remove additional zero byte when writing pub der

Remove `- 1` for setting location of output buffer, which added a leading zero which cause failure in ASN1 parsing. Fixes Mbed-TLS#1257
RonEld · Jan 7, 2018 · bb51cb3 · bb51cb3
1 parent ec9c626
commit bb51cb3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/programs/pkey/key_app_writer.c b/programs/pkey/key_app_writer.c
@@ -128,7 +128,7 @@ static int write_public_key( mbedtls_pk_context *key, const char *output_file )
             return( ret );
 
         len = ret;
-        c = output_buf + sizeof(output_buf) - len - 1;
+        c = output_buf + sizeof(output_buf) - len;
     }
 
     if( ( f = fopen( output_file, "w" ) ) == NULL )