System.Security.Cryptography.X509Certificates.X509Certificate.GetKeyAlgorithm C# (CSharp) Method

        public virtual string GetKeyAlgorithm()
        {
            ThrowIfInvalid();

            string keyAlgorithm = _lazyKeyAlgorithm;
            if (keyAlgorithm == null)
                keyAlgorithm = _lazyKeyAlgorithm = Pal.KeyAlgorithm;
            return keyAlgorithm;
        }

        // Checks if two certificates have the same public key, keyalg, and keyparam. 
        internal static bool PublicKeyEquals( X509Certificate cert1, X509Certificate cert2 )
        {
            if (cert1 == null)
            { 
                return (cert2 == null);
            } 
            else if (cert2 == null) 
            {
                return false; 
            }

            byte[] publicKey1 = cert1.GetPublicKey();
            String keyAlg1 = cert1.GetKeyAlgorithm(); 
            byte[] keyAlgParam1 = cert1.GetKeyAlgorithmParameters();
            byte[] publicKey2 = cert2.GetPublicKey(); 
            String keyAlg2 = cert2.GetKeyAlgorithm(); 
            byte[] keyAlgParam2 = cert2.GetKeyAlgorithmParameters();
 
            // Keys are most likely to be different of the three components,
            // so check them first

            int len = publicKey1.Length; 
            if (len != publicKey2.Length) return(false);
            for (int i = 0; i < len; i++) { 
                if (publicKey1[i] != publicKey2[i]) return(false); 
            }
            if (!(keyAlg1.Equals(keyAlg2))) return(false); 
            len = keyAlgParam1.Length;
            if (keyAlgParam2.Length != len) return(false);
            for (int i = 0; i < len; i++) {
                if (keyAlgParam1[i] != keyAlgParam2[i]) return(false); 
            }
 
            return true; 
        }