mirror of
https://github.com/openssl/openssl.git
synced 2024-12-21 06:09:35 +08:00
35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
|
/*
|
||
|
|
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
||
|
|
* this file except in compliance with the License. You can obtain a copy
|
||
|
|
* in the file LICENSE in the source distribution or at
|
||
|
|
* https://www.openssl.org/source/license.html
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "include/crypto/chacha.h"
|
||
|
|
#include "prov/ciphercommon.h"
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
PROV_CIPHER_CTX base; /* must be first */
|
||
|
|
union {
|
||
|
|
OSSL_UNION_ALIGN;
|
||
|
|
unsigned int d[CHACHA_KEY_SIZE / 4];
|
||
|
|
} key;
|
||
|
|
unsigned int counter[CHACHA_CTR_SIZE / 4];
|
||
|
|
unsigned char buf[CHACHA_BLK_SIZE];
|
||
|
|
unsigned int partial_len;
|
||
|
|
} PROV_CHACHA20_CTX;
|
||
|
|
|
||
|
|
typedef struct prov_cipher_hw_chacha20_st {
|
||
|
|
PROV_CIPHER_HW base; /* must be first */
|
||
|
|
int (*initiv)(PROV_CIPHER_CTX *ctx);
|
||
|
|
|
||
|
|
} PROV_CIPHER_HW_CHACHA20;
|
||
|
|
|
||
|
|
const PROV_CIPHER_HW *PROV_CIPHER_HW_chacha20(size_t keybits);
|
||
|
|
|
||
|
|
OSSL_OP_cipher_encrypt_init_fn chacha20_einit;
|
||
|
|
OSSL_OP_cipher_decrypt_init_fn chacha20_dinit;
|
||
|
|
void chacha20_initctx(PROV_CHACHA20_CTX *ctx);
|