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-rw-r--r--src/libstrongswan/crypto/iv/iv_gen_seq.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstrongswan/crypto/iv/iv_gen_seq.h b/src/libstrongswan/crypto/iv/iv_gen_seq.h
index 329dcca05..43ff4f65e 100644
--- a/src/libstrongswan/crypto/iv/iv_gen_seq.h
+++ b/src/libstrongswan/crypto/iv/iv_gen_seq.h
@@ -25,6 +25,9 @@
/**
* Create an IV generator that generates sequential IVs (counter).
*
+ * The passed external IV must be larger than the one passed to any previous
+ * call.
+ *
* @return IV generator
*/
iv_gen_t *iv_gen_seq_create();