deserializePrivateKeyFromJson function
Deserializes the private key from a parsed JSON object The object should contain the key 's'.
Implementation
ASEPrivateKey deserializePrivateKeyFromJson(Map<String, dynamic> m) {
var sVec =
(m['s'] as List).map((c) => Poly(List<int>.from(c as List))).toList();
return ASEPrivateKey(PolyVec(sVec));
}