public virtual void Validate()

in UProveCrypto/CollaborativeIssuance.cs [58:120]
54 lines of code
19 McCabe index (conditional complexity)

        public virtual void Validate()
        {
            if (Attributes == null)
            {
                throw new ArgumentException("Attributes array is null");
            }

            if (C != null || Corig != null)
            {
                if (C == null || Corig == null)
                {
                    throw new ArgumentException("Both C and Corig must be null, or both must be non-null");
                }
            }

            if (C != null && (C.Length != Corig.Length))
            {
                throw new ArgumentException("C and Corig must have the same length");
            }

            if (C == null && U == null && K != null)
            {
                throw new ArgumentException("If all attributes are known, then the standard issuance protocol should be used, not collaborative issuance");
            }
            
            // Make any of the integer arrays that are null have length zero
            if (C == null)
            {
                C = new int[] { };
            }
            if (Corig == null)
            {
                Corig = new int[] { };
            }
            if (K == null)
            {
                K = new int[] { };
            }
            if (U == null)
            {
                U = new int[] { };
            }

            // Check that C, U, K are pairwise disjoint 
            if (C.Intersect(U).Count() != 0)
            {
                throw new ArgumentException("C and U not disjoint: " + C.Intersect(U));
            }
            if (U.Intersect(K).Count() != 0)
            {
                throw new ArgumentException("U and K are not disjoint: " + U.Intersect(K));
            }
            if (C.Intersect(K).Count() != 0)
            {
                throw new ArgumentException("C and K are not disjoint: " + C.Intersect(K));
            }

            // Check that C, U, K contain all attributes
            if ((U.Union(C)).Union(K).Count() != (IP.G.Length - 2))
            {
                throw new ArgumentException("C, U and K do not jointly contain all attributes");
            }
        }