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-rw-r--r--src/pki/pki.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/pki/pki.h b/src/pki/pki.h
index 3f0793cfd..3976c33b7 100644
--- a/src/pki/pki.h
+++ b/src/pki/pki.h
@@ -65,7 +65,8 @@ void set_file_mode(FILE *stream, cred_encoding_type_t enc);
* @param digest hash algorithm (if HASH_UNKNOWN a default is determined
* based on the key)
* @param pss use PSS padding for RSA keys
- * @return allocated signature scheme and parameters
+ * @return allocated signature scheme and parameters (NULL if none
+ * found)
*/
signature_params_t *get_signature_scheme(private_key_t *private,
hash_algorithm_t digest, bool pss);