Public-Key Packet, new CTB, 51 bytes
    Version: 4
    Creation time: 2025-07-06 12:13:09 UTC
    Pk algo: EdDSA
    Pk size: 256 bits
    Fingerprint: 71B8853B1E43641DE8361ACB77B2E377F175D2EF
    KeyID: 77B2E377F175D2EF
  
User ID Packet, new CTB, 39 bytes
    Value: TAKAHASHI Kyohei (kcrt) <kcrt@kcrt.net>
  
Signature Packet, new CTB, 153 bytes
    Version: 4
    Type: PositiveCertification
    Pk algo: EdDSA
    Hash algo: SHA512
    Hashed area:
      Issuer Fingerprint: 71B8853B1E43641DE8361ACB77B2E377F175D2EF
      Signature creation time: 2025-07-06 12:13:09 UTC
      Key flags: CS
      Key expiration time: PT315360000S
      Symmetric algo preferences: AES256, AES192, AES128, TripleDES
      AEAD preferences: OCB
      Hash preferences: SHA512, SHA384, SHA256, SHA224, SHA1
      Compression preferences: Zlib, BZip2, Zip
      Features: SEIPDv1, AEAD, #2
      Keyserver preferences: no modify
    Unhashed area:
      Issuer: 77B2E377F175D2EF
    Digest prefix: 31EF
    Level: 0 (signature over data)
  
Public-Subkey Packet, new CTB, 56 bytes
    Version: 4
    Creation time: 2025-07-06 12:13:09 UTC
    Pk algo: ECDH
    Pk size: 256 bits
    Fingerprint: A5B738777B029249042712D62DA2B6901F27996C
    KeyID: 2DA2B6901F27996C
  
Signature Packet, new CTB, 126 bytes
    Version: 4
    Type: SubkeyBinding
    Pk algo: EdDSA
    Hash algo: SHA512
    Hashed area:
      Issuer Fingerprint: 71B8853B1E43641DE8361ACB77B2E377F175D2EF
      Signature creation time: 2025-07-06 12:13:09 UTC
      Key flags: EtEr
      Key expiration time: PT315360000S
    Unhashed area:
      Issuer: 77B2E377F175D2EF
    Digest prefix: 1DEF
    Level: 0 (signature over data)