require "../../spec_helper" require "../../../src/sodium/cipher/chalsa" {% for name in %w(XSalsa20 Salsa20 XChaCha20 ChaCha20Ietf ChaCha20) %} # TODO: verify against test vectors. describe Sodium::Cipher::{{ name.id }} do it "xors" do data = Bytes.new(100) cipher1 = Sodium::Cipher::{{ name.id }}.random cipher2 = Sodium::Cipher::{{ name.id }}.new key: cipher1.key, nonce: cipher1.nonce output = cipher1.update data output.should_not eq data # Verify encryption did something. cipher1.update(data).should_not eq output # Verify offset is incremented. cipher1.final.should eq Bytes.new(0) cipher2.update(output).should eq data cipher2.final.should eq Bytes.new(0) end it "dups" do cipher1 = Sodium::Cipher::{{ name.id }}.new Bytes.new(Sodium::Cipher::{{ name.id }}::KEY_SIZE) cipher2 = cipher1.dup key1 = cipher1.key key2 = cipher2.key key1.should eq key2 key2.readwrite do |ks| ks[0] = 1_u8 end key1.readonly do |ks| ks[0].should eq 0_u8 end key1.should_not eq key2 end end {% end %}