| 1 | /*
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| 2 | * Copyright 2001-2021 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | /*
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| 11 | * Camellia low level APIs are deprecated for public use, but still ok for
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| 12 | * internal use.
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| 13 | */
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| 14 | #include "internal/deprecated.h"
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| 15 |
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| 16 | #include <openssl/camellia.h>
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| 17 | #include <openssl/proverr.h>
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| 18 | #include "cipher_camellia.h"
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| 19 |
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| 20 | static int cipher_hw_camellia_initkey(PROV_CIPHER_CTX *dat,
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| 21 | const unsigned char *key, size_t keylen)
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| 22 | {
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| 23 | int ret, mode = dat->mode;
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| 24 | PROV_CAMELLIA_CTX *adat = (PROV_CAMELLIA_CTX *)dat;
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| 25 | CAMELLIA_KEY *ks = &adat->ks.ks;
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| 26 |
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| 27 | dat->ks = ks;
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| 28 | ret = Camellia_set_key(key, keylen * 8, ks);
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| 29 | if (ret < 0) {
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| 30 | ERR_raise(ERR_LIB_PROV, PROV_R_KEY_SETUP_FAILED);
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| 31 | return 0;
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| 32 | }
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| 33 | if (dat->enc || (mode != EVP_CIPH_ECB_MODE && mode != EVP_CIPH_CBC_MODE)) {
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| 34 | dat->block = (block128_f) Camellia_encrypt;
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| 35 | dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
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| 36 | (cbc128_f) Camellia_cbc_encrypt : NULL;
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| 37 | } else {
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| 38 | dat->block = (block128_f) Camellia_decrypt;
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| 39 | dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
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| 40 | (cbc128_f) Camellia_cbc_encrypt : NULL;
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| 41 | }
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| 42 | return 1;
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| 43 | }
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| 44 |
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| 45 | IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_camellia_copyctx, PROV_CAMELLIA_CTX)
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| 46 |
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| 47 | # if defined(SPARC_CMLL_CAPABLE)
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| 48 | # include "cipher_camellia_hw_t4.inc"
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| 49 | # else
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| 50 | /* The generic case */
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| 51 | # define PROV_CIPHER_HW_declare(mode)
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| 52 | # define PROV_CIPHER_HW_select(mode)
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| 53 | # endif /* SPARC_CMLL_CAPABLE */
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| 54 |
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| 55 | #define PROV_CIPHER_HW_camellia_mode(mode) \
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| 56 | static const PROV_CIPHER_HW camellia_##mode = { \
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| 57 | cipher_hw_camellia_initkey, \
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| 58 | ossl_cipher_hw_generic_##mode, \
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| 59 | cipher_hw_camellia_copyctx \
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| 60 | }; \
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| 61 | PROV_CIPHER_HW_declare(mode) \
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| 62 | const PROV_CIPHER_HW *ossl_prov_cipher_hw_camellia_##mode(size_t keybits) \
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| 63 | { \
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| 64 | PROV_CIPHER_HW_select(mode) \
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| 65 | return &camellia_##mode; \
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| 66 | }
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| 67 |
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| 68 | PROV_CIPHER_HW_camellia_mode(cbc)
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| 69 | PROV_CIPHER_HW_camellia_mode(ecb)
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| 70 | PROV_CIPHER_HW_camellia_mode(ofb128)
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| 71 | PROV_CIPHER_HW_camellia_mode(cfb128)
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| 72 | PROV_CIPHER_HW_camellia_mode(cfb1)
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| 73 | PROV_CIPHER_HW_camellia_mode(cfb8)
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| 74 | PROV_CIPHER_HW_camellia_mode(ctr)
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