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crypto/Kconfig
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# |
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# Generic algorithms support # config XOR_BLOCKS tristate # |
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# async_tx api: hardware offloaded memory transfer/transform support |
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# |
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source "crypto/async_tx/Kconfig" |
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# # Cryptographic API Configuration # |
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menuconfig CRYPTO |
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tristate "Cryptographic API" |
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help This option provides the core Cryptographic API. |
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if CRYPTO |
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comment "Crypto core or helper" |
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config CRYPTO_FIPS bool "FIPS 200 compliance" 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. |
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config CRYPTO_ALGAPI tristate |
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select CRYPTO_ALGAPI2 |
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help This option provides the API for cryptographic algorithms. |
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config CRYPTO_ALGAPI2 tristate |
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config CRYPTO_AEAD tristate |
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select CRYPTO_AEAD2 |
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select CRYPTO_ALGAPI |
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config CRYPTO_AEAD2 tristate select CRYPTO_ALGAPI2 |
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config CRYPTO_BLKCIPHER tristate |
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select CRYPTO_BLKCIPHER2 |
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select CRYPTO_ALGAPI |
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config CRYPTO_BLKCIPHER2 tristate select CRYPTO_ALGAPI2 select CRYPTO_RNG2 |
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config CRYPTO_HASH tristate |
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select CRYPTO_HASH2 |
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select CRYPTO_ALGAPI |
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config CRYPTO_HASH2 tristate select CRYPTO_ALGAPI2 |
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config CRYPTO_RNG tristate |
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select CRYPTO_RNG2 |
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select CRYPTO_ALGAPI |
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config CRYPTO_RNG2 tristate select CRYPTO_ALGAPI2 |
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config CRYPTO_MANAGER tristate "Cryptographic algorithm manager" |
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select CRYPTO_MANAGER2 |
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help Create default cryptographic template instantiations such as cbc(aes). |
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config CRYPTO_MANAGER2 def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) select CRYPTO_AEAD2 select CRYPTO_HASH2 select CRYPTO_BLKCIPHER2 |
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config CRYPTO_GF128MUL tristate "GF(2^128) multiplication functions (EXPERIMENTAL)" |
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depends on EXPERIMENTAL |
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help |
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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. |
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config CRYPTO_NULL tristate "Null algorithms" |
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select CRYPTO_ALGAPI |
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select CRYPTO_BLKCIPHER |
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select CRYPTO_HASH |
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help These are 'Null' algorithms, used by IPsec, which do nothing. |
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config CRYPTO_CRYPTD tristate "Software async crypto daemon" select CRYPTO_BLKCIPHER |
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select CRYPTO_HASH |
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select CRYPTO_MANAGER |
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help |
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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. |
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config CRYPTO_AUTHENC tristate "Authenc support" select CRYPTO_AEAD select CRYPTO_BLKCIPHER select CRYPTO_MANAGER select CRYPTO_HASH |
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help |
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Authenc: Combined mode wrapper for IPsec. This is required for IPSec. |
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config CRYPTO_TEST tristate "Testing module" depends on m |
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select CRYPTO_MANAGER |
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help |
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Quick & dirty crypto test module. |
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comment "Authenticated Encryption with Associated Data" |
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config CRYPTO_CCM tristate "CCM support" select CRYPTO_CTR select CRYPTO_AEAD |
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help |
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Support for Counter with CBC MAC. Required for IPsec. |
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config CRYPTO_GCM tristate "GCM/GMAC support" select CRYPTO_CTR select CRYPTO_AEAD select CRYPTO_GF128MUL |
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help |
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Support for Galois/Counter Mode (GCM) and Galois Message Authentication Code (GMAC). Required for IPSec. |
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config CRYPTO_SEQIV tristate "Sequence Number IV Generator" select CRYPTO_AEAD select CRYPTO_BLKCIPHER |
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select CRYPTO_RNG |
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help |
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This IV generator generates an IV based on a sequence number by xoring it with a salt. This algorithm is mainly useful for CTR |
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comment "Block modes" |
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config CRYPTO_CBC tristate "CBC support" |
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select CRYPTO_BLKCIPHER |
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select CRYPTO_MANAGER |
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help |
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CBC: Cipher Block Chaining mode This block cipher algorithm is required for IPSec. |
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config CRYPTO_CTR tristate "CTR support" |
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select CRYPTO_BLKCIPHER |
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select CRYPTO_SEQIV |
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select CRYPTO_MANAGER |
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help |
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CTR: Counter mode |
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This block cipher algorithm is required for IPSec. |
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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" |
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select CRYPTO_BLKCIPHER select CRYPTO_MANAGER |
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help |
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ECB: Electronic CodeBook mode This is the simplest block cipher algorithm. It simply encrypts the input block by block. |
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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. |
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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. |
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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. |
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comment "Hash modes" config CRYPTO_HMAC tristate "HMAC support" select CRYPTO_HASH |
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select CRYPTO_MANAGER |
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help |
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HMAC: Keyed-Hashing for Message Authentication (RFC2104). This is required for IPSec. |
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config CRYPTO_XCBC tristate "XCBC support" depends on EXPERIMENTAL select CRYPTO_HASH select CRYPTO_MANAGER |
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help |
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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 |
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comment "Digest" |
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config CRYPTO_CRC32C tristate "CRC32c CRC algorithm" |
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select CRYPTO_HASH |
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help |
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Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used by iSCSI for header and data digests and by others. |
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See Castagnoli93. Module will be crc32c. |
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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. |
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config CRYPTO_MD4 tristate "MD4 digest algorithm" |
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select CRYPTO_HASH |
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help |
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MD4 message digest algorithm (RFC1320). |
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config CRYPTO_MD5 tristate "MD5 digest algorithm" |
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select CRYPTO_HASH |
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help |
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MD5 message digest algorithm (RFC1321). |
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config CRYPTO_MICHAEL_MIC tristate "Michael MIC keyed digest algorithm" |
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select CRYPTO_HASH |
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help |
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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. |
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config CRYPTO_RMD128 |
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tristate "RIPEMD-128 digest algorithm" |
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select CRYPTO_HASH |
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help RIPEMD-128 (ISO/IEC 10118-3:2004). |
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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. |
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Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> |
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config CRYPTO_RMD160 |
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tristate "RIPEMD-160 digest algorithm" |
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select CRYPTO_HASH |
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help RIPEMD-160 (ISO/IEC 10118-3:2004). |
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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). |
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It's speed is comparable to SHA1 and there are no known attacks against RIPEMD-160. |
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Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> |
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config CRYPTO_RMD256 |
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tristate "RIPEMD-256 digest algorithm" |
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select CRYPTO_HASH |
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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). |
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Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> |
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config CRYPTO_RMD320 |
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tristate "RIPEMD-320 digest algorithm" |
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select CRYPTO_HASH |
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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). |
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Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. See <http://home.esat.kuleuven.be/~bosselae/ripemd160.html> |
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config CRYPTO_SHA1 tristate "SHA1 digest algorithm" |
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select CRYPTO_HASH |
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help |
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SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). |
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config CRYPTO_SHA256 tristate "SHA224 and SHA256 digest algorithm" |
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select CRYPTO_HASH |
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help |
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SHA256 secure hash standard (DFIPS 180-2). |
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This version of SHA implements a 256 bit hash with 128 bits of security against collision attacks. |
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This code also includes SHA-224, a 224 bit hash with 112 bits of security against collision attacks. |
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config CRYPTO_SHA512 tristate "SHA384 and SHA512 digest algorithms" |
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select CRYPTO_HASH |
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help |
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SHA512 secure hash standard (DFIPS 180-2). |
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This version of SHA implements a 512 bit hash with 256 bits of security against collision attacks. |
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This code also includes SHA-384, a 384 bit hash with 192 bits of security against collision attacks. |
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config CRYPTO_TGR192 tristate "Tiger digest algorithms" |
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select CRYPTO_HASH |
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help |
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Tiger hash algorithm 192, 160 and 128-bit hashes |
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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. |
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See also: |
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<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. |
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config CRYPTO_WP512 tristate "Whirlpool digest algorithms" |
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select CRYPTO_HASH |
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help |
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Whirlpool hash algorithm 512, 384 and 256-bit hashes |
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Whirlpool-512 is part of the NESSIE cryptographic primitives. Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard |
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See also: |
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<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html> comment "Ciphers" |
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config CRYPTO_AES tristate "AES cipher algorithms" |
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select CRYPTO_ALGAPI |
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help |
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AES cipher algorithms (FIPS-197). AES uses the Rijndael |
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algorithm. Rijndael appears to be consistently a very good performer in |
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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. |
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The AES specifies three key sizes: 128, 192 and 256 bits |
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See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. config CRYPTO_AES_586 tristate "AES cipher algorithms (i586)" |
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depends on (X86 || UML_X86) && !64BIT select CRYPTO_ALGAPI |
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select CRYPTO_AES |
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help |
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AES cipher algorithms (FIPS-197). AES uses the Rijndael |
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algorithm. Rijndael appears to be consistently a very good performer in |
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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. |
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The AES specifies three key sizes: 128, 192 and 256 bits |
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See <http://csrc.nist.gov/encryption/aes/> for more information. config CRYPTO_AES_X86_64 tristate "AES cipher algorithms (x86_64)" |
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depends on (X86 || UML_X86) && 64BIT select CRYPTO_ALGAPI |
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select CRYPTO_AES |
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help |
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AES cipher algorithms (FIPS-197). AES uses the Rijndael |
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algorithm. Rijndael appears to be consistently a very good performer in |
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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. |
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The AES specifies three key sizes: 128, 192 and 256 bits |
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See <http://csrc.nist.gov/encryption/aes/> for more information. |
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452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 |
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> |
1da177e4c
|
504 505 |
config CRYPTO_CAST5 tristate "CAST5 (CAST-128) cipher algorithm" |
cce9e06d1
|
506 |
select CRYPTO_ALGAPI |
1da177e4c
|
507 508 509 510 511 512 |
help The CAST5 encryption algorithm (synonymous with CAST-128) is described in RFC2144. config CRYPTO_CAST6 tristate "CAST6 (CAST-256) cipher algorithm" |
cce9e06d1
|
513 |
select CRYPTO_ALGAPI |
1da177e4c
|
514 515 516 |
help The CAST6 encryption algorithm (synonymous with CAST-256) is described in RFC2612. |
584fffc8b
|
517 518 |
config CRYPTO_DES tristate "DES and Triple DES EDE cipher algorithms" |
cce9e06d1
|
519 |
select CRYPTO_ALGAPI |
1da177e4c
|
520 |
help |
584fffc8b
|
521 |
DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). |
fb4f10ed5
|
522 |
|
584fffc8b
|
523 524 |
config CRYPTO_FCRYPT tristate "FCrypt cipher algorithm" |
cce9e06d1
|
525 |
select CRYPTO_ALGAPI |
584fffc8b
|
526 |
select CRYPTO_BLKCIPHER |
1da177e4c
|
527 |
help |
584fffc8b
|
528 |
FCrypt algorithm used by RxRPC. |
1da177e4c
|
529 530 531 |
config CRYPTO_KHAZAD tristate "Khazad cipher algorithm" |
cce9e06d1
|
532 |
select CRYPTO_ALGAPI |
1da177e4c
|
533 534 535 536 537 538 539 540 541 |
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> |
2407d6087
|
542 543 544 545 546 547 548 549 550 |
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/> |
974e4b752
|
551 552 553 554 555 556 557 558 559 |
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 |
974e4b752
|
560 561 562 563 564 |
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/> |
9a7dafbba
|
565 566 567 568 569 570 571 572 573 |
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 |
9a7dafbba
|
574 575 576 577 578 |
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/> |
2407d6087
|
579 580 581 |
The Salsa20 stream cipher algorithm is designed by Daniel J. Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> |
1da177e4c
|
582 |
|
584fffc8b
|
583 584 |
config CRYPTO_SEED tristate "SEED cipher algorithm" |
cce9e06d1
|
585 |
select CRYPTO_ALGAPI |
1da177e4c
|
586 |
help |
584fffc8b
|
587 |
SEED cipher algorithm (RFC4269). |
1da177e4c
|
588 |
|
584fffc8b
|
589 590 591 592 593 594 595 596 597 598 |
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" |
cce9e06d1
|
599 |
select CRYPTO_ALGAPI |
1da177e4c
|
600 |
help |
584fffc8b
|
601 |
Serpent cipher algorithm, by Anderson, Biham & Knudsen. |
1da177e4c
|
602 |
|
584fffc8b
|
603 604 605 606 607 608 609 610 611 |
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" |
cce9e06d1
|
612 |
select CRYPTO_ALGAPI |
1da177e4c
|
613 |
help |
584fffc8b
|
614 |
TEA cipher algorithm. |
1da177e4c
|
615 |
|
584fffc8b
|
616 617 618 619 620 621 622 623 624 625 626 627 628 |
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" |
04ac7db3f
|
629 |
select CRYPTO_ALGAPI |
584fffc8b
|
630 |
select CRYPTO_TWOFISH_COMMON |
04ac7db3f
|
631 |
help |
584fffc8b
|
632 |
Twofish cipher algorithm. |
04ac7db3f
|
633 |
|
584fffc8b
|
634 635 636 637 |
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. |
04ac7db3f
|
638 |
|
584fffc8b
|
639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 |
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. |
04ac7db3f
|
660 661 |
See also: |
584fffc8b
|
662 |
<http://www.schneier.com/twofish.html> |
04ac7db3f
|
663 |
|
584fffc8b
|
664 665 666 |
config CRYPTO_TWOFISH_X86_64 tristate "Twofish cipher algorithm (x86_64)" depends on (X86 || UML_X86) && 64BIT |
cce9e06d1
|
667 |
select CRYPTO_ALGAPI |
584fffc8b
|
668 |
select CRYPTO_TWOFISH_COMMON |
1da177e4c
|
669 |
help |
584fffc8b
|
670 |
Twofish cipher algorithm (x86_64). |
1da177e4c
|
671 |
|
584fffc8b
|
672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 |
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 |
3c09f17c3
|
687 |
help |
584fffc8b
|
688 689 690 691 |
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. |
3c09f17c3
|
692 |
|
0b77abb3b
|
693 694 695 696 697 698 699 |
config CRYPTO_LZO tristate "LZO compression algorithm" select CRYPTO_ALGAPI select LZO_COMPRESS select LZO_DECOMPRESS help This is the LZO algorithm. |
17f0f4a47
|
700 701 702 703 704 705 706 707 708 709 710 |
comment "Random Number Generation" config CRYPTO_ANSI_CPRNG tristate "Pseudo Random Number Generation for Cryptographic modules" select CRYPTO_AES select CRYPTO_RNG select CRYPTO_FIPS help This option enables the generic pseudo random number generator for cryptographic modules. Uses the Algorithm specified in ANSI X9.31 A.2.4 |
1da177e4c
|
711 |
source "drivers/crypto/Kconfig" |
1da177e4c
|
712 |
|
cce9e06d1
|
713 |
endif # if CRYPTO |