1 files changed, 16 insertions, 2 deletions
diff --git a/openpgp/src/crypto/backend/nettle.rs b/openpgp/src/crypto/backend/nettle.rs
index d2d8750a..62c62f4b 100644
--- a/openpgp/src/crypto/backend/nettle.rs
+++ b/openpgp/src/crypto/backend/nettle.rs
@@ -14,9 +14,10 @@ pub mod symmetric;
 pub fn backend() -> String {
     let (major, minor) = nettle::version();
     format!(
-        "Nettle {}.{} (Cv448: {:?})",
+        "Nettle {}.{} (Cv448: {:?}, OCB: {:?})",
         major, minor,
         nettle::curve448::IS_SUPPORTED,
+        nettle::aead::OCB_IS_SUPPORTED,
     )
 }
 
@@ -65,7 +66,9 @@ impl AEADAlgorithm {
         match &self {
             EAX
                 => true,
-            OCB | Private(_) | Unknown(_)
+            OCB
+                => nettle::aead::OCB_IS_SUPPORTED,
+            Private(_) | Unknown(_)
                 => false,
         }
     }
@@ -84,6 +87,17 @@ impl AEADAlgorithm {
                     SymmetricAlgorithm::Camellia256 => true,
                     _ => false,
                 },
+            AEADAlgorithm::OCB =>
+                match algo {
+                    SymmetricAlgorithm::AES128 |
+                    SymmetricAlgorithm::AES192 |
+                    SymmetricAlgorithm::AES256 |
+                    SymmetricAlgorithm::Twofish |
+                    SymmetricAlgorithm::Camellia128 |
+                    SymmetricAlgorithm::Camellia192 |
+                    SymmetricAlgorithm::Camellia256 => true,
+                    _ => false,
+                },
             _ => false
         }
     }