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https://github.com/CovidBraceletPrj/CovidBracelet.git
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60 lines
1.5 KiB
C
60 lines
1.5 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_POLY1305_ALT_H
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#define MBEDTLS_POLY1305_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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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#if defined(MBEDTLS_POLY1305_ALT)
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/************************ defines ****************************/
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/*! The size of the POLY key in words. */
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#define MBEDTLS_POLY_KEY_SIZE_WORDS 8
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/*! The size of the POLY key in bytes. */
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#define MBEDTLS_POLY_KEY_SIZE_BYTES 32
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/*! The size of the POLY MAC in words. */
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#define MBEDTLS_POLY_MAC_SIZE_WORDS 4
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/*! The size of the POLY MAC in bytes. */
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#define MBEDTLS_POLY_MAC_SIZE_BYTES 16
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/************************ Typedefs ****************************/
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/*! The definition of the ChaCha-MAC buffer. */
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typedef uint32_t mbedtls_poly_mac[MBEDTLS_POLY_MAC_SIZE_WORDS];
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/*! The definition of the ChaCha-key buffer. */
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typedef uint32_t mbedtls_poly_key[MBEDTLS_POLY_KEY_SIZE_WORDS];
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typedef struct mbedtls_poly1305_context
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{
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uint32_t r[4]; /** The value for 'r' (low 128 bits of the key). */
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uint32_t s[4]; /** The value for 's' (high 128 bits of the key). */
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uint32_t acc[5]; /** The accumulator number. */
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uint8_t queue[16]; /** The current partial block of data. */
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size_t queue_len; /** The number of bytes stored in 'queue'. */
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}
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mbedtls_poly1305_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_POLY1305_ALT_H */
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