| # |
| # Cryptographic API Configuration |
| # |
| |
| menu "Cryptographic options" |
| |
| config CRYPTO |
| bool "Cryptographic API" |
| help |
| This option provides the core Cryptographic API. |
| |
| config CRYPTO_HMAC |
| bool "HMAC support" |
| depends on CRYPTO |
| help |
| HMAC: Keyed-Hashing for Message Authentication (RFC2104). |
| This is required for IPSec. |
| |
| config CRYPTO_NULL |
| tristate "Null algorithms" |
| depends on CRYPTO |
| help |
| These are 'Null' algorithms, used by IPsec, which do nothing. |
| |
| config CRYPTO_MD4 |
| tristate "MD4 digest algorithm" |
| depends on CRYPTO |
| help |
| MD4 message digest algorithm (RFC1320). |
| |
| config CRYPTO_MD5 |
| tristate "MD5 digest algorithm" |
| depends on CRYPTO |
| help |
| MD5 message digest algorithm (RFC1321). |
| |
| config CRYPTO_SHA1 |
| tristate "SHA1 digest algorithm" |
| depends on CRYPTO |
| help |
| SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
| |
| config CRYPTO_SHA1_Z990 |
| tristate "SHA1 digest algorithm for IBM zSeries z990" |
| depends on CRYPTO && ARCH_S390 |
| help |
| SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
| |
| config CRYPTO_SHA256 |
| tristate "SHA256 digest algorithm" |
| depends on CRYPTO |
| help |
| SHA256 secure hash standard (DFIPS 180-2). |
| |
| This version of SHA implements a 256 bit hash with 128 bits of |
| security against collision attacks. |
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| config CRYPTO_SHA512 |
| tristate "SHA384 and SHA512 digest algorithms" |
| depends on CRYPTO |
| help |
| SHA512 secure hash standard (DFIPS 180-2). |
| |
| This version of SHA implements a 512 bit hash with 256 bits of |
| security against collision attacks. |
| |
| This code also includes SHA-384, a 384 bit hash with 192 bits |
| of security against collision attacks. |
| |
| config CRYPTO_WP512 |
| tristate "Whirlpool digest algorithms" |
| depends on CRYPTO |
| help |
| Whirlpool hash algorithm 512, 384 and 256-bit hashes |
| |
| Whirlpool-512 is part of the NESSIE cryptographic primitives. |
| Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard |
| |
| See also: |
| <http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> |
| |
| config CRYPTO_TGR192 |
| tristate "Tiger digest algorithms" |
| depends on CRYPTO |
| help |
| Tiger hash algorithm 192, 160 and 128-bit hashes |
| |
| Tiger is a hash function optimized for 64-bit processors while |
| still having decent performance on 32-bit processors. |
| Tiger was developed by Ross Anderson and Eli Biham. |
| |
| See also: |
| <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
| |
| config CRYPTO_DES |
| tristate "DES and Triple DES EDE cipher algorithms" |
| depends on CRYPTO |
| help |
| DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
| |
| config CRYPTO_DES_Z990 |
| tristate "DES and Triple DES cipher algorithms for IBM zSeries z990" |
| depends on CRYPTO && ARCH_S390 |
| help |
| DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
| |
| config CRYPTO_BLOWFISH |
| tristate "Blowfish cipher algorithm" |
| depends on CRYPTO |
| help |
| Blowfish cipher algorithm, by Bruce Schneier. |
| |
| This is a variable key length cipher which can use keys from 32 |
| bits to 448 bits in length. It's fast, simple and specifically |
| designed for use on "large microprocessors". |
| |
| See also: |
| <http://www.schneier.com/blowfish.html> |
| |
| config CRYPTO_TWOFISH |
| tristate "Twofish cipher algorithm" |
| depends on CRYPTO |
| help |
| Twofish cipher algorithm. |
| |
| Twofish was submitted as an AES (Advanced Encryption Standard) |
| candidate cipher by researchers at CounterPane Systems. It is a |
| 16 round block cipher supporting key sizes of 128, 192, and 256 |
| bits. |
| |
| See also: |
| <http://www.schneier.com/twofish.html> |
| |
| config CRYPTO_SERPENT |
| tristate "Serpent cipher algorithm" |
| depends on CRYPTO |
| help |
| Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
| |
| Keys are allowed to be from 0 to 256 bits in length, in steps |
| of 8 bits. Also includes the 'Tnepres' algorithm, a reversed |
| variant of Serpent for compatibility with old kerneli code. |
| |
| See also: |
| <http://www.cl.cam.ac.uk/~rja14/serpent.html> |
| |
| config CRYPTO_AES |
| tristate "AES cipher algorithms" |
| depends on CRYPTO && !((X86 || UML_X86) && !64BIT) |
| help |
| AES cipher algorithms (FIPS-197). AES uses the Rijndael |
| algorithm. |
| |
| Rijndael appears to be consistently a very good performer in |
| both hardware and software across a wide range of computing |
| environments regardless of its use in feedback or non-feedback |
| modes. Its key setup time is excellent, and its key agility is |
| good. Rijndael's very low memory requirements make it very well |
| suited for restricted-space environments, in which it also |
| demonstrates excellent performance. Rijndael's operations are |
| among the easiest to defend against power and timing attacks. |
| |
| The AES specifies three key sizes: 128, 192 and 256 bits |
| |
| See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. |
| |
| config CRYPTO_AES_586 |
| tristate "AES cipher algorithms (i586)" |
| depends on CRYPTO && ((X86 || UML_X86) && !64BIT) |
| help |
| AES cipher algorithms (FIPS-197). AES uses the Rijndael |
| algorithm. |
| |
| Rijndael appears to be consistently a very good performer in |
| both hardware and software across a wide range of computing |
| environments regardless of its use in feedback or non-feedback |
| modes. Its key setup time is excellent, and its key agility is |
| good. Rijndael's very low memory requirements make it very well |
| suited for restricted-space environments, in which it also |
| demonstrates excellent performance. Rijndael's operations are |
| among the easiest to defend against power and timing attacks. |
| |
| The AES specifies three key sizes: 128, 192 and 256 bits |
| |
| See <http://csrc.nist.gov/encryption/aes/> for more information. |
| |
| config CRYPTO_CAST5 |
| tristate "CAST5 (CAST-128) cipher algorithm" |
| depends on CRYPTO |
| help |
| The CAST5 encryption algorithm (synonymous with CAST-128) is |
| described in RFC2144. |
| |
| config CRYPTO_CAST6 |
| tristate "CAST6 (CAST-256) cipher algorithm" |
| depends on CRYPTO |
| help |
| The CAST6 encryption algorithm (synonymous with CAST-256) is |
| described in RFC2612. |
| |
| config CRYPTO_TEA |
| tristate "TEA and XTEA cipher algorithms" |
| depends on CRYPTO |
| help |
| TEA cipher algorithm. |
| |
| Tiny Encryption Algorithm is a simple cipher that uses |
| many rounds for security. It is very fast and uses |
| little memory. |
| |
| Xtendend Tiny Encryption Algorithm is a modification to |
| the TEA algorithm to address a potential key weakness |
| in the TEA algorithm. |
| |
| config CRYPTO_ARC4 |
| tristate "ARC4 cipher algorithm" |
| depends on CRYPTO |
| help |
| ARC4 cipher algorithm. |
| |
| ARC4 is a stream cipher using keys ranging from 8 bits to 2048 |
| bits in length. This algorithm is required for driver-based |
| WEP, but it should not be for other purposes because of the |
| weakness of the algorithm. |
| |
| config CRYPTO_KHAZAD |
| tristate "Khazad cipher algorithm" |
| depends on CRYPTO |
| help |
| Khazad cipher algorithm. |
| |
| Khazad was a finalist in the initial NESSIE competition. It is |
| an algorithm optimized for 64-bit processors with good performance |
| on 32-bit processors. Khazad uses an 128 bit key size. |
| |
| See also: |
| <http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html> |
| |
| config CRYPTO_ANUBIS |
| tristate "Anubis cipher algorithm" |
| depends on CRYPTO |
| help |
| Anubis cipher algorithm. |
| |
| Anubis is a variable key length cipher which can use keys from |
| 128 bits to 320 bits in length. It was evaluated as a entrant |
| in the NESSIE competition. |
| |
| See also: |
| <https://www.cosic.esat.kuleuven.ac.be/nessie/reports/> |
| <http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html> |
| |
| |
| config CRYPTO_DEFLATE |
| tristate "Deflate compression algorithm" |
| depends on CRYPTO |
| select ZLIB_INFLATE |
| select ZLIB_DEFLATE |
| help |
| This is the Deflate algorithm (RFC1951), specified for use in |
| IPSec with the IPCOMP protocol (RFC3173, RFC2394). |
| |
| You will most probably want this if using IPSec. |
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| config CRYPTO_MICHAEL_MIC |
| tristate "Michael MIC keyed digest algorithm" |
| depends on CRYPTO |
| help |
| Michael MIC is used for message integrity protection in TKIP |
| (IEEE 802.11i). This algorithm is required for TKIP, but it |
| should not be used for other purposes because of the weakness |
| of the algorithm. |
| |
| config CRYPTO_CRC32C |
| tristate "CRC32c CRC algorithm" |
| depends on CRYPTO |
| select LIBCRC32C |
| help |
| Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used |
| by iSCSI for header and data digests and by others. |
| See Castagnoli93. This implementation uses lib/libcrc32c. |
| Module will be crc32c. |
| |
| config CRYPTO_TEST |
| tristate "Testing module" |
| depends on CRYPTO |
| help |
| Quick & dirty crypto test module. |
| |
| source "drivers/crypto/Kconfig" |
| endmenu |
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