Implement getting the bits of an evp type key.

Change-Id: Ibbd62e146bcfc7ecaa999a694416db2488e14052

diff --git a/src/key.c b/src/key.c
index 78dd5c8..6ba3c9e 100644 (file)
--- a/src/key.c
+++ b/src/key.c
@@ -104,8 +104,16 @@ API int yaca_key_get_length(const yaca_key_h key)
        }
 
        if (evp_key != NULL) {
+               int ret;
+
                evp_key_sanity_check(evp_key);
-               return YACA_ERROR_NOT_IMPLEMENTED;
+
+               // TODO: handle ECC keys when they're implemented
+               ret = EVP_PKEY_bits(evp_key->evp);
+               if (ret <= 0)
+                       return YACA_ERROR_OPENSSL_FAILURE;
+
+               return ret;
        }
 
        return YACA_ERROR_INVALID_ARGUMENT;