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https://github.com/bitlair/bitlair_doorduino.git
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69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
#ifndef SHA1_H
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#define SHA1_H
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#include <stdint.h>
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#include <stddef.h>
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#define __LITTLE_ENDIAN__
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//#define __BIG_ENDIAN__
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namespace sha1
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{
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/* This code is public-domain - it is based on libcrypt
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* placed in the public domain by Wei Dai and other contributors.
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*/
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// gcc -Wall -DSHA1TEST -o sha1test sha1.c && ./sha1test
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#ifdef __BIG_ENDIAN__
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# define SHA_BIG_ENDIAN
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#elif defined __LITTLE_ENDIAN__
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/* override */
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#elif defined __BYTE_ORDER
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# if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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# define SHA_BIG_ENDIAN
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# endif
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#else // ! defined __LITTLE_ENDIAN__
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# include <machine/endian.h> // machine/endian.h
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# if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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# define SHA_BIG_ENDIAN
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# endif
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#endif
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/* header */
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#define HASH_LENGTH 20
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#define BLOCK_LENGTH 64
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typedef struct sha1nfo {
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uint32_t buffer[BLOCK_LENGTH/4];
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uint32_t state[HASH_LENGTH/4];
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uint32_t byteCount;
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uint8_t bufferOffset;
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uint8_t keyBuffer[BLOCK_LENGTH];
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uint8_t innerHash[HASH_LENGTH];
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} sha1nfo;
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/* public API - prototypes - TODO: doxygen*/
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/**
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*/
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void sha1_init(sha1nfo *s);
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/**
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*/
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void sha1_writebyte(sha1nfo *s, uint8_t data);
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/**
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*/
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void sha1_write(sha1nfo *s, const char *data, size_t len);
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/**
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*/
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uint8_t* sha1_result(sha1nfo *s);
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/**
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*/
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void sha1_initHmac(sha1nfo *s, const uint8_t* key, int keyLength);
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/**
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*/
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uint8_t* sha1_resultHmac(sha1nfo *s);
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}
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#endif //SHA1_H
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