1 files changed, 18 insertions, 0 deletions
diff --git a/openpgp/src/crypto/backend/nettle.rs b/openpgp/src/crypto/backend/nettle.rs
index 716ec5e1..d2197493 100644
--- a/openpgp/src/crypto/backend/nettle.rs
+++ b/openpgp/src/crypto/backend/nettle.rs
@@ -66,4 +66,22 @@ impl AEADAlgorithm {
                 => false,
         }
     }
+
+    #[cfg(test)]
+    pub(crate) fn supports_symmetric_algo(&self, algo: &SymmetricAlgorithm) -> bool {
+        match &self {
+            AEADAlgorithm::EAX =>
+                match algo {
+                    SymmetricAlgorithm::AES128 |
+                    SymmetricAlgorithm::AES192 |
+                    SymmetricAlgorithm::AES256 |
+                    SymmetricAlgorithm::Twofish |
+                    SymmetricAlgorithm::Camellia128 |
+                    SymmetricAlgorithm::Camellia192 |
+                    SymmetricAlgorithm::Camellia256 => true,
+                    _ => false,
+                },
+            _ => false
+        }
+    }
 }