sodium.cr/spec/sodium/kdf_spec.cr

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require "../spec_helper"
CONTEXT = "8_bytess"
describe Sodium::Kdf do
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it "generates master key" do
kdf1 = Sodium::Kdf.new
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# verify loading saved key
kdf2 = Sodium::Kdf.from_base64 kdf1.to_base64
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# verify generated subkey's are the same after loading
key1_s1 = kdf1.derive CONTEXT, 0, 16
key2_s1 = kdf2.derive CONTEXT, 0, 16
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key1_s1.should eq key2_s1
end
it "generates different keys" do
kdf1 = Sodium::Kdf.new
subkey1 = kdf1.derive CONTEXT, 0, 16
subkey2 = kdf1.derive CONTEXT, 1, 16
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subkey1.should_not eq subkey2
end
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# TODO: test exceptions
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end