1 /* 2 * Copyright 2019-2024 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 #include <openssl/des.h> 11 #include <openssl/core_dispatch.h> 12 #include "prov/securitycheck.h" 13 #include "crypto/des_platform.h" 14 15 #define DES_BLOCK_SIZE 8 16 #define TDES_IVLEN 8 17 #define TDES_FLAGS PROV_CIPHER_FLAG_RAND_KEY 18 19 typedef struct prov_tdes_ctx_st { 20 PROV_CIPHER_CTX base; /* Must be first */ 21 union { 22 OSSL_UNION_ALIGN; 23 DES_key_schedule ks[3]; 24 } tks; 25 union { 26 void (*cbc) (const void *, void *, size_t, 27 const DES_key_schedule *, unsigned char *); 28 } tstream; 29 OSSL_FIPS_IND_DECLARE 30 31 } PROV_TDES_CTX; 32 33 #define IMPLEMENT_tdes_cipher(type, UCTYPE, lcmode, UCMODE, flags, \ 34 kbits, blkbits, ivbits, block) \ 35 static OSSL_FUNC_cipher_newctx_fn tdes_##type##_##lcmode##_newctx; \ 36 static void *tdes_##type##_##lcmode##_newctx(void *provctx) \ 37 { \ 38 return ossl_tdes_newctx(provctx, EVP_CIPH_##UCMODE##_MODE, kbits, blkbits, \ 39 ivbits, flags, \ 40 ossl_prov_cipher_hw_tdes_##type##_##lcmode()); \ 41 } \ 42 static OSSL_FUNC_cipher_get_params_fn tdes_##type##_##lcmode##_get_params; \ 43 static int tdes_##type##_##lcmode##_get_params(OSSL_PARAM params[]) \ 44 { \ 45 return ossl_tdes_get_params(params, EVP_CIPH_##UCMODE##_MODE, \ 46 flags, kbits, blkbits, ivbits); \ 47 } \ 48 const OSSL_DISPATCH ossl_tdes_##type##_##lcmode##_functions[] = { \ 49 { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))ossl_tdes_einit }, \ 50 { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_tdes_dinit }, \ 51 { OSSL_FUNC_CIPHER_UPDATE, \ 52 (void (*)(void))ossl_cipher_generic_##block##_update }, \ 53 { OSSL_FUNC_CIPHER_FINAL, \ 54 (void (*)(void))ossl_cipher_generic_##block##_final }, \ 55 { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))ossl_cipher_generic_cipher }, \ 56 { OSSL_FUNC_CIPHER_NEWCTX, \ 57 (void (*)(void))tdes_##type##_##lcmode##_newctx }, \ 58 { OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))ossl_tdes_dupctx }, \ 59 { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))ossl_tdes_freectx }, \ 60 { OSSL_FUNC_CIPHER_GET_PARAMS, \ 61 (void (*)(void))tdes_##type##_##lcmode##_get_params }, \ 62 { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \ 63 (void (*)(void))ossl_cipher_generic_gettable_params }, \ 64 { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \ 65 (void (*)(void))ossl_tdes_get_ctx_params }, \ 66 { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \ 67 (void (*)(void))ossl_tdes_gettable_ctx_params }, \ 68 { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \ 69 (void (*)(void))ossl_tdes_set_ctx_params }, \ 70 { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \ 71 (void (*)(void))ossl_tdes_settable_ctx_params }, \ 72 OSSL_DISPATCH_END \ 73 } 74 75 void *ossl_tdes_newctx(void *provctx, int mode, size_t kbits, size_t blkbits, 76 size_t ivbits, uint64_t flags, const PROV_CIPHER_HW *hw); 77 int ossl_tdes_get_params(OSSL_PARAM params[], unsigned int md, uint64_t flags, 78 size_t kbits, size_t blkbits, size_t ivbits); 79 80 OSSL_FUNC_cipher_dupctx_fn ossl_tdes_dupctx; 81 OSSL_FUNC_cipher_freectx_fn ossl_tdes_freectx; 82 OSSL_FUNC_cipher_encrypt_init_fn ossl_tdes_einit; 83 OSSL_FUNC_cipher_decrypt_init_fn ossl_tdes_dinit; 84 OSSL_FUNC_cipher_get_ctx_params_fn ossl_tdes_get_ctx_params; 85 OSSL_FUNC_cipher_gettable_ctx_params_fn ossl_tdes_gettable_ctx_params; 86 OSSL_FUNC_cipher_set_ctx_params_fn ossl_tdes_set_ctx_params; 87 OSSL_FUNC_cipher_settable_ctx_params_fn ossl_tdes_settable_ctx_params; 88 89 #define PROV_CIPHER_HW_tdes_mode(type, mode) \ 90 static const PROV_CIPHER_HW type##_##mode = { \ 91 ossl_cipher_hw_tdes_##type##_initkey, \ 92 ossl_cipher_hw_tdes_##mode, \ 93 ossl_cipher_hw_tdes_copyctx \ 94 }; \ 95 const PROV_CIPHER_HW *ossl_prov_cipher_hw_tdes_##type##_##mode(void) \ 96 { \ 97 return &type##_##mode; \ 98 } 99 100 int ossl_cipher_hw_tdes_ede3_initkey(PROV_CIPHER_CTX *ctx, 101 const unsigned char *key, size_t keylen); 102 void ossl_cipher_hw_tdes_copyctx(PROV_CIPHER_CTX *dst, 103 const PROV_CIPHER_CTX *src); 104 int ossl_cipher_hw_tdes_cbc(PROV_CIPHER_CTX *ctx, unsigned char *out, 105 const unsigned char *in, size_t inl); 106 int ossl_cipher_hw_tdes_ecb(PROV_CIPHER_CTX *ctx, unsigned char *out, 107 const unsigned char *in, size_t len); 108 109 const PROV_CIPHER_HW *ossl_prov_cipher_hw_tdes_ede3_cbc(void); 110 const PROV_CIPHER_HW *ossl_prov_cipher_hw_tdes_ede3_ecb(void); 111
