public static void decryption()
{
"Decrypting with the correct key returns the original text".Is(() =>
{
var ciphertext = ValidHeader.Concat(ValidCiphertext);
var plaintext = "TEST";
var output = Decrypter.Decypt(ciphertext, ValidPassword);
Assert.True(output == plaintext);
});
"Decryption fails when the header does not have 3 fields".Is(() =>
{
var invalidHeader = new[]
{
"$ANSIBLE_VAULT;AES256",
};
var ciphertext = invalidHeader.Concat(ValidCiphertext);
Assert.Throws(() => Decrypter.Decypt(ciphertext, ValidPassword));
});
"Decryption fails when not an ansible vault file".Is(() =>
{
var invalidHeader = new[]
{
"$SOME_OTHER_FILE;1.1;AES256",
};
var ciphertext = invalidHeader.Concat(ValidCiphertext);
Assert.Throws(() => Decrypter.Decypt(ciphertext, ValidPassword));
});
"Decryption fails when not the correct version".Is(() =>
{
var invalidHeader = new[]
{
"$ANSIBLE_VAULT;0.0;AES256",
};
var ciphertext = invalidHeader.Concat(ValidCiphertext);
Assert.Throws(() => Decrypter.Decypt(ciphertext, ValidPassword));
});
"Decryption fails when not the correct cipher".Is(() =>
{
var invalidHeader = new[]
{
"$ANSIBLE_VAULT;1.1;BOB123",
};
var ciphertext = invalidHeader.Concat(ValidCiphertext);
Assert.Throws(() => Decrypter.Decypt(ciphertext, ValidPassword));
});
"Decryption fails when the password is incorrect".Is(() =>
{
const string invalidPassword = "******";
var ciphertext = ValidHeader.Concat(ValidCiphertext);
Assert.Throws(() => Decrypter.Decypt(ciphertext, invalidPassword));
});
}