public override byte[] DeriveKeyTls(ECDiffieHellmanPublicKey otherPartyPublicKey, byte[] prfLabel, byte[] prfSeed)
{
if (this.publicKey == null)
{
CreateKeys();
}
if (this.privateKey == null)
{
throw new CryptographicException(SR.Cryptography_CSP_NoPrivateKey);
}
return(ECDiffieHellmanDerivation.DeriveKeyTls(otherPartyPublicKey, prfLabel, prfSeed, DeriveSecretAgreement));
}
public override byte[] DeriveKeyFromHmac(ECDiffieHellmanPublicKey otherPartyPublicKey, HashAlgorithmName hashAlgorithm, byte[]?hmacKey, byte[]?secretPrepend, byte[]?secretAppend)
{
if (this.publicKey == null)
{
CreateKeys();
}
if (this.privateKey == null)
{
throw new CryptographicException(SR.Cryptography_CSP_NoPrivateKey);
}
if (string.IsNullOrEmpty(hashAlgorithm.Name))
{
throw new ArgumentException(SR.Cryptography_HashAlgorithmNameNullOrEmpty, nameof(hashAlgorithm));
}
return(ECDiffieHellmanDerivation.DeriveKeyFromHmac(otherPartyPublicKey, hashAlgorithm, hmacKey, secretPrepend, secretAppend, DeriveSecretAgreement));
}