ffi: Wrap Secret.

2 files changed, 33 insertions, 0 deletions

diff --git a/ffi/include/sequoia/openpgp.h b/ffi/include/sequoia/openpgp.h
index a46aa275..9d1ebdc1 100644
--- a/ffi/include/sequoia/openpgp.h
+++ b/ffi/include/sequoia/openpgp.h
@@ -1295,4 +1295,11 @@ sq_writer_stack_t sq_encryptor_new (sq_context_t ctx,
                                     size_t recipients_len,
                                     sq_encryption_mode_t mode);
 
+typedef struct sq_secret *sq_secret_t;
+
+/*/
+/// Creates an sq_secret_t from a decrypted session key.
+/*/
+sq_secret_t sq_secret_cached(uint8_t algo,
+                             uint8_t *session_key, size_t session_key_len);
 #endif
diff --git a/ffi/src/openpgp.rs b/ffi/src/openpgp.rs
index a531fec0..95d1f521 100644
--- a/ffi/src/openpgp.rs
+++ b/ffi/src/openpgp.rs
@@ -34,6 +34,9 @@ use self::openpgp::tpk::{
 };
 use self::openpgp::packet;
 use self::openpgp::parse::{PacketParserResult, PacketParser, PacketParserEOF};
+use self::openpgp::parse::stream::{
+    Secret,
+};
 use self::openpgp::serialize::Serialize;
 use self::openpgp::constants::{
     DataFormat,
@@ -2097,3 +2100,26 @@ pub extern "system" fn sq_encryptor_new
                                  &recipients,
                                  encryption_mode))
 }
+
+// Secret.
+
+/// Creates an sq_secret_t from a decrypted session key.
+#[no_mangle]
+pub fn sq_secret_cached<'a>(algo: u8,
+                            session_key: *const u8,
+                            session_key_len: size_t)
+   -> *mut Secret
+{
+    let session_key = if session_key_len > 0 {
+        unsafe {
+            slice::from_raw_parts(session_key, session_key_len)
+        }
+    } else {
+        &[]
+    };
+
+    box_raw!(Secret::Cached {
+        algo: algo.into(),
+        session_key: session_key.to_vec().into()
+    })
+}