From ec37a89bf3287d6833b58ba1b365d3364990effd Mon Sep 17 00:00:00 2001 From: Arto Kinnunen Date: Thu, 28 Nov 2019 13:40:32 +0200 Subject: [PATCH] Save ROM by using int instead of char Save 20 bytes of ROM by changing variable type from char to int. --- library/hmac_drbg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/hmac_drbg.c b/library/hmac_drbg.c index 2b79ee541..82703b0a3 100644 --- a/library/hmac_drbg.c +++ b/library/hmac_drbg.c @@ -78,7 +78,7 @@ int mbedtls_hmac_drbg_update_ret( mbedtls_hmac_drbg_context *ctx, mbedtls_md_get_handle( &ctx->md_ctx ) ); unsigned char rounds = ( additional != NULL && add_len != 0 ) ? 2 : 1; unsigned char sep[1]; - volatile unsigned char flow_counter = 0; + volatile unsigned int flow_counter = 0; unsigned char K[MBEDTLS_MD_MAX_SIZE]; int ret = MBEDTLS_ERR_PLATFORM_FAULT_DETECTED;