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# frozen_string_literal: true
begin
gem "ed25519", ">= 1.0.0"
require "ed25519"
rescue LoadError
warn "OpenSSL::SignatureAlgorithm::EdDSA requires the ed25519 gem, version 1.0 or higher. "\
"Please add it to your Gemfile: `gem \"ed25519\", \"~> 1.0\"`"
raise
end
require "openssl/signature_algorithm/base"
module OpenSSL
module SignatureAlgorithm
class EdDSA < Base
class SigningKey < ::Ed25519::SigningKey
def verify_key
VerifyKey.new(keypair[32, 32])
end
end
class VerifyKey < ::Ed25519::VerifyKey
def self.deserialize(key_bytes)
new(key_bytes)
end
def serialize
to_bytes
end
end
def generate_signing_key
@signing_key = SigningKey.generate
end
def sign(data)
signing_key.sign(data)
end
def verify(signature, verification_data)
verify_key.verify(signature, verification_data)
rescue ::Ed25519::VerifyError
raise(OpenSSL::SignatureAlgorithm::SignatureVerificationError, "Signature verification failed")
end
end
end
end
|
