Changeset 40722 in vbox for trunk/src/VBox/Runtime/common/checksum

Timestamp:

Mar 30, 2012 10:10:34 AM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

77187

Message:

Runtime/md5: Clear the whole state and replace tabs with spaces

File:

• trunk/src/VBox/Runtime/common/checksum/md5.cpp (modified) (6 diffs)

trunk/src/VBox/Runtime/common/checksum/md5.cpp

@@ -94 +94 @@
 /* This is the central step in the MD5 algorithm. */
 #define MD5STEP(f, w, x, y, z, data, s) \
-        ( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )
+    ( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )
 
 
@@ -194 +194 @@
 {
     uint32_t t;
-    do {
-        t = *buf;
+    do
+    {
+        t = *buf;
         t = RT_LE2H_U32(t);
-        *buf = t;
-        buf++;
+        *buf = t;
+        buf++;
     } while (--longs);
 }
@@ -236 +237 @@
     t = ctx->bits[0];
     if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t)
-        ctx->bits[1]++;         /* Carry from low to high */
+    ctx->bits[1]++; /* Carry from low to high */
     ctx->bits[1] += (uint32_t)(len >> 29);
 
@@ -242 +243 @@
 
     /* Handle any leading odd-sized chunks */
-    if (t) {
-        uint8_t *p = (uint8_t *) ctx->in + t;
-
-        t = 64 - t;
-        if (len < t) {
-            memcpy(p, buf, len);
-            return;
-        }
-        memcpy(p, buf, t);
-        rtMd5ByteReverse(ctx->in, 16);
-        rtMd5Transform(ctx->buf, ctx->in);
-        buf += t;
-        len -= t;
+    if (t)
+    {
+        uint8_t *p = (uint8_t *) ctx->in + t;
+
+        t = 64 - t;
+        if (len < t)
+        {
+            memcpy(p, buf, len);
+            return;
+        }
+        memcpy(p, buf, t);
+        rtMd5ByteReverse(ctx->in, 16);
+        rtMd5Transform(ctx->buf, ctx->in);
+        buf += t;
+        len -= t;
     }
 
@@ -306 +309 @@
 
     /* Pad out to 56 mod 64 */
-    if (count < 8) {
-        /* Two lots of padding:  Pad the first block to 64 bytes */
-        memset(p, 0, count);
-        rtMd5ByteReverse(ctx->in, 16);
-        rtMd5Transform(ctx->buf, ctx->in);
-
-        /* Now fill the next block with 56 bytes */
-        memset(ctx->in, 0, 56);
-    } else {
-        /* Pad block to 56 bytes */
-        memset(p, 0, count - 8);
+    if (count < 8)
+    {
+        /* Two lots of padding:  Pad the first block to 64 bytes */
+        memset(p, 0, count);
+        rtMd5ByteReverse(ctx->in, 16);
+        rtMd5Transform(ctx->buf, ctx->in);
+
+        /* Now fill the next block with 56 bytes */
+        memset(ctx->in, 0, 56);
+    }
+    else
+    {
+        /* Pad block to 56 bytes */
+        memset(p, 0, count - 8);
     }
     rtMd5ByteReverse(ctx->in, 14);
@@ -327 +333 @@
     rtMd5ByteReverse(ctx->buf, 4);
     memcpy(digest, ctx->buf, 16);
-    memset(ctx, 0, sizeof(ctx));        /* In case it's sensitive */
+    memset(ctx, 0, sizeof(*ctx));        /* In case it's sensitive */
 }
 RT_EXPORT_SYMBOL(RTMd5Final);