/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
#include <stdio.h>
#include "internal/cryptlib.h"
+#include "internal/provider.h"
#include <openssl/rand.h>
#include <openssl/rsa.h>
#include <openssl/evp.h>
EVP_PKEY **pubk, int npubk)
{
unsigned char key[EVP_MAX_KEY_LENGTH];
- int i;
+ const OSSL_PROVIDER *prov;
+ OSSL_LIB_CTX *libctx = NULL;
+ EVP_PKEY_CTX *pctx = NULL;
+ const EVP_CIPHER *cipher;
+ int i, len;
+ int rv = 0;
- if (type) {
+ if (type != NULL) {
EVP_CIPHER_CTX_reset(ctx);
if (!EVP_EncryptInit_ex(ctx, type, NULL, NULL, NULL))
return 0;
}
+ if ((cipher = EVP_CIPHER_CTX_get0_cipher(ctx)) != NULL
+ && (prov = EVP_CIPHER_get0_provider(cipher)) != NULL)
+ libctx = ossl_provider_libctx(prov);
if ((npubk <= 0) || !pubk)
return 1;
+
if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
return 0;
- if (EVP_CIPHER_CTX_iv_length(ctx)
- && RAND_bytes(iv, EVP_CIPHER_CTX_iv_length(ctx)) <= 0)
- return 0;
+
+ len = EVP_CIPHER_CTX_get_iv_length(ctx);
+ if (len < 0 || RAND_priv_bytes_ex(libctx, iv, len, 0) <= 0)
+ goto err;
+
+ len = EVP_CIPHER_CTX_get_key_length(ctx);
+ if (len < 0)
+ goto err;
if (!EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv))
- return 0;
+ goto err;
for (i = 0; i < npubk; i++) {
- ekl[i] =
- EVP_PKEY_encrypt_old(ek[i], key, EVP_CIPHER_CTX_key_length(ctx),
- pubk[i]);
- if (ekl[i] <= 0)
- return -1;
+ size_t keylen = len;
+
+ pctx = EVP_PKEY_CTX_new_from_pkey(libctx, pubk[i], NULL);
+ if (pctx == NULL) {
+ ERR_raise(ERR_LIB_EVP, ERR_R_EVP_LIB);
+ goto err;
+ }
+
+ if (EVP_PKEY_encrypt_init(pctx) <= 0
+ || EVP_PKEY_encrypt(pctx, ek[i], &keylen, key, keylen) <= 0)
+ goto err;
+ ekl[i] = (int)keylen;
+ EVP_PKEY_CTX_free(pctx);
}
- return npubk;
+ pctx = NULL;
+ rv = npubk;
+err:
+ EVP_PKEY_CTX_free(pctx);
+ OPENSSL_cleanse(key, sizeof(key));
+ return rv;
}
int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)