LXR RHEL4/crypto/Kconfig

   1#
   2# Cryptographic API Configuration
   3#
   4
   5menu "Cryptographic options"
   6
   7config CRYPTO
   8        bool "Cryptographic API"
   9        help
  10          This option provides the core Cryptographic API.
  11
  12config CRYPTO_HMAC
  13        bool "HMAC support"
  14        depends on CRYPTO
  15        help
  16          HMAC: Keyed-Hashing for Message Authentication (RFC2104).
  17          This is required for IPSec.
  18
  19config CRYPTO_NULL
  20        tristate "Null algorithms"
  21        depends on CRYPTO
  22        help
  23          These are 'Null' algorithms, used by IPsec, which do nothing.
  24
  25config CRYPTO_MD4
  26        tristate "MD4 digest algorithm"
  27        depends on CRYPTO
  28        help
  29          MD4 message digest algorithm (RFC1320).
  30
  31config CRYPTO_MD5
  32        tristate "MD5 digest algorithm"
  33        depends on CRYPTO
  34        help
  35          MD5 message digest algorithm (RFC1321).
  36
  37config CRYPTO_SHA1
  38        tristate "SHA1 digest algorithm"
  39        depends on CRYPTO
  40        help
  41          SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
  42
  43config CRYPTO_SHA1_Z990
  44        tristate "SHA1 digest algorithm for IBM zSeries z990"
  45        depends on CRYPTO && ARCH_S390
  46        help
  47          SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
  48
  49config CRYPTO_SHA256
  50        tristate "SHA256 digest algorithm"
  51        depends on CRYPTO
  52        help
  53          SHA256 secure hash standard (DFIPS 180-2).
  54          
  55          This version of SHA implements a 256 bit hash with 128 bits of
  56          security against collision attacks.
  57
  58config CRYPTO_SHA512
  59        tristate "SHA384 and SHA512 digest algorithms"
  60        depends on CRYPTO
  61        help
  62          SHA512 secure hash standard (DFIPS 180-2).
  63          
  64          This version of SHA implements a 512 bit hash with 256 bits of
  65          security against collision attacks.
  66
  67          This code also includes SHA-384, a 384 bit hash with 192 bits
  68          of security against collision attacks.
  69
  70config CRYPTO_WP512
  71        tristate "Whirlpool digest algorithms"
  72        depends on CRYPTO
  73        help
  74          Whirlpool hash algorithm 512, 384 and 256-bit hashes
  75
  76          Whirlpool-512 is part of the NESSIE cryptographic primtives.
  77          Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
  78
  79          See also:
  80          http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html
  81
  82config CRYPTO_DES
  83        tristate "DES and Triple DES EDE cipher algorithms"
  84        depends on CRYPTO
  85        help
  86          DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
  87
  88config CRYPTO_DES_Z990
  89        tristate "DES and Triple DES cipher algorithms for IBM zSeries z990"
  90        depends on CRYPTO && ARCH_S390
  91        help
  92          DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
  93
  94config CRYPTO_BLOWFISH
  95        tristate "Blowfish cipher algorithm"
  96        depends on CRYPTO
  97        help
  98          Blowfish cipher algorithm, by Bruce Schneier.
  99          
 100          This is a variable key length cipher which can use keys from 32
 101          bits to 448 bits in length.  It's fast, simple and specifically
 102          designed for use on "large microprocessors".
 103          
 104          See also:
 105          http://www.schneier.com/blowfish.html
 106
 107config CRYPTO_TWOFISH
 108        tristate "Twofish cipher algorithm"
 109        depends on CRYPTO
 110        help
 111          Twofish cipher algorithm.
 112          
 113          Twofish was submitted as an AES (Advanced Encryption Standard)
 114          candidate cipher by researchers at CounterPane Systems.  It is a
 115          16 round block cipher supporting key sizes of 128, 192, and 256
 116          bits.
 117          
 118          See also:
 119          http://www.schneier.com/twofish.html
 120
 121config CRYPTO_SERPENT
 122        tristate "Serpent cipher algorithm"
 123        depends on CRYPTO
 124        help
 125          Serpent cipher algorithm, by Anderson, Biham & Knudsen.
 126
 127          Keys are allowed to be from 0 to 256 bits in length, in steps
 128          of 8 bits.
 129
 130          See also:
 131          http://www.cl.cam.ac.uk/~rja14/serpent.html
 132
 133config CRYPTO_AES
 134        tristate "AES cipher algorithms"
 135        depends on CRYPTO && !(X86 && !X86_64)
 136        help
 137          AES cipher algorithms (FIPS-197). AES uses the Rijndael 
 138          algorithm.
 139
 140          Rijndael appears to be consistently a very good performer in
 141          both hardware and software across a wide range of computing 
 142          environments regardless of its use in feedback or non-feedback 
 143          modes. Its key setup time is excellent, and its key agility is 
 144          good. Rijndael's very low memory requirements make it very well 
 145          suited for restricted-space environments, in which it also 
 146          demonstrates excellent performance. Rijndael's operations are 
 147          among the easiest to defend against power and timing attacks. 
 148
 149          The AES specifies three key sizes: 128, 192 and 256 bits        
 150
 151          See http://csrc.nist.gov/CryptoToolkit/aes/ for more information.
 152
 153config CRYPTO_AES_586
 154        tristate "AES cipher algorithms (i586)"
 155        depends on CRYPTO && (X86 && !X86_64)
 156        help
 157          AES cipher algorithms (FIPS-197). AES uses the Rijndael 
 158          algorithm.
 159
 160          Rijndael appears to be consistently a very good performer in
 161          both hardware and software across a wide range of computing 
 162          environments regardless of its use in feedback or non-feedback 
 163          modes. Its key setup time is excellent, and its key agility is 
 164          good. Rijndael's very low memory requirements make it very well 
 165          suited for restricted-space environments, in which it also 
 166          demonstrates excellent performance. Rijndael's operations are 
 167          among the easiest to defend against power and timing attacks. 
 168
 169          The AES specifies three key sizes: 128, 192 and 256 bits        
 170
 171          See http://csrc.nist.gov/encryption/aes/ for more information.
 172
 173config CRYPTO_CAST5
 174        tristate "CAST5 (CAST-128) cipher algorithm"
 175        depends on CRYPTO
 176        help
 177          The CAST5 encryption algorithm (synonymous with CAST-128) is
 178          described in RFC2144.
 179
 180config CRYPTO_CAST6
 181        tristate "CAST6 (CAST-256) cipher algorithm"
 182        depends on CRYPTO
 183        help
 184          The CAST6 encryption algorithm (synonymous with CAST-256) is
 185          described in RFC2612.
 186
 187config CRYPTO_TEA
 188        tristate "TEA and XTEA cipher algorithms"
 189        depends on CRYPTO
 190        help
 191          TEA cipher algorithm.
 192
 193          Tiny Encryption Algorithm is a simple cipher that uses
 194          many rounds for security.  It is very fast and uses
 195          little memory.
 196
 197          Xtendend Tiny Encryption Algorithm is a modification to
 198          the TEA algorithm to address a potential key weakness
 199          in the TEA algorithm.
 200
 201config CRYPTO_ARC4
 202        tristate "ARC4 cipher algorithm"
 203        depends on CRYPTO
 204        help
 205          ARC4 cipher algorithm.
 206
 207          ARC4 is a stream cipher using keys ranging from 8 bits to 2048
 208          bits in length.  This algorithm is required for driver-based 
 209          WEP, but it should not be for other purposes because of the
 210          weakness of the algorithm.
 211
 212config CRYPTO_KHAZAD
 213        tristate "Khazad cipher algorithm"
 214        depends on CRYPTO
 215        help
 216          Khazad cipher algorithm.
 217
 218          Khazad was a finalist in the initial NESSIE competition.  It is
 219          an algorithm optimized for 64-bit processors with good performance
 220          on 32-bit processors.  Khazad uses an 128 bit key size.
 221
 222          See also:
 223          http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html
 224
 225config CRYPTO_DEFLATE
 226        tristate "Deflate compression algorithm"
 227        depends on CRYPTO
 228        select ZLIB_INFLATE
 229        select ZLIB_DEFLATE
 230        help
 231          This is the Deflate algorithm (RFC1951), specified for use in
 232          IPSec with the IPCOMP protocol (RFC3173, RFC2394).
 233          
 234          You will most probably want this if using IPSec.
 235
 236config CRYPTO_MICHAEL_MIC
 237        tristate "Michael MIC keyed digest algorithm"
 238        depends on CRYPTO
 239        help
 240          Michael MIC is used for message integrity protection in TKIP
 241          (IEEE 802.11i). This algorithm is required for TKIP, but it
 242          should not be used for other purposes because of the weakness
 243          of the algorithm.
 244
 245config CRYPTO_CRC32C
 246        tristate "CRC32c CRC algorithm"
 247        depends on CRYPTO
 248        select LIBCRC32C
 249        help
 250          Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used
 251          by iSCSI for header and data digests and by others.
 252          See Castagnoli93.  This implementation uses lib/libcrc32c.
 253          Module will be crc32c.
 254
 255config CRYPTO_TEST
 256        tristate "Testing module"
 257        depends on CRYPTO
 258        help
 259          Quick & dirty crypto test module.
 260
 261config CRYPTO_SIGNATURE
 262        bool "In-kernel signature checker (EXPERIMENTAL)"
 263        depends on CRYPTO
 264        help
 265          Signature checker (used for module sig checking).
 266
 267config CRYPTO_SIGNATURE_DSA
 268        bool "Handle DSA signatures (EXPERIMENTAL)"
 269        depends on CRYPTO_SIGNATURE
 270        select CRYPTO_MPILIB
 271        help
 272          DSA Signature checker.
 273
 274config CRYPTO_MPILIB
 275        bool "Multiprecision maths library (EXPERIMENTAL)"
 276        depends on CRYPTO
 277        help
 278          Multiprecision maths library from GnuPG
 279        
 280
 281endmenu
 282
 283