Refactored internal use of esalt from sync with number of salts to sync with number of digests

This enables a true N esalts per salt feature which is required for WPA/WPA2 handling
In case we need that for a future algorithm, just make sure to have a unique value in digest in hash parser.
Fixes https://github.com/hashcat/hashcat/issues/1158

include/interface.h

@@ -187,6 +187,8 @@ typedef struct wpa
   int  essid_reuse;
   u8   essid_len;
   u8   essid[32];
+  u32  keymic[4];
+  u32  hash[4];
 
 } wpa_t;
 
@@ -1744,9 +1746,6 @@ char *strparser   (const u32 parser_status);
 int check_old_hccap (const char *hashfile);
 void to_hccapx_t (hashcat_ctx_t *hashcat_ctx, hccapx_t *hccapx, const u32 salt_pos, const u32 digest_pos);
 
-void wpa_essid_reuse      (hashcat_ctx_t *hashcat_ctx);
-void wpa_essid_reuse_next (hashcat_ctx_t *hashcat_ctx, const u32 salt_idx_cracked);
-
 int ascii_digest (hashcat_ctx_t *hashcat_ctx, char *out_buf, const size_t out_len, const u32 salt_pos, const u32 digest_pos);
 
 int     hashconfig_init               (hashcat_ctx_t *hashcat_ctx);