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Diffstat (limited to 'librhash/algorithms.h')
| -rw-r--r-- | librhash/algorithms.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/librhash/algorithms.h b/librhash/algorithms.h new file mode 100644 index 0000000..4db2517 --- /dev/null +++ b/librhash/algorithms.h @@ -0,0 +1,120 @@ +/* algorithms.h - rhash library algorithms */ +#ifndef RHASH_ALGORITHMS_H +#define RHASH_ALGORITHMS_H + +#include <stddef.h> /* for ptrdiff_t */ +#include "rhash.h" +#include "byte_order.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef RHASH_API +/* modifier for RHash library functions */ +# define RHASH_API +#endif + +typedef void (*pinit_t)(void*); +typedef void (*pupdate_t)(void *ctx, const void* msg, size_t size); +typedef void (*pfinal_t)(void*, unsigned char*); +typedef void (*pcleanup_t)(void*); + +/** + * Information about a hash function + */ +typedef struct rhash_hash_info +{ + rhash_info *info; + size_t context_size; + ptrdiff_t digest_diff; + pinit_t init; + pupdate_t update; + pfinal_t final; + pcleanup_t cleanup; +} rhash_hash_info; + +/** + * Information on a hash function and its context + */ +typedef struct rhash_vector_item +{ + struct rhash_hash_info* hash_info; + void *context; +} rhash_vector_item; + +/** + * The rhash context containing contexts for several hash functions + */ +typedef struct rhash_context_ext +{ + struct rhash_context rc; + unsigned hash_vector_size; /* number of contained hash sums */ + unsigned flags; + unsigned state; + void *callback, *callback_data; + void *bt_ctx; + rhash_vector_item vector[1]; /* contexts of contained hash sums */ +} rhash_context_ext; + +extern rhash_hash_info rhash_hash_info_default[RHASH_HASH_COUNT]; +extern rhash_hash_info* rhash_info_table; +extern int rhash_info_size; +extern unsigned rhash_uninitialized_algorithms; + +extern rhash_info info_crc32; +extern rhash_info info_md4; +extern rhash_info info_md5; +extern rhash_info info_sha1; +extern rhash_info info_tiger; +extern rhash_info info_tth ; +extern rhash_info info_btih; +extern rhash_info info_ed2k; +extern rhash_info info_aich; +extern rhash_info info_whirlpool; +extern rhash_info info_rmd160; +extern rhash_info info_gost; +extern rhash_info info_gostpro; +extern rhash_info info_has160; +extern rhash_info info_snf128; +extern rhash_info info_snf256; +extern rhash_info info_sha224; +extern rhash_info info_sha256; +extern rhash_info info_sha384; +extern rhash_info info_sha512; +extern rhash_info info_sha3_224; +extern rhash_info info_sha3_256; +extern rhash_info info_sha3_384; +extern rhash_info info_sha3_512; +extern rhash_info info_edr256; +extern rhash_info info_edr512; + +/* rhash_info flags */ +#define F_BS32 1 /* default output in base32 */ +#define F_SWAP32 2 /* Big endian flag */ +#define F_SWAP64 4 + +/* define endianness flags */ +#ifndef CPU_BIG_ENDIAN +#define F_LE32 0 +#define F_LE64 0 +#define F_BE32 F_SWAP32 +#define F_BE64 F_SWAP64 +#else +#define F_LE32 F_SWAP32 +#define F_LE64 F_SWAP64 +#define F_BE32 0 +#define F_BE64 0 +#endif + +void rhash_init_algorithms(unsigned mask); + +#if defined(OPENSSL_RUNTIME) && !defined(USE_OPENSSL) +# define USE_OPENSSL +#endif + +#ifdef __cplusplus +} /* extern "C" */ +#endif /* __cplusplus */ + +#endif /* RHASH_ALGORITHMS_H */ |