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diff --git a/crypto/Kconfig b/crypto/Kconfig new file mode 100644 index 00000000..e573077f --- /dev/null +++ b/crypto/Kconfig @@ -0,0 +1,847 @@ +# +# Generic algorithms support +# +config XOR_BLOCKS + tristate + +# +# async_tx api: hardware offloaded memory transfer/transform support +# +source "crypto/async_tx/Kconfig" + +# +# Cryptographic API Configuration +# +menuconfig CRYPTO + tristate "Cryptographic API" + help + This option provides the core Cryptographic API. + +if CRYPTO + +comment "Crypto core or helper" + +config CRYPTO_FIPS + bool "FIPS 200 compliance" + depends on CRYPTO_ANSI_CPRNG + help + This options enables the fips boot option which is + required if you want to system to operate in a FIPS 200 + certification. You should say no unless you know what + this is. Note that CRYPTO_ANSI_CPRNG is required if this + option is selected + +config CRYPTO_ALGAPI + tristate + select CRYPTO_ALGAPI2 + help + This option provides the API for cryptographic algorithms. + +config CRYPTO_ALGAPI2 + tristate + +config CRYPTO_AEAD + tristate + select CRYPTO_AEAD2 + select CRYPTO_ALGAPI + +config CRYPTO_AEAD2 + tristate + select CRYPTO_ALGAPI2 + +config CRYPTO_BLKCIPHER + tristate + select CRYPTO_BLKCIPHER2 + select CRYPTO_ALGAPI + +config CRYPTO_BLKCIPHER2 + tristate + select CRYPTO_ALGAPI2 + select CRYPTO_RNG2 + select CRYPTO_WORKQUEUE + +config CRYPTO_HASH + tristate + select CRYPTO_HASH2 + select CRYPTO_ALGAPI + +config CRYPTO_HASH2 + tristate + select CRYPTO_ALGAPI2 + +config CRYPTO_RNG + tristate + select CRYPTO_RNG2 + select CRYPTO_ALGAPI + +config CRYPTO_RNG2 + tristate + select CRYPTO_ALGAPI2 + +config CRYPTO_PCOMP + tristate + select CRYPTO_PCOMP2 + select CRYPTO_ALGAPI + +config CRYPTO_PCOMP2 + tristate + select CRYPTO_ALGAPI2 + +config CRYPTO_MANAGER + tristate "Cryptographic algorithm manager" + select CRYPTO_MANAGER2 + help + Create default cryptographic template instantiations such as + cbc(aes). + +config CRYPTO_MANAGER2 + def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) + select CRYPTO_AEAD2 + select CRYPTO_HASH2 + select CRYPTO_BLKCIPHER2 + select CRYPTO_PCOMP2 + +config CRYPTO_MANAGER_DISABLE_TESTS + bool "Disable run-time self tests" + default y + depends on CRYPTO_MANAGER2 + help + Disable run-time self tests that normally take place at + algorithm registration. + +config CRYPTO_GF128MUL + tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + Efficient table driven implementation of multiplications in the + field GF(2^128). This is needed by some cypher modes. This + option will be selected automatically if you select such a + cipher mode. Only select this option by hand if you expect to load + an external module that requires these functions. + +config CRYPTO_NULL + tristate "Null algorithms" + select CRYPTO_ALGAPI + select CRYPTO_BLKCIPHER + select CRYPTO_HASH + help + These are 'Null' algorithms, used by IPsec, which do nothing. + +config CRYPTO_PCRYPT + tristate "Parallel crypto engine (EXPERIMENTAL)" + depends on SMP && EXPERIMENTAL + select PADATA + select CRYPTO_MANAGER + select CRYPTO_AEAD + help + This converts an arbitrary crypto algorithm into a parallel + algorithm that executes in kernel threads. + +config CRYPTO_WORKQUEUE + tristate + +config CRYPTO_CRYPTD + tristate "Software async crypto daemon" + select CRYPTO_BLKCIPHER + select CRYPTO_HASH + select CRYPTO_MANAGER + select CRYPTO_WORKQUEUE + help + This is a generic software asynchronous crypto daemon that + converts an arbitrary synchronous software crypto algorithm + into an asynchronous algorithm that executes in a kernel thread. + +config CRYPTO_AUTHENC + tristate "Authenc support" + select CRYPTO_AEAD + select CRYPTO_BLKCIPHER + select CRYPTO_MANAGER + select CRYPTO_HASH + help + Authenc: Combined mode wrapper for IPsec. + This is required for IPSec. + +config CRYPTO_TEST + tristate "Testing module" + depends on m + select CRYPTO_MANAGER + help + Quick & dirty crypto test module. + +comment "Authenticated Encryption with Associated Data" + +config CRYPTO_CCM + tristate "CCM support" + select CRYPTO_CTR + select CRYPTO_AEAD + help + Support for Counter with CBC MAC. Required for IPsec. + +config CRYPTO_GCM + tristate "GCM/GMAC support" + select CRYPTO_CTR + select CRYPTO_AEAD + select CRYPTO_GHASH + help + Support for Galois/Counter Mode (GCM) and Galois Message + Authentication Code (GMAC). Required for IPSec. + +config CRYPTO_SEQIV + tristate "Sequence Number IV Generator" + select CRYPTO_AEAD + select CRYPTO_BLKCIPHER + select CRYPTO_RNG + help + This IV generator generates an IV based on a sequence number by + xoring it with a salt. This algorithm is mainly useful for CTR + +comment "Block modes" + +config CRYPTO_CBC + tristate "CBC support" + select CRYPTO_BLKCIPHER + select CRYPTO_MANAGER + help + CBC: Cipher Block Chaining mode + This block cipher algorithm is required for IPSec. + +config CRYPTO_CTR + tristate "CTR support" + select CRYPTO_BLKCIPHER + select CRYPTO_SEQIV + select CRYPTO_MANAGER + help + CTR: Counter mode + This block cipher algorithm is required for IPSec. + +config CRYPTO_CTS + tristate "CTS support" + select CRYPTO_BLKCIPHER + help + CTS: Cipher Text Stealing + This is the Cipher Text Stealing mode as described by + Section 8 of rfc2040 and referenced by rfc3962. + (rfc3962 includes errata information in its Appendix A) + This mode is required for Kerberos gss mechanism support + for AES encryption. + +config CRYPTO_ECB + tristate "ECB support" + select CRYPTO_BLKCIPHER + select CRYPTO_MANAGER + help + ECB: Electronic CodeBook mode + This is the simplest block cipher algorithm. It simply encrypts + the input block by block. + +config CRYPTO_LRW + tristate "LRW support (EXPERIMENTAL)" + depends on EXPERIMENTAL + select CRYPTO_BLKCIPHER + select CRYPTO_MANAGER + select CRYPTO_GF128MUL + help + LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable + narrow block cipher mode for dm-crypt. Use it with cipher + specification string aes-lrw-benbi, the key must be 256, 320 or 384. + The first 128, 192 or 256 bits in the key are used for AES and the + rest is used to tie each cipher block to its logical position. + +config CRYPTO_PCBC + tristate "PCBC support" + select CRYPTO_BLKCIPHER + select CRYPTO_MANAGER + help + PCBC: Propagating Cipher Block Chaining mode + This block cipher algorithm is required for RxRPC. + +config CRYPTO_XTS + tristate "XTS support (EXPERIMENTAL)" + depends on EXPERIMENTAL + select CRYPTO_BLKCIPHER + select CRYPTO_MANAGER + select CRYPTO_GF128MUL + help + XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, + key size 256, 384 or 512 bits. This implementation currently + can't handle a sectorsize which is not a multiple of 16 bytes. + +config CRYPTO_FPU + tristate + select CRYPTO_BLKCIPHER + select CRYPTO_MANAGER + +comment "Hash modes" + +config CRYPTO_HMAC + tristate "HMAC support" + select CRYPTO_HASH + select CRYPTO_MANAGER + help + HMAC: Keyed-Hashing for Message Authentication (RFC2104). + This is required for IPSec. + +config CRYPTO_XCBC + tristate "XCBC support" + depends on EXPERIMENTAL + select CRYPTO_HASH + select CRYPTO_MANAGER + help + XCBC: Keyed-Hashing with encryption algorithm + http://www.ietf.org/rfc/rfc3566.txt + http://csrc.nist.gov/encryption/modes/proposedmodes/ + xcbc-mac/xcbc-mac-spec.pdf + +config CRYPTO_VMAC + tristate "VMAC support" + depends on EXPERIMENTAL + select CRYPTO_HASH + select CRYPTO_MANAGER + help + VMAC is a message authentication algorithm designed for + very high speed on 64-bit architectures. + + See also: + <http://fastcrypto.org/vmac> + +comment "Digest" + +config CRYPTO_CRC32C + tristate "CRC32c CRC algorithm" + select CRYPTO_HASH + help + Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used + by iSCSI for header and data digests and by others. + See Castagnoli93. Module will be crc32c. + +config CRYPTO_CRC32C_INTEL + tristate "CRC32c INTEL hardware acceleration" + depends on X86 + select CRYPTO_HASH + help + In Intel processor with SSE4.2 supported, the processor will + support CRC32C implementation using hardware accelerated CRC32 + instruction. This option will create 'crc32c-intel' module, + which will enable any routine to use the CRC32 instruction to + gain performance compared with software implementation. + Module will be crc32c-intel. + +config CRYPTO_GHASH + tristate "GHASH digest algorithm" + select CRYPTO_SHASH + select CRYPTO_GF128MUL + help + GHASH is message digest algorithm for GCM (Galois/Counter Mode). + +config CRYPTO_MD4 + tristate "MD4 digest algorithm" + select CRYPTO_HASH + help + MD4 message digest algorithm (RFC1320). + +config CRYPTO_MD5 + tristate "MD5 digest algorithm" + select CRYPTO_HASH + help + MD5 message digest algorithm (RFC1321). + +config CRYPTO_MICHAEL_MIC + tristate "Michael MIC keyed digest algorithm" + select CRYPTO_HASH + 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_RMD128 + tristate "RIPEMD-128 digest algorithm" + select CRYPTO_HASH + help + RIPEMD-128 (ISO/IEC 10118-3:2004). + + RIPEMD-128 is a 128-bit cryptographic hash function. It should only + to be used as a secure replacement for RIPEMD. For other use cases + RIPEMD-160 should be used. + + Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. + See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> + +config CRYPTO_RMD160 + tristate "RIPEMD-160 digest algorithm" + select CRYPTO_HASH + help + RIPEMD-160 (ISO/IEC 10118-3:2004). + + RIPEMD-160 is a 160-bit cryptographic hash function. It is intended + to be used as a secure replacement for the 128-bit hash functions + MD4, MD5 and it's predecessor RIPEMD + (not to be confused with RIPEMD-128). + + It's speed is comparable to SHA1 and there are no known attacks + against RIPEMD-160. + + Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. + See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> + +config CRYPTO_RMD256 + tristate "RIPEMD-256 digest algorithm" + select CRYPTO_HASH + help + RIPEMD-256 is an optional extension of RIPEMD-128 with a + 256 bit hash. It is intended for applications that require + longer hash-results, without needing a larger security level + (than RIPEMD-128). + + Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. + See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> + +config CRYPTO_RMD320 + tristate "RIPEMD-320 digest algorithm" + select CRYPTO_HASH + help + RIPEMD-320 is an optional extension of RIPEMD-160 with a + 320 bit hash. It is intended for applications that require + longer hash-results, without needing a larger security level + (than RIPEMD-160). + + Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. + See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> + +config CRYPTO_SHA1 + tristate "SHA1 digest algorithm" + select CRYPTO_HASH + help + SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). + +config CRYPTO_SHA256 + tristate "SHA224 and SHA256 digest algorithm" + select CRYPTO_HASH + 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. + + This code also includes SHA-224, a 224 bit hash with 112 bits + of security against collision attacks. + +config CRYPTO_SHA512 + tristate "SHA384 and SHA512 digest algorithms" + select CRYPTO_HASH + 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_TGR192 + tristate "Tiger digest algorithms" + select CRYPTO_HASH + 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_WP512 + tristate "Whirlpool digest algorithms" + select CRYPTO_HASH + 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_GHASH_CLMUL_NI_INTEL + tristate "GHASH digest algorithm (CLMUL-NI accelerated)" + depends on (X86 || UML_X86) && 64BIT + select CRYPTO_SHASH + select CRYPTO_CRYPTD + help + GHASH is message digest algorithm for GCM (Galois/Counter Mode). + The implementation is accelerated by CLMUL-NI of Intel. + +comment "Ciphers" + +config CRYPTO_AES + tristate "AES cipher algorithms" + select CRYPTO_ALGAPI + 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 (X86 || UML_X86) && !64BIT + select CRYPTO_ALGAPI + select CRYPTO_AES + 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_AES_X86_64 + tristate "AES cipher algorithms (x86_64)" + depends on (X86 || UML_X86) && 64BIT + select CRYPTO_ALGAPI + select CRYPTO_AES + 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_AES_NI_INTEL + tristate "AES cipher algorithms (AES-NI)" + depends on (X86 || UML_X86) && 64BIT + select CRYPTO_AES_X86_64 + select CRYPTO_CRYPTD + select CRYPTO_ALGAPI + select CRYPTO_FPU + help + Use Intel AES-NI instructions for AES algorithm. + + 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. + + In addition to AES cipher algorithm support, the + acceleration for some popular block cipher mode is supported + too, including ECB, CBC, CTR, LRW, PCBC, XTS. + +config CRYPTO_ANUBIS + tristate "Anubis cipher algorithm" + select CRYPTO_ALGAPI + 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_ARC4 + tristate "ARC4 cipher algorithm" + select CRYPTO_ALGAPI + 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_BLOWFISH + tristate "Blowfish cipher algorithm" + select CRYPTO_ALGAPI + 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_CAMELLIA + tristate "Camellia cipher algorithms" + depends on CRYPTO + select CRYPTO_ALGAPI + help + Camellia cipher algorithms module. + + Camellia is a symmetric key block cipher developed jointly + at NTT and Mitsubishi Electric Corporation. + + The Camellia specifies three key sizes: 128, 192 and 256 bits. + + See also: + <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> + +config CRYPTO_CAST5 + tristate "CAST5 (CAST-128) cipher algorithm" + select CRYPTO_ALGAPI + help + The CAST5 encryption algorithm (synonymous with CAST-128) is + described in RFC2144. + +config CRYPTO_CAST6 + tristate "CAST6 (CAST-256) cipher algorithm" + select CRYPTO_ALGAPI + help + The CAST6 encryption algorithm (synonymous with CAST-256) is + described in RFC2612. + +config CRYPTO_DES + tristate "DES and Triple DES EDE cipher algorithms" + select CRYPTO_ALGAPI + help + DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). + +config CRYPTO_FCRYPT + tristate "FCrypt cipher algorithm" + select CRYPTO_ALGAPI + select CRYPTO_BLKCIPHER + help + FCrypt algorithm used by RxRPC. + +config CRYPTO_KHAZAD + tristate "Khazad cipher algorithm" + select CRYPTO_ALGAPI + 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_SALSA20 + tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)" + depends on EXPERIMENTAL + select CRYPTO_BLKCIPHER + help + Salsa20 stream cipher algorithm. + + Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT + Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> + + The Salsa20 stream cipher algorithm is designed by Daniel J. + Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> + +config CRYPTO_SALSA20_586 + tristate "Salsa20 stream cipher algorithm (i586) (EXPERIMENTAL)" + depends on (X86 || UML_X86) && !64BIT + depends on EXPERIMENTAL + select CRYPTO_BLKCIPHER + help + Salsa20 stream cipher algorithm. + + Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT + Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> + + The Salsa20 stream cipher algorithm is designed by Daniel J. + Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> + +config CRYPTO_SALSA20_X86_64 + tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)" + depends on (X86 || UML_X86) && 64BIT + depends on EXPERIMENTAL + select CRYPTO_BLKCIPHER + help + Salsa20 stream cipher algorithm. + + Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT + Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> + + The Salsa20 stream cipher algorithm is designed by Daniel J. + Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> + +config CRYPTO_SEED + tristate "SEED cipher algorithm" + select CRYPTO_ALGAPI + help + SEED cipher algorithm (RFC4269). + + SEED is a 128-bit symmetric key block cipher that has been + developed by KISA (Korea Information Security Agency) as a + national standard encryption algorithm of the Republic of Korea. + It is a 16 round block cipher with the key size of 128 bit. + + See also: + <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> + +config CRYPTO_SERPENT + tristate "Serpent cipher algorithm" + select CRYPTO_ALGAPI + 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.org code. + + See also: + <http://www.cl.cam.ac.uk/~rja14/serpent.html> + +config CRYPTO_TEA + tristate "TEA, XTEA and XETA cipher algorithms" + select CRYPTO_ALGAPI + 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. + + Xtendend Encryption Tiny Algorithm is a mis-implementation + of the XTEA algorithm for compatibility purposes. + +config CRYPTO_TWOFISH + tristate "Twofish cipher algorithm" + select CRYPTO_ALGAPI + select CRYPTO_TWOFISH_COMMON + 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_TWOFISH_COMMON + tristate + help + Common parts of the Twofish cipher algorithm shared by the + generic c and the assembler implementations. + +config CRYPTO_TWOFISH_586 + tristate "Twofish cipher algorithms (i586)" + depends on (X86 || UML_X86) && !64BIT + select CRYPTO_ALGAPI + select CRYPTO_TWOFISH_COMMON + 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_TWOFISH_X86_64 + tristate "Twofish cipher algorithm (x86_64)" + depends on (X86 || UML_X86) && 64BIT + select CRYPTO_ALGAPI + select CRYPTO_TWOFISH_COMMON + help + Twofish cipher algorithm (x86_64). + + 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> + +comment "Compression" + +config CRYPTO_DEFLATE + tristate "Deflate compression algorithm" + select CRYPTO_ALGAPI + 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_ZLIB + tristate "Zlib compression algorithm" + select CRYPTO_PCOMP + select ZLIB_INFLATE + select ZLIB_DEFLATE + select NLATTR + help + This is the zlib algorithm. + +config CRYPTO_LZO + tristate "LZO compression algorithm" + select CRYPTO_ALGAPI + select LZO_COMPRESS + select LZO_DECOMPRESS + help + This is the LZO algorithm. + +comment "Random Number Generation" + +config CRYPTO_ANSI_CPRNG + tristate "Pseudo Random Number Generation for Cryptographic modules" + default m + select CRYPTO_AES + select CRYPTO_RNG + help + This option enables the generic pseudo random number generator + for cryptographic modules. Uses the Algorithm specified in + ANSI X9.31 A.2.4. Note that this option must be enabled if + CRYPTO_FIPS is selected + +source "drivers/crypto/Kconfig" + +endif # if CRYPTO |