10 #define SHA1_HASH_SIZE 20
12 extern const u8 zero_hash[SHA1_HASH_SIZE];
14 static inline void copy_hash(u8 dest[SHA1_HASH_SIZE],
15 const u8 src[SHA1_HASH_SIZE])
17 memcpy(dest, src, SHA1_HASH_SIZE);
20 static inline void random_hash(u8 hash[SHA1_HASH_SIZE])
22 randomize_byte_array(hash, SHA1_HASH_SIZE);
25 static inline bool hashes_equal(const u8 h1[SHA1_HASH_SIZE],
26 const u8 h2[SHA1_HASH_SIZE])
28 return memcmp(h1, h2, SHA1_HASH_SIZE) == 0;
30 static inline int hashes_cmp(const u8 h1[SHA1_HASH_SIZE],
31 const u8 h2[SHA1_HASH_SIZE])
33 return memcmp(h1, h2, SHA1_HASH_SIZE);
36 /* Prints a hash code field. */
37 static inline void print_hash(const u8 hash[SHA1_HASH_SIZE])
39 print_byte_field(hash, SHA1_HASH_SIZE);
42 static inline bool is_zero_hash(const u8 hash[SHA1_HASH_SIZE])
45 for (u8 i = 0; i < SHA1_HASH_SIZE / 4; i++)
51 static inline void zero_out_hash(u8 hash[SHA1_HASH_SIZE])
53 memset(hash, 0, SHA1_HASH_SIZE);
59 #include <openssl/sha.h>
60 #define sha1_buffer SHA1
61 #define sha1_init SHA1_Init
62 #define sha1_update SHA1_Update
63 #define sha1_final SHA1_Final
65 #else /* WITH_LIBCRYPTO */
73 extern void sha1_buffer(const u8 buffer[], size_t len, u8 hash[SHA1_HASH_SIZE]);
74 extern void sha1_init(SHA_CTX *ctx);
75 extern void sha1_update(SHA_CTX *ctx, const u8 data[], size_t len);
76 extern void sha1_final(u8 hash[SHA1_HASH_SIZE], SHA_CTX *ctx);
78 #endif /* !WITH_LIBCRYPTO */
80 extern int sha1sum(const char *filename, u8 hash[SHA1_HASH_SIZE]);
84 #endif /* _WIMLIB_SHA1_H */