1 /* 2 * Copyright 2001-2021 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 * Camellia low level APIs are deprecated for public use, but still ok for 12 * internal use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include <openssl/camellia.h> 17 #include <openssl/proverr.h> 18 #include "cipher_camellia.h" 19 20 static int cipher_hw_camellia_initkey(PROV_CIPHER_CTX *dat, 21 const unsigned char *key, size_t keylen) 22 { 23 int ret, mode = dat->mode; 24 PROV_CAMELLIA_CTX *adat = (PROV_CAMELLIA_CTX *)dat; 25 CAMELLIA_KEY *ks = &adat->ks.ks; 26 27 dat->ks = ks; 28 ret = Camellia_set_key(key, keylen * 8, ks); 29 if (ret < 0) { 30 ERR_raise(ERR_LIB_PROV, PROV_R_KEY_SETUP_FAILED); 31 return 0; 32 } 33 if (dat->enc || (mode != EVP_CIPH_ECB_MODE && mode != EVP_CIPH_CBC_MODE)) { 34 dat->block = (block128_f) Camellia_encrypt; 35 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ? 36 (cbc128_f) Camellia_cbc_encrypt : NULL; 37 } else { 38 dat->block = (block128_f) Camellia_decrypt; 39 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ? 40 (cbc128_f) Camellia_cbc_encrypt : NULL; 41 } 42 return 1; 43 } 44 45 IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_camellia_copyctx, PROV_CAMELLIA_CTX) 46 47 # if defined(SPARC_CMLL_CAPABLE) 48 # include "cipher_camellia_hw_t4.inc" 49 # else 50 /* The generic case */ 51 # define PROV_CIPHER_HW_declare(mode) 52 # define PROV_CIPHER_HW_select(mode) 53 # endif /* SPARC_CMLL_CAPABLE */ 54 55 #define PROV_CIPHER_HW_camellia_mode(mode) \ 56 static const PROV_CIPHER_HW camellia_##mode = { \ 57 cipher_hw_camellia_initkey, \ 58 ossl_cipher_hw_generic_##mode, \ 59 cipher_hw_camellia_copyctx \ 60 }; \ 61 PROV_CIPHER_HW_declare(mode) \ 62 const PROV_CIPHER_HW *ossl_prov_cipher_hw_camellia_##mode(size_t keybits) \ 63 { \ 64 PROV_CIPHER_HW_select(mode) \ 65 return &camellia_##mode; \ 66 } 67 68 PROV_CIPHER_HW_camellia_mode(cbc) 69 PROV_CIPHER_HW_camellia_mode(ecb) 70 PROV_CIPHER_HW_camellia_mode(ofb128) 71 PROV_CIPHER_HW_camellia_mode(cfb128) 72 PROV_CIPHER_HW_camellia_mode(cfb1) 73 PROV_CIPHER_HW_camellia_mode(cfb8) 74 PROV_CIPHER_HW_camellia_mode(ctr) 75