|
public GetSecretKey ( long keyId ) : |
||
| keyId | long | The ID of the secret key to return. |
| return | ||
//private static string Password = ConfigurationManager.AppSettings["Password"];
//public static string PublicKey = ConfigurationManager.AppSettings["PublicKey"];
//public static string PublicKeyPath = IoHelper.BasePath + @"\" + PublicKey;
//// note: this should be changed if the private key is not located in the current executables path
//private static string PrivateKeyOnly = ConfigurationManager.AppSettings["PrivateKeyOnly"];
//private static string PrivateKeyOnlyPath = IoHelper.BasePath + @"\" + PrivateKeyOnly;
// The majority of the functionality encrypting/decrypting came from this answer: http://stackoverflow.com/a/10210465
private static PgpPrivateKey FindSecretKey(PgpSecretKeyRingBundle pgpSec, long keyId, char[] pass)
{
PgpSecretKey pgpSecKey = pgpSec.GetSecretKey(keyId);
if (pgpSecKey == null)
{
return null;
}
return pgpSecKey.ExtractPrivateKey(pass);
}
private static Tuple <PgpPublicKeyEncryptedData, PgpObjectFactory> Decrypt(PgpEncryptedDataList pgpEncryptedDatalist, Stream privateKeyStream, string praKeyPwd)
{
var pkstream = Org.BouncyCastle.Bcpg.OpenPgp.PgpUtilities.GetDecoderStream(privateKeyStream);
var bundle = new Org.BouncyCastle.Bcpg.OpenPgp.PgpSecretKeyRingBundle(pkstream);
foreach (PgpPublicKeyEncryptedData encryptedData in pgpEncryptedDatalist.GetEncryptedDataObjects())
{
var privateKey = bundle.GetSecretKey(encryptedData.KeyId)?.ExtractPrivateKey(praKeyPwd.ToCharArray());
if (privateKey == null)
{
continue;
}
using (var tmp = encryptedData.GetDataStream(privateKey))
{
return(Tuple.Create(encryptedData, new PgpObjectFactory(tmp)));
}
}
throw new ArgumentException("未能正常读取到加密文件内容，请检查文件及密钥");
}
private static PgpPrivateKey FindSecretKey(
Stream keyIn,
long keyId,
char[] pass)
{
PgpSecretKeyRingBundle pgpSec = new PgpSecretKeyRingBundle(
PgpUtilities.GetDecoderStream(keyIn));
PgpSecretKey pgpSecKey = pgpSec.GetSecretKey(keyId);
if (pgpSecKey == null)
{
return null;
}
return pgpSecKey.ExtractPrivateKey(pass);
}