X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fhash.h;h=f4019a979189c62c86e65ade97337fcc634d293b;hb=b4ee6daad7a2604ca9466b2ba48de86cc27d381f;hp=dc21678045e8df71eb30fbb01d72a28c8c92e17e;hpb=a26acb7dc946b2fe7fa25736928878f6adf88f46;p=platform%2Fkernel%2Fu-boot.git diff --git a/include/hash.h b/include/hash.h index dc21678..f4019a9 100644 --- a/include/hash.h +++ b/include/hash.h @@ -1,14 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (c) 2012 The Chromium OS Authors. - * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _HASH_H #define _HASH_H -#if defined(CONFIG_SHA1SUM_VERIFY) || defined(CONFIG_CRC32_VERIFY) -#define CONFIG_HASH_VERIFY -#endif +/* + * Maximum digest size for all algorithms we support. Having this value + * avoids a malloc() or C99 local declaration in common/cmd_hash.c. + */ +#define HASH_MAX_DIGEST_SIZE 32 + +enum { + HASH_FLAG_VERIFY = 1 << 0, /* Enable verify mode */ + HASH_FLAG_ENV = 1 << 1, /* Allow env vars */ +}; struct hash_algo { const char *name; /* Name of algorithm */ @@ -65,17 +72,7 @@ struct hash_algo { int size); }; -/* - * Maximum digest size for all algorithms we support. Having this value - * avoids a malloc() or C99 local declaration in common/cmd_hash.c. - */ -#define HASH_MAX_DIGEST_SIZE 32 - -enum { - HASH_FLAG_VERIFY = 1 << 0, /* Enable verify mode */ - HASH_FLAG_ENV = 1 << 1, /* Allow env vars */ -}; - +#ifndef USE_HOSTCC /** * hash_command: Process a hash command for a particular algorithm * @@ -113,6 +110,8 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag, int hash_block(const char *algo_name, const void *data, unsigned int len, uint8_t *output, int *output_size); +#endif /* !USE_HOSTCC */ + /** * hash_lookup_algo() - Look up the hash_algo struct for an algorithm * @@ -125,4 +124,33 @@ int hash_block(const char *algo_name, const void *data, unsigned int len, * @return 0 if ok, -EPROTONOSUPPORT for an unknown algorithm. */ int hash_lookup_algo(const char *algo_name, struct hash_algo **algop); + +/** + * hash_progressive_lookup_algo() - Look up hash_algo for prog. hash support + * + * The function returns the pointer to the struct or -EPROTONOSUPPORT if the + * algorithm is not available with progressive hash support. + * + * @algo_name: Hash algorithm to look up + * @algop: Pointer to the hash_algo struct if found + * + * @return 0 if ok, -EPROTONOSUPPORT for an unknown algorithm. + */ +int hash_progressive_lookup_algo(const char *algo_name, + struct hash_algo **algop); + +/** + * hash_parse_string() - Parse hash string into a binary array + * + * The function parses a hash string into a binary array that + * can for example easily be used to compare to hash values. + * + * @algo_name: Hash algorithm to look up + * @str: Hash string to get parsed + * @result: Binary array of the parsed hash string + * + * @return 0 if ok, -EPROTONOSUPPORT for an unknown algorithm. + */ +int hash_parse_string(const char *algo_name, const char *str, uint8_t *result); + #endif