2 * Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
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
10 #include <openssl/des.h>
11 #include <openssl/core_dispatch.h>
12 #include "crypto/des_platform.h"
14 #define DES_BLOCK_SIZE 8
16 #define TDES_FLAGS PROV_CIPHER_FLAG_RAND_KEY
18 typedef struct prov_tdes_ctx_st
{
19 PROV_CIPHER_CTX base
; /* Must be first */
22 DES_key_schedule ks
[3];
25 void (*cbc
) (const void *, void *, size_t,
26 const DES_key_schedule
*, unsigned char *);
31 #define IMPLEMENT_tdes_cipher(type, UCTYPE, lcmode, UCMODE, flags, \
32 kbits, blkbits, ivbits, block) \
33 static OSSL_FUNC_cipher_newctx_fn tdes_##type##_##lcmode##_newctx; \
34 static void *tdes_##type##_##lcmode##_newctx(void *provctx) \
36 return ossl_tdes_newctx(provctx, EVP_CIPH_##UCMODE##_MODE, kbits, blkbits, \
38 ossl_prov_cipher_hw_tdes_##type##_##lcmode()); \
40 static OSSL_FUNC_cipher_get_params_fn tdes_##type##_##lcmode##_get_params; \
41 static int tdes_##type##_##lcmode##_get_params(OSSL_PARAM params[]) \
43 return ossl_cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, \
44 flags, kbits, blkbits, ivbits); \
46 const OSSL_DISPATCH ossl_tdes_##type##_##lcmode##_functions[] = { \
47 { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))ossl_tdes_einit }, \
48 { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_tdes_dinit }, \
49 { OSSL_FUNC_CIPHER_UPDATE, \
50 (void (*)(void))ossl_cipher_generic_##block##_update }, \
51 { OSSL_FUNC_CIPHER_FINAL, \
52 (void (*)(void))ossl_cipher_generic_##block##_final }, \
53 { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))ossl_cipher_generic_cipher }, \
54 { OSSL_FUNC_CIPHER_NEWCTX, \
55 (void (*)(void))tdes_##type##_##lcmode##_newctx }, \
56 { OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))ossl_tdes_dupctx }, \
57 { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))ossl_tdes_freectx }, \
58 { OSSL_FUNC_CIPHER_GET_PARAMS, \
59 (void (*)(void))tdes_##type##_##lcmode##_get_params }, \
60 { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
61 (void (*)(void))ossl_cipher_generic_gettable_params }, \
62 { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \
63 (void (*)(void))ossl_tdes_get_ctx_params }, \
64 { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
65 (void (*)(void))ossl_tdes_gettable_ctx_params }, \
66 { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
67 (void (*)(void))ossl_cipher_generic_set_ctx_params }, \
68 { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
69 (void (*)(void))ossl_cipher_generic_settable_ctx_params }, \
73 void *ossl_tdes_newctx(void *provctx
, int mode
, size_t kbits
, size_t blkbits
,
74 size_t ivbits
, uint64_t flags
, const PROV_CIPHER_HW
*hw
);
75 OSSL_FUNC_cipher_dupctx_fn ossl_tdes_dupctx
;
76 OSSL_FUNC_cipher_freectx_fn ossl_tdes_freectx
;
77 OSSL_FUNC_cipher_encrypt_init_fn ossl_tdes_einit
;
78 OSSL_FUNC_cipher_decrypt_init_fn ossl_tdes_dinit
;
79 OSSL_FUNC_cipher_get_ctx_params_fn ossl_tdes_get_ctx_params
;
80 OSSL_FUNC_cipher_gettable_ctx_params_fn ossl_tdes_gettable_ctx_params
;
82 #define PROV_CIPHER_HW_tdes_mode(type, mode) \
83 static const PROV_CIPHER_HW type##_##mode = { \
84 ossl_cipher_hw_tdes_##type##_initkey, \
85 ossl_cipher_hw_tdes_##mode, \
86 ossl_cipher_hw_tdes_copyctx \
88 const PROV_CIPHER_HW *ossl_prov_cipher_hw_tdes_##type##_##mode(void) \
90 return &type##_##mode; \
93 int ossl_cipher_hw_tdes_ede3_initkey(PROV_CIPHER_CTX
*ctx
,
94 const unsigned char *key
, size_t keylen
);
95 void ossl_cipher_hw_tdes_copyctx(PROV_CIPHER_CTX
*dst
,
96 const PROV_CIPHER_CTX
*src
);
97 int ossl_cipher_hw_tdes_cbc(PROV_CIPHER_CTX
*ctx
, unsigned char *out
,
98 const unsigned char *in
, size_t inl
);
99 int ossl_cipher_hw_tdes_ecb(PROV_CIPHER_CTX
*ctx
, unsigned char *out
,
100 const unsigned char *in
, size_t len
);
102 const PROV_CIPHER_HW
*ossl_prov_cipher_hw_tdes_ede3_cbc(void);
103 const PROV_CIPHER_HW
*ossl_prov_cipher_hw_tdes_ede3_ecb(void);