diff --git a/CHANGELOG.md b/CHANGELOG.md
index dfc144e09..cbf8cda7e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,14 @@ visibility of methods and struct for the `unstable-frost` feature.
 - Added `SpendValidatingKey` serialization and deserialization from bytes
 visibility under the `unstable-frost` feature
   - `orchard::keys::SpendValidatingKey`
+- Added `from_sk_and_ask::keys::FullViewingKey::from_sk_and_ask` under the
+`unstable-frost` feature flag
+- Added `from_sk_and_ask::keys::FullViewingKey::from_checked_parts` under the
+`unstable-frost` feature flag
+
+### Modified
+- `CommitIvkRandomness` is pub for `unstable-frost` feature
+- `NullifierDerivingKey` is pub for `unstable-frost` feature
 
 ## [0.8.0] - 2024-03-25
 
diff --git a/src/keys.rs b/src/keys.rs
index 4becf1150..aa8b62d66 100644
--- a/src/keys.rs
+++ b/src/keys.rs
@@ -223,6 +223,7 @@ impl SpendValidatingKey {
 /// [`Note`]: crate::note::Note
 /// [orchardkeycomponents]: https://zips.z.cash/protocol/nu5.pdf#orchardkeycomponents
 #[derive(Copy, Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
+#[cfg_attr(feature = "unstable-frost", visibility::make(pub))]  
 pub(crate) struct NullifierDerivingKey(pallas::Base);
 
 impl NullifierDerivingKey {
@@ -264,6 +265,7 @@ impl NullifierDerivingKey {
 ///
 /// [orchardkeycomponents]: https://zips.z.cash/protocol/nu5.pdf#orchardkeycomponents
 #[derive(Copy, Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
+#[cfg_attr(feature = "unstable-frost", visibility::make(pub))]
 pub(crate) struct CommitIvkRandomness(pallas::Scalar);
 
 impl From<&SpendingKey> for CommitIvkRandomness {
@@ -331,6 +333,36 @@ impl From<FullViewingKey> for SpendValidatingKey {
 }
 
 impl FullViewingKey {
+    /// Creates a `FullViewingKey` from a `SpendingKey` and `SpendValidatingKey`.
+    /// This is necessary for FROST key management.
+    ///
+    /// Note: See [FROST Book - Technical details](https://frost.zfnd.org/zcash/technical-details.html)
+    #[cfg(feature = "unstable-frost")]
+    pub fn from_sk_and_ask(sk: &SpendingKey, ask: SpendValidatingKey) -> FullViewingKey {
+        FullViewingKey {
+            ak: ask,
+            nk: NullifierDerivingKey::from(sk),
+            rivk: CommitIvkRandomness::from(sk),
+        }
+    }
+
+    /// Creates a `FullViewingKey` from its checked parts. This is necessary for FROST
+    /// key management in order to avoid centralizing spend authority in a backup scheme.
+    ///
+    /// Note: See [FROST Book - Technical details - Backing Up Key Shares](https://frost.zfnd.org/zcash/technical-details.html)
+    #[cfg(feature = "unstable-frost")]
+    pub fn from_checked_parts(
+        ask: SpendValidatingKey,
+        nk: NullifierDerivingKey,
+        rivk: CommitIvkRandomness,
+    ) -> FullViewingKey {
+        FullViewingKey {
+            ak: ask,
+            nk,
+            rivk,
+        }
+    }
+
     pub(crate) fn nk(&self) -> &NullifierDerivingKey {
         &self.nk
     }