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https://github.com/CovidBraceletPrj/CovidBracelet.git
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59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
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* Copyright (c) 2001-2019, Arm Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef MBEDTLS_CHACHA20_ALT_H
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#define MBEDTLS_CHACHA20_ALT_H
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#if defined(MBEDTLS_CONFIG_FILE)
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/************************ Defines ******************************/
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/*! The size of the ChaCha user-context in words. */
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#define MBEDTLS_CHACHA_USER_CTX_SIZE_IN_WORDS 41
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/*! The size of the ChaCha block in Bytes. */
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#define MBEDTLS_CHACHA_BLOCK_SIZE_BYTES 64
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/*! The size of the ChaCha block in Bytes. As defined in rfc7539 */
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#define MBEDTLS_CHACHA_NONCE_SIZE_BYTES 12
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/*! The size of the ChaCha key in Bytes. */
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#define MBEDTLS_CHACHA_KEY_SIZE_BYTES 32
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/*! Internal type to identify 12 byte nonce */
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#define MBEDTLS_CHACHA_NONCE_SIZE_12BYTE_TYPE 1
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/*! The definition of the 12-Byte array of the nonce buffer. */
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typedef uint8_t mbedtls_chacha_nonce[MBEDTLS_CHACHA_NONCE_SIZE_BYTES];
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/*! The definition of the key buffer of the ChaCha engine. */
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typedef uint8_t mbedtls_chacha_key[MBEDTLS_CHACHA_KEY_SIZE_BYTES];
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#if defined(MBEDTLS_CHACHA20_ALT)
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typedef struct
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{
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uint32_t buf[MBEDTLS_CHACHA_USER_CTX_SIZE_IN_WORDS];
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}
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mbedtls_chacha20_context;
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* MBEDTLS_CHACHA20_ALT_H */
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