X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fsha1.h;h=3f500b23b43b01e82fbeb7a1732e7f30e9af1fcb;hp=c44b9f40f76ce46cd78d7c12eec3c86a17d28498;hb=ca8727cf22a445adc20eb1f8b7a12b8eededc32d;hpb=774e09230145ee2d8ba58868573213da84a348eb diff --git a/src/sha1.h b/src/sha1.h index c44b9f40..3f500b23 100644 --- a/src/sha1.h +++ b/src/sha1.h @@ -4,43 +4,56 @@ #include "config.h" #include #include -#include "string.h" +#include #include "util.h" #define SHA1_HASH_SIZE 20 -static inline void copy_hash(u8 dest[SHA1_HASH_SIZE], - const u8 src[SHA1_HASH_SIZE]) +extern const u8 zero_hash[SHA1_HASH_SIZE]; + +static inline void +copy_hash(u8 dest[SHA1_HASH_SIZE], const u8 src[SHA1_HASH_SIZE]) { memcpy(dest, src, SHA1_HASH_SIZE); } -static inline void random_hash(u8 hash[SHA1_HASH_SIZE]) +static inline void +random_hash(u8 hash[SHA1_HASH_SIZE]) { randomize_byte_array(hash, SHA1_HASH_SIZE); } -static inline bool hashes_equal(const u8 h1[SHA1_HASH_SIZE], - const u8 h2[SHA1_HASH_SIZE]) +static inline bool +hashes_equal(const u8 h1[SHA1_HASH_SIZE], const u8 h2[SHA1_HASH_SIZE]) { return memcmp(h1, h2, SHA1_HASH_SIZE) == 0; } -/* Prints a hash code field. */ -static inline void print_hash(const u8 hash[SHA1_HASH_SIZE]) +static inline int +hashes_cmp(const u8 h1[SHA1_HASH_SIZE], + const u8 h2[SHA1_HASH_SIZE]) +{ + return memcmp(h1, h2, SHA1_HASH_SIZE); +} + +static inline void +print_hash(const u8 hash[SHA1_HASH_SIZE], FILE *out) { - print_byte_field(hash, SHA1_HASH_SIZE); + print_byte_field(hash, SHA1_HASH_SIZE, out); } -static inline bool is_zero_hash(const u8 hash[SHA1_HASH_SIZE]) +static inline bool +is_zero_hash(const u8 hash[SHA1_HASH_SIZE]) { - for (u8 i = 0; i < SHA1_HASH_SIZE / 4; i++) - if (((u32*)hash)[i]) - return false; + if (hash) + for (u8 i = 0; i < SHA1_HASH_SIZE / 4; i++) + if (((const u32*)hash)[i]) + return false; return true; } -static void zero_hash(u8 hash[SHA1_HASH_SIZE]) +static inline void +zero_out_hash(u8 hash[SHA1_HASH_SIZE]) { memset(hash, 0, SHA1_HASH_SIZE); } @@ -49,7 +62,11 @@ static void zero_hash(u8 hash[SHA1_HASH_SIZE]) #ifdef WITH_LIBCRYPTO #include -#define sha1_buffer SHA1 +static inline void +sha1_buffer(const void *buffer, size_t len, u8 hash[SHA1_HASH_SIZE]) +{ + SHA1(buffer, len, hash); +} #define sha1_init SHA1_Init #define sha1_update SHA1_Update #define sha1_final SHA1_Final @@ -57,20 +74,23 @@ static void zero_hash(u8 hash[SHA1_HASH_SIZE]) #else /* WITH_LIBCRYPTO */ typedef struct { - u32 state[5]; - u32 count[2]; - u8 buffer[64]; + u32 state[5]; + u32 count[2]; + u8 buffer[64]; } SHA_CTX; -extern void sha1_buffer(const u8 buffer[], size_t len, u8 hash[SHA1_HASH_SIZE]); -extern void sha1_init(SHA_CTX *ctx); -extern void sha1_update(SHA_CTX *ctx, const u8 data[], size_t len); -extern void sha1_final(u8 hash[SHA1_HASH_SIZE], SHA_CTX *ctx); +extern void +sha1_buffer(const void *buffer, size_t len, u8 hash[SHA1_HASH_SIZE]); -#endif /* !WITH_LIBCRYPTO */ +extern void +sha1_init(SHA_CTX *ctx); -extern int sha1sum(const char *filename, u8 hash[SHA1_HASH_SIZE]); +extern void +sha1_update(SHA_CTX *ctx, const void *data, size_t len); +extern void +sha1_final(u8 hash[SHA1_HASH_SIZE], SHA_CTX *ctx); +#endif /* !WITH_LIBCRYPTO */ #endif /* _WIMLIB_SHA1_H */