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@@ -187,7 +187,7 @@ namespace WechatBakTool.Helpers
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// 读内容
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byte[] decryped_page_bytes = new byte[DEFAULT_PAGESIZE];
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byte[] going_to_hashed = new byte[DEFAULT_PAGESIZE - reserved - offset + IV_SIZE + 4];
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- fileStream.Seek((page_no * DEFAULT_PAGESIZE) + offset, SeekOrigin.Current);
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+ fileStream.Seek((page_no * DEFAULT_PAGESIZE) + offset, SeekOrigin.Begin);
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fileStream.Read(going_to_hashed, 0, DEFAULT_PAGESIZE - reserved - offset + IV_SIZE);
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// 分页标志
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@@ -197,7 +197,7 @@ namespace WechatBakTool.Helpers
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// 取分页hash
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byte[] hash_mac_cached = new byte[hash_mac_compute.Length];
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- fileStream.Seek((page_no * DEFAULT_PAGESIZE) + DEFAULT_PAGESIZE - reserved + IV_SIZE, SeekOrigin.Current);
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+ fileStream.Seek((page_no * DEFAULT_PAGESIZE) + DEFAULT_PAGESIZE - reserved + IV_SIZE, SeekOrigin.Begin);
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fileStream.Read(hash_mac_cached, 0, hash_mac_compute.Length);
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if (!hash_mac_compute.SequenceEqual(hash_mac_cached) && page_no == 0)
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@@ -215,12 +215,12 @@ namespace WechatBakTool.Helpers
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// 加密内容
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byte[] page_content = new byte[DEFAULT_PAGESIZE - reserved - offset];
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- fileStream.Seek((page_no * DEFAULT_PAGESIZE) + offset, SeekOrigin.Current);
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+ fileStream.Seek((page_no * DEFAULT_PAGESIZE) + offset, SeekOrigin.Begin);
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fileStream.Read(page_content, 0, DEFAULT_PAGESIZE - reserved - offset);
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// iv
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byte[] iv = new byte[16];
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- fileStream.Seek((page_no * DEFAULT_PAGESIZE) + (DEFAULT_PAGESIZE - reserved), SeekOrigin.Current);
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+ fileStream.Seek((page_no * DEFAULT_PAGESIZE) + (DEFAULT_PAGESIZE - reserved), SeekOrigin.Begin);
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fileStream.Read(iv, 0, 16);
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var decrypted_content = AESDecrypt(page_content, key, iv);
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@@ -228,7 +228,7 @@ namespace WechatBakTool.Helpers
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// 保留
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byte[] reserved_byte = new byte[reserved];
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- fileStream.Seek((page_no * DEFAULT_PAGESIZE) + DEFAULT_PAGESIZE - reserved, SeekOrigin.Current);
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+ fileStream.Seek((page_no * DEFAULT_PAGESIZE) + DEFAULT_PAGESIZE - reserved, SeekOrigin.Begin);
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fileStream.Read(reserved_byte, 0, reserved);
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reserved_byte.CopyTo(decryped_page_bytes, DEFAULT_PAGESIZE - reserved);
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Suxue