Introduce RID type

Signed-off-by: Steffen Vogel <[email protected]>
cunicu · Nov 28, 2023 · 159b701 · 159b701
1 parent 206395e
commit 159b701
Showing 1 changed file with 44 additions and 18 deletions.
diff --git a/aid.go b/aid.go
@@ -8,33 +8,59 @@ func concat(prefix []byte, rest ...byte) (r []byte) {
 	return append(r, rest...)
 }
 
+type RID [5]byte
+
+func (r RID) String() string {
+	switch r {
+	case RidNIST:
+		return "NIST"
+	case RidFSFE:
+		return "FSFE"
+	case RidYubico:
+		return "Yubico"
+	case RidFIDO:
+		return "FIDO"
+	case RidSolokeys:
+		return "Solokeys"
+	case RidGlobalPlatform:
+		return "GlobalPlatform"
+	case RidNXPNFC:
+		return "NXP NFC"
+	default:
+		return "<unknown>"
+	}
+}
+
 //nolint:gochecknoglobals
 var (
 	// https://www.eftlab.com/knowledge-base/complete-list-of-registered-application-provider-identifiers-rid
-	RidNIST           = []byte{0xa0, 0x00, 0x00, 0x03, 0x08}
-	RidFSFE           = []byte{0xd2, 0x76, 0x00, 0x01, 0x24}
-	RidYubico         = []byte{0xa0, 0x00, 0x00, 0x05, 0x27}
-	RidFIDO           = []byte{0xa0, 0x00, 0x00, 0x06, 0x47}
-	RidSolokeys       = []byte{0xA0, 0x00, 0x00, 0x08, 0x47}
-	RidGlobalPlatform = []byte{0xa0, 0x00, 0x00, 0x01, 0x51}
-	RidNXPNFC         = []byte{0xD2, 0x76, 0x00, 0x00, 0x85}
+	RidNIST           = RID{0xa0, 0x00, 0x00, 0x03, 0x08}
+	RidFSFE           = RID{0xd2, 0x76, 0x00, 0x01, 0x24}
+	RidYubico         = RID{0xa0, 0x00, 0x00, 0x05, 0x27}
+	RidFIDO           = RID{0xa0, 0x00, 0x00, 0x06, 0x47}
+	RidSolokeys       = RID{0xA0, 0x00, 0x00, 0x08, 0x47}
+	RidGlobalPlatform = RID{0xa0, 0x00, 0x00, 0x01, 0x51}
+	RidNXPNFC         = RID{0xD2, 0x76, 0x00, 0x00, 0x85}
+)
 
+//nolint:gochecknoglobals
+var (
 	// https://nvlpubs.nist.gov/nistpubs/specialpublications/nist.sp.800-73-4.pdf
-	AidPIV = concat(RidNIST, 0x00, 0x00, 0x10, 0x00)
+	AidPIV = concat(RidNIST[:], 0x00, 0x00, 0x10, 0x00)
 
 	// https://gnupg.org/ftp/specs/OpenPGP-smart-card-application-3.4.1.pdf
-	AidOpenPGP = concat(RidFSFE, 0x01)
+	AidOpenPGP = concat(RidFSFE[:], 0x01)
 
 	// https://fidoalliance.org/specs/fido-v2.1-ps-20210615/fido-client-to-authenticator-protocol-v2.1-ps-20210615.html#nfc-applet-selection
-	AidFIDO = concat(RidFIDO, 0x2f, 0x00, 0x01)
+	AidFIDO = concat(RidFIDO[:], 0x2f, 0x00, 0x01)
 
 	// https://github.com/Yubico/yubikey-manager/blob/6496393f9269e86fb7b4b67907b397db33b50c2d/yubikit/core/smartcard.py#L66
-	AidYubicoOTP           = concat(RidYubico, 0x20, 0x01)
-	AidYubicoManagement    = concat(RidYubico, 0x47, 0x11, 0x17)
-	AidYubicoOATH          = concat(RidYubico, 0x21, 0x01)
-	AidYubicoHSMAuth       = concat(RidYubico, 0x21, 0x07, 0x01)
-	AidSolokeysAdmin       = concat(RidSolokeys, 0x00, 0x00, 0x00, 0x01)
-	AidSolokeysProvisioner = concat(RidSolokeys, 0x01, 0x00, 0x00, 0x01)
-	AidCardManager         = concat(RidGlobalPlatform, 0x00, 0x00, 0x00)
-	AidNDEF                = concat(RidNXPNFC, 0x01, 0x01)
+	AidYubicoOTP           = concat(RidYubico[:], 0x20, 0x01)
+	AidYubicoManagement    = concat(RidYubico[:], 0x47, 0x11, 0x17)
+	AidYubicoOATH          = concat(RidYubico[:], 0x21, 0x01)
+	AidYubicoHSMAuth       = concat(RidYubico[:], 0x21, 0x07, 0x01)
+	AidSolokeysAdmin       = concat(RidSolokeys[:], 0x00, 0x00, 0x00, 0x01)
+	AidSolokeysProvisioner = concat(RidSolokeys[:], 0x01, 0x00, 0x00, 0x01)
+	AidCardManager         = concat(RidGlobalPlatform[:], 0x00, 0x00, 0x00)
+	AidNDEF                = concat(RidNXPNFC[:], 0x01, 0x01)
 )