DeriveKeyFromHmac() [2/2]

override byte[] System.Security.Cryptography.ECDiffieHellmanCng.DeriveKeyFromHmac ( ECDiffieHellmanPublicKey otherPartyPublicKey, HashAlgorithmName hashAlgorithm, byte?[] hmacKey, byte?[] secretPrepend, byte?[] secretAppend )

inlinevirtual

Reimplemented from System.Security.Cryptography.ECDiffieHellman.

Definition at line 443 of file ECDiffieHellmanCng.cs.

    {
        if (otherPartyPublicKey == null)
        {
            throw new ArgumentNullException("otherPartyPublicKey");
        }
        if (string.IsNullOrEmpty(hashAlgorithm.Name))
        {
            throw new ArgumentException(System.SR.Cryptography_HashAlgorithmNameNullOrEmpty, "hashAlgorithm");
        }
        using SafeNCryptSecretHandle secretAgreement = DeriveSecretAgreementHandle(otherPartyPublicKey);
        global::Interop.NCrypt.SecretAgreementFlags flags = ((hmacKey == null) ? global::Interop.NCrypt.SecretAgreementFlags.UseSecretAsHmacKey : global::Interop.NCrypt.SecretAgreementFlags.None);
        return global::Interop.NCrypt.DeriveKeyMaterialHmac(secretAgreement, hashAlgorithm.Name, hmacKey, secretPrepend, secretAppend, flags);
    }

References System.SR.Cryptography_HashAlgorithmNameNullOrEmpty, System.Security.Cryptography.ECDiffieHellmanCng.DeriveSecretAgreementHandle(), and System.Security.Cryptography.HashAlgorithmName.Name.