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