Sha256: d6873c623250d8a2694966ccd2d54d719a28eb62be4f073f86daeaeccdbb441d
Contents?: true
Size: 1.59 KB
Versions: 2
Compression:
Stored size: 1.59 KB
Contents
# frozen_string_literal: true # (c) 2017 Ribose Inc. require 'ffi' require 'botan/defaults' require 'botan/error' require 'botan/ffi/libbotan' require 'botan/pk/privatekey' require 'botan/utils' module Botan module PK # Public Key Decrypt Operation # # See {Botan::PK::PrivateKey#decrypt} for a simpler interface. class Decrypt # @param key [Botan::PK::PrivateKey] the private key # @param padding [String] the padding method name def initialize(key:, padding: nil) padding ||= Botan::DEFAULT_EME unless key.instance_of?(PrivateKey) raise Botan::Error, 'Decryption requires an instance of PrivateKey' end ptr = FFI::MemoryPointer.new(:pointer) flags = 0 Botan.call_ffi(:botan_pk_op_decrypt_create, ptr, key.ptr, padding, flags) ptr = ptr.read_pointer if ptr.null? raise Botan::Error, 'botan_pk_op_decrypt_create returned NULL' end @ptr = FFI::AutoPointer.new(ptr, self.class.method(:destroy)) end # @api private def self.destroy(ptr) LibBotan.botan_pk_op_decrypt_destroy(ptr) end # Decrypts the provided data. # # @param msg [String] the data # @return [String] the decrypted data def decrypt(msg) msg_buf = FFI::MemoryPointer.from_data(msg) Botan.call_ffi_with_buffer(lambda { |b, bl| LibBotan.botan_pk_op_decrypt(@ptr, b, bl, msg_buf, msg_buf.size) }) end def inspect Botan.inspect_ptr(self) end end # class end # module end # module
Version data entries
2 entries across 2 versions & 1 rubygems
Version | Path |
---|---|
botan-0.1.2 | lib/botan/pk/op/decrypt.rb |
botan-0.1.0 | lib/botan/pk/op/decrypt.rb |