From fbf7f121f95be250d90690813f85924aa4dfe780 Mon Sep 17 00:00:00 2001
From: "Adrian L. Shaw" <adrianlshaw@gmail.com>
Date: Thu, 15 Aug 2019 13:34:51 +0100
Subject: [PATCH] Separate return codes for unsupported and invalid algorithms

---
 include/psa/crypto.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index c5f2971e3..35fe5e33b 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -956,7 +956,9 @@ static psa_hash_operation_t psa_hash_operation_init(void);
  * \retval #PSA_SUCCESS
  *         Success.
  * \retval #PSA_ERROR_NOT_SUPPORTED
- *         \p alg is not supported or is not a hash algorithm.
+ *         \p alg is not a supported hash algorithm.
+ * \retval #PSA_ERROR_INVALID_ARGUMENT
+ *         \p alg is not a hash algorithm.
  * \retval #PSA_ERROR_BAD_STATE
  *         The operation state is not valid (already set up and not
  *         subsequently completed).