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2009-02-18crypto: aes-ni - Add support to Intel AES-NI instructions for x86_64 platformHuang Ying
Intel AES-NI is a new set of Single Instruction Multiple Data (SIMD) instructions that are going to be introduced in the next generation of Intel processor, as of 2009. These instructions enable fast and secure data encryption and decryption, using the Advanced Encryption Standard (AES), defined by FIPS Publication number 197. The architecture introduces six instructions that offer full hardware support for AES. Four of them support high performance data encryption and decryption, and the other two instructions support the AES key expansion procedure. The white paper can be downloaded from: http://softwarecommunity.intel.com/isn/downloads/intelavx/AES-Instructions-Set_WP.pdf AES may be used in soft_irq context, but MMX/SSE context can not be touched safely in soft_irq context. So in_interrupt() is checked, if in IRQ or soft_irq context, the general x86_64 implementation are used instead. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-08-29crypto: crc32c - Use Intel CRC32 instructionAustin Zhang
From NHM processor onward, Intel processors can support hardware accelerated CRC32c algorithm with the new CRC32 instruction in SSE 4.2 instruction set. The patch detects the availability of the feature, and chooses the most proper way to calculate CRC32c checksum. Byte code instructions are used for compiler compatibility. No MMX / XMM registers is involved in the implementation. Signed-off-by: Austin Zhang <austin.zhang@intel.com> Signed-off-by: Kent Liu <kent.liu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-01-14[CRYPTO] twofish: Merge common glue codeSebastian Siewior
There is almost no difference between 32 & 64 bit glue code. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-01-11[CRYPTO] salsa20: Add x86-64 assembly versionTan Swee Heng
This is the x86-64 version of the Salsa20 stream cipher algorithm. The original assembly code came from <http://cr.yp.to/snuffle/salsa20/amd64-3/salsa20.s>. It has been reformatted for clarity. Signed-off-by: Tan Swee Heng <thesweeheng@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-01-11[CRYPTO] salsa20_i586: Salsa20 stream cipher algorithm (i586 version)Tan Swee Heng
This patch contains the salsa20-i586 implementation. The original assembly code came from <http://cr.yp.to/snuffle/salsa20/x86-pm/salsa20.s>. I have reformatted it (added indents) so that it matches the other algorithms in arch/x86/crypto. Signed-off-by: Tan Swee Heng <thesweeheng@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-01-11[CRYPTO] aes-asm: Merge common glue codeSebastian Siewior
32 bit and 64 bit glue code is using (now) the same piece code. This patch unifies them. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2007-10-23x86: merge arch/x86/crypto MakefilesThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-10-11x86_64: move cryptoThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-10-11i386: move cryptoThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>