Class: JOSE::JWS::ALG_EDDSA

Inherits:
Struct
  • Object
show all
Defined in:
lib/jose/jws/alg_eddsa.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#sign_type ⇒ Object

Returns the value of attribute sign_type

Returns:

  • (Object) —

    the current value of sign_type



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# File 'lib/jose/jws/alg_eddsa.rb', line 1

def sign_type
  @sign_type
end

Class Method Details

.from_map(fields) ⇒ Object

JOSE::JWS callbacks



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# File 'lib/jose/jws/alg_eddsa.rb', line 5

def self.from_map(fields)
  case fields['alg']
  when 'Ed25519'
    return new(:Ed25519), fields.delete('alg')
  when 'Ed25519ph'
    return new(:Ed25519ph), fields.delete('alg')
  when 'Ed448'
    return new(:Ed448), fields.delete('alg')
  when 'Ed448ph'
    return new(:Ed448ph), fields.delete('alg')
  when 'EdDSA'
    return new(:EdDSA), fields.delete('alg')
  else
    raise ArgumentError, "invalid 'alg' for JWS: #{fields['alg'].inspect}"
  end
end

Instance Method Details

#generate_key(fields) ⇒ Object

JOSE::JWS::ALG callbacks



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# File 'lib/jose/jws/alg_eddsa.rb', line 29

def generate_key(fields)
  okp_type = sign_type == :EdDSA ? :Ed25519 : sign_type
  return JOSE::JWS::ALG.generate_key([:okp, okp_type], sign_type.to_s)
end

#sign(jwk, message) ⇒ Object 



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# File 'lib/jose/jws/alg_eddsa.rb', line 34

def sign(jwk, message)
  return jwk.kty.sign(message, sign_type)
end

#to_map(fields) ⇒ Object 



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# File 'lib/jose/jws/alg_eddsa.rb', line 22

def to_map(fields)
  alg = sign_type.to_s
  return fields.put('alg', alg)
end

#verify(jwk, message, signature) ⇒ Object 



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# File 'lib/jose/jws/alg_eddsa.rb', line 38

def verify(jwk, message, signature)
  return jwk.kty.verify(message, sign_type, signature)
end