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-rw-r--r--lib/cryptopp/tiger.cpp265
1 files changed, 265 insertions, 0 deletions
diff --git a/lib/cryptopp/tiger.cpp b/lib/cryptopp/tiger.cpp
new file mode 100644
index 000000000..c6c05caed
--- /dev/null
+++ b/lib/cryptopp/tiger.cpp
@@ -0,0 +1,265 @@
+// tiger.cpp - written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+#include "tiger.h"
+#include "misc.h"
+#include "cpu.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+void Tiger::InitState(HashWordType *state)
+{
+ state[0] = W64LIT(0x0123456789ABCDEF);
+ state[1] = W64LIT(0xFEDCBA9876543210);
+ state[2] = W64LIT(0xF096A5B4C3B2E187);
+}
+
+void Tiger::TruncatedFinal(byte *hash, size_t size)
+{
+ ThrowIfInvalidTruncatedSize(size);
+
+ PadLastBlock(56, 0x01);
+ CorrectEndianess(m_data, m_data, 56);
+
+ m_data[7] = GetBitCountLo();
+
+ Transform(m_state, m_data);
+ CorrectEndianess(m_state, m_state, DigestSize());
+ memcpy(hash, m_state, size);
+
+ Restart(); // reinit for next use
+}
+
+void Tiger::Transform (word64 *digest, const word64 *X)
+{
+#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE && CRYPTOPP_BOOL_X86
+ if (HasSSE2())
+ {
+#ifdef __GNUC__
+ __asm__ __volatile__
+ (
+ ".intel_syntax noprefix;"
+ AS1( push ebx)
+#else
+ #if _MSC_VER < 1300
+ const word64 *t = table;
+ AS2( mov edx, t)
+ #else
+ AS2( lea edx, [table])
+ #endif
+ AS2( mov eax, digest)
+ AS2( mov esi, X)
+#endif
+ AS2( movq mm0, [eax])
+ AS2( movq mm1, [eax+1*8])
+ AS2( movq mm5, mm1)
+ AS2( movq mm2, [eax+2*8])
+ AS2( movq mm7, [edx+4*2048+0*8])
+ AS2( movq mm6, [edx+4*2048+1*8])
+ AS2( mov ecx, esp)
+ AS2( and esp, 0xfffffff0)
+ AS2( sub esp, 8*8)
+ AS1( push ecx)
+
+#define SSE2_round(a,b,c,x,mul) \
+ AS2( pxor c, [x])\
+ AS2( movd ecx, c)\
+ AS2( movzx edi, cl)\
+ AS2( movq mm3, [edx+0*2048+edi*8])\
+ AS2( movzx edi, ch)\
+ AS2( movq mm4, [edx+3*2048+edi*8])\
+ AS2( shr ecx, 16)\
+ AS2( movzx edi, cl)\
+ AS2( pxor mm3, [edx+1*2048+edi*8])\
+ AS2( movzx edi, ch)\
+ AS2( pxor mm4, [edx+2*2048+edi*8])\
+ AS3( pextrw ecx, c, 2)\
+ AS2( movzx edi, cl)\
+ AS2( pxor mm3, [edx+2*2048+edi*8])\
+ AS2( movzx edi, ch)\
+ AS2( pxor mm4, [edx+1*2048+edi*8])\
+ AS3( pextrw ecx, c, 3)\
+ AS2( movzx edi, cl)\
+ AS2( pxor mm3, [edx+3*2048+edi*8])\
+ AS2( psubq a, mm3)\
+ AS2( movzx edi, ch)\
+ AS2( pxor mm4, [edx+0*2048+edi*8])\
+ AS2( paddq b, mm4)\
+ SSE2_mul_##mul(b)
+
+#define SSE2_mul_5(b) \
+ AS2( movq mm3, b)\
+ AS2( psllq b, 2)\
+ AS2( paddq b, mm3)
+
+#define SSE2_mul_7(b) \
+ AS2( movq mm3, b)\
+ AS2( psllq b, 3)\
+ AS2( psubq b, mm3)
+
+#define SSE2_mul_9(b) \
+ AS2( movq mm3, b)\
+ AS2( psllq b, 3)\
+ AS2( paddq b, mm3)
+
+#define label2_5 1
+#define label2_7 2
+#define label2_9 3
+
+#define SSE2_pass(A,B,C,mul,X) \
+ AS2( xor ebx, ebx)\
+ ASL(mul)\
+ SSE2_round(A,B,C,X+0*8+ebx,mul)\
+ SSE2_round(B,C,A,X+1*8+ebx,mul)\
+ AS2( cmp ebx, 6*8)\
+ ASJ( je, label2_##mul, f)\
+ SSE2_round(C,A,B,X+2*8+ebx,mul)\
+ AS2( add ebx, 3*8)\
+ ASJ( jmp, mul, b)\
+ ASL(label2_##mul)
+
+#define SSE2_key_schedule(Y,X) \
+ AS2( movq mm3, [X+7*8])\
+ AS2( pxor mm3, mm6)\
+ AS2( movq mm4, [X+0*8])\
+ AS2( psubq mm4, mm3)\
+ AS2( movq [Y+0*8], mm4)\
+ AS2( pxor mm4, [X+1*8])\
+ AS2( movq mm3, mm4)\
+ AS2( movq [Y+1*8], mm4)\
+ AS2( paddq mm4, [X+2*8])\
+ AS2( pxor mm3, mm7)\
+ AS2( psllq mm3, 19)\
+ AS2( movq [Y+2*8], mm4)\
+ AS2( pxor mm3, mm4)\
+ AS2( movq mm4, [X+3*8])\
+ AS2( psubq mm4, mm3)\
+ AS2( movq [Y+3*8], mm4)\
+ AS2( pxor mm4, [X+4*8])\
+ AS2( movq mm3, mm4)\
+ AS2( movq [Y+4*8], mm4)\
+ AS2( paddq mm4, [X+5*8])\
+ AS2( pxor mm3, mm7)\
+ AS2( psrlq mm3, 23)\
+ AS2( movq [Y+5*8], mm4)\
+ AS2( pxor mm3, mm4)\
+ AS2( movq mm4, [X+6*8])\
+ AS2( psubq mm4, mm3)\
+ AS2( movq [Y+6*8], mm4)\
+ AS2( pxor mm4, [X+7*8])\
+ AS2( movq mm3, mm4)\
+ AS2( movq [Y+7*8], mm4)\
+ AS2( paddq mm4, [Y+0*8])\
+ AS2( pxor mm3, mm7)\
+ AS2( psllq mm3, 19)\
+ AS2( movq [Y+0*8], mm4)\
+ AS2( pxor mm3, mm4)\
+ AS2( movq mm4, [Y+1*8])\
+ AS2( psubq mm4, mm3)\
+ AS2( movq [Y+1*8], mm4)\
+ AS2( pxor mm4, [Y+2*8])\
+ AS2( movq mm3, mm4)\
+ AS2( movq [Y+2*8], mm4)\
+ AS2( paddq mm4, [Y+3*8])\
+ AS2( pxor mm3, mm7)\
+ AS2( psrlq mm3, 23)\
+ AS2( movq [Y+3*8], mm4)\
+ AS2( pxor mm3, mm4)\
+ AS2( movq mm4, [Y+4*8])\
+ AS2( psubq mm4, mm3)\
+ AS2( movq [Y+4*8], mm4)\
+ AS2( pxor mm4, [Y+5*8])\
+ AS2( movq [Y+5*8], mm4)\
+ AS2( paddq mm4, [Y+6*8])\
+ AS2( movq [Y+6*8], mm4)\
+ AS2( pxor mm4, [edx+4*2048+2*8])\
+ AS2( movq mm3, [Y+7*8])\
+ AS2( psubq mm3, mm4)\
+ AS2( movq [Y+7*8], mm3)
+
+ SSE2_pass(mm0, mm1, mm2, 5, esi)
+ SSE2_key_schedule(esp+4, esi)
+ SSE2_pass(mm2, mm0, mm1, 7, esp+4)
+ SSE2_key_schedule(esp+4, esp+4)
+ SSE2_pass(mm1, mm2, mm0, 9, esp+4)
+
+ AS2( pxor mm0, [eax+0*8])
+ AS2( movq [eax+0*8], mm0)
+ AS2( psubq mm1, mm5)
+ AS2( movq [eax+1*8], mm1)
+ AS2( paddq mm2, [eax+2*8])
+ AS2( movq [eax+2*8], mm2)
+
+ AS1( pop esp)
+ AS1( emms)
+#ifdef __GNUC__
+ AS1( pop ebx)
+ ".att_syntax prefix;"
+ :
+ : "a" (digest), "S" (X), "d" (table)
+ : "%ecx", "%edi", "memory", "cc"
+ );
+#endif
+ }
+ else
+#endif
+ {
+ word64 a = digest[0];
+ word64 b = digest[1];
+ word64 c = digest[2];
+ word64 Y[8];
+
+#define t1 (table)
+#define t2 (table+256)
+#define t3 (table+256*2)
+#define t4 (table+256*3)
+
+#define round(a,b,c,x,mul) \
+ c ^= x; \
+ a -= t1[GETBYTE(c,0)] ^ t2[GETBYTE(c,2)] ^ t3[GETBYTE(c,4)] ^ t4[GETBYTE(c,6)]; \
+ b += t4[GETBYTE(c,1)] ^ t3[GETBYTE(c,3)] ^ t2[GETBYTE(c,5)] ^ t1[GETBYTE(c,7)]; \
+ b *= mul
+
+#define pass(a,b,c,mul,X) {\
+ int i=0;\
+ while (true)\
+ {\
+ round(a,b,c,X[i+0],mul); \
+ round(b,c,a,X[i+1],mul); \
+ if (i==6)\
+ break;\
+ round(c,a,b,X[i+2],mul); \
+ i+=3;\
+ }}
+
+#define key_schedule(Y,X) \
+ Y[0] = X[0] - (X[7]^W64LIT(0xA5A5A5A5A5A5A5A5)); \
+ Y[1] = X[1] ^ Y[0]; \
+ Y[2] = X[2] + Y[1]; \
+ Y[3] = X[3] - (Y[2] ^ ((~Y[1])<<19)); \
+ Y[4] = X[4] ^ Y[3]; \
+ Y[5] = X[5] + Y[4]; \
+ Y[6] = X[6] - (Y[5] ^ ((~Y[4])>>23)); \
+ Y[7] = X[7] ^ Y[6]; \
+ Y[0] += Y[7]; \
+ Y[1] -= Y[0] ^ ((~Y[7])<<19); \
+ Y[2] ^= Y[1]; \
+ Y[3] += Y[2]; \
+ Y[4] -= Y[3] ^ ((~Y[2])>>23); \
+ Y[5] ^= Y[4]; \
+ Y[6] += Y[5]; \
+ Y[7] -= Y[6] ^ W64LIT(0x0123456789ABCDEF)
+
+ pass(a,b,c,5,X);
+ key_schedule(Y,X);
+ pass(c,a,b,7,Y);
+ key_schedule(Y,Y);
+ pass(b,c,a,9,Y);
+
+ digest[0] = a ^ digest[0];
+ digest[1] = b - digest[1];
+ digest[2] = c + digest[2];
+ }
+}
+
+NAMESPACE_END
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