Class: HrrRbSsh::Algorithm::Publickey::SshEd25519

Inherits:
HrrRbSsh::Algorithm::Publickey show all
Includes:
Loggable
Defined in:
lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519.rb,
lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519/pkey.rb,
lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519/signature.rb,
lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519/public_key_blob.rb,
lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519/openssh_private_key.rb,
lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519/openssh_private_key_content.rb

Defined Under Namespace

Classes: OpenSSHPrivateKey, OpenSSHPrivateKeyContent, PKey, PublicKeyBlob, Signature

Constant Summary collapse

NAME = 
'ssh-ed25519'

Instance Method Summary collapse

Constructor Details

#initialize(arg, logger: nil) ⇒ SshEd25519

Returns a new instance of SshEd25519.



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# File 'lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519.rb', line 14

def initialize arg, logger: nil
  self.logger = logger
  begin
    new_by_key_str arg
  rescue PKey::Error
    new_by_public_key_blob arg
  end
end

Instance Method Details

#new_by_key_str(key_str) ⇒ Object 



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# File 'lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519.rb', line 23

def new_by_key_str key_str
  @publickey = PKey.new key_str, logger: logger
end

#new_by_public_key_blob(public_key_blob) ⇒ Object 



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# File 'lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519.rb', line 27

def new_by_public_key_blob public_key_blob
  public_key_blob_h = PublicKeyBlob.new(logger: logger).decode public_key_blob
  @publickey = PKey.new logger: logger
  @publickey.set_public_key(public_key_blob_h[:key])
end

#sign(signature_blob) ⇒ Object 



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# File 'lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519.rb', line 45

def sign signature_blob
  signature_h = {
    :'public key algorithm name' => self.class::NAME,
    :'signature blob'            => @publickey.sign(signature_blob),
  }
  Signature.new(logger: logger).encode signature_h
end

#to_pem ⇒ Object 



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# File 'lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519.rb', line 33

def to_pem
  @publickey.public_key.to_pem
end

#to_public_key_blob ⇒ Object 



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# File 'lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519.rb', line 37

def to_public_key_blob
  public_key_blob_h = {
    :'public key algorithm name' => self.class::NAME,
    :'key'                       => @publickey.public_key.key_str,
  }
  PublicKeyBlob.new(logger: logger).encode public_key_blob_h
end

#verify(signature, signature_blob) ⇒ Object 



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# File 'lib/hrr_rb_ssh/algorithm/publickey/ssh_ed25519.rb', line 53

def verify signature, signature_blob
  signature_h = Signature.new(logger: logger).decode signature
  signature_h[:'public key algorithm name'] == self.class::NAME && @publickey.public_key.verify(signature_h[:'signature blob'], signature_blob)
end