Capitalize PIN as its an abbreviation

attestation_test.go

@@ -33,7 +33,7 @@ func TestAttestation(t *testing.T) {
 		serial, err := c.Serial()
 		assert.NoError(t, err, "Failed to get serial number")
 		assert.Equal(t, serial, a.Serial, "Mismatching attestation serial got=%d, wanted=%d", a.Serial, serial)
-		assert.Equal(t, key.PINPolicy, a.PINPolicy, "Mismatching attestation pin policy got=0x%x, wanted=0x%x", a.TouchPolicy, key.PINPolicy)
+		assert.Equal(t, key.PINPolicy, a.PINPolicy, "Mismatching attestation PIN policy got=0x%x, wanted=0x%x", a.TouchPolicy, key.PINPolicy)
 		assert.Equal(t, key.TouchPolicy, a.TouchPolicy, "Mismatching attestation touch policy got=0x%x, wanted=0x%x", a.TouchPolicy, key.TouchPolicy)
 		assert.Equal(t, c.Version(), a.Version, "Mismatching attestation version got=%#v, wanted=%#v", a.Version, c.Version())
 		assert.Equal(t, SlotAuthentication, a.Slot, "Mismatching attested slot got=%v, wanted=%v", a.Slot, SlotAuthentication)

auth.go

@@ -304,7 +304,7 @@ func loginNeeded(tx *iso.Transaction) bool {
 func (c *Card) Retries() (int, error) {
 	_, err := send(c.tx, iso.InsVerify, 0, 0x80, nil)
 	if err == nil {
-		return 0, fmt.Errorf("%w from empty pin", errExpectedError)
+		return 0, fmt.Errorf("%w from empty PIN", errExpectedError)
 	}
 
 	var aErr AuthError

auth_test.go

@@ -73,10 +73,10 @@ func TestUnblockPIN(t *testing.T) {
 		badPIN := "0"
 		for {
 			err := login(c.tx, badPIN)
-			require.Error(t, err, "Login with bad pin succeeded")
+			require.Error(t, err, "Login with bad PIN succeeded")
 
 			var e AuthError
-			require.ErrorAs(t, err, &e, "Error returned was not a wrong pin error")
+			require.ErrorAs(t, err, &e, "Error returned was not a wrong PIN error")
 
 			if e.Retries == 0 {
 				break
@@ -87,7 +87,7 @@ func TestUnblockPIN(t *testing.T) {
 		require.NoError(t, err, "Failed to unblock PIN")
 
 		err = login(c.tx, DefaultPIN)
-		assert.NoError(t, err, "Failed to login with pin after unblock")
+		assert.NoError(t, err, "Failed to login with PIN after unblock")
 	})
 }
 
@@ -96,7 +96,7 @@ func TestChangePIN(t *testing.T) {
 		newPIN := "654321"
 
 		err := c.SetPIN(newPIN, newPIN)
-		assert.Error(t, err, "Successfully changed pin with invalid pin, expected error")
+		assert.Error(t, err, "Successfully changed PIN with invalid PIN, expected error")
 
 		err = c.SetPIN(DefaultPIN, newPIN)
 		require.NoError(t, err, "Failed to change PIN")

key.go

@@ -26,13 +26,13 @@ var (
 
 	errInvalidPKCS1Padding      = errors.New("invalid PKCS#1 v1.5 padding")
 	errInvalidSerialNumber      = errors.New("invalid serial number")
-	errMissingPIN               = errors.New("pin required but wasn't provided")
+	errMissingPIN               = errors.New("PIN required but wasn't provided")
 	errParseCert                = errors.New("failed to parse certificate")
 	errUnexpectedLength         = errors.New("unexpected length")
 	errUnmarshal                = errors.New("failed to unmarshal")
 	errUnsupportedAlgorithm     = errors.New("unsupported algorithm")
 	errUnsupportedHashAlgorithm = errors.New("unsupported hash algorithm")
-	errUnsupportedPinPolicy     = errors.New("unsupported pin policy")
+	errUnsupportedPinPolicy     = errors.New("unsupported PIN policy")
 	errUnsupportedTouchPolicy   = errors.New("unsupported touch policy")
 	errUnsupportedKeyType       = errors.New("unsupported key type")
 	errUnsupportedOrigin        = errors.New("unsupported origin")

metadata.go

@@ -33,7 +33,7 @@ func (ki *Metadata) unmarshal(tvs tlv.TagValues) (err error) {
 	// PIN & Touch Policy
 	if v, _, ok := tvs.Get(0x02); ok {
 		if len(v) != 2 {
-			return fmt.Errorf("%w for pin and touch policy", errUnexpectedLength)
+			return fmt.Errorf("%w for PIN and touch policy", errUnexpectedLength)
 		}
 
 		if ki.PINPolicy, ok = pinPolicyMapInv[v[0]]; !ok {

pin_protected.go

@@ -48,7 +48,7 @@ func (d *PinProtectedData) SetManagementKey(key ManagementKey) error {
 	if tvs := d.PopAll(0x88); len(tvs) == 0 {
 		tvYubico = tlv.New(0x88)
 	} else if len(tvs) > 1 {
-		return fmt.Errorf("%w: found more then one YubiKey pin protected tag value", errUnmarshal)
+		return fmt.Errorf("%w: found more then one YubiKey PIN protected tag value", errUnmarshal)
 	} else {
 		tvYubico = tvs[0]
 	}

piv.go

@@ -21,7 +21,7 @@ import (
 var (
 	errChallengeFailed  = errors.New("challenge failed")
 	errExpectedError    = errors.New("expected error")
-	errInvalidPinLength = errors.New("invalid pin length")
+	errInvalidPinLength = errors.New("invalid PIN length")
 )
 
 const (