1 files changed, 11 insertions, 5 deletions
diff --git a/ext/openssl/ossl_cipher.h b/ext/openssl/ossl_cipher.h
index 2392d41c6a..fba63a140f 100644
--- a/ext/openssl/ossl_cipher.h
+++ b/ext/openssl/ossl_cipher.h
@@ -5,15 +5,21 @@
  */
 /*
  * This program is licensed under the same licence as Ruby.
- * (See the file 'LICENCE'.)
+ * (See the file 'COPYING'.)
  */
 #if !defined(_OSSL_CIPHER_H_)
 #define _OSSL_CIPHER_H_
 
-extern VALUE cCipher;
-extern VALUE eCipherError;
-
-const EVP_CIPHER *ossl_evp_get_cipherbyname(VALUE);
+/*
+ * Gets EVP_CIPHER from a String or an OpenSSL::Digest instance (discouraged,
+ * but still supported for compatibility). A holder object is created if the
+ * EVP_CIPHER is a "fetched" algorithm.
+ */
+const EVP_CIPHER *ossl_evp_cipher_fetch(VALUE obj, volatile VALUE *holder);
+/*
+ * This is meant for OpenSSL::Engine#cipher. EVP_CIPHER must not be a fetched
+ * one.
+ */
 VALUE ossl_cipher_new(const EVP_CIPHER *);
 void Init_ossl_cipher(void);