Public-Key Packet, new CTB, 525 bytes
    Version: 4
    Creation time: 2023-01-23 06:12:04 UTC
    Pk algo: RSA
    Pk size: 4096 bits
    Fingerprint: BA74CA3EDB79D85638A70023213F6554851F15DF
    KeyID: 213F6554851F15DF
  
User ID Packet, new CTB, 58 bytes
    Value: Yu Yihang (Undergraduate) <beautyyuyanli@mail.dlut.edu.cn>
  
Signature Packet, new CTB, 583 bytes
    Version: 4
    Type: PositiveCertification
    Pk algo: RSA
    Hash algo: SHA512
    Hashed area:
      Symmetric algo preferences: AES256, AES192, AES128
      Hash preferences: SHA512
      Compression preferences: Zip
      Primary User ID: false
      Signature creation time: 2023-01-23 06:13:58 UTC (critical)
      Features: SEIPDv1 (critical)
      Key flags: CS (critical)
    Unhashed area:
      Issuer: 213F6554851F15DF
      Issuer Fingerprint: BA74CA3EDB79D85638A70023213F6554851F15DF
    Digest prefix: 7F1D
    Level: 0 (signature over data)
  
User ID Packet, new CTB, 62 bytes
    Value: Yu Yihang (a.k.a Beautyyu or 言醴) <beautyyuyanli@gmail.com>
  
Signature Packet, new CTB, 583 bytes
    Version: 4
    Type: PositiveCertification
    Pk algo: RSA
    Hash algo: SHA512
    Hashed area:
      Symmetric algo preferences: AES256, AES192, AES128
      Hash preferences: SHA512
      Compression preferences: Zip
      Primary User ID: true
      Signature creation time: 2023-01-23 06:12:04 UTC (critical)
      Features: SEIPDv1 (critical)
      Key flags: CS (critical)
    Unhashed area:
      Issuer: 213F6554851F15DF
      Issuer Fingerprint: BA74CA3EDB79D85638A70023213F6554851F15DF
    Digest prefix: 57FE
    Level: 0 (signature over data)
  
Public-Subkey Packet, new CTB, 525 bytes
    Version: 4
    Creation time: 2023-01-23 06:12:04 UTC
    Pk algo: RSA
    Pk size: 4096 bits
    Fingerprint: A1F93DE62F8E3DCAA6FB17B28002573C679E4A90
    KeyID: 8002573C679E4A90
  
Signature Packet, new CTB, 566 bytes
    Version: 4
    Type: SubkeyBinding
    Pk algo: RSA
    Hash algo: SHA512
    Hashed area:
      Signature creation time: 2023-01-23 06:12:04 UTC (critical)
      Key flags: A (critical)
    Unhashed area:
      Issuer: 213F6554851F15DF
      Issuer Fingerprint: BA74CA3EDB79D85638A70023213F6554851F15DF
    Digest prefix: 0323
    Level: 0 (signature over data)
  
Public-Subkey Packet, new CTB, 525 bytes
    Version: 4
    Creation time: 2023-01-23 06:12:04 UTC
    Pk algo: RSA
    Pk size: 4096 bits
    Fingerprint: 9EB0EDDA3D24E356FD666C0E2625314EB599B272
    KeyID: 2625314EB599B272
  
Signature Packet, new CTB, 566 bytes
    Version: 4
    Type: SubkeyBinding
    Pk algo: RSA
    Hash algo: SHA512
    Hashed area:
      Signature creation time: 2023-01-23 06:12:04 UTC (critical)
      Key flags: EtEr (critical)
    Unhashed area:
      Issuer: 213F6554851F15DF
      Issuer Fingerprint: BA74CA3EDB79D85638A70023213F6554851F15DF
    Digest prefix: F621
    Level: 0 (signature over data)