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Use X64 ASM ed25519 signatures on Linux/x64, which are about 10X faster. Will matter a lot for network controllers, not so much for other things.

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This commit is contained in:
Adam Ierymenko 2018-03-13 06:51:17 -07:00
commit beb170e4fb
68 changed files with 37123 additions and 68 deletions
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25
ext/ed25519-amd64-asm/keypair.c Normal file
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#include <string.h>
#include "crypto_sign.h"
#include "crypto_hash_sha512.h"
#include "randombytes.h"
#include "ge25519.h"
int crypto_sign_keypair(unsigned char *pk,unsigned char *sk)
{
unsigned char az[64];
sc25519 scsk;
ge25519 gepk;
randombytes(sk,32);
crypto_hash_sha512(az,sk,32);
az[0] &= 248;
az[31] &= 127;
az[31] |= 64;
sc25519_from32bytes(&scsk,az);
ge25519_scalarmult_base(&gepk, &scsk);
ge25519_pack(pk, &gepk);
memmove(sk + 32,pk,32);
return 0;
}