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This commit is contained in:
Adam Ierymenko 2019-08-07 11:20:12 -05:00
parent 455cd5551b
commit 54a1bbd016
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GPG key ID: 1657198823E52A61
14 changed files with 94 additions and 268 deletions
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67
node/ECC384.cpp
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@ -135,72 +135,6 @@ static uint64_t curve_b[NUM_ECC_DIGITS] = CONCAT(Curve_B_, ECC_CURVE);
static EccPoint curve_G = CONCAT(Curve_G_, ECC_CURVE);
static uint64_t curve_n[NUM_ECC_DIGITS] = CONCAT(Curve_N_, ECC_CURVE);
#if 0
#if (defined(_WIN32) || defined(_WIN64))
/* Windows */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <wincrypt.h>
static int getRandomNumber(uint64_t *p_vli)
{
HCRYPTPROV l_prov;
if(!CryptAcquireContext(&l_prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
{
return 0;
}
CryptGenRandom(l_prov, ECC_BYTES, (BYTE *)p_vli);
CryptReleaseContext(l_prov, 0);
return 1;
}
#else /* _WIN32 */
/* Assume that we are using a POSIX-like system with /dev/urandom or /dev/random. */
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
static int getRandomNumber(uint64_t *p_vli)
{
int l_fd = open("/dev/urandom", O_RDONLY | O_CLOEXEC);
if(l_fd == -1)
{
l_fd = open("/dev/random", O_RDONLY | O_CLOEXEC);
if(l_fd == -1)
{
return 0;
}
}
char *l_ptr = (char *)p_vli;
size_t l_left = ECC_BYTES;
while(l_left > 0)
{
int l_read = read(l_fd, l_ptr, l_left);
if(l_read <= 0)
{ // read failed
close(l_fd);
return 0;
}
l_left -= l_read;
l_ptr += l_read;
}
close(l_fd);
return 1;
}
#endif /* _WIN32 */
#endif
// Use ZeroTier's secure PRNG
static inline int getRandomNumber(uint64_t *p_vli)
{
@ -515,7 +449,6 @@ static inline void vli_square(uint64_t *p_result, uint64_t *p_left)
#endif /* SUPPORTS_INT128 */
/* Computes p_result = (p_left + p_right) % p_mod.
Assumes that p_left < p_mod and p_right < p_mod, p_result != p_mod. */
static inline void vli_modAdd(uint64_t *p_result, uint64_t *p_left, uint64_t *p_right, uint64_t *p_mod)