docs: edited comments

Author: DennisDyallo

Yubico.YubiKey/src/Yubico/YubiKey/Piv/PivConstants.cs

@@ -27,7 +27,7 @@ internal static class PivConstants
     public const int PrivateRSAExponentQTag = 0x04;
     public const int PrivateRSACoefficientTag = 0x05;
 
-    public const int PublicECTag = 0x86;
+    public const int PublicECTag = 0x86; // P-256, P-384, P-521, Ed25519 and X25519
 
     public const int PrivateECDsaTag = 0x06; // P-256, P-384, P-521
     public const int PrivateECEd25519Tag = 0x7;

Yubico.YubiKey/src/Yubico/YubiKey/Piv/PivSession.Attestation.cs

@@ -467,7 +467,7 @@ private static bool IsCertSameAlgorithm(bool isValidCert, X509Certificate2 certi
                 // is given in bits, and the Length of the encoded key is given
                 // in bytes, compare ( 2 * (keySize / 8)) + 1.
                 // That's why the comparison is to (keySize / 4) + 1.
-                if (certificate.PublicKey.Oid.Value == keyType.ToAlgorithmOid()) // TODO potential bug where FriendlyName can differ on OSs
+                if (certificate.PublicKey.Oid.Value == keyType.GetAlgorithmOid())
                 {
                     returnValue = keySize switch
                     {