/// <summary>
/// Takes in a hash function, and nonce provider, and optional entropy provider (only used for 'random' nonce)
/// </summary>
/// <param name="hashFunction"></param>
/// <param name="nonceProviderTypes"></param>
/// <param name="entropyProvider"></param>
/// <returns></returns>
public IDsaEcc GetInstanceForSignatures(HashFunction hashFunction, NonceProviderTypes nonceProviderTypes, IEntropyProvider entropyProvider = null)
{
var sha = _shaFactory.GetShaInstance(hashFunction);
var hmac = _hmacFactory.GetHmacInstance(hashFunction);
var nonceProvider = _nonceProviderFactory.GetNonceProvider(nonceProviderTypes, hmac, entropyProvider);
return(new EccDsa(sha, nonceProvider));
}
public IEccNonceProvider GetNonceProvider(NonceProviderTypes nonceTypes, IHmac hmac, IEntropyProvider entropyProvider)
{
switch (nonceTypes)
{
case NonceProviderTypes.Deterministic:
return(new DeterministicNonceProvider(hmac));
case NonceProviderTypes.Random:
return(new RandomNonceProvider(entropyProvider));
}
throw new ArgumentException("Invalid nonce type provided");
}