Check return values of EVP_* API

CID 345158

diff --git a/regress/lib/libcrypto/sha1/sha1test.c b/regress/lib/libcrypto/sha1/sha1test.c
index f1cf09d..168b422 100644 (file)
--- a/regress/lib/libcrypto/sha1/sha1test.c
+++ b/regress/lib/libcrypto/sha1/sha1test.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: sha1test.c,v 1.5 2021/12/29 22:53:04 tb Exp $ */
+/*     $OpenBSD: sha1test.c,v 1.6 2021/12/29 22:54:41 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -95,7 +95,11 @@ main(int argc, char *argv[])
        R = ret;
        i = 1;
        while (*P != NULL) {
-               EVP_Digest(*P, strlen((char *)*P), md, NULL, EVP_sha1(), NULL);
+               if (!EVP_Digest(*P, strlen((char *)*P), md, NULL, EVP_sha1(),
+                   NULL)) {
+                       printf("EVP_Digest failed\n");
+                       goto err;
+               }
                p = pt(md);
                if (strcmp(p, (char *)*R) != 0) {
                        printf("error calculating SHA1 on '%s'\n", *P);
@@ -109,10 +113,20 @@ main(int argc, char *argv[])
        }
 
        memset(buf, 'a', 1000);
-       EVP_DigestInit_ex(c, EVP_sha1(), NULL);
-       for (i = 0; i < 1000; i++)
-               EVP_DigestUpdate(c, buf, 1000);
-       EVP_DigestFinal_ex(c, md, NULL);
+       if (!EVP_DigestInit_ex(c, EVP_sha1(), NULL)) {
+               printf("EVP_DigestInit_ex failed\n");
+               goto err;
+       }
+       for (i = 0; i < 1000; i++) {
+               if (!EVP_DigestUpdate(c, buf, 1000)) {
+                       printf("EVP_DigestUpdate failed\n");
+                       goto err;
+               }
+       }
+       if (!EVP_DigestFinal_ex(c, md, NULL)) {
+               printf("EVP_DigestFinal_ex failed\n");
+               goto err;
+       }
        p = pt(md);
 
        r = bigret;
@@ -125,6 +139,10 @@ main(int argc, char *argv[])
 
        EVP_MD_CTX_free(c);
        exit(err);
+
+ err:
+       EVP_MD_CTX_free(c);
+       exit(1);
 }
 
 static char *