Public-Key Packet, new CTB, 51 bytes
    Version: 4
    Creation time: 2026-06-28 00:06:44 UTC
    Pk algo: EdDSA
    Pk size: 256 bits
    Fingerprint: 27DC994E28CC1CB7F0E09B0B5578EB51F22F678B
    KeyID: 5578EB51F22F678B
  
User ID Packet, new CTB, 22 bytes
    Value: 涵哲子 <me@iluc.cn>
  
Signature Packet, new CTB, 137 bytes
    Version: 4
    Type: PositiveCertification
    Pk algo: EdDSA
    Hash algo: SHA256
    Hashed area:
      Symmetric algo preferences: AES256, AES192, AES128
      Hash preferences: SHA256
      Compression preferences: Zip
      Primary User ID: true
      Signature creation time: 2026-06-28 00:06:44 UTC (critical)
      Features: SEIPDv1 (critical)
      Key flags: CS (critical)
    Unhashed area:
      Issuer: 5578EB51F22F678B

      Issuer Fingerprint: 27DC994E28CC1CB7F0E09B0B5578EB51F22F678B

    Digest prefix: 7C95
    Level: 0 (signature over data)
  
Public-Subkey Packet, new CTB, 56 bytes
    Version: 4
    Creation time: 2026-06-28 00:06:44 UTC
    Pk algo: ECDH
    Pk size: 256 bits
    Fingerprint: 8F4F29392CCBBB2C7518D63E3972E426EA3DEB53
    KeyID: 3972E426EA3DEB53
  
Signature Packet, new CTB, 120 bytes
    Version: 4
    Type: SubkeyBinding
    Pk algo: EdDSA
    Hash algo: SHA256
    Hashed area:
      Signature creation time: 2026-06-28 00:06:44 UTC (critical)
      Key flags: EtEr (critical)
    Unhashed area:
      Issuer: 5578EB51F22F678B

      Issuer Fingerprint: 27DC994E28CC1CB7F0E09B0B5578EB51F22F678B

    Digest prefix: CEEF
    Level: 0 (signature over data)