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(ns compojure.crypto-test
(:use compojure.crypto
clojure.contrib.test-is))
(deftest secret-key-length
(are (= (count (gen-secret-key {:key-size _1})) _2)
256 32
128 16))
(deftest secret-key-uniqueness
(let [a (gen-secret-key {:key-size 128})
b (gen-secret-key {:key-size 128})]
(is (not= a b))))
(def secret-key
(.getBytes "0123456789ABCDEF"))
(deftest seal-string
(is (not= (seal secret-key "Foobar") "Foobar")))
(deftest seal-uniqueness
(let [a (seal secret-key "Foobar")
b (seal secret-key "Foobar")]
(is (not= a b))))
(deftest seal-then-unseal
(are (= (unseal secret-key (seal secret-key _1)) _1)
"Foobar"
[1 2 3]
{:a 10}))
(deftest seal-then-tamper
(let [data (seal secret-key "Foobar")
data (apply str "A" (rest data))]
(is (nil? (unseal secret-key "Foobar")))))
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