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-rw-r--r--src/lib/ffi/ffi.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/ffi/ffi.h b/src/lib/ffi/ffi.h
index ce2253725..2def4f4d5 100644
--- a/src/lib/ffi/ffi.h
+++ b/src/lib/ffi/ffi.h
@@ -220,6 +220,10 @@ BOTAN_DLL int botan_cipher_get_tag_length(botan_cipher_t cipher, size_t* tag_siz
BOTAN_DLL int botan_cipher_get_default_nonce_length(botan_cipher_t cipher, size_t* nl);
BOTAN_DLL int botan_cipher_get_update_granularity(botan_cipher_t cipher, size_t* ug);
+BOTAN_DLL int botan_cipher_query_keylen(botan_cipher_t,
+ size_t* out_minimum_keylength,
+ size_t* out_maximum_keylength);
+
BOTAN_DLL int botan_cipher_set_key(botan_cipher_t cipher,
const uint8_t* key, size_t key_len);