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