using Org.BouncyCastle.Crypto.Digests; using Org.BouncyCastle.Crypto.Macs; using Org.BouncyCastle.Crypto.Parameters; namespace ModernKeePassLib.Cryptography.Hash { public class HMACSHA1: HMAC { public HMACSHA1(byte[] key) { _hmac = new HMac(new Sha1Digest()); _hmac.Init(new KeyParameter(key)); } } }