1 /*
2 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 /*
11 * IDEA low level APIs are deprecated for public use, but still ok for internal
12 * use where we're using them to implement the higher level EVP interface, as is
13 * the case here.
14 */
15 #include "internal/deprecated.h"
16
17 /* Dispatch functions for Idea cipher modes ecb, cbc, ofb, cfb */
18
19 #include "cipher_idea.h"
20 #include "prov/implementations.h"
21 #include "prov/providercommon.h"
22
23 static OSSL_FUNC_cipher_freectx_fn idea_freectx;
24 static OSSL_FUNC_cipher_dupctx_fn idea_dupctx;
25
idea_freectx(void * vctx)26 static void idea_freectx(void *vctx)
27 {
28 PROV_IDEA_CTX *ctx = (PROV_IDEA_CTX *)vctx;
29
30 ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
31 OPENSSL_clear_free(ctx, sizeof(*ctx));
32 }
33
idea_dupctx(void * ctx)34 static void *idea_dupctx(void *ctx)
35 {
36 PROV_IDEA_CTX *in = (PROV_IDEA_CTX *)ctx;
37 PROV_IDEA_CTX *ret;
38
39 if (!ossl_prov_is_running())
40 return NULL;
41
42 ret = OPENSSL_malloc(sizeof(*ret));
43 if (ret == NULL) {
44 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
45 return NULL;
46 }
47 *ret = *in;
48
49 return ret;
50 }
51
52 /* ossl_idea128ecb_functions */
53 IMPLEMENT_generic_cipher(idea, IDEA, ecb, ECB, 0, 128, 64, 0, block)
54 /* ossl_idea128cbc_functions */
55 IMPLEMENT_generic_cipher(idea, IDEA, cbc, CBC, 0, 128, 64, 64, block)
56 /* ossl_idea128ofb64_functions */
57 IMPLEMENT_generic_cipher(idea, IDEA, ofb64, OFB, 0, 128, 8, 64, stream)
58 /* ossl_idea128cfb64_functions */
59 IMPLEMENT_generic_cipher(idea, IDEA, cfb64, CFB, 0, 128, 8, 64, stream)
60
