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Showing content from http://rubydoc.info/github/cryptosphere/rbnacl/RbNaCl/Sodium below:

Sodium – Documentation for cryptosphere/rbnacl (main) – RubyDoc.info

Included in:

AEAD::ChaCha20Poly1305IETF, AEAD::ChaCha20Poly1305Legacy, AEAD::XChaCha20Poly1305IETF, Boxes::Curve25519XSalsa20Poly1305, Boxes::Curve25519XSalsa20Poly1305::PrivateKey, Boxes::Sealed, GroupElements::Curve25519, HMAC::SHA256, HMAC::SHA512, HMAC::SHA512256, Hash::Blake2b, Hash::SHA256, Hash::SHA512, OneTimeAuths::Poly1305, PasswordHash::Argon2, PasswordHash::SCrypt, Random, RbNaCl::SecretBoxes::XSalsa20Poly1305, RbNaCl::Signatures::Ed25519, RbNaCl::Signatures::Ed25519::SigningKey, RbNaCl::Signatures::Ed25519::VerifyKey, Version, Util

Defined in:

lib/rbnacl/sodium.rb,
lib/rbnacl/sodium/version.rb

Provides helpers for defining the libsodium bindings

Modules: Version

• #primitive ⇒ Object
• #sodium_constant(constant, name: constant, fallback: nil) ⇒ Object
• #sodium_function(name, function, arguments) ⇒ Object
• #sodium_function_with_return_code(name, function, arguments) ⇒ Object
• #sodium_primitive(primitive = nil) ⇒ Object
• #sodium_type(type = nil) ⇒ Object

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# File 'lib/rbnacl/sodium.rb', line 28

def primitive
  sodium_primitive
end

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# File 'lib/rbnacl/sodium.rb', line 32

def sodium_constant(constant, name: constant, fallback: nil)
  fn_name_components = ["crypto", sodium_type, sodium_primitive, constant.to_s.downcase]
  fn_name = fn_name_components.compact.join("_")

  begin
    attach_function fn_name, [], :size_t
  rescue FFI::NotFoundError
    raise if fallback.nil?

    define_singleton_method fn_name, -> { fallback }
  end

  const_set(name, public_send(fn_name))
end

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# File 'lib/rbnacl/sodium.rb', line 47

def sodium_function(name, function, arguments)
  module_eval <<-RUBY, __FILE__, __LINE__ + 1
  attach_function #{function.inspect}, #{arguments.inspect}, :int
  def self.#{name}(*args)
    ret = #{function}(*args)
    ret == 0
  end
  RUBY
end

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# File 'lib/rbnacl/sodium.rb', line 57

def sodium_function_with_return_code(name, function, arguments)
  module_eval <<-RUBY, __FILE__, __LINE__ + 1
  attach_function #{function.inspect}, #{arguments.inspect}, :int
  def self.#{name}(*args)
    #{function}(*args)
  end
  RUBY
end

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# File 'lib/rbnacl/sodium.rb', line 20

def sodium_primitive(primitive = nil)
  if primitive.nil?
    @primitive if defined?(@primitive)
  else
    @primitive = primitive
  end
end

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# File 'lib/rbnacl/sodium.rb', line 14

def sodium_type(type = nil)
  return @type if type.nil?

  @type = type
end

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