public void ComputeEncodedLength_WalrusContentDefaultKeyRecordSize4096_ReturnsCorrectLength()
{
byte[] contentToEncode = Encoding.UTF8.GetBytes(WALRUS_CONTENT);
long encodedContentLength;
using (MemoryStream source = new MemoryStream(contentToEncode))
{
encodedContentLength = Aes128GcmEncoding.ComputeEncodedLength(source.Length, 0, RECORD_SIZE_4096);
}
Assert.Equal(WALRUS_CONTENT_ENCODED_LENGTH, encodedContentLength);
}
public async Task DecodeAsync_WalrusEncodedAsMultipleRecordsWithoutPadding_DecodesWalrusContent()
{
byte[] contentToDecode = Convert.FromBase64String(WALRUS_CONTENT_ENCODED_AS_MULTIPLE_RECORDS_WITHOUT_PADDING_BASE64);
string decodedContent = null;
using (MemoryStream source = new MemoryStream(contentToDecode))
{
using (MemoryStream destination = new MemoryStream())
{
await Aes128GcmEncoding.DecodeAsync(source, destination, (keyId) => KEYS[keyId ?? DEFAULT_KEY_ID]);
decodedContent = Encoding.UTF8.GetString(destination.ToArray());
}
}
Assert.Equal(WALRUS_CONTENT, decodedContent);
}
public async Task EncodeAsync_WalrusContentNonRandomSaltDefaultKeyRecordSize4096_EncodesAsSingleRecord()
{
byte[] contentToEncode = Encoding.UTF8.GetBytes(WALRUS_CONTENT);
byte[] salt = Convert.FromBase64String(NON_RANDOM_SALT);
string encodedContent = null;
using (MemoryStream source = new MemoryStream(contentToEncode))
{
using (MemoryStream destination = new MemoryStream())
{
await Aes128GcmEncoding.EncodeAsync(source, destination, salt, KEYS[DEFAULT_KEY_ID], (byte[])null, RECORD_SIZE_4096);
encodedContent = Convert.ToBase64String(destination.ToArray());
}
}
Assert.Equal(WALRUS_CONTENT_ENCODED_AS_SINGLE_RECORD_BASE64, encodedContent);
}
public Task DecodeMultipleRecordsAsync()
{
_decodeMultipleRecordsSource.Seek(0, SeekOrigin.Begin);
return(Aes128GcmEncoding.DecodeAsync(_decodeMultipleRecordsSource, Stream.Null, (string keyId) => KEY));
}
public Task EncodeMultipleRecordsAsync()
{
_encodeMultipleRecordsSource.Seek(0, SeekOrigin.Begin);
return(Aes128GcmEncoding.EncodeAsync(_encodeMultipleRecordsSource, Stream.Null, KEY, KEY_ID, RECORD_SIZE_4096));
}
