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curriculum/challenges/italian/10-coding-interview-prep/rosetta-code/sha-1.md
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@ -8,59 +8,59 @@ dashedName: sha-1
# --description--
**SHA-1** or **SHA1** is a one-way hash function; it computes a 160-bit message digest.
**SHA-1** o **SHA1** è una funzione di hash unidirezionale; calcola una sintesi (digest) a 160 bit del messaggio.
SHA-1 often appears in security protocols; for example, many HTTPS websites use RSA with SHA-1 to secure their connections.
SHA-1 compare spesso nei protocolli di sicurezza; per esempio, molti siti Web HTTPS usano RSA con SHA-1 per proteggere le loro connessioni.
BitTorrent uses SHA-1 to verify downloads.
BitTorrent utilizza SHA-1 per verificare i download.
Git and Mercurial use SHA-1 digests to identify commits.
Git e Mercurial usano i digest SHA-1 per identificare i commit.
A US government standard, [FIPS 180-1](https://rosettacode.org/wiki/SHA-1/FIPS-180-1), defines SHA-1.
Uno standard governativo US, [FIPS 180-1](https://rosettacode.org/wiki/SHA-1/FIPS-180-1), definisce SHA-1.
# --instructions--
Write a function that returns the SHA-1 message digest for a given string.
Scrivi una funzione che restituisce il digest SHA-1 per una determinata stringa.
# --hints--
`SHA1` should be a function.
`SHA1` dovrebbe essere una funzione.
```js
assert(typeof SHA1 === 'function');
```
`SHA1("abc")` should return a string.
`SHA1("abc")` dovrebbe restituire una stringa.
```js
assert(typeof SHA1('abc') === 'string');
```
`SHA1("abc")` should return `"a9993e364706816aba3e25717850c26c9cd0d89d"`.
`SHA1("abc")` dovrebbe restituire `"a9993e364706816aba3e25717850c26c9cd0d89d"`.
```js
assert.equal(SHA1('abc'), 'a9993e364706816aba3e25717850c26c9cd0d89d');
```
`SHA1("Rosetta Code")` should return `"48c98f7e5a6e736d790ab740dfc3f51a61abe2b5"`.
`SHA1("Rosetta Code")` dovrebbe restituire `"48c98f7e5a6e736d790ab740dfc3f51a61abe2b5"`.
```js
assert.equal(SHA1('Rosetta Code'), '48c98f7e5a6e736d790ab740dfc3f51a61abe2b5');
```
`SHA1("Hello world")` should return `"7b502c3a1f48c8609ae212cdfb639dee39673f5e"`.
`SHA1("Hello world")` dovrebbe restituire `"7b502c3a1f48c8609ae212cdfb639dee39673f5e"`.
```js
assert.equal(SHA1('Hello world'), '7b502c3a1f48c8609ae212cdfb639dee39673f5e');
```
`SHA1("Programming")` should return `"d1a946bf8b2f2a7292c250063ee28989d742cd4b"`.
`SHA1("Programming")` dovrebbe restituire `"d1a946bf8b2f2a7292c250063ee28989d742cd4b"`.
```js
assert.equal(SHA1('Programming'), 'd1a946bf8b2f2a7292c250063ee28989d742cd4b');
```
`SHA1("is Awesome")` should return `"6537205da59c72b57ed3881843c2d24103d683a3"`.
`SHA1("is Awesome")` dovrebbe restituire `"6537205da59c72b57ed3881843c2d24103d683a3"`.
```js
assert.equal(SHA1('is Awesome'), '6537205da59c72b57ed3881843c2d24103d683a3');