public void Decrypt_throws_on_invalid_iv_length()
{
Assert.That(
() => AesGcm.Decrypt(key: new byte[32],
ciphertext: new byte[16],
iv: new byte[13],
authData: new byte[0]),
ExceptionsTest.ThrowsInvalidOpeationWithMessage("iv must"));
}
public void Encrypt_throws_on_invalid_key_length()
{
Assert.That(
() => AesGcm.Encrypt(key: new byte[13],
plaintext: new byte[16],
iv: new byte[12],
authData: new byte[0]),
ExceptionsTest.ThrowsInvalidOpeationWithMessage("key must"));
}
public void Decrypt_throws_on_modified_ciphertext()
{
foreach (var i in TestCases)
{
// Change the first byte of the ciphertext
var modified = Modified(i.CiphertextWithTag, 0);
Assert.That(() => AesGcm.Decrypt(i.Key, modified, i.Iv, i.AuthData),
ExceptionsTest.ThrowsInvalidOpeationWithMessage("auth tag"));
}
}
public void CombineWith_throws_on_incorrect_length()
{
var bytes = new[]
{
"",
"A",
"All your base are belong to us",
"All your base are belong to us!",
"All your base are belong to us!!!",
};
foreach (var b in bytes)
Assert.That(() => Key.CombineWith(b.ToBytes()),
ExceptionsTest.ThrowsInvalidOpeationWithMessage("hash function"));
}
public void Parse_throws_on_invalid_key_format()
{
var keys = new[]
{
"", // Too short for format
"A", // Too short for format
"A2", // Too short
"A3", // Too short
"A2-RTN9SA-DY9445Y5FF96X6E7B5GPFA95", // Too short for A2
"A2-RTN9SA-DY9445Y5FF96X6E7B5GPFA95R9", // Too long for A2
"A3-RTN9SA-DY9445Y5FF96X6E7B5GPFA95R", // Too short for A3
"A3-RTN9SA-DY9445Y5FF96X6E7B5GPFA95R99", // Too long for A3
"A3-RTN9SA-DY9445Y-FF96X6E7B-GPFA95R9" // Too short for A3 after removing of "-"
};
foreach (var key in keys)
Assert.That(() => AccountKey.Parse(key),
ExceptionsTest.ThrowsInvalidOpeationWithMessage("Invalid account key"));
}
public void ValidateB_throws_on_failed_validation()
{
var b = ("0FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA" +
"63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C24" +
"5E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F241" +
"17C4B1FE649286651ECE45B3DC2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5" +
"F83655D23DCA3AD961C62F356208552BB9ED529077096966D670C354E4ABC9804F1746C0" +
"8CA18217C32905E462E36CE3BE39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C" +
"9DE2BCBF6955817183995497CEA956AE515D2261898FA051015728E5A8AAAC42DAD33170" +
"D04507A33A85521ABDF1CBA64ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C" +
"7ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6BF12FFA06D98A0864D876027" +
"33EC86A64521F2B18177B200CBBE117577A615D6C770988C0BAD946E208E24FA074E5AB3" +
"143DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D788719A10BDBA5B2699C3271" +
"86AF4E23C1A946834B6150BDA2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA" +
"6287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED1F612970CEE2D7AFB81BDD7" +
"62170481CD0069127D5B05AA993B4EA988D8FDDC186FFB7DC90A6C08F4DF435C93406319" +
"9FFFFFFFFFFFFFFFF").ToBigInt();
Assert.That(() => Srp.ValidateB(b),
ExceptionsTest.ThrowsInvalidOpeationWithMessage("validation failed"));
}
public void ExchangeAForB_throws_on_mismatching_session_id()
{
Assert.That(() => PerformExchange("exchange-a-for-b-response", "incorrect-session-id"),
ExceptionsTest.ThrowsInvalidOpeationWithMessage("ID doesn't match"));
}
public void String_DecodeHex_throws_on_non_hex_characters()
{
Assert.That(() => "xz".DecodeHex(),
ExceptionsTest.ThrowsInvalidOpeationWithMessage(
"input contains invalid characters"));
}
public void String_DecodeHex_throws_on_odd_length()
{
Assert.That(() => "0".DecodeHex(),
ExceptionsTest.ThrowsInvalidOpeationWithMessage(
"input length must be multiple of 2"));
}