Implement A_SHA* functions present in Windows XP and later systems.

dlls/advapi32/Makefile.in

@@ -10,6 +10,7 @@ EXTRALIBS = $(LIBUNICODE)
 C_SRCS = \
 	advapi.c \
 	crypt.c \
+	crypt_sha.c \
 	eventlog.c \
 	registry.c \
 	security.c \

dlls/advapi32/advapi32.spec

-@ stub A_SHAFinal
-@ stub A_SHAInit
-@ stub A_SHAUpdate
+@ stdcall A_SHAFinal(ptr ptr)
+@ stdcall A_SHAInit(ptr)
+@ stdcall A_SHAUpdate(ptr ptr long)
 @ stdcall AbortSystemShutdownA(ptr)
 @ stdcall AbortSystemShutdownW(ptr)
 @ stdcall AccessCheck(ptr long long ptr ptr ptr ptr ptr)

dlls/advapi32/crypt_sha.c

+/*
+ * Copyright 2004 Filip Navara
+ * Based on public domain SHA code by Steve Reid <steve@edmweb.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdarg.h>
+#include "windef.h"
+#include "winbase.h"
+
+/* SHA Context Structure Declaration */
+
+typedef struct {
+   ULONG Unknown[6];
+   ULONG State[5];
+   ULONG Count[2];
+   UCHAR Buffer[64];
+} SHA_CTX, *PSHA_CTX;
+
+/* SHA1 Helper Macros */
+
+#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
+/* FIXME: This definition of DWORD2BE is little endian specific! */
+#define DWORD2BE(x) (((x) >> 24) & 0xff) | (((x) >> 8) & 0xff00) | (((x) << 8) & 0xff0000) | (((x) << 24) & 0xff000000);
+/* FIXME: This definition of blk0 is little endian specific! */
+#define blk0(i) (Block[i] = (rol(Block[i],24)&0xFF00FF00)|(rol(Block[i],8)&0x00FF00FF))
+#define blk1(i) (Block[i&15] = rol(Block[(i+13)&15]^Block[(i+8)&15]^Block[(i+2)&15]^Block[i&15],1))
+#define f1(x,y,z) (z^(x&(y^z)))
+#define f2(x,y,z) (x^y^z)
+#define f3(x,y,z) ((x&y)|(z&(x|y)))
+#define f4(x,y,z) (x^y^z)
+/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
+#define R0(v,w,x,y,z,i) z+=f1(w,x,y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R1(v,w,x,y,z,i) z+=f1(w,x,y)+blk1(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R2(v,w,x,y,z,i) z+=f2(w,x,y)+blk1(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
+#define R3(v,w,x,y,z,i) z+=f3(w,x,y)+blk1(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
+#define R4(v,w,x,y,z,i) z+=f4(w,x,y)+blk1(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
+
+/* Hash a single 512-bit block. This is the core of the algorithm. */
+void SHA1Transform(ULONG State[5], CHAR Buffer[64])
+{
+   ULONG a, b, c, d, e;
+   ULONG *Block;
+
+   Block = (ULONG*)Buffer;
+
+   /* Copy Context->State[] to working variables */
+   a = State[0];
+   b = State[1];
+   c = State[2];
+   d = State[3];
+   e = State[4];
+
+   /* 4 rounds of 20 operations each. Loop unrolled. */
+   R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
+   R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
+   R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
+   R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
+   R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
+   R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
+   R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
+   R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
+   R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
+   R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
+   R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
+   R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
+   R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
+   R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
+   R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
+   R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
+   R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
+   R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
+   R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
+   R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
+
+   /* Add the working variables back into Context->State[] */
+   State[0] += a;
+   State[1] += b;
+   State[2] += c;
+   State[3] += d;
+   State[4] += e;
+
+   /* Wipe variables */
+   a = b = c = d = e = 0;
+}
+
+
+/******************************************************************************
+ * A_SHAInit [ADVAPI32.@]
+ *
+ * Initialize a SHA context structure.
+ */
+VOID WINAPI
+A_SHAInit(PSHA_CTX Context)
+{
+   /* SHA1 initialization constants */
+   Context->State[0] = 0x67452301;
+   Context->State[1] = 0xEFCDAB89;
+   Context->State[2] = 0x98BADCFE;
+   Context->State[3] = 0x10325476;
+   Context->State[4] = 0xC3D2E1F0;
+   Context->Count[0] =
+   Context->Count[1] = 0;
+}
+
+/******************************************************************************
+ * A_SHAUpdate [ADVAPI32.@]
+ *
+ * Update a SHA context with a hashed data from supplied buffer.
+ */
+VOID WINAPI
+A_SHAUpdate(PSHA_CTX Context, PCHAR Buffer, UINT BufferSize)
+{
+   ULONG BufferContentSize;
+
+   BufferContentSize = Context->Count[1] & 63;
+   Context->Count[1] += BufferSize;
+   if (Context->Count[1] < BufferSize)
+      Context->Count[0]++;
+   Context->Count[0] += (BufferSize >> 29);
+
+   if (BufferContentSize + BufferSize < 64)
+   {
+      RtlCopyMemory(&Context->Buffer[BufferContentSize], Buffer,
+                    BufferSize);
+   }
+   else
+   {
+      while (BufferContentSize + BufferSize >= 64)
+      {
+         RtlCopyMemory(Context->Buffer + BufferContentSize, Buffer,
+                       64 - BufferContentSize);
+         Buffer += 64 - BufferContentSize;
+         BufferSize -= 64 - BufferContentSize;
+         SHA1Transform(Context->State, Context->Buffer);
+         BufferContentSize = 0;
+      }
+      RtlCopyMemory(Context->Buffer + BufferContentSize, Buffer, BufferSize);
+   }
+}
+
+/******************************************************************************
+ * A_SHAUpdate [ADVAPI32.@]
+ *
+ * Finalize SHA context and return the resulting hash.
+ */
+VOID WINAPI
+A_SHAFinal(PSHA_CTX Context, PULONG Result)
+{
+   INT Pad, Index;
+   UCHAR Buffer[72];
+   ULONG *Count;
+   ULONG BufferContentSize, LengthHi, LengthLo;
+
+   BufferContentSize = Context->Count[1] & 63;
+   if (BufferContentSize >= 56)
+      Pad = 56 + 64 - BufferContentSize;
+   else
+      Pad = 56 - BufferContentSize;
+
+   LengthHi = (Context->Count[0] << 3) | (Context->Count[1] >> (32 - 3));
+   LengthLo = (Context->Count[1] << 3);
+
+   RtlZeroMemory(Buffer + 1, Pad - 1);
+   Buffer[0] = 0x80;
+   Count = (ULONG*)(Buffer + Pad);
+   Count[0] = DWORD2BE(LengthHi);
+   Count[1] = DWORD2BE(LengthLo);
+   A_SHAUpdate(Context, Buffer, Pad + 8);
+
+   for (Index = 0; Index < 5; Index++)
+      Result[Index] = DWORD2BE(Context->State[Index]);
+
+   A_SHAInit(Context);
+}

dlls/advapi32/tests/.cvsignore

 Makefile
 crypt.ok
+crypt_sha.ok
 registry.ok
 security.ok
 testlist.c

dlls/advapi32/tests/Makefile.in

@@ -7,6 +7,7 @@ IMPORTS   = advapi32 kernel32
 
 CTESTS = \
 	crypt.c \
+	crypt_sha.c \
 	registry.c \
 	security.c
 

dlls/advapi32/tests/crypt_sha.c

+/*
+ * Unit tests for SHA functions
+ *
+ * Copyright (c) 2004 Filip Navara
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdio.h>
+
+#include "wine/test.h"
+#include "windef.h"
+#include "winbase.h"
+#include "winerror.h"
+
+typedef struct {
+   ULONG Unknown[6];
+   ULONG State[5];
+   ULONG Count[2];
+   UCHAR Buffer[64];
+} SHA_CTX, *PSHA_CTX;
+
+typedef VOID (WINAPI *fnA_SHAInit)(PSHA_CTX Context);
+typedef VOID (WINAPI *fnA_SHAUpdate)(PSHA_CTX Context, PCHAR Buffer, UINT BufferSize);
+typedef VOID (WINAPI *fnA_SHAFinal)(PSHA_CTX Context, PULONG Result);
+
+fnA_SHAInit pA_SHAInit;
+fnA_SHAUpdate pA_SHAUpdate;
+fnA_SHAFinal pA_SHAFinal;
+
+#define ctxcmp(a,b) memcmp((char*)a, (char*)b, FIELD_OFFSET(SHA_CTX, Buffer))
+
+void test_sha_ctx()
+{
+   PCHAR test_buffer = "In our Life there's If"
+                       "In our beliefs there's Lie"
+                       "In our business there is Sin"
+                       "In our bodies, there is Die";
+   ULONG test_buffer_size = strlen(test_buffer);
+   HMODULE hmod;
+   SHA_CTX ctx;
+   SHA_CTX ctx_initialized = {{0, 0, 0, 0, 0}, {0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0}, {0, 0}};
+   SHA_CTX ctx_update1 = {{0, 0, 0, 0, 0}, {0xdbe5eba8, 0x6b4335ca, 0xf7c94abe, 0xc9f34e31, 0x311023f0}, {0, 0x67}};
+   SHA_CTX ctx_update2 = {{0, 0, 0, 0, 0}, {0x5ecc818d, 0x52498169, 0xf6758559, 0xd035a164, 0x871dd125}, {0, 0xce}};
+   ULONG result[5];
+   ULONG result_correct[5] = {0xe014f93, 0xe09791ec, 0x6dcf96c8, 0x8e9385fc, 0x1611c1bb};
+
+   hmod = LoadLibrary("advapi32.dll");
+   pA_SHAInit = (fnA_SHAInit)GetProcAddress(hmod, "A_SHAInit");
+   pA_SHAUpdate = (fnA_SHAUpdate)GetProcAddress(hmod, "A_SHAUpdate");
+   pA_SHAFinal = (fnA_SHAFinal)GetProcAddress(hmod, "A_SHAFinal");
+
+   RtlZeroMemory(&ctx, sizeof(ctx));
+   pA_SHAInit(&ctx);
+   ok(!ctxcmp(&ctx, &ctx_initialized), "invalid initialization\n");
+
+   pA_SHAUpdate(&ctx, test_buffer, test_buffer_size);
+   ok(!ctxcmp(&ctx, &ctx_update1), "update doesn't work correctly\n");
+
+   pA_SHAUpdate(&ctx, test_buffer, test_buffer_size);
+   ok(!ctxcmp(&ctx, &ctx_update2), "update doesn't work correctly\n");
+
+   pA_SHAFinal(&ctx, result);
+   ok(!ctxcmp(&ctx, &ctx_initialized), "context hasn't been reinitialized\n");
+   ok(!memcmp(result, result_correct, sizeof(result)), "incorrect result\n");
+
+   FreeLibrary(hmod);
+}
+
+START_TEST(crypt_sha)
+{
+    test_sha_ctx();
+}