private static IAsymmetricCryptoAlgorithm GetAsymmetricAlgorithm(this AsymmetricAlgorithmName name,
AsymmetricAlgorithmKey keySize)
{
switch (name)
{
case AsymmetricAlgorithmName.ElGamal:
return(new ElGamal(keySize: (int)keySize));
break;
case AsymmetricAlgorithmName.RSA:
default:
return(new RSA(keySize: (int)keySize));
break;
}
}
public SignatureOutputViewModel(byte[] signature, HashAlgorithmName hash, AsymmetricAlgorithmName alg,
AsymmetricAlgorithmKey algKey, string file)
{
this.Description = "Signature";
this.Signature = signature.ConvertToHex();
this.Methods = new List <string>()
{
hash.ToString(),
alg.ToString()
};
this.Method = string.Join("\n", Methods);
this.KeyLengths = new List <string>()
{
"0A",
((int)algKey).ToString("X") // hex
};
this.KeyLength = string.Join("\n", KeyLengths);
this.FileName = file;
}
public EnvelopeOutputViewModel(byte[] data, byte[] key, SymmetricAlgorithmName sym,
SymmetricAlgorithmKey symKey, AsymmetricAlgorithmName alg, AsymmetricAlgorithmKey algKey, string file)
{
this.Description = "Envelope";
this.EnvelopeData = Convert.ToBase64String(data);
this.EnvelopeCryptKey = key.ConvertToHex();
this.Methods = new List <string>()
{
sym.ToString(),
alg.ToString()
};
this.Method = string.Join("\n", Methods);
this.KeyLengths = new List <string>()
{
((int)symKey).ToString("X"), // hex
((int)algKey).ToString("X") // hex
};
this.KeyLength = string.Join("\n", KeyLengths);
this.FileName = file;
}
