Mercurial > hg > dav / file diff

--- a/libidav/crypto.c	Sun Sep 17 11:21:31 2023 +0200
+++ b/libidav/crypto.c	Sun Sep 17 12:08:04 2023 +0200
@@ -1093,10 +1093,11 @@
     
     // ready to decrypt the message
     ULONG outlen = clen + 32;
-    unsigned char *out = malloc(outlen);
        
     // decrypt
     if(clen > 0) {
+        unsigned char* out = malloc(outlen);
+
         ULONG enc_len = 0;
         ULONG status = BCryptDecrypt(dec->ctx.hKey, cbuf, clen, NULL, dec->ctx.pbIV, 16, out, outlen, &enc_len, 0);
         if(status > 0) {
@@ -1106,13 +1107,14 @@
             return 0;
         }      
         outlen = enc_len;
+
+        // write decrypted data to the output stream and update the hash
+        dec->write(out, 1, outlen, dec->stream);
+        BCryptHashData(dec->sha256.hHash, out, outlen, 0);
+
+        free(out);
     }
     
-    // write decrypted data to the output stream and update the hash
-    dec->write(out, 1, outlen, dec->stream);
-    BCryptHashData(dec->sha256.hHash, out, outlen, 0);
-    
-    free(out);
     free(cbuf);
     
     return (s*n) / s;