internal override KeyParameter GetEncoded(
string algorithmOid)
{
Pkcs5S2ParametersGenerator gen = new Pkcs5S2ParametersGenerator();
gen.Init(
PbeParametersGenerator.Pkcs5PasswordToBytes(password),
salt,
iterationCount);
return (KeyParameter) gen.GenerateDerivedParameters(
algorithmOid,
CmsEnvelopedHelper.Instance.GetKeySize(algorithmOid));
}
static PbeParametersGenerator MakePbeGenerator(
string type,
IDigest digest,
byte[] key,
byte[] salt,
int iterationCount)
{
PbeParametersGenerator generator;
if (type.Equals(Pkcs5S1))
{
generator = new Pkcs5S1ParametersGenerator(digest);
}
else if (type.Equals(Pkcs5S2))
{
generator = new Pkcs5S2ParametersGenerator();
}
else if (type.Equals(Pkcs12))
{
generator = new Pkcs12ParametersGenerator(digest);
}
else if (type.Equals(OpenSsl))
{
generator = new OpenSslPbeParametersGenerator();
}
else
{
throw new ArgumentException("Unknown PBE type: " + type, "type");
}
generator.Init(key, salt, iterationCount);
return generator;
}
