예제 #1
0
    public bool Not(ChainCode c)
    {
        bool ret = VisionLabPINVOKE.ChainCode_Not(swigCPtr, ChainCode.getCPtr(c));

        if (VisionLabPINVOKE.SWIGPendingException.Pending)
        {
            throw VisionLabPINVOKE.SWIGPendingException.Retrieve();
        }
        return(ret);
    }
 public static void TrackBoundary(Int32Image image, int label, XYCoord tml, ChainCode cc) {
   VisionLabPINVOKE.TrackBoundary__SWIG_4(Int32Image.getCPtr(image), label, XYCoord.getCPtr(tml), ChainCode.getCPtr(cc));
   if (VisionLabPINVOKE.SWIGPendingException.Pending) throw VisionLabPINVOKE.SWIGPendingException.Retrieve();
 }
 public bool Not(ChainCode c) {
   bool ret = VisionLabPINVOKE.ChainCode_Not(swigCPtr, ChainCode.getCPtr(c));
   if (VisionLabPINVOKE.SWIGPendingException.Pending) throw VisionLabPINVOKE.SWIGPendingException.Retrieve();
   return ret;
 }
 public bool IsEqual_Op(ChainCode c) {
   bool ret = VisionLabPINVOKE.ChainCode_IsEqual_Op(swigCPtr, ChainCode.getCPtr(c));
   if (VisionLabPINVOKE.SWIGPendingException.Pending) throw VisionLabPINVOKE.SWIGPendingException.Retrieve();
   return ret;
 }
 internal static HandleRef getCPtr(ChainCode obj) {
   return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
 }
        public override bool Equals(object obj)
        {
            var o = obj as PrivateKey;

            return(!ReferenceEquals(o, null) && mBytes.SequenceEqual(o.mBytes) && ChainCode.SequenceEqual(o.ChainCode));
        }
예제 #7
0
        /// <summary>
        /// Obtains the parent private key if provided the parent public key. This key must be a private key.
        /// </summary>
        /// <param name="parentPublicKey">The public key of the parent of this extended key.</param>
        /// <returns>Returns the private key of the parent of this extended key.</returns>
        public ExtendedKey GetParentPrivateKey(ExtendedKey parentPublicKey)
        {
            // Verify this key is a private key
            if (KeyType != EthereumEcdsaKeyType.Private)
            {
                // This key is not a private key.
                throw new ArgumentNullException("Could not obtain parent private key. Can only obtain the parent private key of a private key. This key is a public key.");
            }
            else if (parentPublicKey == null)
            {
                // The public key is null.
                throw new ArgumentNullException("Could not obtain parent private key. Provided parent public key argument is null.");
            }
            else if (parentPublicKey.KeyType == EthereumEcdsaKeyType.Private)
            {
                // The public key was not a public key.
                throw new ArgumentException("Could not obtain parent private key. Provided parent public key argument is not a public key.");
            }
            else if (Hardened)
            {
                throw new ArgumentException("Could not obtain parent private key if this key is a hardened key.");
            }
            else if (Depth == 0)
            {
                throw new ArgumentException("Could not obtain parent private key for this key because this key is a top level key.");
            }
            else if (!parentPublicKey.IsChild(this))
            {
                // The provided parent public key is not a parent.
                throw new ArgumentException("Could not obtain parent private key for this key because the provided parent public key argument is not a parent to this key.");
            }

            // Obtain the hash used to derive this current key, from the parent.
            byte[] hash = parentPublicKey.ComputeChildHash(ChildIndex, parentPublicKey.InternalKey.ToPublicKeyArray(true, false));

            // Set the child key data as the first 32 bytes of "hash"
            byte[] childKeyData = new byte[EthereumEcdsa.PRIVATE_KEY_SIZE];
            Array.Copy(hash, 0, childKeyData, 0, childKeyData.Length);

            // Initialize the child chain code
            byte[] childChainCode = new byte[CHAIN_CODE_SIZE];

            // We derive the child chain code as the data immediately following key data.
            Array.Copy(hash, 32, childChainCode, 0, childChainCode.Length);

            // Verify the chain code is equal
            if (!ChainCode.SequenceEqual(childChainCode))
            {
                throw new ArgumentException("Derived chain code from the parent at this key's child index that did not match this key's chain code.");
            }

            // Convert the key data to an integer
            BigInteger childKeyInt = BigIntegerConverter.GetBigInteger(childKeyData, false, childChainCode.Length);

            // Convert this private key to an integer
            byte[]     thisKeyData = InternalKey.ToPrivateKeyArray();
            BigInteger thisKeyInt  = BigIntegerConverter.GetBigInteger(thisKeyData, false, thisKeyData.Length);

            // Compute our parent key
            BigInteger parentPrivateKeyInt = ((thisKeyInt - childKeyInt) + Secp256k1Curve.N) % Secp256k1Curve.N;

            // Obtain our new key from this
            byte[] computedParentKeyData = BigIntegerConverter.GetBytes(parentPrivateKeyInt, EthereumEcdsa.PRIVATE_KEY_SIZE);

            // Obtain the parent private key
            EthereumEcdsa parentPrivateKey = EthereumEcdsa.Create(computedParentKeyData, EthereumEcdsaKeyType.Private);

            // Create the parent extended private key
            return(new ExtendedKey(parentPrivateKey, parentPublicKey.ChainCode, parentPublicKey.Depth, parentPublicKey.ChildIndex, parentPublicKey.Fingerprint));
        }
 internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ChainCode obj)
 {
     return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
 }