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README.md

Welcome!

This is a small Haskell CLI utility and library for generating an Ed25519 keypair, signing and verifying messages with an Ed25519 keypair.

Example Usage

$ gen-ed25-keypair --help
Generate a base64 encoded, Ed25519 keypair

Usage: gen-ed25-keypair [--secretKey FILEPATH] [--publicKey FILEPATH]

Available options:
  -h,--help                Show this help text
  --secretKey FILEPATH     Filepath to write the secret key to, if not provided,
                           key will be written to the current working dir
  --publicKey FILEPATH     Filepath to write the public key to, if not provided,
                           key will be written to the current working dir

The keypair is generated using getRandomBytes from Cryptonite.Random and the keys are base64 encoded.

Another convenience utility is also provided for signing messages with a generated keypair and verifying message signatures:

$ sign-ed25 --help
Sign a message with a Ed25519 keypair

Usage: sign-ed25 --secretKey FILEPATH --publicKey FILEPATH --msg TEXT

Available options:
  -h,--help                Show this help text
  --secretKey FILEPATH     Path to the secret key
  --publicKey FILEPATH     Path to the public key
  --msg TEXT               Message to sign

Another tool can be used to verify the signature:

$ verify-ed25 --help
Verify a message signature with an Ed25519 public key

Usage: verify-ed25 --publickey PublicKey --sig Signature --msg TEXT

Available options:
  -h,--help                Show this help text
  --publickey PublicKey    Public key to verify a message signature
  --sig Signature          Message signature to verify
  --msg TEXT               Message to verify signature
$ verify-ed25 --publickey 'zoOk/5Fpnbdu3DJ4V0/dGzde+xjdDD2L+WQkJpxOALQ=' --msg 'lorem ipsum dolor set, balbalbalbalbalbalbal' --sig 'vqiIWLc+ZXyjUg10CWXv2VAI1Q25mcUl4GpXpJYlOBU9oWc832AbYtizXnalpqlAVqmRJxLETXIa7zxEQJzADg=='
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Ed25519 key generation, message signing, and signature verification CLI tools

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