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Enable the sandy2x implementation on CPUs with AVX support

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This commit is contained in:
Frank Denis 2015-11-04 16:45:14 +01:00
parent 16e5da867c
commit 94437ae121
1 changed files with 17 additions and 0 deletions
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17
src/libsodium/crypto_scalarmult/curve25519/scalarmult_curve25519.c
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@ -1,6 +1,7 @@
#include "crypto_scalarmult_curve25519.h"
#include "scalarmult_curve25519.h"
#include "runtime.h"
#ifdef HAVE_AMD64_ASM
# include "sandy2x/curve25519_sandy2x.h"
@ -39,3 +40,19 @@ crypto_scalarmult_curve25519_scalarbytes(void)
{
return crypto_scalarmult_curve25519_SCALARBYTES;
}
int
_crypto_scalarmult_curve25519_pick_best_implementation(void)
{
#ifdef HAVE_TI_MODE
implementation = &crypto_scalarmult_curve25519_donna_c64_implementation;
#else
implementation = &crypto_scalarmult_curve25519_ref10_implementation;
#endif
#ifdef HAVE_AMD64_ASM
if (sodium_runtime_has_avx()) {
implementation = &crypto_scalarmult_curve25519_sandy2x_implementation;
}
#endif
return 0;
}