | both hardware and software across a wide range of computing | |
317 | environments regardless of its use in feedback or non-feedback | |
318 | modes. Its key setup time is excellent, and its key agility is | |
319 | good. Rijndael's very low memory requirements make it very well | |
320 | suited for restricted-space environments, in which it also | |
321 | demonstrates excellent performance. Rijndael's operations are | |
322 | among the easiest to defend against power and timing attacks. | |
323 | ||
324 | On s390 the System z9-109 currently only supports the key size | |
325 | of 128 bit. | |
326 | ||
1da177e4 LT |
327 | config CRYPTO_CAST5 |
328 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 329 | select CRYPTO_ALGAPI |
1da177e4 LT |
330 | help |
331 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
332 | described in RFC2144. | |
333 | ||
334 | config CRYPTO_CAST6 | |
335 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 336 | select CRYPTO_ALGAPI |
1da177e4 LT |
337 | help |
338 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
339 | described in RFC2612. | |
340 | ||
341 | config CRYPTO_TEA | |
fb4f10ed | 342 | tristate "TEA, XTEA and XETA cipher algorithms" |
cce9e06d | 343 | select CRYPTO_ALGAPI |
1da177e4 LT |
344 | help |
345 | TEA cipher algorithm. | |
346 | ||
347 | Tiny Encryption Algorithm is a simple cipher that uses | |
348 | many rounds for security. It is very fast and uses | |
349 | little memory. | |
350 | ||
351 | Xtendend Tiny Encryption Algorithm is a modification to | |
352 | the TEA algorithm to address a potential key weakness | |
353 | in the TEA algorithm. | |
354 | ||
fb4f10ed AG |
355 | Xtendend Encryption Tiny Algorithm is a mis-implementation |
356 | of the XTEA algorithm for compatibility purposes. | |
357 | ||
1da177e4 LT |
358 | config CRYPTO_ARC4 |
359 | tristate "ARC4 cipher algorithm" | |
cce9e06d | 360 | select CRYPTO_ALGAPI |
1da177e4 LT |
361 | help |
362 | ARC4 cipher algorithm. | |
363 | ||
364 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
365 | bits in length. This algorithm is required for driver-based | |
366 | WEP, but it should not be for other purposes because of the | |
367 | weakness of the algorithm. | |
368 | ||
369 | config CRYPTO_KHAZAD | |
370 | tristate "Khazad cipher algorithm" | |
cce9e06d | 371 | select CRYPTO_ALGAPI |
1da177e4 LT |
372 | help |
373 | Khazad cipher algorithm. | |
374 | ||
375 | Khazad was a finalist in the initial NESSIE competition. It is | |
376 | an algorithm optimized for 64-bit processors with good performance | |
377 | on 32-bit processors. Khazad uses an 128 bit key size. | |
378 | ||
379 | See also: | |
380 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
381 | ||
382 | config CRYPTO_ANUBIS | |
383 | tristate "Anubis cipher algorithm" | |
cce9e06d | 384 | select CRYPTO_ALGAPI |
1da177e4 LT |
385 | help |
386 | Anubis cipher algorithm. | |
387 | ||
388 | Anubis is a variable key length cipher which can use keys from | |
389 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
390 | in the NESSIE competition. | |
391 | ||
392 | See also: | |
393 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
394 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
395 | ||
396 | ||
397 | config CRYPTO_DEFLATE | |
398 | tristate "Deflate compression algorithm" | |
cce9e06d | 399 | select CRYPTO_ALGAPI |
1da177e4 LT |
400 | select ZLIB_INFLATE |
401 | select ZLIB_DEFLATE | |
402 | help | |
403 | This is the Deflate algorithm (RFC1951), specified for use in | |
404 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
405 | ||
406 | You will most probably want this if using IPSec. | |
407 | ||
408 | config CRYPTO_MICHAEL_MIC | |
409 | tristate "Michael MIC keyed digest algorithm" | |
cce9e06d | 410 | select CRYPTO_ALGAPI |
1da177e4 LT |
411 | help |
412 | Michael MIC is used for message integrity protection in TKIP | |
413 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
414 | should not be used for other purposes because of the weakness | |
415 | of the algorithm. | |
416 | ||
417 | config CRYPTO_CRC32C | |
418 | tristate "CRC32c CRC algorithm" | |
cce9e06d | 419 | select CRYPTO_ALGAPI |
1da177e4 LT |
420 | select LIBCRC32C |
421 | help | |
422 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used | |
423 | by iSCSI for header and data digests and by others. | |
424 | See Castagnoli93. This implementation uses lib/libcrc32c. | |
425 | Module will be crc32c. | |
426 | ||
427 | config CRYPTO_TEST | |
428 | tristate "Testing module" | |
cce9e06d HX |
429 | depends on m |
430 | select CRYPTO_ALGAPI | |
1da177e4 LT |
431 | help |
432 | Quick & dirty crypto test module. | |
433 | ||
434 | source "drivers/crypto/Kconfig" | |
1da177e4 | 435 | |
cce9e06d HX |
436 | endif # if CRYPTO |
437 | ||
438 | endmenu |