Public-Key Packet, new CTB, 269 bytes
    Version: 4
    Creation time: 2020-05-13 05:16:34 UTC
    Pk algo: RSA
    Pk size: 2048 bits
    Fingerprint: 3619FE5BC885DFB6B0D1F9A8075702708B64F009
    KeyID: 075702708B64F009
  
User ID Packet, new CTB, 29 bytes
    Value: Zhangyuan Nie <yuan@znie.org>
  
Signature Packet, new CTB, 340 bytes
    Version: 4
    Type: PositiveCertification
    Pk algo: RSA
    Hash algo: SHA256
    Hashed area:
      Issuer Fingerprint: 3619FE5BC885DFB6B0D1F9A8075702708B64F009
      Signature creation time: 2020-05-13 05:16:34 UTC
      Key flags: CS
      Key expiration time: PT63072000S
      Symmetric algo preferences: AES256, AES192, AES128, TripleDES
      Hash preferences: SHA512, SHA384, SHA256, SHA224, SHA1
      Compression preferences: Zlib, BZip2, Zip
      Features: SEIPDv1
      Keyserver preferences: no modify
    Unhashed area:
      Issuer: 075702708B64F009
    Digest prefix: CD1D
    Level: 0 (signature over data)
  
Public-Subkey Packet, new CTB, 269 bytes
    Version: 4
    Creation time: 2020-05-13 05:16:34 UTC
    Pk algo: RSA
    Pk size: 2048 bits
    Fingerprint: 5D156EFBB26C495F730202415A81A55452DDFC20
    KeyID: 5A81A55452DDFC20
  
Signature Packet, new CTB, 316 bytes
    Version: 4
    Type: SubkeyBinding
    Pk algo: RSA
    Hash algo: SHA256
    Hashed area:
      Issuer Fingerprint: 3619FE5BC885DFB6B0D1F9A8075702708B64F009
      Signature creation time: 2020-05-13 05:16:34 UTC
      Key flags: EtEr
      Key expiration time: PT63072000S
    Unhashed area:
      Issuer: 075702708B64F009
    Digest prefix: 555F
    Level: 0 (signature over data)