From 52307f94f8f3e5a1cd392f0a48802a24ccf73ba2 Mon Sep 17 00:00:00 2001 From: Matt Caswell Date: Mon, 10 Sep 2018 16:03:14 +0100 Subject: [PATCH] Don't cast an int * to a size_t * If sizeof(int) != sizeof(size_t) this may not work correctly. Fixes a Coverity issue. Reviewed-by: Richard Levitte (Merged from https://github.com/openssl/openssl/pull/7168) --- apps/speed.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/apps/speed.c b/apps/speed.c index c859c862dc..a4879179e4 100644 --- a/apps/speed.c +++ b/apps/speed.c @@ -600,6 +600,7 @@ typedef struct loopargs_st { unsigned char *buf2_malloc; unsigned char *key; unsigned int siglen; + size_t sigsize; #ifndef OPENSSL_NO_RSA RSA *rsa_key[RSA_NUM]; #endif @@ -1185,11 +1186,11 @@ static int EdDSA_sign_loop(void *args) unsigned char *buf = tempargs->buf; EVP_MD_CTX **edctx = tempargs->eddsa_ctx; unsigned char *eddsasig = tempargs->buf2; - unsigned int *eddsasiglen = &tempargs->siglen; + size_t *eddsasigsize = &tempargs->sigsize; int ret, count; for (count = 0; COND(eddsa_c[testnum][0]); count++) { - ret = EVP_DigestSign(edctx[testnum], eddsasig, (size_t *)eddsasiglen, buf, 20); + ret = EVP_DigestSign(edctx[testnum], eddsasig, eddsasigsize, buf, 20); if (ret == 0) { BIO_printf(bio_err, "EdDSA sign failure\n"); ERR_print_errors(bio_err); @@ -1206,11 +1207,11 @@ static int EdDSA_verify_loop(void *args) unsigned char *buf = tempargs->buf; EVP_MD_CTX **edctx = tempargs->eddsa_ctx; unsigned char *eddsasig = tempargs->buf2; - unsigned int eddsasiglen = tempargs->siglen; + size_t eddsasigsize = tempargs->sigsize; int ret, count; for (count = 0; COND(eddsa_c[testnum][1]); count++) { - ret = EVP_DigestVerify(edctx[testnum], eddsasig, eddsasiglen, buf, 20); + ret = EVP_DigestVerify(edctx[testnum], eddsasig, eddsasigsize, buf, 20); if (ret != 1) { BIO_printf(bio_err, "EdDSA verify failure\n"); ERR_print_errors(bio_err); @@ -1525,7 +1526,7 @@ int speed_main(int argc, char **argv) const char *name; unsigned int nid; unsigned int bits; - unsigned int siglen; + size_t sigsize; } test_ed_curves[] = { /* EdDSA */ {"Ed25519", NID_ED25519, 253, 64}, @@ -3101,9 +3102,9 @@ int speed_main(int argc, char **argv) } else { for (i = 0; i < loopargs_len; i++) { /* Perform EdDSA signature test */ - loopargs[i].siglen = test_ed_curves[testnum].siglen; + loopargs[i].sigsize = test_ed_curves[testnum].sigsize; st = EVP_DigestSign(loopargs[i].eddsa_ctx[testnum], - loopargs[i].buf2, (size_t *)&loopargs[i].siglen, + loopargs[i].buf2, &loopargs[i].sigsize, loopargs[i].buf, 20); if (st == 0) break; @@ -3133,7 +3134,7 @@ int speed_main(int argc, char **argv) /* Perform EdDSA verification test */ for (i = 0; i < loopargs_len; i++) { st = EVP_DigestVerify(loopargs[i].eddsa_ctx[testnum], - loopargs[i].buf2, loopargs[i].siglen, + loopargs[i].buf2, loopargs[i].sigsize, loopargs[i].buf, 20); if (st != 1) break; -- 2.25.1