commit d03f483dbe0b4ac13d77ad26362772082fad80d1
author Dave Rodgman <dave.rodgman@arm.com> Fri Sep 22 09:52:15 2023 +0100
committer Dave Rodgman <dave.rodgman@arm.com> Fri Sep 22 10:01:47 2023 +0100
tree 72f8e1eeae967d978425ef602e90247d1bee4209
parent fbe74a9e51d82f8d81e715cd4a681ef7f7376ce6

Use mbedtls_ct_error_if

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>

library/nist_kw.c

diff --git a/library/nist_kw.c b/library/nist_kw.c
index d5b2e27..7bdc807 100644
--- a/library/nist_kw.c
+++ b/library/nist_kw.c
@@ -421,8 +421,8 @@
          * larger than 8, because of the type wrap around.
          */
         padlen = in_len - KW_SEMIBLOCK_LENGTH - Plen;
-        ret = -(int) mbedtls_ct_uint_if(mbedtls_ct_uint_gt(padlen, 7),
-                                        -MBEDTLS_ERR_CIPHER_AUTH_FAILED, -ret);
+        ret = mbedtls_ct_error_if(mbedtls_ct_uint_gt(padlen, 7),
+                                  MBEDTLS_ERR_CIPHER_AUTH_FAILED, ret);
         padlen &= 7;
 
         /* Check padding in "constant-time" */