#include "wimlib/types.h"
#include "wimlib/util.h"
-#define SHA1_HASH_SIZE 20
+#define SHA1_HASH_SIZE 20
+#define SHA1_BLOCK_SIZE 64
+
+struct sha1_ctx {
+ u64 bytecount;
+ u32 h[5];
+ u8 buffer[SHA1_BLOCK_SIZE];
+};
+
+extern void
+sha1_init(struct sha1_ctx *ctx);
+
+extern void
+sha1_update(struct sha1_ctx *ctx, const void *data, size_t len);
+
+extern void
+sha1_final(struct sha1_ctx *ctx, u8 hash[SHA1_HASH_SIZE]);
+
+extern void
+sha1(const void *data, size_t len, u8 hash[SHA1_HASH_SIZE]);
extern const u8 zero_hash[SHA1_HASH_SIZE];
static inline bool
is_zero_hash(const u8 *hash)
{
- return (hash == zero_hash || hashes_equal(hash, zero_hash));
+ return hash == zero_hash || hashes_equal(hash, zero_hash);
}
-#ifdef WITH_LIBCRYPTO
-
-#include <openssl/sha.h>
-
-#define sha1_init SHA1_Init
-#define sha1_update SHA1_Update
-#define sha1_final SHA1_Final
-
-static inline void
-sha1(const void *data, size_t len, u8 hash[SHA1_HASH_SIZE])
-{
- SHA1(data, len, hash);
-}
-
-#else /* WITH_LIBCRYPTO */
-
-typedef struct {
- u64 bytecount;
- u32 state[5];
- u8 buffer[64];
-} SHA_CTX;
-
-extern void
-sha1_init(SHA_CTX *ctx);
-
-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);
-
-extern void
-sha1(const void *data, size_t len, u8 hash[SHA1_HASH_SIZE]);
-
-#endif /* !WITH_LIBCRYPTO */
-
#endif /* _WIMLIB_SHA1_H */