testNotCanonical13 = assertBool "S len = 0" $
    not $ isCanonicalSig $ fromJust $ hexToBS $ stringToBS
    "302402205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba6105020001"
testNotCanonical13 = assertBool "S len = 0" $
    not $ isCanonicalSig $ fromJust $ hexToBS $ stringToBS
    "302402205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba6105020001"
testNotCanonical13 = assertBool "S len = 0" $
    not $ isCanonicalSig $ fromJust $ hexToBS $ stringToBS
    "302402205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba6105020001"