2019-08-22 09:42:54 +08:00
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/*
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2020-11-05 21:37:26 +08:00
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* Copyright 2001-2020 The OpenSSL Project Authors. All Rights Reserved.
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2019-08-22 09:42:54 +08:00
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*-
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* Fujitsu SPARC64 X support for camellia modes.
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* This file is included by cipher_camellia_hw.c
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*/
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static int cipher_hw_camellia_t4_initkey(PROV_CIPHER_CTX *dat,
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const unsigned char *key,
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size_t keylen)
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{
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int ret = 0, bits, mode = dat->mode;
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PROV_CAMELLIA_CTX *adat = (PROV_CAMELLIA_CTX *)dat;
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CAMELLIA_KEY *ks = &adat->ks.ks;
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dat->ks = ks;
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bits = keylen * 8;
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cmll_t4_set_key(key, bits, ks);
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if (dat->enc || (mode != EVP_CIPH_ECB_MODE && mode != EVP_CIPH_CBC_MODE)) {
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dat->block = (block128_f) cmll_t4_encrypt;
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switch (bits) {
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case 128:
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if (mode == EVP_CIPH_CBC_MODE)
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dat->stream.cbc = (cbc128_f) cmll128_t4_cbc_encrypt;
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else if (mode == EVP_CIPH_CTR_MODE)
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dat->stream.ctr = (ctr128_f) cmll128_t4_ctr32_encrypt;
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else
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dat->stream.cbc = NULL;
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break;
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case 192:
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case 256:
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if (mode == EVP_CIPH_CBC_MODE)
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dat->stream.cbc = (cbc128_f) cmll256_t4_cbc_encrypt;
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else if (mode == EVP_CIPH_CTR_MODE)
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dat->stream.ctr = (ctr128_f) cmll256_t4_ctr32_encrypt;
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else
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dat->stream.cbc = NULL;
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break;
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default:
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ret = -1;
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break;
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}
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} else {
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dat->block = (block128_f) cmll_t4_decrypt;
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switch (bits) {
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case 128:
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dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
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(cbc128_f) cmll128_t4_cbc_decrypt : NULL;
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break;
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case 192:
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case 256:
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dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
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(cbc128_f) cmll256_t4_cbc_decrypt : NULL;
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break;
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default:
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ret = -1;
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break;
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}
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}
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if (ret < 0) {
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2021-02-06 01:51:37 +08:00
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ERR_raise(ERR_LIB_PROV, PROV_R_KEY_SETUP_FAILED);
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2019-08-22 09:42:54 +08:00
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return 0;
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}
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return 1;
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}
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#define PROV_CIPHER_HW_declare(mode) \
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static const PROV_CIPHER_HW t4_camellia_##mode = { \
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cipher_hw_camellia_t4_initkey, \
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2020-10-22 09:07:58 +08:00
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ossl_cipher_hw_generic_##mode, \
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2019-11-18 11:13:05 +08:00
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cipher_hw_camellia_copyctx \
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2019-08-22 09:42:54 +08:00
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};
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#define PROV_CIPHER_HW_select(mode) \
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if (SPARC_CMLL_CAPABLE) \
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return &t4_camellia_##mode;
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