diff --git a/card-functionality/src/tests.rs b/card-functionality/src/tests.rs
index 3cac087..68115f6 100644
--- a/card-functionality/src/tests.rs
+++ b/card-functionality/src/tests.rs
@@ -371,13 +371,13 @@ pub fn test_private_data(
 
     ca.verify_pw1("123456")?;
 
-    ca.set_private(1, "Foo bar1!".as_bytes().to_vec())?;
-    ca.set_private(3, "Foo bar3!".as_bytes().to_vec())?;
+    ca.set_private_use_do(1, "Foo bar1!".as_bytes().to_vec())?;
+    ca.set_private_use_do(3, "Foo bar3!".as_bytes().to_vec())?;
 
     ca.verify_pw3("12345678")?;
 
-    ca.set_private(2, "Foo bar2!".as_bytes().to_vec())?;
-    ca.set_private(4, "Foo bar4!".as_bytes().to_vec())?;
+    ca.set_private_use_do(2, "Foo bar2!".as_bytes().to_vec())?;
+    ca.set_private_use_do(4, "Foo bar4!".as_bytes().to_vec())?;
 
     let d = ca.private_use_do(1)?;
     println!("data 1 {:?}", d);
diff --git a/openpgp-card/src/apdu/commands.rs b/openpgp-card/src/apdu/commands.rs
index de27113..d67400d 100644
--- a/openpgp-card/src/apdu/commands.rs
+++ b/openpgp-card/src/apdu/commands.rs
@@ -37,7 +37,7 @@ pub(crate) fn application_related_data() -> Command {
 }
 
 /// GET DO "private use"
-pub(crate) fn private_do(num: u8) -> Command {
+pub(crate) fn private_use_do(num: u8) -> Command {
     get_data(&[0x01, num])
 }
 
@@ -115,7 +115,7 @@ pub(crate) fn put_data(tag: &[u8], data: Vec<u8>) -> Command {
 }
 
 /// PUT DO "private use"
-pub(crate) fn put_private_do(num: u8, data: Vec<u8>) -> Command {
+pub(crate) fn put_private_use_do(num: u8, data: Vec<u8>) -> Command {
     put_data(&[0x01, num], data)
 }
 
diff --git a/openpgp-card/src/card_app.rs b/openpgp-card/src/card_app.rs
index e44ce2d..8e8638b 100644
--- a/openpgp-card/src/card_app.rs
+++ b/openpgp-card/src/card_app.rs
@@ -131,18 +131,6 @@ impl CardApp {
         Ok(ApplicationRelatedData(Tlv::new(Tag::from([0x6E]), value)))
     }
 
-    /// Get data from "private use" DO.
-    ///
-    /// `num` must be between 1 and 4.
-    pub fn private_use_do(&mut self, num: u8) -> Result<Vec<u8>> {
-        assert!((1..=4).contains(&num));
-
-        let cmd = commands::private_do(num);
-        let resp = apdu::send_command(self.card_client(), cmd, true)?;
-
-        Ok(resp.data()?.to_vec())
-    }
-
     #[allow(dead_code)]
     fn ca_fingerprints() {
         unimplemented!()
@@ -173,8 +161,6 @@ impl CardApp {
         unimplemented!()
     }
 
-    // --- optional private DOs (0101 - 0104) ---
-
     // --- login data (5e) ---
 
     /// Get URL (5f50)
@@ -294,6 +280,40 @@ impl CardApp {
         apdu::send_command(self.card_client(), cmd, true)?.try_into()
     }
 
+    // --- optional private DOs (0101 - 0104) ---
+
+    /// Get data from "private use" DO.
+    ///
+    /// `num` must be between 1 and 4.
+    pub fn private_use_do(&mut self, num: u8) -> Result<Vec<u8>> {
+        assert!((1..=4).contains(&num));
+
+        let cmd = commands::private_use_do(num);
+        let resp = apdu::send_command(self.card_client(), cmd, true)?;
+
+        Ok(resp.data()?.to_vec())
+    }
+
+    /// Set data of "private use" DO.
+    ///
+    /// `num` must be between 1 and 4.
+    ///
+    /// Access condition:
+    /// - 1/3 need PW1 (82)
+    /// - 2/4 need PW3
+    pub fn set_private_use_do(
+        &mut self,
+        num: u8,
+        data: Vec<u8>,
+    ) -> Result<Vec<u8>> {
+        assert!((1..=4).contains(&num));
+
+        let cmd = commands::put_private_use_do(num, data);
+        let resp = apdu::send_command(self.card_client(), cmd, true)?;
+
+        Ok(resp.data()?.to_vec())
+    }
+
     // ----------
 
     /// Reset all state on this OpenPGP card.
@@ -658,22 +678,6 @@ impl CardApp {
 
     // --- admin ---
 
-    /// Set data of "private use" DO.
-    ///
-    /// `num` must be between 1 and 4.
-    ///
-    /// Access condition:
-    /// - 1/3 need PW1 (82)
-    /// - 2/4 need PW3
-    pub fn set_private(&mut self, num: u8, data: Vec<u8>) -> Result<Vec<u8>> {
-        assert!((1..=4).contains(&num));
-
-        let cmd = commands::put_private_do(num, data);
-        let resp = apdu::send_command(self.card_client(), cmd, true)?;
-
-        Ok(resp.data()?.to_vec())
-    }
-
     pub fn set_name(&mut self, name: &str) -> Result<Response, Error> {
         let put_name = commands::put_name(name.as_bytes().to_vec());
         apdu::send_command(self.card_client(), put_name, false)?.try_into()