module MoneyTree::OpenSSLExtensions
Public Class Methods
add(point_0, point_1)
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# File lib/openssl_extensions.rb, line 7 def self.add(point_0, point_1) validate_points(point_0, point_1) group = OpenSSL::PKey::EC::Group.new('secp256k1') point_0_hex = point_0.to_bn.to_s(16) point_0_pt = OpenSSL::PKey::EC::Point.new(group, OpenSSL::BN.new(point_0_hex, 16)) point_1_hex = point_1.to_bn.to_s(16) point_1_pt = OpenSSL::PKey::EC::Point.new(group, OpenSSL::BN.new(point_1_hex, 16)) sum_point = point_0_pt.add(point_1_pt) sum_point.to_bn.to_s(16) end
validate_points(*points)
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# File lib/openssl_extensions.rb, line 22 def self.validate_points(*points) points.each do |point| if !point.is_a?(OpenSSL::PKey::EC::Point) raise ArgumentError, "point must be an OpenSSL::PKey::EC::Point object" elsif point.infinity? raise ArgumentError, "point must not be infinity" end end end