private void button8_Click(object sender, EventArgs e)
{
EncryptionMode mode;
if (rbECB_Omotnica.Checked)
{
mode = EncryptionMode.ECB;
}
else if (rbCFB_Omotnica.Checked)
{
mode = EncryptionMode.CFB;
}
else if (rbOFB_Omotnica.Checked)
{
mode = EncryptionMode.OFB;
}
else
{
mode = EncryptionMode.CBC;
}
var algorithm = rbAES_2.Checked ? SymetricAlgorithm.AES : SymetricAlgorithm.THREE_DES;
DigitalEnvelope.OpenDigitalEnvelope(tbDigitalnaOmotnicaOtvaranje.Text, tbTajniKljucPrimatelja.Text, tbSadrzajDigitalneOmotnice.Text, mode, algorithm);
}
public static void CreateDigitalSeal(string inputFile, string RSApublicReciever, string RSAprivateSender, string envelopeFile, string signatureFile, EncryptionMode encryptionMode, HashingMode hashingMode, SymetricAlgorithm algorithm, KeySize keySize)
{
DigitalEnvelope.CreateDigitalEnvelope(inputFile, RSApublicReciever, envelopeFile, encryptionMode, algorithm, keySize);
var envelope = FileManager.Read_Envelope(envelopeFile);
var hash = SHA.Hash(envelope.Data + envelope.Key, hashingMode);
DigitalSignature.CreateDigitalSignature_FromString(hash, RSAprivateSender, signatureFile, hashingMode);
}
public static void CheckDigitalSeal(string outputFile, string RSApublicSender, string RSAprivateReciever, string envelopeFile, string signatureFile, TextBox sealCheck, EncryptionMode encryptionMode, HashingMode hashingMode, SymetricAlgorithm algorithm)
{
DigitalEnvelope.OpenDigitalEnvelope(envelopeFile, RSAprivateReciever, outputFile, encryptionMode, algorithm);
var envelope = FileManager.Read_Envelope(envelopeFile);
var hash = SHA.Hash(envelope.Data + envelope.Key, hashingMode);
DigitalSignature.CheckDigitalSignature_FromString(hash, signatureFile, RSApublicSender, sealCheck, hashingMode);
}
private void button4_Click(object sender, EventArgs e)
{
EncryptionMode mode;
if (rbECB_Omotnica.Checked)
{
mode = EncryptionMode.ECB;
}
else if (rbCFB_Omotnica.Checked)
{
mode = EncryptionMode.CFB;
}
else if (rbOFB_Omotnica.Checked)
{
mode = EncryptionMode.OFB;
}
else
{
mode = EncryptionMode.CBC;
}
KeySize keySize;
if (rbVelicina128.Checked)
{
keySize = KeySize._128;
}
else if (rbVelicina192.Checked)
{
keySize = KeySize._192;
}
else
{
keySize = KeySize._256;
}
var algorithm = rbAES.Checked ? SymetricAlgorithm.AES : SymetricAlgorithm.THREE_DES;
DigitalEnvelope.CreateDigitalEnvelope(tbUlaznaDatotekaOmotnica.Text, tbJavniKljucPrimatelja.Text, tbDigitalnaOmotnicaIzrada.Text, mode, algorithm, keySize);
}
