123 lines
3.8 KiB
Crystal
123 lines
3.8 KiB
Crystal
require "../spec_helper"
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require "../../src/sodium/pwhash"
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require "json"
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def test_vectors(filename, pwmode)
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pwhash = Sodium::Pwhash.new
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buf = File.read Path[__DIR__].join("..", "data", filename)
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vectors = Array(Hash(String, String | Int32)).from_json(buf).map do |h|
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{
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salt: h["salt"].to_s,
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pass: h["passwd"].to_s,
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mode: h["mode"].to_s,
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ops: h["iters"].to_i,
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mem: h["maxmem"].to_i * 1024,
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dgst_len: h["dgst_len"].to_i,
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hash: h["pwhash"].to_s,
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# h: h,
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}
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end
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vectors.each do |h|
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case h[:mode]
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when "argon2i"
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pwhash.mode = Sodium::Pwhash::Mode::Argon2i13
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pwhash.verify h[:hash], h[:pass]
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when "argon2id"
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pwhash.mode = Sodium::Pwhash::Mode::Argon2id13
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pwhash.verify h[:hash], h[:pass]
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when "raw"
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pwhash.opslimit = h[:ops].to_u64
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pwhash.memlimit = h[:mem].to_u64
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pwhash.mode = pwmode
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# p pwhash, h
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key = pwhash.key_derive salt: h[:salt].to_slice, pass: h[:pass], key_bytes: h[:dgst_len]
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key.should eq h[:hash].hexbytes
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else
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# p h
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puts "unhandled mode #{h[:mode]}"
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next
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# raise "unhandled mode #{h[:mode]}"
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end
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end
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end
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private def pw_min
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pwhash = Sodium::Pwhash.new
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# set to minimum to speed up tests
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pwhash.memlimit = Sodium::Pwhash::MEMLIMIT_MIN
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pwhash.opslimit = Sodium::Pwhash::OPSLIMIT_MIN
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pwhash
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end
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describe Sodium::Pwhash do
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it "hashes and verifies a password" do
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pwhash = pw_min
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pass = "1234"
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hash = pwhash.store pass
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pwhash.verify hash, pass
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expect_raises(Sodium::Pwhash::PasswordVerifyError) do
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pwhash.verify hash, "5678"
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end
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pwhash.needs_rehash?(hash).should be_false
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pwhash.opslimit = Sodium::Pwhash::OPSLIMIT_MAX
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pwhash.needs_rehash?(hash).should be_true
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end
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it "key_derive fails without a mode" do
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pwhash = pw_min
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expect_raises(ArgumentError) do
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pwhash.key_derive pwhash.salt, "foo", 16
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end
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end
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it "derives a key from a password" do
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pwhash = pw_min
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pwhash.mode = Sodium::Pwhash::Mode::Argon2id13
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salt = pwhash.salt
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key1 = pwhash.key_derive salt, "foo", 16
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key2 = pwhash.key_derive salt, "foo", 16
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key3 = pwhash.key_derive salt, "bar", 16
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key4 = pwhash.key_derive pwhash.salt, "foo", 16
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key1.bytesize.should eq 16
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key1.should eq key2
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key1.should_not eq key3
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key1.should_not eq key4
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end
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it "PyNaCl key vectors" do
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test_vectors "modular_crypt_argon2i_hashes.json", Sodium::Pwhash::Mode::Argon2i13
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test_vectors "modular_crypt_argon2id_hashes.json", Sodium::Pwhash::Mode::Argon2id13
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test_vectors "raw_argon2i_hashes.json", Sodium::Pwhash::Mode::Argon2i13
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test_vectors "raw_argon2id_hashes.json", Sodium::Pwhash::Mode::Argon2id13
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end
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# from libsodium/test/default/pwhash_argon2id.c
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it "RbNaCl key vectors" do
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pwhash = Sodium::Pwhash.new
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pwhash.mode = Sodium::Pwhash::Mode::Argon2id13
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pwhash.opslimit = 5_u64
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pwhash.memlimit = 7_256_678_u64
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key_len = 155
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pass = "a347ae92bce9f80f6f595a4480fc9c2fe7e7d7148d371e9487d75f5c23008ffae0" \
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"65577a928febd9b1973a5a95073acdbeb6a030cfc0d79caa2dc5cd011cef02c08d" \
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"a232d76d52dfbca38ca8dcbd665b17d1665f7cf5fe59772ec909733b24de97d6f5" \
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"8d220b20c60d7c07ec1fd93c52c31020300c6c1facd77937a597c7a6".hexbytes
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salt = "5541fbc995d5c197ba290346d2c559de".hexbytes
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expected = "18acec5d6507739f203d1f5d9f1d862f7c2cdac4f19d2bdff64487e60d969e3ced6" \
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"15337b9eec6ac4461c6ca07f0939741e57c24d0005c7ea171a0ee1e7348249d135b" \
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"38f222e4dad7b9a033ed83f5ca27277393e316582033c74affe2566a2bea47f91f0" \
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"fd9fe49ece7e1f79f3ad6e9b23e0277c8ecc4b313225748dd2a80f5679534a0700e" \
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"246a79a49b3f74eb89ec6205fe1eeb941c73b1fcf1".hexbytes
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key = pwhash.key_derive salt, pass, key_len
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key.should eq expected
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end
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end
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