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Derive Public Key with the Flow CLI

The Flow CLI provides a command to derive Public Key from a Private Key.


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flow keys derive <private key>

Example Usage​

Derive Public Key from a Private Key​


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> flow keys derive c778170793026a9a7a3815dabed68ded445bde7f40a8c66889908197412be89f

Example response​


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> flow keys generate
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🔴️ Store Private Key safely and don't share with anyone!
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Private Key c778170793026a9a7a3815dabed68ded445bde7f40a8c66889908197412be89f
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Public Key 584245c57e5316d6606c53b1ce46dae29f5c9bd26e9e8...aaa5091b2eebcb2ac71c75cf70842878878a2d650f7

Arguments​

Private Key​

  • Name: private key
  • Valid inputs: valid private key content

Flags​

Signature Algorithm​

  • Flag: --sig-algo
  • Valid inputs: "ECDSA_P256", "ECDSA_secp256k1"

Specify the ECDSA signature algorithm for the key pair.

Flow supports the secp256k1 and P-256 curves.

Filter​

  • Flag: --filter
  • Short Flag: -x
  • Valid inputs: a case-sensitive name of the result property.

Specify any property name from the result you want to return as the only value.

Output​

  • Flag: --output
  • Short Flag: -o
  • Valid inputs: json, inline

Specify the format of the command results.

Save​

  • Flag: --save
  • Short Flag: -s
  • Valid inputs: a path in the current filesystem.

Specify the filename where you want the result to be saved