1*e7be843bSPierre Pronchery/* 2*e7be843bSPierre Pronchery * Copyright 2023 The OpenSSL Project Authors. All Rights Reserved. 3*e7be843bSPierre Pronchery * 4*e7be843bSPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use 5*e7be843bSPierre Pronchery * this file except in compliance with the License. You can obtain a copy 6*e7be843bSPierre Pronchery * in the file LICENSE in the source distribution or at 7*e7be843bSPierre Pronchery * https://www.openssl.org/source/license.html 8*e7be843bSPierre Pronchery */ 9*e7be843bSPierre Pronchery 10*e7be843bSPierre Pronchery/*- 11*e7be843bSPierre Pronchery * RV64 ZVKSED support for AES modes ecb, cbc, ofb, cfb, ctr. 12*e7be843bSPierre Pronchery * This file is included by cipher_sm4_hw.c 13*e7be843bSPierre Pronchery */ 14*e7be843bSPierre Pronchery 15*e7be843bSPierre Pronchery#define cipher_hw_rv64i_zvksed_sm4_cbc ossl_cipher_hw_generic_cbc 16*e7be843bSPierre Pronchery#define cipher_hw_rv64i_zvksed_sm4_ecb ossl_cipher_hw_generic_ecb 17*e7be843bSPierre Pronchery#define cipher_hw_rv64i_zvksed_sm4_ofb128 ossl_cipher_hw_generic_ofb128 18*e7be843bSPierre Pronchery#define cipher_hw_rv64i_zvksed_sm4_cfb128 ossl_cipher_hw_generic_cfb128 19*e7be843bSPierre Pronchery#define cipher_hw_rv64i_zvksed_sm4_ctr ossl_cipher_hw_generic_ctr 20*e7be843bSPierre Pronchery 21*e7be843bSPierre Proncherystatic int cipher_hw_rv64i_zvksed_sm4_initkey(PROV_CIPHER_CTX *ctx, 22*e7be843bSPierre Pronchery const unsigned char *key, 23*e7be843bSPierre Pronchery size_t keylen) 24*e7be843bSPierre Pronchery{ 25*e7be843bSPierre Pronchery PROV_SM4_CTX *sctx = (PROV_SM4_CTX *)ctx; 26*e7be843bSPierre Pronchery SM4_KEY *ks = &sctx->ks.ks; 27*e7be843bSPierre Pronchery 28*e7be843bSPierre Pronchery ctx->ks = ks; 29*e7be843bSPierre Pronchery if (ctx->enc 30*e7be843bSPierre Pronchery || (ctx->mode != EVP_CIPH_ECB_MODE 31*e7be843bSPierre Pronchery && ctx->mode != EVP_CIPH_CBC_MODE)) { 32*e7be843bSPierre Pronchery rv64i_zvksed_sm4_set_encrypt_key(key, ks); 33*e7be843bSPierre Pronchery ctx->block = (block128_f) rv64i_zvksed_sm4_encrypt; 34*e7be843bSPierre Pronchery ctx->stream.cbc = NULL; 35*e7be843bSPierre Pronchery } else { 36*e7be843bSPierre Pronchery rv64i_zvksed_sm4_set_decrypt_key(key, ks); 37*e7be843bSPierre Pronchery ctx->block = (block128_f) rv64i_zvksed_sm4_decrypt; 38*e7be843bSPierre Pronchery ctx->stream.cbc = NULL; 39*e7be843bSPierre Pronchery } 40*e7be843bSPierre Pronchery 41*e7be843bSPierre Pronchery return 1; 42*e7be843bSPierre Pronchery} 43*e7be843bSPierre Pronchery 44*e7be843bSPierre Pronchery#define PROV_CIPHER_HW_declare(mode) \ 45*e7be843bSPierre Proncherystatic const PROV_CIPHER_HW rv64i_zvksed_sm4_##mode = { \ 46*e7be843bSPierre Pronchery cipher_hw_rv64i_zvksed_sm4_initkey, \ 47*e7be843bSPierre Pronchery cipher_hw_rv64i_zvksed_sm4_##mode, \ 48*e7be843bSPierre Pronchery cipher_hw_sm4_copyctx \ 49*e7be843bSPierre Pronchery}; 50*e7be843bSPierre Pronchery#define PROV_CIPHER_HW_select(mode) \ 51*e7be843bSPierre Proncheryif (RISCV_HAS_ZVKB_AND_ZVKSED() && riscv_vlen() >= 128) \ 52*e7be843bSPierre Pronchery return &rv64i_zvksed_sm4_##mode; 53