Newsgroup: it.comp.lang.visual-basic
Titolo: Vendita software auto prodotto come.....?

Ho realizzato un software e lo o vendo,
visto che lo realizzato io detengo i diritto,
l'acquirente mi chiede la licenza, che gli do
visto che sono un privato?
Ciao Enzo
www.scozzaro.it


eeeehhhh?:-) se ho ben capito.... non vedo il pb....la licenza non è mica
una fattura.... non so come tu abbia fatto a gestire le protezioni e le
licenze Sw, ma puoi usare metodi che vanno dai documenti elettronici
protetti da chiave pubblica/privata (che se non sbaglio ormai dovrebbero
avere un qualche valore legale) al semplice invio della chiave di
registrazione creata da te dal suo nome e cognome, o cose simili.... ma
forse non ho compreso bene la domanda....:-(

Vedi se questa fa al caso tuo... :))))
Puoi usarla come spunto per la tua licenza...
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scusa se cambio argomento ma volevo chiederti cosa fai se il cliente lo
copia a un amico
scoz...@tiscalinet.it
 ha scritto:


con una licenza del tipo GNU GENERAL PUBLIC LICENSE
si guadagna quindi sulla distribuzione del software ?
una cosa che non ho mai capito è come fanno i programmi gratuiti tipo il napster o imesh a
far guadagnare soldi ai loro creatori? (forse grazie alle riviste di pc che li
distribuiscono?)
mi sembra che il ragazzo che ha fatto il napster ne ha guadagnati parecchi.
come fa la casa del win zip a guadagnare con le poche licenze che vende visto che comunque
il win zip funziona lo stesso anche se shareware? (e ci sono altri programmi che sanno usare
i file zip e sono gratuiti)

 i file zip e sono gratuiti)
In teoria dovresti registrarlo: ma tu privato non lo fai, mentre una azienda e'
costretta dalla possibilità di un controllo della finanza.
Vista la grossa diffuzione di Winzip, non credo che si trovino in difficoltà economiche.
In più la pubblicità che ne viene fatta ovunque alimenta il suo utilizzo facendolo
diventare IL programma per decomprimere file zip, nonostante il formato zip sia di
pubblico dominio e i concorrenti siano tanti.

 ha scritto nel messaggio
news:3BEB12BE...@hotmail.com...
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www.scozzaro.it
what's
--------------------------------
Inviato via 
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 ha scritto nel messaggio
news:192Z106Z52Z2Y1...@usenet.iol.it...


 visto che sono un privato?
Il VB č originale? Altrimenti non puoi vendere un bel tubo, anzi non
potresti nemmeno avercelo...
La licenza la scrivi tu... e ci scrivi su quello che vuoi.
Tipo che ne so Pinco Pallino ha diritto di utilizzare il software da me
realizzato, per i seguenti scopi, con le seguenti limitazioni, sul seguente
numero di macchine!
Prendi le licenze di qualche software commerciale e ispirati con quelle!
Anche se penso che come privato puoi solo realizzare software freeware o al
piů donationware (non ho ben presente come funzionino in italia le regole
sulle donazioni)...
Le tasse derivate dall'utile? Se vendi qualcosa da te prodotto ci pagherai
le tasse sopra no?
Una soluzione potrebbe essere accordarti con qualche ditta di software della
zona per commercializzare il tuo prodotto...
Ciao

 i file zip e sono gratuiti)
Se sei un'azienda dovresti registarlo, e ti assicuro che per quel poco che
costa in moltissimi lo fanno dato che credo che sia il progamma di
archiviazione piů diffuso al mondo!
Ciao

 se non lo esegui come demo.
E se i PC sono identici? :-)

 La chiave dinamica cambia di comp. a comp. ma è la stessa sempre per lo
E come te la calcoli? Voglio dire: quale numero seriale del comp. usi per generarla?

ok il tuo metodo è senz'altro il migliore ma come ti calcoli la chiave
dinamica?
penso che riuscire a leggere il numero di serie del processore sarebbe l'unica
soluzione che non si può raggirare. a quel punto o qualcuno fa una crack e non
puoi farci neinte o qualcuno riesce a trovare l'algoritmo di calcolo della
password. cosa non impossibile sopratutto se la licenza non costa molto (perchè
con più licenze si possono leggere più chiavi  e avere più informazioni per
decifrare l'algoritmo)

E se il cliente fa un Upgrade della macchina ? No gli funziona piů il prg?

 E se il cliente fa un Upgrade della macchina ? No gli funziona più il prg?
The new XPerience... ora puoi! :)))

 del processore sarebbe l'unica soluzione che non si può raggirare.
Il numero della CPU non sempre è leggibile, ma per l'indirizzo fisico
della scheda di rete basta un "IPCONFIG /ALL" e quello è sicuramente
univoco. Fra l'altro gli dai anche la possibilità di aggiornare il
PC quando vuole, basta che si porti dietro la stessa scheda di rete.
Questo ha due limiti:
- che deve avere una scheda di rete (ma se il PC è installato in un
  ufficio c'è già, e comunque qualora non ci fosse sono 35.000 lire,
  la fornisci insieme al programma almeno ne sai prima l'indirizzo)
- se si guasta la scheda di rete devi ridargli il codice (anche in
  questo caso se sei tu che glie la dai insieme al prodotto basta
  che ti fai riconsegnare quella rotta, e che controlli che non ti
  abbia ridato una scheda di suo cuGGino....)
La possibilità di craccare il numero c'è sempre (al più con la forza
bruta) ma dipende anche da te e dal costo del programma: chi perde
dei mesi per craccare un programma che vale meno del tempo perso?
Ciao.
Mauro

Impossibile che hanno lo stesso numero seriale
del HD questo è univoco;
Ciao Enzo
www.scozzaro.it
"Lord Rayden" <ray...@hardwaretips.com.rimuovimi> ha scritto nel messaggio
news:9sg95v$2je1$1...@half.spin.it...
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 ha scritto nel messaggio
news:plOG7.27510$zl4.7...@news2.tin.it...
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Come tu sai i prog. win installati non si copiano ma si installano,
questo vul dire installare di nuovo tutto, e fare una copia degli archivi
e poi procedre con l'aggiornamento, ora metti che come dici tu
fa l'upgrade del pc questo lo sa quello che ha fatto delle domante
mirate fanno si che il prog. capisce se si tratta di una bufola oppure
no.
Ciao Enzo
www.scozzaro.it
"Lord Rayden" <ray...@hardwaretips.com.rimuovimi> ha scritto nel messaggio
news:9sh43r$60h$1...@half.spin.it...
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