2 * Copyright 2019 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_numbers.h>
12 #include "crypto/des_platform.h"
14 #define DES_BLOCK_SIZE 8
17 /* TODO(3.0) Figure out what flags need to be here */
18 #define TDES_FLAGS (EVP_CIPH_RAND_KEY)
20 typedef struct prov_tdes_ctx_st {
21 PROV_CIPHER_CTX base; /* Must be first */
24 DES_key_schedule ks[3];
27 void (*cbc) (const void *, void *, size_t,
28 const DES_key_schedule *, unsigned char *);
33 #define IMPLEMENT_tdes_cipher(type, UCTYPE, lcmode, UCMODE, flags, \
34 kbits, blkbits, ivbits, block) \
35 static OSSL_OP_cipher_newctx_fn tdes_##type##_##lcmode##_newctx; \
36 static void *tdes_##type##_##lcmode##_newctx(void *provctx) \
38 return tdes_newctx(provctx, EVP_CIPH_##UCMODE##_MODE, kbits, blkbits, \
39 ivbits, flags, PROV_CIPHER_HW_tdes_##type##_##lcmode());\
41 static OSSL_OP_cipher_get_params_fn tdes_##type##_##lcmode##_get_params; \
42 static int tdes_##type##_##lcmode##_get_params(OSSL_PARAM params[]) \
44 return cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, flags, \
45 kbits, blkbits, ivbits); \
47 const OSSL_DISPATCH tdes_##type##_##lcmode##_functions[] = { \
48 { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))tdes_einit }, \
49 { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))tdes_dinit }, \
50 { OSSL_FUNC_CIPHER_UPDATE, \
51 (void (*)(void))cipher_generic_##block##_update }, \
52 { OSSL_FUNC_CIPHER_FINAL, (void (*)(void))cipher_generic_##block##_final },\
53 { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))cipher_generic_cipher }, \
54 { OSSL_FUNC_CIPHER_NEWCTX, \
55 (void (*)(void))tdes_##type##_##lcmode##_newctx }, \
56 { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))tdes_freectx }, \
57 { OSSL_FUNC_CIPHER_GET_PARAMS, \
58 (void (*)(void))tdes_##type##_##lcmode##_get_params }, \
59 { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
60 (void (*)(void))cipher_generic_gettable_params }, \
61 { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, (void (*)(void))tdes_get_ctx_params }, \
62 { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
63 (void (*)(void))tdes_gettable_ctx_params }, \
64 { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
65 (void (*)(void))cipher_generic_set_ctx_params }, \
66 { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
67 (void (*)(void))cipher_generic_settable_ctx_params }, \
71 void *tdes_newctx(void *provctx, int mode, size_t kbits, size_t blkbits,
72 size_t ivbits, uint64_t flags, const PROV_CIPHER_HW *hw);
73 OSSL_OP_cipher_freectx_fn tdes_freectx;
74 OSSL_OP_cipher_encrypt_init_fn tdes_einit;
75 OSSL_OP_cipher_decrypt_init_fn tdes_dinit;
76 OSSL_OP_cipher_get_ctx_params_fn tdes_get_ctx_params;
77 OSSL_OP_cipher_gettable_ctx_params_fn tdes_gettable_ctx_params;
79 #define PROV_CIPHER_HW_tdes_mode(type, mode) \
80 static const PROV_CIPHER_HW type##_##mode = { \
81 cipher_hw_tdes_##type##_initkey, \
82 cipher_hw_tdes_##mode \
84 const PROV_CIPHER_HW *PROV_CIPHER_HW_tdes_##type##_##mode(void) \
86 return &type##_##mode; \
89 int cipher_hw_tdes_ede3_initkey(PROV_CIPHER_CTX *ctx, const unsigned char *key,
91 int cipher_hw_tdes_cbc(PROV_CIPHER_CTX *ctx, unsigned char *out,
92 const unsigned char *in, size_t inl);
93 int cipher_hw_tdes_ecb(PROV_CIPHER_CTX *ctx, unsigned char *out,
94 const unsigned char *in, size_t len);
96 const PROV_CIPHER_HW *PROV_CIPHER_HW_tdes_ede3_cbc(void);
97 const PROV_CIPHER_HW *PROV_CIPHER_HW_tdes_ede3_ecb(void);