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https://github.com/openssl/openssl.git
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61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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* Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved.
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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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* RISC-V 32 ZKND ZKNE support for AES CCM.
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* This file is included by cipher_aes_ccm_hw.c
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*/
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static int ccm_rv32i_zknd_zkne_initkey(PROV_CCM_CTX *ctx, const unsigned char *key,
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size_t keylen)
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{
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PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
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AES_HW_CCM_SET_KEY_FN(rv32i_zkne_set_encrypt_key, rv32i_zkne_encrypt,
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NULL, NULL);
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return 1;
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}
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static int ccm_rv32i_zbkb_zknd_zkne_initkey(PROV_CCM_CTX *ctx, const unsigned char *key,
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size_t keylen)
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{
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PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
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AES_HW_CCM_SET_KEY_FN(rv32i_zbkb_zkne_set_encrypt_key, rv32i_zkne_encrypt,
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NULL, NULL);
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return 1;
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}
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static const PROV_CCM_HW rv32i_zknd_zkne_ccm = {
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ccm_rv32i_zknd_zkne_initkey,
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ossl_ccm_generic_setiv,
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ossl_ccm_generic_setaad,
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ossl_ccm_generic_auth_encrypt,
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ossl_ccm_generic_auth_decrypt,
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ossl_ccm_generic_gettag
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};
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static const PROV_CCM_HW rv32i_zbkb_zknd_zkne_ccm = {
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ccm_rv32i_zbkb_zknd_zkne_initkey,
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ossl_ccm_generic_setiv,
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ossl_ccm_generic_setaad,
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ossl_ccm_generic_auth_encrypt,
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ossl_ccm_generic_auth_decrypt,
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ossl_ccm_generic_gettag
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};
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const PROV_CCM_HW *ossl_prov_aes_hw_ccm(size_t keybits)
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{
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if (RISCV_HAS_ZBKB_AND_ZKND_AND_ZKNE())
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return &rv32i_zbkb_zknd_zkne_ccm;
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if (RISCV_HAS_ZKND_AND_ZKNE())
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return &rv32i_zknd_zkne_ccm;
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return &aes_ccm;
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}
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