sodium.cr/spec/sodium/cipher/chalsa_spec.cr
2019-07-08 16:08:39 -07:00

30 lines
830 B
Crystal

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 }}.new
cipher2 = Sodium::Cipher::{{ name.id }}.new
key = cipher1.random_key
cipher2.key = key
nonce = cipher1.random_nonce
cipher2.nonce = 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
end
{% end %}