gentoo-overlay/app-arch/p7zip/files/p7zip-9.20.1-long_rar_pwd.patch

--- ./CPP/7zip/Crypto/Sha1.cpp	2010-10-20 06:56:08.000000000 +0200
+++ CPP/7zip/Crypto/Sha1.cpp.new	2013-09-15 09:19:51.000000000 +0200
@@ -148,10 +148,10 @@
         for (int i = 0; i < kBlockSizeInWords; i++)
         {
           UInt32 d = _buffer[i];
-          data[i * 4 + 0 - kBlockSize] = (Byte)(d);
-          data[i * 4 + 1 - kBlockSize] = (Byte)(d >>  8);
-          data[i * 4 + 2 - kBlockSize] = (Byte)(d >> 16);
-          data[i * 4 + 3 - kBlockSize] = (Byte)(d >> 24);
+          data[(int)i * 4 + 0 - (int)kBlockSize] = (Byte)(d);
+          data[(int)i * 4 + 1 - (int)kBlockSize] = (Byte)(d >>  8);
+          data[(int)i * 4 + 2 - (int)kBlockSize] = (Byte)(d >> 16);
+          data[(int)i * 4 + 3 - (int)kBlockSize] = (Byte)(d >> 24);
         }
       returnRes = rar350Mode;
     }