crypto/Kconfig

   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
  12 if CRYPTO
  13
  14 config CRYPTO_ALGAPI
  15         tristate
  16         help
  17           This option provides the API for cryptographic algorithms.
  18
  19 config CRYPTO_BLKCIPHER
  20         tristate
  21         select CRYPTO_ALGAPI
  22
  23 config CRYPTO_HASH
  24         tristate
  25         select CRYPTO_ALGAPI
  26
  27 config CRYPTO_MANAGER
  28         tristate "Cryptographic algorithm manager"
  29         select CRYPTO_ALGAPI
  30         help
  31           Create default cryptographic template instantiations such as
  32           cbc(aes).
  33
  34 config CRYPTO_HMAC
  35         tristate "HMAC support"
  36         select CRYPTO_HASH
  37         select CRYPTO_MANAGER
  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"
  44         select CRYPTO_ALGAPI
  45         help
  46           These are 'Null' algorithms, used by IPsec, which do nothing.
  47
  48 config CRYPTO_MD4
  49         tristate "MD4 digest algorithm"
  50         select CRYPTO_ALGAPI
  51         help
  52           MD4 message digest algorithm (RFC1320).
  53
  54 config CRYPTO_MD5
  55         tristate "MD5 digest algorithm"
  56         select CRYPTO_ALGAPI
  57         help
  58           MD5 message digest algorithm (RFC1321).
  59
  60 config CRYPTO_SHA1
  61         tristate "SHA1 digest algorithm"
  62         select CRYPTO_ALGAPI
  63         help
  64           SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
  65
  66 config CRYPTO_SHA1_S390
  67         tristate "SHA1 digest algorithm (s390)"
  68         depends on S390
  69         select CRYPTO_ALGAPI
  70         help
  71           This is the s390 hardware accelerated implementation of the
  72           SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
  73
  74 config CRYPTO_SHA256
  75         tristate "SHA256 digest algorithm"
  76         select CRYPTO_ALGAPI
  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
  83 config CRYPTO_SHA256_S390
  84         tristate "SHA256 digest algorithm (s390)"
  85         depends on S390
  86         select CRYPTO_ALGAPI
  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
  94 config CRYPTO_SHA512
  95         tristate "SHA384 and SHA512 digest algorithms"
  96         select CRYPTO_ALGAPI
  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"
 108         select CRYPTO_ALGAPI
 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"
 120         select CRYPTO_ALGAPI
 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
 131 config CRYPTO_ECB
 132         tristate "ECB support"
 133         select CRYPTO_BLKCIPHER
 134         select CRYPTO_MANAGER
 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
 144         select CRYPTO_MANAGER
 145         default m
 146         help
 147           CBC: Cipher Block Chaining mode
 148           This block cipher algorithm is required for IPSec.
 149
 150 config CRYPTO_DES
 151         tristate "DES and Triple DES EDE cipher algorithms"
 152         select CRYPTO_ALGAPI
 153         help
 154           DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
 155
 156 config CRYPTO_DES_S390
 157         tristate "DES and Triple DES cipher algorithms (s390)"
 158         depends on S390
 159         select CRYPTO_ALGAPI
 160         select CRYPTO_BLKCIPHER
 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"
 166         select CRYPTO_ALGAPI
 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"
 179         select CRYPTO_ALGAPI
 180         select CRYPTO_TWOFISH_COMMON
 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
 192 config CRYPTO_TWOFISH_COMMON
 193         tristate
 194         help
 195           Common parts of the Twofish cipher algorithm shared by the
 196           generic c and the assembler implementations.
 197
 198 config CRYPTO_TWOFISH_586
 199         tristate "Twofish cipher algorithms (i586)"
 200         depends on (X86 || UML_X86) && !64BIT
 201         select CRYPTO_ALGAPI
 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
 214 config CRYPTO_TWOFISH_X86_64
 215         tristate "Twofish cipher algorithm (x86_64)"
 216         depends on (X86 || UML_X86) && 64BIT
 217         select CRYPTO_ALGAPI
 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
 230 config CRYPTO_SERPENT
 231         tristate "Serpent cipher algorithm"
 232         select CRYPTO_ALGAPI
 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"
 245         select CRYPTO_ALGAPI
 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)"
 265         depends on (X86 || UML_X86) && !64BIT
 266         select CRYPTO_ALGAPI
 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
 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)"
 286         depends on (X86 || UML_X86) && 64BIT
 287         select CRYPTO_ALGAPI
 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
 302
 303           See <http://csrc.nist.gov/encryption/aes/> for more information.
 304
 305 config CRYPTO_AES_S390
 306         tristate "AES cipher algorithms (s390)"
 307         depends on S390
 308         select CRYPTO_ALGAPI
 309         select CRYPTO_BLKCIPHER
 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
 327 config CRYPTO_CAST5
 328         tristate "CAST5 (CAST-128) cipher algorithm"
 329         select CRYPTO_ALGAPI
 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"
 336         select CRYPTO_ALGAPI
 337         help
 338           The CAST6 encryption algorithm (synonymous with CAST-256) is
 339           described in RFC2612.
 340
 341 config CRYPTO_TEA
 342         tristate "TEA, XTEA and XETA cipher algorithms"
 343         select CRYPTO_ALGAPI
 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
 355           Xtendend Encryption Tiny Algorithm is a mis-implementation
 356           of the XTEA algorithm for compatibility purposes.
 357
 358 config CRYPTO_ARC4
 359         tristate "ARC4 cipher algorithm"
 360         select CRYPTO_ALGAPI
 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"
 371         select CRYPTO_ALGAPI
 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"
 384         select CRYPTO_ALGAPI
 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"
 399         select CRYPTO_ALGAPI
 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"
 410         select CRYPTO_ALGAPI
 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"
 419         select CRYPTO_ALGAPI
 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"
 429         depends on m
 430         select CRYPTO_ALGAPI
 431         help
 432           Quick & dirty crypto test module.
 433
 434 source "drivers/crypto/Kconfig"
 435
 436 endif   # if CRYPTO
 437
 438 endmenu