/// <summary>
/// 按PKCS#1格式生成RSA公钥
/// </summary>
/// <param name="biN"></param>
/// <param name="biE"></param>
public static byte[] PKCS1_Pub_Gen(BigInteger n, BigInteger e)
{
ByteString pubKey = new ByteString();
ASN1_Convert asn1 = new ASN1_Convert();
pubKey += asn1.BigIntToBytes(n, 128);
pubKey += asn1.BigIntToBytes(e);
pubKey = asn1.SeqToBytes(pubKey.GetBytes());
return(pubKey.GetBytes());
}
/// <summary>
/// 按PKCS#1格式生成RSA私钥
/// </summary>
public static byte[] PKCS1_Pri_Gen()
{
BigInteger[] RSA_Key = GenKeyAdd();
BigInteger exponent1 = RSA_Key[2] % (RSA_Key[3] - 1);
BigInteger exponent2 = RSA_Key[2] % (RSA_Key[4] - 1);
BigInteger coefficient = (RSA_Key[3] - 1) % RSA_Key[4];
ByteString priKey = new ByteString();
ASN1_Convert asn1 = new ASN1_Convert();
priKey += asn1.IntToBytes(0); // Version
priKey += asn1.BigIntToBytes(RSA_Key[0], 128); // n
priKey += asn1.BigIntToBytes(RSA_Key[1]); // e
priKey += asn1.BigIntToBytes(RSA_Key[2]); // d
priKey += asn1.BigIntToBytes(RSA_Key[3]); // p
priKey += asn1.BigIntToBytes(RSA_Key[4]); // q
priKey += asn1.BigIntToBytes(exponent1); // exponent1
priKey += asn1.BigIntToBytes(exponent2); // exponent2
priKey += asn1.BigIntToBytes(coefficient); // coefficient
priKey = asn1.SeqToBytes(priKey.GetBytes());
return(priKey.GetBytes());
}
