101 lines
3.3 KiB
Crystal
101 lines
3.3 KiB
Crystal
require "../../spec_helper"
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require "json"
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# From https://github.com/BLAKE2/BLAKE2/tree/master/testvectors
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test_vectors = [
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{
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key: "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f",
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input: "",
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output: "10ebb67700b1868efb4417987acf4690ae9d972fb7a590c2f02871799aaa4786b5e996e8f0f4eb981fc214b005f42d2ff4233499391653df7aefcbc13fc51568",
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},
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{
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key: "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f",
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input: "00",
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output: "961f6dd1e4dd30f63901690c512e78e4b45e4742ed197c3c5e45c549fd25f2e4187b0bc9fe30492b16b0d0bc4ef9b0f34c7003fac09a5ef1532e69430234cebd",
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},
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]
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# From https://github.com/emilbayes/blake2b/blob/master/test-vectors.json
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buf = File.read(Path[__DIR__].join("blake2b-test-vectors.json").to_s)
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more_vectors = Array(Hash(String, String | Int32)).from_json(buf).map do |h|
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{
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input: h["input"].to_s,
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output: h["out"].to_s,
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out_len: h["outlen"].to_i,
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key: h["key"].to_s,
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salt: h["salt"].to_s,
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personal: h["personal"].to_s,
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}
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end
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describe Sodium::Digest::Blake2b do
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it "libsodium comparisons" do
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libsodium_comparisons.each do |vec|
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d = Sodium::Digest::Blake2b.new vec[:out_size], key: vec[:key].try(&.hexbytes)
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d.update vec[:input].hexbytes
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d.hexdigest.should eq vec[:output]
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end
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end
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it "test vectors" do
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test_vectors.each do |vec|
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d = Sodium::Digest::Blake2b.new 64, key: vec[:key].hexbytes
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d.update vec[:input].hexbytes
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d.hexdigest.should eq vec[:output]
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end
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more_vectors.each do |vec|
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salt = vec[:salt].empty? ? nil : vec[:salt].hexbytes
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personal = vec[:personal].empty? ? nil : vec[:personal].hexbytes
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d = Sodium::Digest::Blake2b.new vec[:out_len], key: vec[:key].hexbytes, salt: salt, personal: personal
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d.update vec[:input].hexbytes
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d.hexdigest.should eq vec[:output]
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end
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end
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it "produces different output with different salt or personal params" do
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key = Bytes.new Sodium::Digest::Blake2b::KEY_SIZE
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salt = Bytes.new Sodium::Digest::Blake2b::SALT_SIZE
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salt2 = Bytes.new Sodium::Digest::Blake2b::SALT_SIZE
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salt2 = salt.dup
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salt2[0] = 1
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personal = Bytes.new Sodium::Digest::Blake2b::PERSONAL_SIZE
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personal2 = personal.dup
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personal2[0] = 1
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d = Sodium::Digest::Blake2b.new key: key, salt: salt, personal: personal
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d.update "foo".to_slice
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output = d.hexdigest
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d = Sodium::Digest::Blake2b.new key: key, salt: salt2, personal: personal
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d.update "foo".to_slice
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saltout = d.hexdigest
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d = Sodium::Digest::Blake2b.new key: key, salt: salt, personal: personal2
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d.update "foo".to_slice
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personalout = d.hexdigest
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output.should_not eq saltout
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output.should_not eq personalout
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saltout.should_not eq personalout
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end
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it "raises on invalid " do
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expect_raises ArgumentError do
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Sodium::Digest::Blake2b.new key: Bytes.new(128)
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end
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expect_raises ArgumentError do
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Sodium::Digest::Blake2b.new salt: Bytes.new(1)
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end
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expect_raises ArgumentError do
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Sodium::Digest::Blake2b.new salt: Bytes.new(128)
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end
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expect_raises ArgumentError do
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Sodium::Digest::Blake2b.new personal: Bytes.new(128)
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end
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end
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end
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