1 package com.android.anqp.eap; 2 3 import java.net.ProtocolException; 4 import java.nio.ByteBuffer; 5 6 import static com.android.anqp.Constants.BYTE_MASK; 7 8 /** 9 * An EAP authentication parameter, IEEE802.11-2012, table 8-188 10 */ 11 public class Credential implements AuthParam { 12 13 public enum CredType { 14 Reserved, 15 SIM, 16 USIM, 17 NFC, 18 HWToken, 19 Softoken, 20 Certificate, 21 Username, 22 None, 23 Anonymous, 24 VendorSpecific} 25 26 private final EAP.AuthInfoID mAuthInfoID; 27 private final CredType mCredType; 28 29 public Credential(EAP.AuthInfoID infoID, int length, ByteBuffer payload) 30 throws ProtocolException { 31 if (length != 1) { 32 throw new ProtocolException("Bad length: " + length); 33 } 34 35 mAuthInfoID = infoID; 36 int typeID = payload.get() & BYTE_MASK; 37 38 mCredType = typeID < CredType.values().length ? 39 CredType.values()[typeID] : 40 CredType.Reserved; 41 } 42 43 @Override 44 public EAP.AuthInfoID getAuthInfoID() { 45 return mAuthInfoID; 46 } 47 48 @Override 49 public int hashCode() { 50 return mAuthInfoID.hashCode() * 31 + mCredType.hashCode(); 51 } 52 53 @Override 54 public boolean equals(Object thatObject) { 55 if (thatObject == this) { 56 return true; 57 } else if (thatObject == null || thatObject.getClass() != Credential.class) { 58 return false; 59 } else { 60 return ((Credential) thatObject).getCredType() == getCredType(); 61 } 62 } 63 64 public CredType getCredType() { 65 return mCredType; 66 } 67 68 @Override 69 public String toString() { 70 return "Auth method " + mAuthInfoID + " = " + mCredType + "\n"; 71 } 72 } 73
