public static unsafe byte *SigningKeyToEncryptionKey(IKeyFileService keyFileService, IKeyCapture capture)
{
var sk = keyFileService.GetSecretKeyPointer(capture);
try
{
return(SigningKeyToEncryptionKey(sk));
}
finally
{
NativeMethods.sodium_free(sk);
}
}
public static byte[] SigningPublicKeyFromSigningKey(IKeyFileService keyFileService, IKeyCapture capture)
{
unsafe
{
var sk = keyFileService.GetSecretKeyPointer(capture);
try
{
var ed25519PublicKey = new byte[PublicKeyBytes];
SigningPublicKeyFromSigningKey(sk, ed25519PublicKey);
return(ed25519PublicKey);
}
finally
{
NativeMethods.sodium_free(sk);
}
}
}
public void Sign(IKeyFileService keyFileService, IKeyCapture capture,
ulong formatVersion = LogSerializeContext.FormatVersion)
{
unsafe
{
var sk = keyFileService.GetSecretKeyPointer(capture);
var message = GetMessage(formatVersion);
var signature = new byte[Crypto.SecretKeyBytes].AsSpan();
var signatureLength = Crypto.SignDetached(message, sk, signature);
if (signatureLength < (ulong)signature.Length)
{
signature = signature.Slice(0, (int)signatureLength);
}
Signature = signature.ToArray();
}
}