/// <summary>
/// Generates RSA key pair of desired size (note that keys larger than 4096 bits will have high impact on performance)
/// </summary>
/// <param name="keySize">Size of the key</param>
/// <returns>Generated key pair</returns>
public static RsaKeyPair GenerateKeyPairs(RsaKeySizes keySize)
{
using (var rsa = RSA.Create())
{
rsa.KeySize = keySize.GetIntegerKeySize();
return(new RsaKeyPair(rsa.ExportParameters(true)));
}
}
/// <summary>
/// Maps <see cref="RsaKeySizes"/> to integers
/// </summary>
/// <param name="size">Enum value</param>
/// <returns>Integer value</returns>
public static int GetIntegerKeySize(this RsaKeySizes size)
{
switch (size)
{
case RsaKeySizes.Rsa2048:
return(2048);
case RsaKeySizes.Rsa4096:
return(4096);
case RsaKeySizes.Rsa8192:
return(8192);
default:
return(16384);
}
}
