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gpg --full-generate-key

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Please select what kind of key you want:
   (1) RSA and RSA
   (2) DSA and Elgamal
   (3) DSA (sign only)
   (4) RSA (sign only)
   (9) ECC (sign and encrypt) *default*
  (10) ECC (sign only)
  (14) Existing key from card
Your selection?

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Please specify how long the key should be valid.
         0 = key does not expire
      <n>  = key expires in n days
      <n>w = key expires in n weeks
      <n>m = key expires in n months
      <n>y = key expires in n years
Key is valid for? (0)

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Key does not expire at all
Is this correct? (y/N)

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Comment:

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You selected this USER-ID:
    "Username of GitHub (comment) <[email protected]>"

Change (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit?

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gpg --list-secret-keys --keyid-format=long

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sec   4096R/3AA5C34371567BD2 date 
uid                          Username-of-GitHub <[email protected]>
ssb   4096R/4BB6D45482678BE3 date

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gpg --armor --export <id>

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gpg --armor --export <Email>

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-----BEGIN PGP PUBLIC KEY BLOCK-----
...................................
-----END PGP PUBLIC KEY BLOCK-----