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 <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7168)
This commit is contained in:
Matt Caswell 2018-09-10 16:03:14 +01:00
parent 6ccfc8fa31
commit 52307f94f8

View file

@ -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;