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3645eb0be2
c8ddeb7e64/doc/vector/riscv-crypto-vector-zvkb.adoc
Create `RISCV_HAS_ZVKB()` macro.
Use zvkb for SM4 instead of zvbb.
Use zvkb for ghash instead of zvbb.
We could just use the zvbb's subset `zvkb` for flexibility.
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21923)
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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* Copyright 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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* RV64I ZVKSED support for SM4 CCM.
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* This file is included by cipher_sm4_ccm_hw.c
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*/
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static int rv64i_zvksed_sm4_ccm_initkey(PROV_CCM_CTX *ctx,
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const unsigned char *key,
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size_t keylen)
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{
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PROV_SM4_CCM_CTX *actx = (PROV_SM4_CCM_CTX *)ctx;
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SM4_HW_CCM_SET_KEY_FN(rv64i_zvksed_sm4_set_encrypt_key,
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rv64i_zvksed_sm4_encrypt, NULL, NULL);
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return 1;
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}
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static const PROV_CCM_HW rv64i_zvksed_sm4_ccm = {
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rv64i_zvksed_sm4_ccm_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_sm4_hw_ccm(size_t keybits)
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{
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if (RISCV_HAS_ZVKB_AND_ZVKSED() && riscv_vlen() >= 128)
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return &rv64i_zvksed_sm4_ccm;
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else
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return &ccm_sm4;
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}
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