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 | |
30 | default m | |
31 | help | |
32 | Create default cryptographic template instantiations such as | |
33 | cbc(aes). | |
34 | ||
1da177e4 LT |
35 | config CRYPTO_HMAC |
36 | bool "HMAC support" | |
0796ae06 | 37 | select CRYPTO_HASH |
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 | |
134 | default m | |
135 | help | |
136 | ECB: Electronic CodeBook mode | |
137 | This is the simplest block cipher algorithm. It simply encrypts | |
138 | the input block by block. | |
139 | ||
140 | config CRYPTO_CBC | |
141 | tristate "CBC support" | |
142 | select CRYPTO_BLKCIPHER | |
143 | default m | |
144 | help | |
145 | CBC: Cipher Block Chaining mode | |
146 | This block cipher algorithm is required for IPSec. | |
147 | ||
1da177e4 LT |
148 | config CRYPTO_DES |
149 | tristate "DES and Triple DES EDE cipher algorithms" | |
cce9e06d | 150 | select CRYPTO_ALGAPI |
1da177e4 LT |
151 | help |
152 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). | |
153 | ||
c1e26e1e JG |
154 | config CRYPTO_DES_S390 |
155 | tristate "DES and Triple DES cipher algorithms (s390)" | |
cce9e06d HX |
156 | depends on S390 |
157 | select CRYPTO_ALGAPI | |
a9e62fad | 158 | select CRYPTO_BLKCIPHER |
1da177e4 LT |
159 | help |
160 | DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). | |
161 | ||
162 | config CRYPTO_BLOWFISH | |
163 | tristate "Blowfish cipher algorithm" | |
cce9e06d | 164 | select CRYPTO_ALGAPI |
1da177e4 LT |
165 | help |
166 | Blowfish cipher algorithm, by Bruce Schneier. | |
167 | ||
168 | This is a variable key length cipher which can use keys from 32 | |
169 | bits to 448 bits in length. It's fast, simple and specifically | |
170 | designed for use on "large microprocessors". | |
171 | ||
172 | See also: | |
173 | <http://www.schneier.com/blowfish.html> | |
174 | ||
175 | config CRYPTO_TWOFISH | |
176 | tristate "Twofish cipher algorithm" | |
cce9e06d | 177 | select CRYPTO_ALGAPI |
2729bb42 | 178 | select CRYPTO_TWOFISH_COMMON |
1da177e4 LT |
179 | help |
180 | Twofish cipher algorithm. | |
181 | ||
182 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
183 | candidate cipher by researchers at CounterPane Systems. It is a | |
184 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
185 | bits. | |
186 | ||
187 | See also: | |
188 | <http://www.schneier.com/twofish.html> | |
189 | ||
2729bb42 JF |
190 | config CRYPTO_TWOFISH_COMMON |
191 | tristate | |
2729bb42 JF |
192 | help |
193 | Common parts of the Twofish cipher algorithm shared by the | |
194 | generic c and the assembler implementations. | |
195 | ||
b9f535ff JF |
196 | config CRYPTO_TWOFISH_586 |
197 | tristate "Twofish cipher algorithms (i586)" | |
cce9e06d HX |
198 | depends on (X86 || UML_X86) && !64BIT |
199 | select CRYPTO_ALGAPI | |
b9f535ff JF |
200 | select CRYPTO_TWOFISH_COMMON |
201 | help | |
202 | Twofish cipher algorithm. | |
203 | ||
204 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
205 | candidate cipher by researchers at CounterPane Systems. It is a | |
206 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
207 | bits. | |
208 | ||
209 | See also: | |
210 | <http://www.schneier.com/twofish.html> | |
211 | ||
eaf44088 JF |
212 | config CRYPTO_TWOFISH_X86_64 |
213 | tristate "Twofish cipher algorithm (x86_64)" | |
cce9e06d HX |
214 | depends on (X86 || UML_X86) && 64BIT |
215 | select CRYPTO_ALGAPI | |
eaf44088 JF |
216 | select CRYPTO_TWOFISH_COMMON |
217 | help | |
218 | Twofish cipher algorithm (x86_64). | |
219 | ||
220 | Twofish was submitted as an AES (Advanced Encryption Standard) | |
221 | candidate cipher by researchers at CounterPane Systems. It is a | |
222 | 16 round block cipher supporting key sizes of 128, 192, and 256 | |
223 | bits. | |
224 | ||
225 | See also: | |
226 | <http://www.schneier.com/twofish.html> | |
227 | ||
1da177e4 LT |
228 | config CRYPTO_SERPENT |
229 | tristate "Serpent cipher algorithm" | |
cce9e06d | 230 | select CRYPTO_ALGAPI |
1da177e4 LT |
231 | help |
232 | Serpent cipher algorithm, by Anderson, Biham & Knudsen. | |
233 | ||
234 | Keys are allowed to be from 0 to 256 bits in length, in steps | |
235 | of 8 bits. Also includes the 'Tnepres' algorithm, a reversed | |
236 | variant of Serpent for compatibility with old kerneli code. | |
237 | ||
238 | See also: | |
239 | <http://www.cl.cam.ac.uk/~rja14/serpent.html> | |
240 | ||
241 | config CRYPTO_AES | |
242 | tristate "AES cipher algorithms" | |
cce9e06d | 243 | select CRYPTO_ALGAPI |
1da177e4 LT |
244 | help |
245 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
246 | algorithm. | |
247 | ||
248 | Rijndael appears to be consistently a very good performer in | |
249 | both hardware and software across a wide range of computing | |
250 | environments regardless of its use in feedback or non-feedback | |
251 | modes. Its key setup time is excellent, and its key agility is | |
252 | good. Rijndael's very low memory requirements make it very well | |
253 | suited for restricted-space environments, in which it also | |
254 | demonstrates excellent performance. Rijndael's operations are | |
255 | among the easiest to defend against power and timing attacks. | |
256 | ||
257 | The AES specifies three key sizes: 128, 192 and 256 bits | |
258 | ||
259 | See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. | |
260 | ||
261 | config CRYPTO_AES_586 | |
262 | tristate "AES cipher algorithms (i586)" | |
cce9e06d HX |
263 | depends on (X86 || UML_X86) && !64BIT |
264 | select CRYPTO_ALGAPI | |
1da177e4 LT |
265 | help |
266 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
267 | algorithm. | |
268 | ||
269 | Rijndael appears to be consistently a very good performer in | |
270 | both hardware and software across a wide range of computing | |
271 | environments regardless of its use in feedback or non-feedback | |
272 | modes. Its key setup time is excellent, and its key agility is | |
273 | good. Rijndael's very low memory requirements make it very well | |
274 | suited for restricted-space environments, in which it also | |
275 | demonstrates excellent performance. Rijndael's operations are | |
276 | among the easiest to defend against power and timing attacks. | |
277 | ||
278 | The AES specifies three key sizes: 128, 192 and 256 bits | |
a2a892a2 AS |
279 | |
280 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
281 | ||
282 | config CRYPTO_AES_X86_64 | |
283 | tristate "AES cipher algorithms (x86_64)" | |
cce9e06d HX |
284 | depends on (X86 || UML_X86) && 64BIT |
285 | select CRYPTO_ALGAPI | |
a2a892a2 AS |
286 | help |
287 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
288 | algorithm. | |
289 | ||
290 | Rijndael appears to be consistently a very good performer in | |
291 | both hardware and software across a wide range of computing | |
292 | environments regardless of its use in feedback or non-feedback | |
293 | modes. Its key setup time is excellent, and its key agility is | |
294 | good. Rijndael's very low memory requirements make it very well | |
295 | suited for restricted-space environments, in which it also | |
296 | demonstrates excellent performance. Rijndael's operations are | |
297 | among the easiest to defend against power and timing attacks. | |
298 | ||
299 | The AES specifies three key sizes: 128, 192 and 256 bits | |
1da177e4 LT |
300 | |
301 | See <http://csrc.nist.gov/encryption/aes/> for more information. | |
302 | ||
bf754ae8 JG |
303 | config CRYPTO_AES_S390 |
304 | tristate "AES cipher algorithms (s390)" | |
cce9e06d HX |
305 | depends on S390 |
306 | select CRYPTO_ALGAPI | |
a9e62fad | 307 | select CRYPTO_BLKCIPHER |
bf754ae8 JG |
308 | help |
309 | This is the s390 hardware accelerated implementation of the | |
310 | AES cipher algorithms (FIPS-197). AES uses the Rijndael | |
311 | algorithm. | |
312 | ||
313 | Rijndael appears to be consistently a very good performer in | |
314 | both hardware and software across a wide range of computing | |
315 | environments regardless of its use in feedback or non-feedback | |
316 | modes. Its key setup time is excellent, and its key agility is | |
317 | good. Rijndael's very low memory requirements make it very well | |
318 | suited for restricted-space environments, in which it also | |
319 | demonstrates excellent performance. Rijndael's operations are | |
320 | among the easiest to defend against power and timing attacks. | |
321 | ||
322 | On s390 the System z9-109 currently only supports the key size | |
323 | of 128 bit. | |
324 | ||
1da177e4 LT |
325 | config CRYPTO_CAST5 |
326 | tristate "CAST5 (CAST-128) cipher algorithm" | |
cce9e06d | 327 | select CRYPTO_ALGAPI |
1da177e4 LT |
328 | help |
329 | The CAST5 encryption algorithm (synonymous with CAST-128) is | |
330 | described in RFC2144. | |
331 | ||
332 | config CRYPTO_CAST6 | |
333 | tristate "CAST6 (CAST-256) cipher algorithm" | |
cce9e06d | 334 | select CRYPTO_ALGAPI |
1da177e4 LT |
335 | help |
336 | The CAST6 encryption algorithm (synonymous with CAST-256) is | |
337 | described in RFC2612. | |
338 | ||
339 | config CRYPTO_TEA | |
fb4f10ed | 340 | tristate "TEA, XTEA and XETA cipher algorithms" |
cce9e06d | 341 | select CRYPTO_ALGAPI |
1da177e4 LT |
342 | help |
343 | TEA cipher algorithm. | |
344 | ||
345 | Tiny Encryption Algorithm is a simple cipher that uses | |
346 | many rounds for security. It is very fast and uses | |
347 | little memory. | |
348 | ||
349 | Xtendend Tiny Encryption Algorithm is a modification to | |
350 | the TEA algorithm to address a potential key weakness | |
351 | in the TEA algorithm. | |
352 | ||
fb4f10ed AG |
353 | Xtendend Encryption Tiny Algorithm is a mis-implementation |
354 | of the XTEA algorithm for compatibility purposes. | |
355 | ||
1da177e4 LT |
356 | config CRYPTO_ARC4 |
357 | tristate "ARC4 cipher algorithm" | |
cce9e06d | 358 | select CRYPTO_ALGAPI |
1da177e4 LT |
359 | help |
360 | ARC4 cipher algorithm. | |
361 | ||
362 | ARC4 is a stream cipher using keys ranging from 8 bits to 2048 | |
363 | bits in length. This algorithm is required for driver-based | |
364 | WEP, but it should not be for other purposes because of the | |
365 | weakness of the algorithm. | |
366 | ||
367 | config CRYPTO_KHAZAD | |
368 | tristate "Khazad cipher algorithm" | |
cce9e06d | 369 | select CRYPTO_ALGAPI |
1da177e4 LT |
370 | help |
371 | Khazad cipher algorithm. | |
372 | ||
373 | Khazad was a finalist in the initial NESSIE competition. It is | |
374 | an algorithm optimized for 64-bit processors with good performance | |
375 | on 32-bit processors. Khazad uses an 128 bit key size. | |
376 | ||
377 | See also: | |
378 | <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> | |
379 | ||
380 | config CRYPTO_ANUBIS | |
381 | tristate "Anubis cipher algorithm" | |
cce9e06d | 382 | select CRYPTO_ALGAPI |
1da177e4 LT |
383 | help |
384 | Anubis cipher algorithm. | |
385 | ||
386 | Anubis is a variable key length cipher which can use keys from | |
387 | 128 bits to 320 bits in length. It was evaluated as a entrant | |
388 | in the NESSIE competition. | |
389 | ||
390 | See also: | |
391 | <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> | |
392 | <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> | |
393 | ||
394 | ||
395 | config CRYPTO_DEFLATE | |
396 | tristate "Deflate compression algorithm" | |
cce9e06d | 397 | select CRYPTO_ALGAPI |
1da177e4 LT |
398 | select ZLIB_INFLATE |
399 | select ZLIB_DEFLATE | |
400 | help | |
401 | This is the Deflate algorithm (RFC1951), specified for use in | |
402 | IPSec with the IPCOMP protocol (RFC3173, RFC2394). | |
403 | ||
404 | You will most probably want this if using IPSec. | |
405 | ||
406 | config CRYPTO_MICHAEL_MIC | |
407 | tristate "Michael MIC keyed digest algorithm" | |
cce9e06d | 408 | select CRYPTO_ALGAPI |
1da177e4 LT |
409 | help |
410 | Michael MIC is used for message integrity protection in TKIP | |
411 | (IEEE 802.11i). This algorithm is required for TKIP, but it | |
412 | should not be used for other purposes because of the weakness | |
413 | of the algorithm. | |
414 | ||
415 | config CRYPTO_CRC32C | |
416 | tristate "CRC32c CRC algorithm" | |
cce9e06d | 417 | select CRYPTO_ALGAPI |
1da177e4 LT |
418 | select LIBCRC32C |
419 | help | |
420 | Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used | |
421 | by iSCSI for header and data digests and by others. | |
422 | See Castagnoli93. This implementation uses lib/libcrc32c. | |
423 | Module will be crc32c. | |
424 | ||
425 | config CRYPTO_TEST | |
426 | tristate "Testing module" | |
cce9e06d HX |
427 | depends on m |
428 | select CRYPTO_ALGAPI | |
1da177e4 LT |
429 | help |
430 | Quick & dirty crypto test module. | |
431 | ||
432 | source "drivers/crypto/Kconfig" | |
1da177e4 | 433 | |
cce9e06d HX |
434 | endif # if CRYPTO |
435 | ||
436 | endmenu |