[v1,1/3] crypto: powerpc/sha1 - assembler

[Herbert Xu]

On Tue, Feb 24, 2015 at 08:36:40PM +0100, Markus Stockhausen wrote:
> This is the assembler code for SHA1 implementation with
> the SIMD SPE instruction set. With the enhanced instruction 
> set we can operate on 2 32 bit words in parallel. That helps 
> reducing the time to calculate W16-W79. For increasing 
> performance even more the assembler function can compute 
> hashes for more than one 64 byte input block. 
> 
> The state of the used SPE registers is preserved via the 
> stack so we can run from interrupt context. There might 
> be the case that we interrupt ourselves and push sensitive 
> data from another context onto our stack. Clear this area
> in the stack afterwards to avoid information leakage.
> 
> The code is endian independant.
> 
> Signed-off-by: Markus Stockhausen <stockhausen at collogia.de>

All applied.  Thanks!
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt