EVP_PKEY_CTX utility functions.

[oweals/openssl.git] / crypto / cms / cms_enc.c

diff --git a/crypto/cms/cms_enc.c b/crypto/cms/cms_enc.c
index fc66f60060a949fecf07b62f5bffe837b4a87024..23adc2ffdabdeaaf91502545e8fe1d9f21dd9196 100644 (file)
--- a/crypto/cms/cms_enc.c
+++ b/crypto/cms/cms_enc.c
@@ -1,4 +1,3 @@
-/* crypto/cms/cms_enc.c */
 /*
  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project.
@@ -82,7 +81,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
     enc = ec->cipher ? 1 : 0;
 
     b = BIO_new(BIO_f_cipher());
-    if (!b) {
+    if (b == NULL) {
         CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
         return NULL;
     }
@@ -130,7 +129,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
     /* Generate random session key */
     if (!enc || !ec->key) {
         tkey = OPENSSL_malloc(tkeylen);
-        if (!tkey) {
+        if (tkey == NULL) {
             CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
             goto err;
         }
@@ -179,7 +178,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
 
     if (piv) {
         calg->parameter = ASN1_TYPE_new();
-        if (!calg->parameter) {
+        if (calg->parameter == NULL) {
             CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
             goto err;
         }
@@ -210,7 +209,7 @@ int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
     ec->cipher = cipher;
     if (key) {
         ec->key = OPENSSL_malloc(keylen);
-        if (!ec->key)
+        if (ec->key == NULL)
             return 0;
         memcpy(ec->key, key, keylen);
     }