fixup: fix the crash

looks like cython does not generate correct code for what I tried.
borgbackup · Jan 24, 2021 · e9c4085 · e9c4085
1 parent bf1f23c
commit e9c4085
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/borg/crypto/low_level.pyx b/src/borg/crypto/low_level.pyx
@@ -431,9 +431,10 @@ cdef class AES256_CTR_BLAKE2b(AES256_CTR_BASE):
     cdef mac_compute(self, const unsigned char *data1, int data1_len,
                      const unsigned char *data2, int data2_len,
                      unsigned char *mac_buf):
-        data = bytes(self.mac_key[:128]) + bytes(data1[:data1_len]) + bytes(data2[:data2_len])
+        data = self.mac_key[:128] + data1[:data1_len] + data2[:data2_len]
         mac = hashlib.blake2b(data, digest_size=self.mac_len).digest()
-        mac_buf[:self.mac_len] = mac[:self.mac_len]
+        for i in range(self.mac_len):
+            mac_buf[i] = mac[i]
 
     cdef mac_verify(self, const unsigned char *data1, int data1_len,
                     const unsigned char *data2, int data2_len,