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fbd2ece171
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com> (Merged from https://github.com/openssl/openssl/pull/12273)
35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
/*
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* Copyright 2019-2020 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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#include "include/crypto/chacha.h"
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#include "prov/ciphercommon.h"
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typedef struct {
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PROV_CIPHER_CTX base; /* must be first */
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union {
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OSSL_UNION_ALIGN;
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unsigned int d[CHACHA_KEY_SIZE / 4];
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} key;
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unsigned int counter[CHACHA_CTR_SIZE / 4];
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unsigned char buf[CHACHA_BLK_SIZE];
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unsigned int partial_len;
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} PROV_CHACHA20_CTX;
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typedef struct prov_cipher_hw_chacha20_st {
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PROV_CIPHER_HW base; /* must be first */
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int (*initiv)(PROV_CIPHER_CTX *ctx);
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} PROV_CIPHER_HW_CHACHA20;
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const PROV_CIPHER_HW *PROV_CIPHER_HW_chacha20(size_t keybits);
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OSSL_FUNC_cipher_encrypt_init_fn chacha20_einit;
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OSSL_FUNC_cipher_decrypt_init_fn chacha20_dinit;
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void chacha20_initctx(PROV_CHACHA20_CTX *ctx);
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