From 4c09066ca62130c3a80365b1f94ade6c32b5d13b Mon Sep 17 00:00:00 2001 From: PW Hu Date: Thu, 7 Oct 2021 11:50:59 +0800 Subject: Fix unsafe BIO_get_md_ctx check Reviewed-by: Matt Caswell Reviewed-by: Tomas Mraz (Merged from https://github.com/openssl/openssl/pull/16768) (cherry picked from commit 59a3e7b29574ff45f62e825f6e9923f45060f142) --- apps/dgst.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'apps/dgst.c') diff --git a/apps/dgst.c b/apps/dgst.c index 36a8c6fb08..bd23b76996 100644 --- a/apps/dgst.c +++ b/apps/dgst.c @@ -335,7 +335,7 @@ int dgst_main(int argc, char **argv) EVP_PKEY_CTX *pctx = NULL; int res; - if (!BIO_get_md_ctx(bmd, &mctx)) { + if (BIO_get_md_ctx(bmd, &mctx) <= 0) { BIO_printf(bio_err, "Error getting context\n"); goto end; } @@ -362,7 +362,7 @@ int dgst_main(int argc, char **argv) /* we use md as a filter, reading from 'in' */ else { EVP_MD_CTX *mctx = NULL; - if (!BIO_get_md_ctx(bmd, &mctx)) { + if (BIO_get_md_ctx(bmd, &mctx) <= 0) { BIO_printf(bio_err, "Error getting context\n"); goto end; } -- cgit v1.2.3