The term single-shelled is identified in base64 scheme by the sequence c2luZ2xlLXNoZWxsZWQ=, while the MD5 signature is equal to 37a3fbc09c8e35c1ecfbf2729f687cd3. The ASCII encoding of single-shelled in hexadecimal notation is 73696e676c652d7368656c6c6564.