static byte [] CreateStrongName(WriterParameters parameters, byte [] hash)
{
const string hash_algo = "SHA1";
using (var rsa = parameters.CreateRSA()) {
var formatter = new RSAPKCS1SignatureFormatter(rsa);
formatter.SetHashAlgorithm(hash_algo);
byte [] signature = formatter.CreateSignature(hash);
Array.Reverse(signature);
return(signature);
}
}
public static byte [] GetPublicKey(WriterParameters parameters)
{
using (var rsa = parameters.CreateRSA()) {
var cspBlob = CryptoConvert.ToCapiPublicKeyBlob(rsa);
var publicKey = new byte [12 + cspBlob.Length];
Buffer.BlockCopy(cspBlob, 0, publicKey, 12, cspBlob.Length);
// The first 12 bytes are documented at:
// http://msdn.microsoft.com/library/en-us/cprefadd/html/grfungethashfromfile.asp
// ALG_ID - Signature
publicKey [1] = 36;
// ALG_ID - Hash
publicKey [4] = 4;
publicKey [5] = 128;
// Length of Public Key (in bytes)
publicKey [8] = (byte)(cspBlob.Length >> 0);
publicKey [9] = (byte)(cspBlob.Length >> 8);
publicKey [10] = (byte)(cspBlob.Length >> 16);
publicKey [11] = (byte)(cspBlob.Length >> 24);
return(publicKey);
}
}
