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AES builds now

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This commit is contained in:
Adam Ierymenko 2020-08-21 09:56:53 -07:00
parent 06730c7d1d
commit 3fd8efe642
8 changed files with 2732 additions and 63 deletions
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79
node/Utils.cpp
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@ -40,8 +40,87 @@
namespace ZeroTier {
const uint64_t Utils::ZERO256[4] = {0ULL,0ULL,0ULL,0ULL};
const char Utils::HEXCHARS[16] = { '0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f' };
#ifdef ZT_ARCH_ARM_HAS_NEON
Utils::ARMCapabilities::ARMCapabilities() noexcept
{
#ifdef HWCAP2_AES
if (sizeof(void *) == 4) {
const long hwcaps2 = getauxval(AT_HWCAP2);
this->aes = (hwcaps2 & HWCAP2_AES) != 0;
this->crc32 = (hwcaps2 & HWCAP2_CRC32) != 0;
this->pmull = (hwcaps2 & HWCAP2_PMULL) != 0;
this->sha1 = (hwcaps2 & HWCAP2_SHA1) != 0;
this->sha2 = (hwcaps2 & HWCAP2_SHA2) != 0;
} else {
#endif
const long hwcaps = getauxval(AT_HWCAP);
this->aes = (hwcaps & HWCAP_AES) != 0;
this->crc32 = (hwcaps & HWCAP_CRC32) != 0;
this->pmull = (hwcaps & HWCAP_PMULL) != 0;
this->sha1 = (hwcaps & HWCAP_SHA1) != 0;
this->sha2 = (hwcaps & HWCAP_SHA2) != 0;
#ifdef HWCAP2_AES
}
#endif
}
const Utils::ARMCapabilities Utils::ARMCAP;
#endif
#ifdef ZT_ARCH_X64
Utils::CPUIDRegisters::CPUIDRegisters() noexcept
{
uint32_t eax, ebx, ecx, edx;
#ifdef __WINDOWS__
int regs[4];
__cpuid(regs,1);
eax = (uint32_t)regs[0];
ebx = (uint32_t)regs[1];
ecx = (uint32_t)regs[2];
edx = (uint32_t)regs[3];
#else
__asm__ __volatile__ (
"cpuid"
: "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx)
: "a"(1), "c"(0)
);
#endif
rdrand = ((ecx & (1U << 30U)) != 0);
aes = (((ecx & (1U << 25U)) != 0) && ((ecx & (1U << 19U)) != 0) && ((ecx & (1U << 1U)) != 0));
avx = ((ecx & (1U << 25U)) != 0);
#ifdef __WINDOWS__
__cpuid(regs,7);
eax = (uint32_t)regs[0];
ebx = (uint32_t)regs[1];
ecx = (uint32_t)regs[2];
edx = (uint32_t)regs[3];
#else
__asm__ __volatile__ (
"cpuid"
: "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx)
: "a"(7), "c"(0)
);
#endif
vaes = aes && avx && ((ecx & (1U << 9U)) != 0);
vpclmulqdq = aes && avx && ((ecx & (1U << 10U)) != 0);
avx2 = avx && ((ebx & (1U << 5U)) != 0);
avx512f = avx && ((ebx & (1U << 16U)) != 0);
sha = ((ebx & (1U << 29U)) != 0);
fsrm = ((edx & (1U << 4U)) != 0);
}
const Utils::CPUIDRegisters Utils::CPUID;
#endif
// Crazy hack to force memory to be securely zeroed in spite of the best efforts of optimizing compilers.
static void _Utils_doBurn(volatile uint8_t *ptr,unsigned int len)
{