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