To verify Apache Hadoop® releases using GPG: Download the release hadoop-X.Y.Z-src.tar.gz from a mirror site. Download the signature file hadoop-X.Y.Z-src.tar.gz.asc from Apache. Download the Hadoop KEYS file. gpg --import KEYS gpg --verify hadoop-X.Y.Z-src.tar.gz.asc To perform a quick check using SHA-512: Download the release hadoop-X.Y.Z-src.tar.gz from a mirror site. Download the checksum hado