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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | /* SPDX-License-Identifier: LGPL-2.1 */ /** * \file sha1.h * based from http://xyssl.org/code/source/sha1/ * FIPS-180-1 compliant SHA-1 implementation * * Copyright (C) 2003-2006 Christophe Devine */ /* * The SHA-1 standard was published by NIST in 1993. * * http://www.itl.nist.gov/fipspubs/fip180-1.htm */ #ifndef _SHA1_H #define _SHA1_H #include <linux/kconfig.h> #include <linux/types.h> #if CONFIG_IS_ENABLED(MBEDTLS_LIB_CRYPTO) #include "mbedtls_options.h" #include <mbedtls/sha1.h> #endif #ifdef __cplusplus extern "C" { #endif #define SHA1_SUM_POS -0x20 #define SHA1_SUM_LEN 20 #define SHA1_DER_LEN 15 #define SHA1_DEF_CHUNK_SZ 0x10000 #define K_IPAD_VAL 0x36 #define K_OPAD_VAL 0x5C #define K_PAD_LEN 64 extern const uint8_t sha1_der_prefix[]; #if CONFIG_IS_ENABLED(MBEDTLS_LIB_CRYPTO) typedef mbedtls_sha1_context sha1_context; #else /** * \brief SHA-1 context structure */ typedef struct { unsigned long total[2]; /*!< number of bytes processed */ uint32_t state[5]; /*!< intermediate digest state */ unsigned char buffer[64]; /*!< data block being processed */ } sha1_context; #endif /** * \brief SHA-1 context setup * * \param ctx SHA-1 context to be initialized */ void sha1_starts(sha1_context *ctx); /** * \brief SHA-1 process buffer * * \param ctx SHA-1 context * \param input buffer holding the data * \param ilen length of the input data */ void sha1_update(sha1_context *ctx, const unsigned char *input, unsigned int ilen); /** * \brief SHA-1 final digest * * \param ctx SHA-1 context * \param output SHA-1 checksum result */ void sha1_finish( sha1_context *ctx, unsigned char output[20] ); /** * \brief Output = SHA-1( input buffer ), with watchdog triggering * * \param input buffer holding the data * \param ilen length of the input data * \param output SHA-1 checksum result * \param chunk_sz watchdog triggering period (in bytes of input processed) */ void sha1_csum_wd(const unsigned char *input, unsigned int ilen, unsigned char *output, unsigned int chunk_sz); /** * \brief Output = HMAC-SHA-1( input buffer, hmac key ) * * \param key HMAC secret key * \param keylen length of the HMAC key * \param input buffer holding the data * \param ilen length of the input data * \param output HMAC-SHA-1 result */ void sha1_hmac(const unsigned char *key, int keylen, const unsigned char *input, unsigned int ilen, unsigned char *output); /** * \brief Checkup routine * * \return 0 if successful, or 1 if the test failed */ int sha1_self_test( void ); #ifdef __cplusplus } #endif #endif /* sha1.h */ |