/*
- * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
int ret;
tmpbuf = OPENSSL_malloc(inl);
- if (tmpbuf == NULL)
+
+ /* OPENSSL_malloc will return NULL if inl == 0 */
+ if (tmpbuf == NULL && inl > 0)
return -1;
/* Remember what we were asked to encrypt */
- memcpy(tmpbuf, in, inl);
+ if (tmpbuf != NULL)
+ memcpy(tmpbuf, in, inl);
/* Go through the motions of encrypting it */
ret = EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_cbc())(ctx, out, in, inl);
/* Throw it all away and just use the plaintext as the output */
- memcpy(out, tmpbuf, inl);
+ if (tmpbuf != NULL)
+ memcpy(out, tmpbuf, inl);
OPENSSL_free(tmpbuf);
return ret;
return -1;
/* Remember what we were asked to encrypt */
- memcpy(tmpbuf, in, inl);
+ if (tmpbuf != NULL)
+ memcpy(tmpbuf, in, inl);
/* Go through the motions of encrypting it */
EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_gcm())(ctx, out, in, inl);
/* Throw it all away and just use the plaintext as the output */
- memcpy(out, tmpbuf, inl);
+ if (tmpbuf != NULL && out != NULL)
+ memcpy(out, tmpbuf, inl);
OPENSSL_free(tmpbuf);
return inl;