Finish eliminating consts module

Either moves constants into their relevant modules, or puts the
remaining ones into `lib.rs`

src/lib.rs

@@ -140,7 +140,6 @@ pub mod cccid;
 pub mod certificate;
 pub mod chuid;
 pub mod config;
-mod consts;
 #[cfg(feature = "untested")]
 pub mod container;
 pub mod error;
@@ -164,3 +163,32 @@ pub type ObjectId = u32;
 
 /// Buffer type (self-zeroizing byte vector)
 pub(crate) type Buffer = zeroize::Zeroizing<Vec<u8>>;
+
+/// YubiKey max buffer size
+pub(crate) const CB_BUF_MAX: usize = 3072;
+
+/// YubiKey max object size
+#[cfg(feature = "untested")]
+pub(crate) const CB_OBJ_MAX: usize = CB_BUF_MAX - 9;
+pub(crate) const CB_OBJ_TAG_MIN: usize = 2; // 1 byte tag + 1 byte len
+#[cfg(feature = "untested")]
+pub(crate) const CB_OBJ_TAG_MAX: usize = (CB_OBJ_TAG_MIN + 2); // 1 byte tag + 3 bytes len
+
+pub(crate) const TAG_ADMIN: u8 = 0x80;
+pub(crate) const TAG_ADMIN_FLAGS_1: u8 = 0x81;
+pub(crate) const TAG_ADMIN_SALT: u8 = 0x82;
+pub(crate) const TAG_ADMIN_TIMESTAMP: u8 = 0x83;
+pub(crate) const TAG_PROTECTED: u8 = 0x88;
+pub(crate) const TAG_PROTECTED_FLAGS_1: u8 = 0x81;
+pub(crate) const TAG_PROTECTED_MGM: u8 = 0x89;
+
+/// PIV Applet ID
+pub(crate) const PIV_AID: [u8; 5] = [0xa0, 0x00, 0x00, 0x03, 0x08];
+
+/// MGMT Applet ID.
+/// <https://developers.yubico.com/PIV/Introduction/Admin_access.html>
+#[cfg(feature = "untested")]
+pub(crate) const MGMT_AID: [u8; 8] = [0xa0, 0x00, 0x00, 0x05, 0x27, 0x47, 0x11, 0x17];
+
+/// YubiKey OTP Applet ID. Needed to query serial on YK4.
+pub(crate) const YK_AID: [u8; 8] = [0xa0, 0x00, 0x00, 0x05, 0x27, 0x20, 0x01, 0x01];