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-rw-r--r--crypto/cms/cms_sd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/cms/cms_sd.c b/crypto/cms/cms_sd.c
index 591bfbec33b2..cdac3b870dd9 100644
--- a/crypto/cms/cms_sd.c
+++ b/crypto/cms/cms_sd.c
@@ -830,7 +830,7 @@ int CMS_SignerInfo_verify(CMS_SignerInfo *si)
cms_fixup_mctx(&mctx, si->pkey);
r = EVP_VerifyFinal(&mctx,
si->signature->data, si->signature->length, si->pkey);
- if (!r)
+ if (r <= 0)
CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_VERIFICATION_FAILURE);
err:
EVP_MD_CTX_cleanup(&mctx);