Module: JsonWebToken::Jws

Defined in:
lib/json_web_token/jws.rb

Constant Summary collapse

MESSAGE_SIGNATURE_PARTS = 
3

Class Method Summary collapse

Class Method Details

.message_signature(header, payload, key) ⇒ Object

tools.ietf.org/html/rfc7515#page-15



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# File 'lib/json_web_token/jws.rb', line 14

def message_signature(header, payload, key)
  alg = alg_parameter(header)
  data = signing_input(header, payload)
  "#{data}.#{signature(alg, key, data)}"
end

.unsecured_jws(header, payload) ⇒ Object

tools.ietf.org/html/rfc7515#page-47



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# File 'lib/json_web_token/jws.rb', line 28

def unsecured_jws(header, payload)
  fail("Invalid 'alg' header parameter") unless alg_parameter(header) == 'none'
  "#{signing_input(header, payload)}." # note trailing '.'
end

.validate(jws, algorithm, key = nil) ⇒ Object

tools.ietf.org/html/rfc7515#page-16



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# File 'lib/json_web_token/jws.rb', line 21

def validate(jws, algorithm, key = nil)
  compare_alg(jws, algorithm)
  return jws if algorithm == 'none'
  signature_valid?(jws, algorithm, key) ? jws : 'Invalid'
end