public DtlsSrtpClient(Certificate certificateChain, AsymmetricKeyParameter privateKey,
UseSrtpData clientSrtpData)
{
if (certificateChain == null && privateKey == null)
{
(certificateChain, privateKey) = DtlsUtils.CreateSelfSignedTlsCert();
}
if (clientSrtpData == null)
{
SecureRandom random = new SecureRandom();
int[] protectionProfiles = { SrtpProtectionProfile.SRTP_AES128_CM_HMAC_SHA1_80 };
byte[] mki = new byte[(SrtpParameters.SRTP_AES128_CM_HMAC_SHA1_80.GetCipherKeyLength() +
SrtpParameters.SRTP_AES128_CM_HMAC_SHA1_80.GetCipherSaltLength()) / 8];
random.NextBytes(mki); // Reusing our secure random for generating the key.
this.clientSrtpData = new UseSrtpData(protectionProfiles, mki);
}
else
{
this.clientSrtpData = clientSrtpData;
}
this.mPrivateKey = privateKey;
mCertificateChain = certificateChain;
//Generate FingerPrint
var certificate = mCertificateChain.GetCertificateAt(0);
Fingerprint = certificate != null?DtlsUtils.Fingerprint(certificate) : null;
}
public DtlsSrtpServer(Certificate certificateChain, AsymmetricKeyParameter privateKey)
{
if (certificateChain == null && privateKey == null)
{
(certificateChain, privateKey) = DtlsUtils.CreateSelfSignedTlsCert();
}
this.cipherSuites = base.GetCipherSuites();
this.mPrivateKey = privateKey;
mCertificateChain = certificateChain;
//Generate FingerPrint
var certificate = mCertificateChain.GetCertificateAt(0);
this.mFingerPrint = certificate != null?DtlsUtils.Fingerprint(certificate) : null;
}
