module JWT::Algos::HmacRbNaCl
Constants
- MAPPING
- SUPPORTED
Public Class Methods
sign(algorithm, msg, key)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 9 def sign(algorithm, msg, key) Deprecations.warning("The use of the algorithm #{algorithm} is deprecated and will be removed in the next major version of ruby-jwt") if (hmac = resolve_algorithm(algorithm)) hmac.auth(key_for_rbnacl(hmac, key).encode('binary'), msg.encode('binary')) else Hmac.sign(algorithm, msg, key) end end
verify(algorithm, key, signing_input, signature)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 18 def verify(algorithm, key, signing_input, signature) Deprecations.warning("The use of the algorithm #{algorithm} is deprecated and will be removed in the next major version of ruby-jwt") if (hmac = resolve_algorithm(algorithm)) hmac.verify(key_for_rbnacl(hmac, key).encode('binary'), signature.encode('binary'), signing_input.encode('binary')) else Hmac.verify(algorithm, key, signing_input, signature) end rescue ::RbNaCl::BadAuthenticatorError, ::RbNaCl::LengthError false end
Private Class Methods
key_for_rbnacl(hmac, key)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 31 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
resolve_algorithm(algorithm)
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# File lib/jwt/jwa/hmac_rbnacl.rb, line 40 def resolve_algorithm(algorithm) MAPPING.fetch(algorithm) end