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https://github.com/openssl/openssl.git
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8020d79b40
Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14512)
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
/*
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* Copyright 2001-2021 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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* Fujitsu SPARC64 X support for AES GCM.
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* This file is included by cipher_aes_gcm_hw.c
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*/
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static int t4_aes_gcm_initkey(PROV_GCM_CTX *ctx, const unsigned char *key,
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size_t keylen)
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{
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ctr128_f ctr;
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PROV_AES_GCM_CTX *actx = (PROV_AES_GCM_CTX *)ctx;
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AES_KEY *ks = &actx->ks.ks;
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switch (keylen) {
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case 16:
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ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
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break;
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case 24:
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ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
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break;
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case 32:
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ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
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break;
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default:
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return 0;
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}
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GCM_HW_SET_KEY_CTR_FN(ks, aes_t4_set_encrypt_key, aes_t4_encrypt, ctr);
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return 1;
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}
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static const PROV_GCM_HW t4_aes_gcm = {
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t4_aes_gcm_initkey,
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ossl_gcm_setiv,
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ossl_gcm_aad_update,
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generic_aes_gcm_cipher_update,
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ossl_gcm_cipher_final,
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ossl_gcm_one_shot
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};
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const PROV_GCM_HW *ossl_prov_aes_hw_gcm(size_t keybits)
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{
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return SPARC_AES_CAPABLE ? &t4_aes_gcm : &aes_gcm;
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}
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