Public-Key Packet, new CTB, 397 bytes
    Version: 4
    Creation time: 2026-02-06 03:18:55 UTC
    Pk algo: RSA
    Pk size: 3072 bits
    Fingerprint: 8FC1A95DF6101A1F59A05473C596FBBFB6205A41
    KeyID: C596FBBFB6205A41
  
User ID Packet, new CTB, 42 bytes
    Value: tangyuan0821 (new) <tangyuan0821@email.cn>
  
Signature Packet, new CTB, 465 bytes
    Version: 4
    Type: PositiveCertification
    Pk algo: RSA
    Hash algo: SHA256
    Hashed area:
      Issuer Fingerprint: 8FC1A95DF6101A1F59A05473C596FBBFB6205A41

      Signature creation time: 2026-02-06 03:18:55 UTC
      Key flags: CS
      Symmetric algo preferences: AES256, AES192, AES128, TripleDES
      PreferredAEADAlgorithms:
        00000000  02
      Hash preferences: SHA512, SHA384, SHA256, SHA224, SHA1
      Compression preferences: Zlib, BZip2, Zip
      Features: SEIPDv1, #1, #2
      Keyserver preferences: no modify
    Unhashed area:
      Issuer: C596FBBFB6205A41

    Digest prefix: 778A
    Level: 0 (signature over data)
  
Public-Subkey Packet, new CTB, 397 bytes
    Version: 4
    Creation time: 2026-02-06 03:18:55 UTC
    Pk algo: RSA
    Pk size: 3072 bits
    Fingerprint: C58A155EC9A986CFB246A96463254811B667D43F
    KeyID: 63254811B667D43F
  
Signature Packet, new CTB, 438 bytes
    Version: 4
    Type: SubkeyBinding
    Pk algo: RSA
    Hash algo: SHA256
    Hashed area:
      Issuer Fingerprint: 8FC1A95DF6101A1F59A05473C596FBBFB6205A41

      Signature creation time: 2026-02-06 03:18:55 UTC
      Key flags: EtEr
    Unhashed area:
      Issuer: C596FBBFB6205A41

    Digest prefix: 491F
    Level: 0 (signature over data)