protected internal void ComputeEncryptionKeyFingerprintWhenNeeded()
{
try
{
if (_encryptionCertificate == null || !string.IsNullOrEmpty(_encryptionKeyFingerprint))
{
// No encryption certificate set or certificate fingerprint already provided
return;
}
var encodedKey = RsaKeyUtils.GetEncoded(_encryptionCertificate.PublicKey);
var keyFingerprintBytes = Sha256Digest(encodedKey);
_encryptionKeyFingerprint = EncodingUtils.HexEncode(keyFingerprintBytes);
}
catch (Exception e)
{
throw new EncryptionException("Failed to compute encryption key fingerprint!", e);
}
}
public void TestHexEncode_ShouldThrowArgumentNullException_WhenNullValue()
{
EncodingUtils.HexEncode(null);
}
public void TestHexEncode_ShouldKeepLeadingZeros()
{
var hex = EncodingUtils.HexEncode(SHA256.Create().ComputeHash(Encoding.ASCII.GetBytes("WIDDIES")));
Assert.AreEqual("000000c71f1bda5b63f5165243e10394bc9ebf62e394ef7c6e049c920ea1b181", hex);
}
public void TestHexEncode()
{
Assert.AreEqual("00", EncodingUtils.HexEncode(new byte[1]));
Assert.AreEqual("736f6d652064617461", EncodingUtils.HexEncode(Encoding.ASCII.GetBytes("some data")));
Assert.AreEqual("", EncodingUtils.HexEncode(Encoding.ASCII.GetBytes("")));
}
