protected unsafe override void Deserialize(
ReadOnlySpan <byte> span,
out SecureMemoryHandle?keyHandle,
out PublicKeyBytes publicKeyBytes)
{
if (Unsafe.SizeOf <PublicKeyBytes>() != crypto_sign_ed25519_PUBLICKEYBYTES)
{
throw Error.InvalidOperation_InternalError();
}
Debug.Assert(span.Length == crypto_sign_ed25519_SEEDBYTES);
keyHandle = SecureMemoryHandle.Create(crypto_sign_ed25519_SECRETKEYBYTES);
fixed(PublicKeyBytes *pk = &publicKeyBytes)
fixed(byte *seed_ = span)
{
int error = crypto_sign_ed25519_seed_keypair(pk, keyHandle, seed_);
Debug.Assert(error == 0);
}
}
internal override unsafe void CreateKey(
ReadOnlySpan <byte> seed,
out SecureMemoryHandle keyHandle,
out PublicKey?publicKey)
{
if (Unsafe.SizeOf <PublicKeyBytes>() != crypto_sign_ed25519_PUBLICKEYBYTES)
{
throw Error.InvalidOperation_InternalError();
}
Debug.Assert(seed.Length == crypto_sign_ed25519_SEEDBYTES);
publicKey = new PublicKey(this);
keyHandle = SecureMemoryHandle.Create(crypto_sign_ed25519_SECRETKEYBYTES);
fixed(PublicKeyBytes *pk = publicKey)
fixed(byte *seed_ = seed)
{
int error = crypto_sign_ed25519_seed_keypair(pk, keyHandle, seed_);
Debug.Assert(error == 0);
}
}
