public Blake2BHasher(Blake2BConfig config)
        {
            if (config == null)
            {
                config = DefaultConfig;
            }
            this.core      = new Blake2BCore(config.LockMemoryPolicy);
            this.rawConfig = Blake2IvBuilder.ConfigB(config, null);
            if (config.Key != null && config.Key.Length != 0)
            {
                this.key = new SecureArray <byte>(128);
                Array.Copy(config.Key, this.key.Buffer, config.Key.Length);
            }

            this.outputSizeInBytes   = config.OutputSizeInBytes;
            this.defaultOutputBuffer = config.Result64ByteBuffer;
            this.Init();
        }
Esempio n. 2
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        public Blake2BHasher(Blake2BConfig config, SecureArrayCall secureArrayCall)
        {
            if (config == null)
            {
                config = DefaultConfig;
            }
            this.core      = new Blake2BCore(secureArrayCall, config.LockMemoryPolicy);
            this.rawConfig = Blake2IvBuilder.ConfigB(config, null, secureArrayCall);
            if (config.Key != null && config.Key.Length != 0)
            {
                switch (config.LockMemoryPolicy)
                {
                case LockMemoryPolicy.None:
                    this.key = new SecureArray <byte>(128, SecureArrayType.ZeroedAndPinned, secureArrayCall);
                    break;

                case LockMemoryPolicy.BestEffort:
                    try
                    {
                        this.key = new SecureArray <byte>(128, SecureArrayType.ZeroedPinnedAndNoSwap, secureArrayCall);
                    }
                    catch (LockFailException e)
                    {
                        this.key = new SecureArray <byte>(128, SecureArrayType.ZeroedAndPinned, secureArrayCall);
                    }

                    break;

                default:
                    this.key = new SecureArray <byte>(128, SecureArrayType.ZeroedPinnedAndNoSwap, secureArrayCall);
                    break;
                }

                Array.Copy(config.Key, this.key.Buffer, config.Key.Length);
            }

            this.outputSizeInBytes   = config.OutputSizeInBytes;
            this.defaultOutputBuffer = config.Result64ByteBuffer;
            this.Init();
        }