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diff --git a/crypto/Kconfig b/crypto/Kconfig new file mode 100644 index 000000000000..536754faf4d2 --- /dev/null +++ b/crypto/Kconfig @@ -0,0 +1,292 @@ +# +# 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. + +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 && !X86_64) + 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 && !X86_64) + 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. + +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 + |