/*
- * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* https://www.openssl.org/source/license.html
*/
+/*
+ * AES low level APIs are deprecated for public use, but still ok for internal
+ * use where we're using them to implement the higher level EVP interface, as is
+ * the case here.
+ */
+#include "internal/deprecated.h"
+
/* Dispatch functions for AES GCM mode */
#include "cipher_aes_gcm.h"
#include "prov/implementations.h"
+#include "prov/providercommon.h"
+
+#define AES_GCM_IV_MIN_SIZE (64 / 8) /* size in bytes */
+/* Note: GCM_IV_MAX_SIZE is listed in ciphercommon_gcm.h */
static void *aes_gcm_newctx(void *provctx, size_t keybits)
{
- PROV_AES_GCM_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
+ PROV_AES_GCM_CTX *ctx;
+
+ if (!ossl_prov_is_running())
+ return NULL;
+ ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx != NULL)
- gcm_initctx(provctx, &ctx->base, keybits, PROV_AES_HW_gcm(keybits), 8);
+ gcm_initctx(provctx, &ctx->base, keybits, PROV_AES_HW_gcm(keybits),
+ AES_GCM_IV_MIN_SIZE);
return ctx;
}
-static OSSL_OP_cipher_freectx_fn aes_gcm_freectx;
+static OSSL_FUNC_cipher_freectx_fn aes_gcm_freectx;
static void aes_gcm_freectx(void *vctx)
{
PROV_AES_GCM_CTX *ctx = (PROV_AES_GCM_CTX *)vctx;