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