projects / thirdparty / openssl.git / blame
| Commit | Line | Data |
|---|---|---|
| 5ccee69b | 1 | /* |
| da1c088f | 2 | * Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved. |
| 5ccee69b HZZ |
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 | * RISC-V 32 ZKND ZKNE support for AES modes ecb, cbc, ofb, cfb, ctr. | |
| 12 | * This file is included by cipher_aes_hw.c | |
| 13 | */ | |
| 14 | ||
| 15 | #define cipher_hw_rv32i_zknd_zkne_cbc ossl_cipher_hw_generic_cbc | |
| 16 | #define cipher_hw_rv32i_zknd_zkne_ecb ossl_cipher_hw_generic_ecb | |
| 17 | #define cipher_hw_rv32i_zknd_zkne_ofb128 ossl_cipher_hw_generic_ofb128 | |
| 18 | #define cipher_hw_rv32i_zknd_zkne_cfb128 ossl_cipher_hw_generic_cfb128 | |
| 19 | #define cipher_hw_rv32i_zknd_zkne_cfb8 ossl_cipher_hw_generic_cfb8 | |
| 20 | #define cipher_hw_rv32i_zknd_zkne_cfb1 ossl_cipher_hw_generic_cfb1 | |
| 21 | #define cipher_hw_rv32i_zknd_zkne_ctr ossl_cipher_hw_generic_ctr | |
| 22 | ||
| 23 | #define cipher_hw_rv32i_zbkb_zknd_zkne_cbc ossl_cipher_hw_generic_cbc | |
| 24 | #define cipher_hw_rv32i_zbkb_zknd_zkne_ecb ossl_cipher_hw_generic_ecb | |
| 25 | #define cipher_hw_rv32i_zbkb_zknd_zkne_ofb128 ossl_cipher_hw_generic_ofb128 | |
| 26 | #define cipher_hw_rv32i_zbkb_zknd_zkne_cfb128 ossl_cipher_hw_generic_cfb128 | |
| 27 | #define cipher_hw_rv32i_zbkb_zknd_zkne_cfb8 ossl_cipher_hw_generic_cfb8 | |
| 28 | #define cipher_hw_rv32i_zbkb_zknd_zkne_cfb1 ossl_cipher_hw_generic_cfb1 | |
| 29 | #define cipher_hw_rv32i_zbkb_zknd_zkne_ctr ossl_cipher_hw_generic_ctr | |
| 30 | ||
| 31 | static int cipher_hw_rv32i_zknd_zkne_initkey(PROV_CIPHER_CTX *dat, | |
| 32 | const unsigned char *key, size_t keylen) | |
| 33 | { | |
| 34 | int ret; | |
| 35 | PROV_AES_CTX *adat = (PROV_AES_CTX *)dat; | |
| 36 | AES_KEY *ks = &adat->ks.ks; | |
| 37 | ||
| 38 | dat->ks = ks; | |
| 39 | ||
| 40 | if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE) | |
| 41 | && !dat->enc) { | |
| 42 | ret = rv32i_zknd_zkne_set_decrypt_key(key, keylen * 8, ks); | |
| 43 | dat->block = (block128_f) rv32i_zknd_decrypt; | |
| 44 | dat->stream.cbc = NULL; | |
| 45 | } else { | |
| 46 | ret = rv32i_zkne_set_encrypt_key(key, keylen * 8, ks); | |
| 47 | dat->block = (block128_f) rv32i_zkne_encrypt; | |
| 48 | dat->stream.cbc = NULL; | |
| 49 | } | |
| 50 | ||
| 51 | if (ret < 0) { | |
| 52 | ERR_raise(ERR_LIB_PROV, PROV_R_KEY_SETUP_FAILED); | |
| 53 | return 0; | |
| 54 | } | |
| 55 | ||
| 56 | return 1; | |
| 57 | } | |
| 58 | ||
| 59 | static int cipher_hw_rv32i_zbkb_zknd_zkne_initkey(PROV_CIPHER_CTX *dat, | |
| 60 | const unsigned char *key, size_t keylen) | |
| 61 | { | |
| 62 | int ret; | |
| 63 | PROV_AES_CTX *adat = (PROV_AES_CTX *)dat; | |
| 64 | AES_KEY *ks = &adat->ks.ks; | |
| 65 | ||
| 66 | dat->ks = ks; | |
| 67 | ||
| 68 | if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE) | |
| 69 | && !dat->enc) { | |
| 70 | ret = rv32i_zbkb_zknd_zkne_set_decrypt_key(key, keylen * 8, ks); | |
| 71 | dat->block = (block128_f) rv32i_zknd_decrypt; | |
| 72 | dat->stream.cbc = NULL; | |
| 73 | } else { | |
| 74 | ret = rv32i_zbkb_zkne_set_encrypt_key(key, keylen * 8, ks); | |
| 75 | dat->block = (block128_f) rv32i_zkne_encrypt; | |
| 76 | dat->stream.cbc = NULL; | |
| 77 | } | |
| 78 | ||
| 79 | if (ret < 0) { | |
| 80 | ERR_raise(ERR_LIB_PROV, PROV_R_KEY_SETUP_FAILED); | |
| 81 | return 0; | |
| 82 | } | |
| 83 | ||
| 84 | return 1; | |
| 85 | } | |
| 86 | ||
| 87 | #define PROV_CIPHER_HW_declare(mode) \ | |
| 88 | static const PROV_CIPHER_HW rv32i_zknd_zkne_##mode = { \ | |
| 89 | cipher_hw_rv32i_zknd_zkne_initkey, \ | |
| 90 | cipher_hw_rv32i_zknd_zkne_##mode, \ | |
| 91 | cipher_hw_aes_copyctx \ | |
| 92 | }; \ | |
| 93 | static const PROV_CIPHER_HW rv32i_zbkb_zknd_zkne_##mode = { \ | |
| 94 | cipher_hw_rv32i_zbkb_zknd_zkne_initkey, \ | |
| 95 | cipher_hw_rv32i_zbkb_zknd_zkne_##mode, \ | |
| 96 | cipher_hw_aes_copyctx \ | |
| 97 | }; | |
| 98 | #define PROV_CIPHER_HW_select(mode) \ | |
| 86c69fe8 | 99 | if (RISCV_HAS_ZBKB_AND_ZKND_AND_ZKNE()) \ |
| 5ccee69b | 100 | return &rv32i_zbkb_zknd_zkne_##mode; \ |
| 86c69fe8 | 101 | if (RISCV_HAS_ZKND_AND_ZKNE()) \ |
| 5ccee69b | 102 | return &rv32i_zknd_zkne_##mode; |