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Added "ctmulq" implementation of Poly1305 (using 64->128 multiplications when available).

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This commit is contained in:
Thomas Pornin 2017-03-18 16:46:00 +01:00
parent 2f88a67304
commit 5db2d48b12
10 changed files with 588 additions and 17 deletions
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17
src/config.h
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@ -172,4 +172,21 @@
#define BR_POWER8 1
*/
/*
* When BR_INT128 is enabled, then code using the 'unsigned __int64'
* and 'unsigned __int128' types will be used to leverage 64x64->128
* unsigned multiplications. This should work with GCC and compatible
* compilers on 64-bit architectures.
*
#define BR_INT128 1
*/
/*
* When BR_UMUL128 is enabled, then code using the '_umul128()' and
* '_addcarry_u64()' intrinsics will be used to implement 64x64->128
* unsigned multiplications. This should work on Visual C on x64 systems.
*
#define BR_UMUL128 1
*/
#endif