shadps4-emu/ext-cryptopp
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ext-cryptopp/vmac.cpp

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Change file preamble to include "originally written by Wei Dai" We have made a fair number of changes, and we don't want WD to receive credit for issues he was not part of
2017-01-27 12:05:45 +00:00
// vmac.cpp - originally written and placed in the public domain by Wei Dai
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
// based on Ted Krovetz's public domain vmac.c and draft-krovetz-vmac-01.txt
#include "pch.h"
#include "config.h"
#include "vmac.h"
#include "cpu.h"
#include "argnames.h"
#include "secblock.h"
Fix Clang 3.3 and 3.4 compiles (Issue 264)
2016-09-21 17:57:37 +00:00
#if defined(CRYPTOPP_DISABLE_VMAC_ASM)
# undef CRYPTOPP_X86_ASM_AVAILABLE
# undef CRYPTOPP_X32_ASM_AVAILABLE
# undef CRYPTOPP_X64_ASM_AVAILABLE
Remove BOOL macro value (GH #462) Currently the CRYPTOPP_BOOL_XXX macros set the macro value to 0 or 1. If we remove setting the 0 value (the #else part of the expression), then the self tests speed up by about 0.3 seconds. I can't explain it, but I have observed it repeatedly. This check-in prepares for the removal in Upstream master
2017-08-21 01:25:29 +00:00
# undef CRYPTOPP_SSE2_ASM_AVAILABLE
Fix Clang 3.3 and 3.4 compiles (Issue 264)
2016-09-21 17:57:37 +00:00
#endif
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
#if CRYPTOPP_MSC_VERSION
# pragma warning(disable: 4731)
#endif
NAMESPACE_BEGIN(CryptoPP)
#if defined(_MSC_VER) && !CRYPTOPP_BOOL_SLOW_WORD64
#include <intrin.h>
#endif
Updated documentation
2015-12-14 20:50:56 +00:00
#if defined(CRYPTOPP_WORD128_AVAILABLE) && !defined(CRYPTOPP_X64_ASM_AVAILABLE)
# define VMAC_BOOL_WORD128 1
#else
# define VMAC_BOOL_WORD128 0
#endif
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
#ifdef __BORLANDC__
#define const // Turbo C++ 2006 workaround
#endif
static const word64 p64 = W64LIT(0xfffffffffffffeff); /* 2^64 - 257 prime */
static const word64 m62 = W64LIT(0x3fffffffffffffff); /* 62-bit mask */
static const word64 m63 = W64LIT(0x7fffffffffffffff); /* 63-bit mask */
static const word64 m64 = W64LIT(0xffffffffffffffff); /* 64-bit mask */
static const word64 mpoly = W64LIT(0x1fffffff1fffffff); /* Poly key mask */
#ifdef __BORLANDC__
#undef const
#endif
#if VMAC_BOOL_WORD128
#ifdef __powerpc__
// workaround GCC Bug 31690: ICE with const __uint128_t and C++ front-end
#define m126 ((word128(m62)<<64)|m64)
#else
static const word128 m126 = (word128(m62)<<64)|m64; /* 126-bit mask */
#endif
#endif
void VMAC_Base::UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &params)
{
int digestLength = params.GetIntValueWithDefault(Name::DigestSize(), DefaultDigestSize());
if (digestLength != 8 && digestLength != 16)
throw InvalidArgument("VMAC: DigestSize must be 8 or 16");
m_is128 = digestLength == 16;
m_L1KeyLength = params.GetIntValueWithDefault(Name::L1KeyLength(), 128);
if (m_L1KeyLength <= 0 || m_L1KeyLength % 128 != 0)
throw InvalidArgument("VMAC: L1KeyLength must be a positive multiple of 128");
AllocateBlocks();
BlockCipher &cipher = AccessCipher();
cipher.SetKey(userKey, keylength, params);
const unsigned int blockSize = cipher.BlockSize();
const unsigned int blockSizeInWords = blockSize / sizeof(word64);
Align buffers for Poly1305 and VMAC
2017-09-05 20:43:29 +00:00
SecBlock<word64, AllocatorWithCleanup<word64, true> > out(blockSizeInWords);
AlignedSecByteBlock in;
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
in.CleanNew(blockSize);
size_t i;
/* Fill nh key */
Whitespace checkin
2016-09-10 08:57:48 +00:00
in[0] = 0x80;
Add C++ nullptr support (Issue 383)
2017-03-01 11:10:06 +00:00
cipher.AdvancedProcessBlocks(in, NULLPTR, (byte *)m_nhKey(), m_nhKeySize()*sizeof(word64), cipher.BT_InBlockIsCounter);
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
ConditionalByteReverse<word64>(BIG_ENDIAN_ORDER, m_nhKey(), m_nhKey(), m_nhKeySize()*sizeof(word64));
/* Fill poly key */
in[0] = 0xC0;
in[15] = 0;
for (i = 0; i <= (size_t)m_is128; i++)
{
cipher.ProcessBlock(in, out.BytePtr());
m_polyState()[i*4+2] = GetWord<word64>(true, BIG_ENDIAN_ORDER, out.BytePtr()) & mpoly;
m_polyState()[i*4+3] = GetWord<word64>(true, BIG_ENDIAN_ORDER, out.BytePtr()+8) & mpoly;
in[15]++;
}
/* Fill ip key */
in[0] = 0xE0;
in[15] = 0;
word64 *l3Key = m_l3Key();
Add CRYPTOPP_ASSERT (Issue 277, CVE-2016-7420) trap.h and CRYPTOPP_ASSERT has existed for over a year in Master. We deferred on the cut-over waiting for a minor version bump (5.7). We have to use it now due to CVE-2016-7420
2016-09-16 15:27:15 +00:00
CRYPTOPP_ASSERT(IsAlignedOn(l3Key,GetAlignmentOf<word64>()));
Cleared -Wcast-align (Issue 122)
2016-01-25 05:12:37 +00:00
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
for (i = 0; i <= (size_t)m_is128; i++)
do
{
cipher.ProcessBlock(in, out.BytePtr());
l3Key[i*2+0] = GetWord<word64>(true, BIG_ENDIAN_ORDER, out.BytePtr());
l3Key[i*2+1] = GetWord<word64>(true, BIG_ENDIAN_ORDER, out.BytePtr()+8);
in[15]++;
} while ((l3Key[i*2+0] >= p64) || (l3Key[i*2+1] >= p64));
m_padCached = false;
size_t nonceLength;
const byte *nonce = GetIVAndThrowIfInvalid(params, nonceLength);
Resynchronize(nonce, (int)nonceLength);
}
void VMAC_Base::GetNextIV(RandomNumberGenerator &rng, byte *IV)
{
SimpleKeyingInterface::GetNextIV(rng, IV);
IV[0] &= 0x7f;
}
void VMAC_Base::Resynchronize(const byte *nonce, int len)
{
size_t length = ThrowIfInvalidIVLength(len);
size_t s = IVSize();
byte *storedNonce = m_nonce();
if (m_is128)
{
memset(storedNonce, 0, s-length);
memcpy(storedNonce+s-length, nonce, length);
AccessCipher().ProcessBlock(storedNonce, m_pad());
}
else
{
if (m_padCached && (storedNonce[s-1] | 1) == (nonce[length-1] | 1))
{
m_padCached = VerifyBufsEqual(storedNonce+s-length, nonce, length-1);
for (size_t i=0; m_padCached && i<s-length; i++)
m_padCached = (storedNonce[i] == 0);
}
if (!m_padCached)
{
memset(storedNonce, 0, s-length);
memcpy(storedNonce+s-length, nonce, length-1);
storedNonce[s-1] = nonce[length-1] & 0xfe;
AccessCipher().ProcessBlock(storedNonce, m_pad());
m_padCached = true;
}
storedNonce[s-1] = nonce[length-1];
}
m_isFirstBlock = true;
Restart();
}
void VMAC_Base::HashEndianCorrectedBlock(const word64 *data)
{
CRYPTOPP_UNUSED(data);
Add CRYPTOPP_ASSERT (Issue 277, CVE-2016-7420) trap.h and CRYPTOPP_ASSERT has existed for over a year in Master. We deferred on the cut-over waiting for a minor version bump (5.7). We have to use it now due to CVE-2016-7420
2016-09-16 15:27:15 +00:00
CRYPTOPP_ASSERT(false);
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
throw NotImplemented("VMAC: HashEndianCorrectedBlock is not implemented");
}
unsigned int VMAC_Base::OptimalDataAlignment() const
{
Whitespace checkin
2016-09-10 08:57:48 +00:00
return
Remove BOOL macro value (GH #462) Currently the CRYPTOPP_BOOL_XXX macros set the macro value to 0 or 1. If we remove setting the 0 value (the #else part of the expression), then the self tests speed up by about 0.3 seconds. I can't explain it, but I have observed it repeatedly. This check-in prepares for the removal in Upstream master
2017-08-21 01:25:29 +00:00
#if CRYPTOPP_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
Whitespace checkin
2016-09-10 08:57:48 +00:00
HasSSE2() ? 16 :
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
#endif
GetCipher().OptimalDataAlignment();
}
Remove BOOL macro value (GH #462) Currently the CRYPTOPP_BOOL_XXX macros set the macro value to 0 or 1. If we remove setting the 0 value (the #else part of the expression), then the self tests speed up by about 0.3 seconds. I can't explain it, but I have observed it repeatedly. This check-in prepares for the removal in Upstream master
2017-08-21 01:25:29 +00:00
#if CRYPTOPP_SSE2_ASM_AVAILABLE && (CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32)
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
#if CRYPTOPP_MSC_VERSION
# pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code
#endif
void
#ifdef __GNUC__
__attribute__ ((noinline)) // Intel Compiler 9.1 workaround
#endif
VMAC_Base::VHASH_Update_SSE2(const word64 *data, size_t blocksRemainingInWord64, int tagPart)
{
Add CRYPTOPP_ASSERT (Issue 277, CVE-2016-7420) trap.h and CRYPTOPP_ASSERT has existed for over a year in Master. We deferred on the cut-over waiting for a minor version bump (5.7). We have to use it now due to CVE-2016-7420
2016-09-16 15:27:15 +00:00
CRYPTOPP_ASSERT(IsAlignedOn(m_polyState(),GetAlignmentOf<word64>()));
CRYPTOPP_ASSERT(IsAlignedOn(m_nhKey(),GetAlignmentOf<word64>()));
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
Cleared -Wcast-align (Issue 122)
2016-01-25 03:01:24 +00:00
const word64 *nhK = m_nhKey();
word64 *polyS = (word64*)(void*)m_polyState();
word32 L1KeyLength = m_L1KeyLength;
Fixed unused variable warnings
2016-01-25 13:58:33 +00:00
// These are used in the ASM, but some analysis engines cnnot determine it.
CRYPTOPP_UNUSED(data); CRYPTOPP_UNUSED(tagPart); CRYPTOPP_UNUSED(L1KeyLength);
CRYPTOPP_UNUSED(blocksRemainingInWord64);
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
#ifdef __GNUC__
word32 temp;
__asm__ __volatile__
(
AS2( mov %%ebx, %0)
AS2( mov %1, %%ebx)
Cleared issues 11,12,13 (Clang integrated assembler), 58 (RC rollup), 66 (Coverity rollup)
2015-11-18 20:32:28 +00:00
INTEL_NOPREFIX
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
#else
Removed VC++ 5.0 and 6.0 workarounds (Issue 342)
2016-12-03 10:05:56 +00:00
#if defined(__INTEL_COMPILER)
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
char isFirstBlock = m_isFirstBlock;
AS2( mov ebx, [L1KeyLength])
AS2( mov dl, [isFirstBlock])
#else
AS2( mov ecx, this)
AS2( mov ebx, [ecx+m_L1KeyLength])
AS2( mov dl, [ecx+m_isFirstBlock])
#endif
AS2( mov eax, tagPart)
AS2( shl eax, 4)
AS2( mov edi, nhK)
AS2( add edi, eax)
AS2( add eax, eax)
AS2( add eax, polyS)
AS2( mov esi, data)
AS2( mov ecx, blocksRemainingInWord64)
#endif
AS2( shr ebx, 3)
#if CRYPTOPP_BOOL_X32
AS_PUSH_IF86( bp)
AS2( sub esp, 24)
#else
AS_PUSH_IF86( bp)
AS2( sub esp, 12)
#endif
ASL(4)
AS2( mov ebp, ebx)
AS2( cmp ecx, ebx)
AS2( cmovl ebp, ecx)
AS2( sub ecx, ebp)
AS2( lea ebp, [edi+8*ebp]) // end of nhK
AS2( movq mm6, [esi])
AS2( paddq mm6, [edi])
AS2( movq mm5, [esi+8])
AS2( paddq mm5, [edi+8])
AS2( add esi, 16)
AS2( add edi, 16)
AS2( movq mm4, mm6)
ASS( pshufw mm2, mm6, 1, 0, 3, 2)
AS2( pmuludq mm6, mm5)
ASS( pshufw mm3, mm5, 1, 0, 3, 2)
AS2( pmuludq mm5, mm2)
AS2( pmuludq mm2, mm3)
AS2( pmuludq mm3, mm4)
AS2( pxor mm7, mm7)
AS2( movd [esp], mm6)
AS2( psrlq mm6, 32)
#if CRYPTOPP_BOOL_X32
AS2( movd [esp+8], mm5)
#else
AS2( movd [esp+4], mm5)
#endif
AS2( psrlq mm5, 32)
AS2( cmp edi, ebp)
ASJ( je, 1, f)
ASL(0)
AS2( movq mm0, [esi])
AS2( paddq mm0, [edi])
AS2( movq mm1, [esi+8])
AS2( paddq mm1, [edi+8])
AS2( add esi, 16)
AS2( add edi, 16)
AS2( movq mm4, mm0)
AS2( paddq mm5, mm2)
ASS( pshufw mm2, mm0, 1, 0, 3, 2)
AS2( pmuludq mm0, mm1)
#if CRYPTOPP_BOOL_X32
AS2( movd [esp+16], mm3)
#else
AS2( movd [esp+8], mm3)
#endif
AS2( psrlq mm3, 32)
AS2( paddq mm5, mm3)
ASS( pshufw mm3, mm1, 1, 0, 3, 2)
AS2( pmuludq mm1, mm2)
AS2( pmuludq mm2, mm3)
AS2( pmuludq mm3, mm4)
AS2( movd mm4, [esp])
AS2( paddq mm7, mm4)
#if CRYPTOPP_BOOL_X32
AS2( movd mm4, [esp+8])
AS2( paddq mm6, mm4)
AS2( movd mm4, [esp+16])
#else
AS2( movd mm4, [esp+4])
AS2( paddq mm6, mm4)
AS2( movd mm4, [esp+8])
#endif
AS2( paddq mm6, mm4)
AS2( movd [esp], mm0)
AS2( psrlq mm0, 32)
AS2( paddq mm6, mm0)
#if CRYPTOPP_BOOL_X32
AS2( movd [esp+8], mm1)
#else
AS2( movd [esp+4], mm1)
#endif
AS2( psrlq mm1, 32)
AS2( paddq mm5, mm1)
AS2( cmp edi, ebp)
ASJ( jne, 0, b)
ASL(1)
AS2( paddq mm5, mm2)
#if CRYPTOPP_BOOL_X32
AS2( movd [esp+16], mm3)
#else
AS2( movd [esp+8], mm3)
#endif
AS2( psrlq mm3, 32)
AS2( paddq mm5, mm3)
AS2( movd mm4, [esp])
AS2( paddq mm7, mm4)
#if CRYPTOPP_BOOL_X32
AS2( movd mm4, [esp+8])
AS2( paddq mm6, mm4)
AS2( movd mm4, [esp+16])
#else
AS2( movd mm4, [esp+4])
AS2( paddq mm6, mm4)
AS2( movd mm4, [esp+8])
#endif
AS2( paddq mm6, mm4)
AS2( lea ebp, [8*ebx])
AS2( sub edi, ebp) // reset edi to start of nhK
AS2( movd [esp], mm7)
AS2( psrlq mm7, 32)
AS2( paddq mm6, mm7)
#if CRYPTOPP_BOOL_X32
AS2( movd [esp+8], mm6)
#else
AS2( movd [esp+4], mm6)
#endif
AS2( psrlq mm6, 32)
AS2( paddq mm5, mm6)
AS2( psllq mm5, 2)
AS2( psrlq mm5, 2)
#define a0 [eax+2*4]
#define a1 [eax+3*4]
#define a2 [eax+0*4]
#define a3 [eax+1*4]
#define k0 [eax+2*8+2*4]
#define k1 [eax+2*8+3*4]
#define k2 [eax+2*8+0*4]
#define k3 [eax+2*8+1*4]
AS2( test dl, dl)
ASJ( jz, 2, f)
AS2( movd mm1, k0)
AS2( movd mm0, [esp])
AS2( paddq mm0, mm1)
AS2( movd a0, mm0)
AS2( psrlq mm0, 32)
AS2( movd mm1, k1)
#if CRYPTOPP_BOOL_X32
AS2( movd mm2, [esp+8])
#else
AS2( movd mm2, [esp+4])
#endif
AS2( paddq mm1, mm2)
AS2( paddq mm0, mm1)
AS2( movd a1, mm0)
AS2( psrlq mm0, 32)
AS2( paddq mm5, k2)
AS2( paddq mm0, mm5)
AS2( movq a2, mm0)
AS2( xor edx, edx)
ASJ( jmp, 3, f)
ASL(2)
AS2( movd mm0, a3)
AS2( movq mm4, mm0)
AS2( pmuludq mm0, k3) // a3*k3
AS2( movd mm1, a0)
AS2( pmuludq mm1, k2) // a0*k2
AS2( movd mm2, a1)
AS2( movd mm6, k1)
AS2( pmuludq mm2, mm6) // a1*k1
AS2( movd mm3, a2)
AS2( psllq mm0, 1)
AS2( paddq mm0, mm5)
AS2( movq mm5, mm3)
AS2( movd mm7, k0)
AS2( pmuludq mm3, mm7) // a2*k0
AS2( pmuludq mm4, mm7) // a3*k0
AS2( pmuludq mm5, mm6) // a2*k1
AS2( paddq mm0, mm1)
AS2( movd mm1, a1)
AS2( paddq mm4, mm5)
AS2( movq mm5, mm1)
AS2( pmuludq mm1, k2) // a1*k2
AS2( paddq mm0, mm2)
AS2( movd mm2, a0)
AS2( paddq mm0, mm3)
AS2( movq mm3, mm2)
AS2( pmuludq mm2, k3) // a0*k3
AS2( pmuludq mm3, mm7) // a0*k0
#if CRYPTOPP_BOOL_X32
AS2( movd [esp+16], mm0)
#else
AS2( movd [esp+8], mm0)
#endif
AS2( psrlq mm0, 32)
AS2( pmuludq mm7, mm5) // a1*k0
AS2( pmuludq mm5, k3) // a1*k3
AS2( paddq mm0, mm1)
AS2( movd mm1, a2)
AS2( pmuludq mm1, k2) // a2*k2
AS2( paddq mm0, mm2)
AS2( paddq mm0, mm4)
AS2( movq mm4, mm0)
AS2( movd mm2, a3)
AS2( pmuludq mm2, mm6) // a3*k1
AS2( pmuludq mm6, a0) // a0*k1
AS2( psrlq mm0, 31)
AS2( paddq mm0, mm3)
AS2( movd mm3, [esp])
AS2( paddq mm0, mm3)
AS2( movd mm3, a2)
AS2( pmuludq mm3, k3) // a2*k3
AS2( paddq mm5, mm1)
AS2( movd mm1, a3)
AS2( pmuludq mm1, k2) // a3*k2
AS2( paddq mm5, mm2)
#if CRYPTOPP_BOOL_X32
AS2( movd mm2, [esp+8])
#else
AS2( movd mm2, [esp+4])
#endif
AS2( psllq mm5, 1)
AS2( paddq mm0, mm5)
AS2( psllq mm4, 33)
AS2( movd a0, mm0)
AS2( psrlq mm0, 32)
AS2( paddq mm6, mm7)
#if CRYPTOPP_BOOL_X32
AS2( movd mm7, [esp+16])
#else
AS2( movd mm7, [esp+8])
#endif
AS2( paddq mm0, mm6)
AS2( paddq mm0, mm2)
AS2( paddq mm3, mm1)
AS2( psllq mm3, 1)
AS2( paddq mm0, mm3)
AS2( psrlq mm4, 1)
AS2( movd a1, mm0)
AS2( psrlq mm0, 32)
AS2( por mm4, mm7)
AS2( paddq mm0, mm4)
AS2( movq a2, mm0)
#undef a0
#undef a1
#undef a2
#undef a3
#undef k0
#undef k1
#undef k2
#undef k3
ASL(3)
AS2( test ecx, ecx)
ASJ( jnz, 4, b)
#if CRYPTOPP_BOOL_X32
AS2( add esp, 24)
#else
AS2( add esp, 12)
#endif
AS_POP_IF86( bp)
AS1( emms)
#ifdef __GNUC__
Cleared issues 11,12,13 (Clang integrated assembler), 58 (RC rollup), 66 (Coverity rollup)
2015-11-18 20:32:28 +00:00
ATT_PREFIX
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
AS2( mov %0, %%ebx)
: "=m" (temp)
: "m" (L1KeyLength), "c" (blocksRemainingInWord64), "S" (data), "D" (nhK+tagPart*2), "d" (m_isFirstBlock), "a" (polyS+tagPart*4)
: "memory", "cc"
);
#endif
}
#endif
#if VMAC_BOOL_WORD128
#define DeclareNH(a) word128 a=0
#define MUL64(rh,rl,i1,i2) {word128 p = word128(i1)*(i2); rh = word64(p>>64); rl = word64(p);}
#define AccumulateNH(a, b, c) a += word128(b)*(c)
#define Multiply128(r, i1, i2) r = word128(word64(i1)) * word64(i2)
#else
Microsoft ARM support * Adjusted config to compile for Microsoft ARM (e.g. Windows Universal apps)
2015-12-14 14:49:49 +00:00
#if _MSC_VER >= 1400 && !defined(__INTEL_COMPILER) && !defined(_M_ARM)
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
#define MUL32(a, b) __emulu(word32(a), word32(b))
#else
#define MUL32(a, b) ((word64)((word32)(a)) * (word32)(b))
#endif
#if defined(CRYPTOPP_X64_ASM_AVAILABLE)
#define DeclareNH(a) word64 a##0=0, a##1=0
#define MUL64(rh,rl,i1,i2) asm ("mulq %3" : "=a"(rl), "=d"(rh) : "a"(i1), "g"(i2) : "cc");
#define AccumulateNH(a, b, c) asm ("mulq %3; addq %%rax, %0; adcq %%rdx, %1" : "+r"(a##0), "+r"(a##1) : "a"(b), "g"(c) : "%rdx", "cc");
#define ADD128(rh,rl,ih,il) asm ("addq %3, %1; adcq %2, %0" : "+r"(rh),"+r"(rl) : "r"(ih),"r"(il) : "cc");
#elif defined(_MSC_VER) && !CRYPTOPP_BOOL_SLOW_WORD64
#define DeclareNH(a) word64 a##0=0, a##1=0
#define MUL64(rh,rl,i1,i2) (rl) = _umul128(i1,i2,&(rh));
#define AccumulateNH(a, b, c) {\
word64 ph, pl;\
pl = _umul128(b,c,&ph);\
a##0 += pl;\
a##1 += ph + (a##0 < pl);}
#else
#define VMAC_BOOL_32BIT 1
#define DeclareNH(a) word64 a##0=0, a##1=0, a##2=0
#define MUL64(rh,rl,i1,i2) \
{ word64 _i1 = (i1), _i2 = (i2); \
word64 m1= MUL32(_i1,_i2>>32); \
word64 m2= MUL32(_i1>>32,_i2); \
rh = MUL32(_i1>>32,_i2>>32); \
rl = MUL32(_i1,_i2); \
ADD128(rh,rl,(m1 >> 32),(m1 << 32)); \
ADD128(rh,rl,(m2 >> 32),(m2 << 32)); \
}
#define AccumulateNH(a, b, c) {\
word64 p = MUL32(b, c);\
a##1 += word32((p)>>32);\
a##0 += word32(p);\
p = MUL32((b)>>32, c);\
a##2 += word32((p)>>32);\
a##1 += word32(p);\
p = MUL32((b)>>32, (c)>>32);\
a##2 += p;\
p = MUL32(b, (c)>>32);\
a##1 += word32(p);\
a##2 += word32(p>>32);}
#endif
#endif
#ifndef VMAC_BOOL_32BIT
#define VMAC_BOOL_32BIT 0
#endif
#ifndef ADD128
#define ADD128(rh,rl,ih,il) \
{ word64 _il = (il); \
(rl) += (_il); \
(rh) += (ih) + ((rl) < (_il)); \
}
#endif
template <bool T_128BitTag>
void VMAC_Base::VHASH_Update_Template(const word64 *data, size_t blocksRemainingInWord64)
{
Add CRYPTOPP_ASSERT (Issue 277, CVE-2016-7420) trap.h and CRYPTOPP_ASSERT has existed for over a year in Master. We deferred on the cut-over waiting for a minor version bump (5.7). We have to use it now due to CVE-2016-7420
2016-09-16 15:27:15 +00:00
CRYPTOPP_ASSERT(IsAlignedOn(m_polyState(),GetAlignmentOf<word64>()));
CRYPTOPP_ASSERT(IsAlignedOn(m_nhKey(),GetAlignmentOf<word64>()));
Cleared -Wcast-align (Issue 122)
2016-01-25 03:01:24 +00:00
Some fixes related to SunCC compiler bugs. Fixes for "invalid address alignment" errors. See https://groups.google.com/d/topic/cryptopp-users/OYaByDEbSI0/discussion for details. Changed config.h in accordance to Jeffrey Walton's request;
2017-04-21 20:26:16 +00:00
#define INNER_LOOP_ITERATION(j) {\
Revert "Some fixes related to SunCC compiler bugs." This reverts commit 72d8cbe9177bade320b51c149aac1c67c4dd13ec.
2017-04-27 18:50:47 +00:00
word64 d0 = ConditionalByteReverse(LITTLE_ENDIAN_ORDER, data[i+2*j+0]);\
word64 d1 = ConditionalByteReverse(LITTLE_ENDIAN_ORDER, data[i+2*j+1]);\
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
AccumulateNH(nhA, d0+nhK[i+2*j+0], d1+nhK[i+2*j+1]);\
if (T_128BitTag)\
AccumulateNH(nhB, d0+nhK[i+2*j+2], d1+nhK[i+2*j+3]);\
}
size_t L1KeyLengthInWord64 = m_L1KeyLength / 8;
size_t innerLoopEnd = L1KeyLengthInWord64;
const word64 *nhK = m_nhKey();
Cleared -Wcast-align (Issue 122)
2016-01-25 03:01:24 +00:00
word64 *polyS = (word64*)(void*)m_polyState();
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
bool isFirstBlock = true;
size_t i;
#if !VMAC_BOOL_32BIT
#if VMAC_BOOL_WORD128
word128 a1=0, a2=0;
#else
word64 ah1=0, al1=0, ah2=0, al2=0;
#endif
word64 kh1, kl1, kh2, kl2;
kh1=(polyS+0*4+2)[0]; kl1=(polyS+0*4+2)[1];
if (T_128BitTag)
{
kh2=(polyS+1*4+2)[0]; kl2=(polyS+1*4+2)[1];
}
#endif
do
{
DeclareNH(nhA);
DeclareNH(nhB);
i = 0;
if (blocksRemainingInWord64 < L1KeyLengthInWord64)
{
if (blocksRemainingInWord64 % 8)
{
innerLoopEnd = blocksRemainingInWord64 % 8;
for (; i<innerLoopEnd; i+=2)
INNER_LOOP_ITERATION(0);
}
innerLoopEnd = blocksRemainingInWord64;
}
for (; i<innerLoopEnd; i+=8)
{
INNER_LOOP_ITERATION(0);
INNER_LOOP_ITERATION(1);
INNER_LOOP_ITERATION(2);
INNER_LOOP_ITERATION(3);
}
blocksRemainingInWord64 -= innerLoopEnd;
data += innerLoopEnd;
#if VMAC_BOOL_32BIT
word32 nh0[2], nh1[2];
word64 nh2[2];
nh0[0] = word32(nhA0);
nhA1 += (nhA0 >> 32);
nh1[0] = word32(nhA1);
nh2[0] = (nhA2 + (nhA1 >> 32)) & m62;
if (T_128BitTag)
{
nh0[1] = word32(nhB0);
nhB1 += (nhB0 >> 32);
nh1[1] = word32(nhB1);
nh2[1] = (nhB2 + (nhB1 >> 32)) & m62;
}
#define a0 (((word32 *)(polyS+i*4))[2+NativeByteOrder::ToEnum()])
#define a1 (*(((word32 *)(polyS+i*4))+3-NativeByteOrder::ToEnum())) // workaround for GCC 3.2
#define a2 (((word32 *)(polyS+i*4))[0+NativeByteOrder::ToEnum()])
#define a3 (*(((word32 *)(polyS+i*4))+1-NativeByteOrder::ToEnum()))
#define aHi ((polyS+i*4)[0])
#define k0 (((word32 *)(polyS+i*4+2))[2+NativeByteOrder::ToEnum()])
#define k1 (*(((word32 *)(polyS+i*4+2))+3-NativeByteOrder::ToEnum()))
#define k2 (((word32 *)(polyS+i*4+2))[0+NativeByteOrder::ToEnum()])
#define k3 (*(((word32 *)(polyS+i*4+2))+1-NativeByteOrder::ToEnum()))
#define kHi ((polyS+i*4+2)[0])
if (isFirstBlock)
{
isFirstBlock = false;
if (m_isFirstBlock)
{
m_isFirstBlock = false;
for (i=0; i<=(size_t)T_128BitTag; i++)
{
word64 t = (word64)nh0[i] + k0;
a0 = (word32)t;
t = (t >> 32) + nh1[i] + k1;
a1 = (word32)t;
aHi = (t >> 32) + nh2[i] + kHi;
}
continue;
}
}
for (i=0; i<=(size_t)T_128BitTag; i++)
{
word64 p, t;
word32 t2;
p = MUL32(a3, 2*k3);
p += nh2[i];
p += MUL32(a0, k2);
p += MUL32(a1, k1);
p += MUL32(a2, k0);
t2 = (word32)p;
p >>= 32;
p += MUL32(a0, k3);
p += MUL32(a1, k2);
p += MUL32(a2, k1);
p += MUL32(a3, k0);
t = (word64(word32(p) & 0x7fffffff) << 32) | t2;
p >>= 31;
p += nh0[i];
p += MUL32(a0, k0);
p += MUL32(a1, 2*k3);
p += MUL32(a2, 2*k2);
p += MUL32(a3, 2*k1);
t2 = (word32)p;
p >>= 32;
p += nh1[i];
p += MUL32(a0, k1);
p += MUL32(a1, k0);
p += MUL32(a2, 2*k3);
p += MUL32(a3, 2*k2);
a0 = t2;
a1 = (word32)p;
aHi = (p >> 32) + t;
}
#undef a0
#undef a1
#undef a2
#undef a3
#undef aHi
#undef k0
#undef k1
#undef k2
Whitespace checkin
2016-09-10 08:57:48 +00:00
#undef k3
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
#undef kHi
#else // #if VMAC_BOOL_32BIT
if (isFirstBlock)
{
isFirstBlock = false;
if (m_isFirstBlock)
{
m_isFirstBlock = false;
#if VMAC_BOOL_WORD128
#define first_poly_step(a, kh, kl, m) a = (m & m126) + ((word128(kh) << 64) | kl)
first_poly_step(a1, kh1, kl1, nhA);
if (T_128BitTag)
first_poly_step(a2, kh2, kl2, nhB);
#else
#define first_poly_step(ah, al, kh, kl, mh, ml) {\
mh &= m62;\
ADD128(mh, ml, kh, kl); \
ah = mh; al = ml;}
first_poly_step(ah1, al1, kh1, kl1, nhA1, nhA0);
if (T_128BitTag)
first_poly_step(ah2, al2, kh2, kl2, nhB1, nhB0);
#endif
continue;
}
else
{
#if VMAC_BOOL_WORD128
a1 = (word128((polyS+0*4)[0]) << 64) | (polyS+0*4)[1];
#else
ah1=(polyS+0*4)[0]; al1=(polyS+0*4)[1];
#endif
if (T_128BitTag)
{
#if VMAC_BOOL_WORD128
a2 = (word128((polyS+1*4)[0]) << 64) | (polyS+1*4)[1];
#else
ah2=(polyS+1*4)[0]; al2=(polyS+1*4)[1];
#endif
}
}
}
#if VMAC_BOOL_WORD128
#define poly_step(a, kh, kl, m) \
{ word128 t1, t2, t3, t4;\
Multiply128(t2, a>>64, kl);\
Multiply128(t3, a, kh);\
Multiply128(t1, a, kl);\
Multiply128(t4, a>>64, 2*kh);\
t2 += t3;\
t4 += t1;\
t2 += t4>>64;\
a = (word128(word64(t2)&m63) << 64) | word64(t4);\
t2 *= 2;\
a += m & m126;\
a += t2>>64;}
poly_step(a1, kh1, kl1, nhA);
if (T_128BitTag)
poly_step(a2, kh2, kl2, nhB);
#else
#define poly_step(ah, al, kh, kl, mh, ml) \
{ word64 t1h, t1l, t2h, t2l, t3h, t3l, z=0; \
/* compute ab*cd, put bd into result registers */ \
MUL64(t2h,t2l,ah,kl); \
MUL64(t3h,t3l,al,kh); \
MUL64(t1h,t1l,ah,2*kh); \
MUL64(ah,al,al,kl); \
/* add together ad + bc */ \
ADD128(t2h,t2l,t3h,t3l); \
/* add 2 * ac to result */ \
ADD128(ah,al,t1h,t1l); \
/* now (ah,al), (t2l,2*t2h) need summing */ \
/* first add the high registers, carrying into t2h */ \
ADD128(t2h,ah,z,t2l); \
/* double t2h and add top bit of ah */ \
t2h += t2h + (ah >> 63); \
ah &= m63; \
/* now add the low registers */ \
mh &= m62; \
ADD128(ah,al,mh,ml); \
ADD128(ah,al,z,t2h); \
}
poly_step(ah1, al1, kh1, kl1, nhA1, nhA0);
if (T_128BitTag)
poly_step(ah2, al2, kh2, kl2, nhB1, nhB0);
#endif
#endif // #if VMAC_BOOL_32BIT
} while (blocksRemainingInWord64);
#if VMAC_BOOL_WORD128
(polyS+0*4)[0]=word64(a1>>64); (polyS+0*4)[1]=word64(a1);
if (T_128BitTag)
{
(polyS+1*4)[0]=word64(a2>>64); (polyS+1*4)[1]=word64(a2);
}
#elif !VMAC_BOOL_32BIT
(polyS+0*4)[0]=ah1; (polyS+0*4)[1]=al1;
if (T_128BitTag)
{
(polyS+1*4)[0]=ah2; (polyS+1*4)[1]=al2;
}
#endif
}
inline void VMAC_Base::VHASH_Update(const word64 *data, size_t blocksRemainingInWord64)
{
Remove BOOL macro value (GH #462) Currently the CRYPTOPP_BOOL_XXX macros set the macro value to 0 or 1. If we remove setting the 0 value (the #else part of the expression), then the self tests speed up by about 0.3 seconds. I can't explain it, but I have observed it repeatedly. This check-in prepares for the removal in Upstream master
2017-08-21 01:25:29 +00:00
#if CRYPTOPP_SSE2_ASM_AVAILABLE && (CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32)
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
if (HasSSE2())
{
VHASH_Update_SSE2(data, blocksRemainingInWord64, 0);
if (m_is128)
VHASH_Update_SSE2(data, blocksRemainingInWord64, 1);
m_isFirstBlock = false;
}
else
#endif
{
if (m_is128)
VHASH_Update_Template<true>(data, blocksRemainingInWord64);
else
VHASH_Update_Template<false>(data, blocksRemainingInWord64);
}
}
size_t VMAC_Base::HashMultipleBlocks(const word64 *data, size_t length)
{
size_t remaining = ModPowerOf2(length, m_L1KeyLength);
VHASH_Update(data, (length-remaining)/8);
return remaining;
}
static word64 L3Hash(const word64 *input, const word64 *l3Key, size_t len)
{
word64 rh, rl, t, z=0;
word64 p1 = input[0], p2 = input[1];
word64 k1 = l3Key[0], k2 = l3Key[1];
/* fully reduce (p1,p2)+(len,0) mod p127 */
t = p1 >> 63;
p1 &= m63;
ADD128(p1, p2, len, t);
/* At this point, (p1,p2) is at most 2^127+(len<<64) */
t = (p1 > m63) + ((p1 == m63) & (p2 == m64));
ADD128(p1, p2, z, t);
p1 &= m63;
/* compute (p1,p2)/(2^64-2^32) and (p1,p2)%(2^64-2^32) */
t = p1 + (p2 >> 32);
t += (t >> 32);
t += (word32)t > 0xfffffffeU;
p1 += (t >> 32);
p2 += (p1 << 32);
/* compute (p1+k1)%p64 and (p2+k2)%p64 */
p1 += k1;
p1 += (0 - (p1 < k1)) & 257;
p2 += k2;
p2 += (0 - (p2 < k2)) & 257;
/* compute (p1+k1)*(p2+k2)%p64 */
MUL64(rh, rl, p1, p2);
t = rh >> 56;
ADD128(t, rl, z, rh);
rh <<= 8;
ADD128(t, rl, z, rh);
t += t << 8;
rl += t;
rl += (0 - (rl < t)) & 257;
rl += (0 - (rl > p64-1)) & 257;
return rl;
}
void VMAC_Base::TruncatedFinal(byte *mac, size_t size)
{
Add CRYPTOPP_ASSERT (Issue 277, CVE-2016-7420) trap.h and CRYPTOPP_ASSERT has existed for over a year in Master. We deferred on the cut-over waiting for a minor version bump (5.7). We have to use it now due to CVE-2016-7420
2016-09-16 15:27:15 +00:00
CRYPTOPP_ASSERT(IsAlignedOn(DataBuf(),GetAlignmentOf<word64>()));
CRYPTOPP_ASSERT(IsAlignedOn(m_polyState(),GetAlignmentOf<word64>()));
CRYPTOPP 5.6.3 RC6 checkin
2015-11-05 06:59:46 +00:00
size_t len = ModPowerOf2(GetBitCountLo()/8, m_L1KeyLength);
if (len)
{
memset(m_data()+len, 0, (0-len)%16);
VHASH_Update(DataBuf(), ((len+15)/16)*2);
len *= 8; // convert to bits
}
else if (m_isFirstBlock)
{
// special case for empty string
m_polyState()[0] = m_polyState()[2];
m_polyState()[1] = m_polyState()[3];
if (m_is128)
{
m_polyState()[4] = m_polyState()[6];
m_polyState()[5] = m_polyState()[7];
}
}
if (m_is128)
{
word64 t[2];
t[0] = L3Hash(m_polyState(), m_l3Key(), len) + GetWord<word64>(true, BIG_ENDIAN_ORDER, m_pad());
t[1] = L3Hash(m_polyState()+4, m_l3Key()+2, len) + GetWord<word64>(true, BIG_ENDIAN_ORDER, m_pad()+8);
if (size == 16)
{
PutWord(false, BIG_ENDIAN_ORDER, mac, t[0]);
PutWord(false, BIG_ENDIAN_ORDER, mac+8, t[1]);
}
else
{
t[0] = ConditionalByteReverse(BIG_ENDIAN_ORDER, t[0]);
t[1] = ConditionalByteReverse(BIG_ENDIAN_ORDER, t[1]);
memcpy(mac, t, size);
}
}
else
{
word64 t = L3Hash(m_polyState(), m_l3Key(), len);
t += GetWord<word64>(true, BIG_ENDIAN_ORDER, m_pad() + (m_nonce()[IVSize()-1]&1) * 8);
if (size == 8)
PutWord(false, BIG_ENDIAN_ORDER, mac, t);
else
{
t = ConditionalByteReverse(BIG_ENDIAN_ORDER, t);
memcpy(mac, &t, size);
}
}
}
NAMESPACE_END
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