class JWT::JWA::HmacRbNaCl
Attributes
hmac[R]
Public Class Methods
from_algorithm(algorithm)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 8 def self.from_algorithm(algorithm) new(algorithm, ::RbNaCl::HMAC.const_get(algorithm.upcase.gsub('HS', 'SHA'))) end
new(alg, hmac)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 12 def initialize(alg, hmac) @alg = alg @hmac = hmac end
Public Instance Methods
sign(data:, signing_key:)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 17 def sign(data:, signing_key:) Deprecations.warning("The use of the algorithm #{alg} is deprecated and will be removed in the next major version of ruby-jwt") hmac.auth(key_for_rbnacl(hmac, signing_key).encode('binary'), data.encode('binary')) end
verify(data:, signature:, verification_key:)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 22 def verify(data:, signature:, verification_key:) Deprecations.warning("The use of the algorithm #{alg} is deprecated and will be removed in the next major version of ruby-jwt") hmac.verify(key_for_rbnacl(hmac, verification_key).encode('binary'), signature.encode('binary'), data.encode('binary')) rescue ::RbNaCl::BadAuthenticatorError, ::RbNaCl::LengthError false end
Private Instance Methods
key_for_rbnacl(hmac, key)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 35 def key_for_rbnacl(hmac, key) key ||= '' raise JWT::DecodeError, 'HMAC key expected to be a String' unless key.is_a?(String) return padded_empty_key(hmac.key_bytes) if key == '' key end
padded_empty_key(length)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 44 def padded_empty_key(length) Array.new(length, 0x0).pack('C*').encode('binary') end