module RbNaCl::Sodium
Provides helpers for defining the libsodium bindings
Public Class Methods
extended(klass)
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# File lib/rbnacl/sodium.rb, line 9 def self.extended(klass) klass.extend FFI::Library if defined?(RBNACL_LIBSODIUM_GEM_LIB_PATH) klass.ffi_lib RBNACL_LIBSODIUM_GEM_LIB_PATH else klass.ffi_lib ["sodium", "libsodium.so.18", "libsodium.so.23"] end end
Public Instance Methods
primitive()
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# File lib/rbnacl/sodium.rb, line 28 def primitive sodium_primitive end
sodium_constant(constant, name = constant)
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# File lib/rbnacl/sodium.rb, line 32 def sodium_constant(constant, name = constant) fn = "crypto_#{sodium_type}_#{sodium_primitive}_#{constant.to_s.downcase}" attach_function fn, [], :size_t const_set(name, public_send(fn)) end
sodium_function(name, function, arguments)
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# File lib/rbnacl/sodium.rb, line 38 def sodium_function(name, function, arguments) module_eval <<-eos, __FILE__, __LINE__ + 1 attach_function #{function.inspect}, #{arguments.inspect}, :int def self.#{name}(*args) ret = #{function}(*args) ret == 0 end eos end
sodium_function_with_return_code(name, function, arguments)
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# File lib/rbnacl/sodium.rb, line 48 def sodium_function_with_return_code(name, function, arguments) module_eval <<-eos, __FILE__, __LINE__ + 1 attach_function #{function.inspect}, #{arguments.inspect}, :int def self.#{name}(*args) #{function}(*args) end eos end
sodium_primitive(primitive = nil)
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# File lib/rbnacl/sodium.rb, line 23 def sodium_primitive(primitive = nil) return @primitive if primitive.nil? @primitive = primitive end
sodium_type(type = nil)
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# File lib/rbnacl/sodium.rb, line 18 def sodium_type(type = nil) return @type if type.nil? @type = type end