{"success":true,"data":{"ext":"pkr","name":"PGP public keyring file","description":"A PGP public keyring file is a key storage format used by Pretty Good Privacy (PGP), originally developed by Phil Zimmermann and later maintained through PGP-related implementations. It stores public keys for encrypting messages, verifying signatures, and managing trusted contacts in email and other secure communication tools. The format is generally safe, but it may contain outdated or untrusted keys, so users should verify key provenance before relying on it.","mime":[],"risk_level":"Safe","signatures":[{"hex":"99 01","offset":0,"sources":[{"name":"Gary Kessler","url":"https://www.garykessler.net/library/file_sigs_GCK_latest.html"}]}],"related":[],"usage":{"python":"def is_pkr(file_path: str) -> bool:\n    \"\"\"Check if file is a valid PKR by magic bytes.\"\"\"\n    signature = bytes([0x99, 0x01])\n    with open(file_path, \"rb\") as f:\n        return f.read(2) == signature","node":"function isPKR(buffer: Buffer): boolean {\n  const signature = Buffer.from([0x99, 0x01]);\n  return buffer.subarray(0, 2).equals(signature);\n}","go":"func IsPKR(data []byte) bool {\n    signature := []byte{0x99, 0x01}\n    if len(data) < 2 {\n        return false\n    }\n    return bytes.Equal(data[:2], signature)\n}"}}}