Module: JWT::Algos::Eddsa

Defined in:
lib/jwt/algos/eddsa.rb

Constant Summary collapse

SUPPORTED = 
%w[ED25519 EdDSA].freeze

Class Method Summary collapse

Class Method Details

.sign(algorithm, msg, key) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
 
# File 'lib/jwt/algos/eddsa.rb', line 10

def sign(algorithm, msg, key)
  if key.class != RbNaCl::Signatures::Ed25519::SigningKey
    raise EncodeError, "Key given is a #{key.class} but has to be an RbNaCl::Signatures::Ed25519::SigningKey"
  end
  unless SUPPORTED.map(&:downcase).map(&:to_sym).include?(algorithm.downcase.to_sym)
    raise IncorrectAlgorithm, "payload algorithm is #{algorithm} but #{key.primitive} signing key was provided"
  end

  key.sign(msg)
end

.verify(algorithm, public_key, signing_input, signature) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
 
# File 'lib/jwt/algos/eddsa.rb', line 21

def verify(algorithm, public_key, signing_input, signature)
  unless SUPPORTED.map(&:downcase).map(&:to_sym).include?(algorithm.downcase.to_sym)
    raise IncorrectAlgorithm, "payload algorithm is #{algorithm} but #{key.primitive} signing key was provided"
  end
  raise DecodeError, "key given is a #{public_key.class} but has to be a RbNaCl::Signatures::Ed25519::VerifyKey" if public_key.class != RbNaCl::Signatures::Ed25519::VerifyKey

  public_key.verify(signature, signing_input)
rescue RbNaCl::CryptoError
  false
end