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libsodium-wrappers

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libsodium-wrappers - npm Package Compare versions

Comparing version

0.3.1
to
0.4.0

61

README.md

@@ -82,13 +82,13 @@ # libsodium.js

* [`crypto_box`](https://doc.libsodium.org/public-key_cryptography/authenticated_encryption.html)
* [`crypto_box_seal`](https://doc.libsodium.org/public-key_cryptography/sealed_boxes.html)
* [`crypto_generichash`](https://doc.libsodium.org/hashing/generic_hashing.html) (Blake2b)
* [`crypto_hash`](https://doc.libsodium.org/advanced/sha-2_hash_function.html) (SHA-512-256)
* [`crypto_onetimeauth`](https://doc.libsodium.org/advanced/poly1305.html) (Poly1305)
* [`crypto_pwhash`](https://download.libsodium.org/doc/password_hashing/index.html) (Argon2)
* [`crypto_scalarmult`](https://doc.libsodium.org/advanced/scalar_multiplication.html) (Curve25519)
* [`crypto_secretbox`](https://doc.libsodium.org/secret-key_cryptography/authenticated_encryption.html)
* [`crypto_shorthash`](https://doc.libsodium.org/hashing/short-input_hashing.html) (SipHash)
* [`crypto_sign`](https://doc.libsodium.org/public-key_cryptography/public-key_signatures.html) (Ed25519)
* [Ed25519->Curve25519 conversion](https://doc.libsodium.org/advanced/ed25519-curve25519.html)
* [`randombytes`](https://doc.libsodium.org/generating_random_data/README.html)
* [`crypto_box_seal`](https://download.libsodium.org/libsodium/content/public-key_cryptography/sealed_boxes.html)
* [`crypto_generichash`](https://download.libsodium.org/libsodium/content/hashing/generic_hashing.html) (Blake2b)
* [`crypto_hash`](https://download.libsodium.org/libsodium/content/advanced/sha-2_hash_function.html) (SHA-512-256)
* [`crypto_onetimeauth`](https://download.libsodium.org/libsodium/content/secret-key_cryptography/chacha20-poly1305.html) (Poly1305)
* [`crypto_pwhash`](https://download.libsodium.org/libsodium/content/password_hashing/) (Argon2)
* [`crypto_scalarmult`](https://download.libsodium.org/libsodium/content/advanced/scalar_multiplication.html) (Curve25519)
* [`crypto_secretbox`](https://download.libsodium.org/libsodium/content/secret-key_cryptography/authenticated_encryption.html)
* [`crypto_shorthash`](https://download.libsodium.org/libsodium/content/hashing/short-input_hashing.html) (SipHash)
* [`crypto_sign`](https://download.libsodium.org/libsodium/content/public-key_cryptography/public-key_signatures.html) (Ed25519)
* [Ed25519->Curve25519 conversion](https://download.libsodium.org/libsodium/content/advanced/ed25519-curve25519.html)
* [`randombytes`](https://download.libsodium.org/libsodium/content/generating_random_data/)

@@ -132,3 +132,4 @@ ## Additional helpers

Example:
Example (shorthash):
```javascript

@@ -139,2 +140,28 @@ var key = sodium.randombytes_buf(sodium.crypto_shorthash_KEYBYTES),

Example (secretbox):
```javascript
// Load your secret key from a safe place and reuse it across multiple
// secretbox calls. (Obviously don't use this example key for anything
// real.)
//
var secret = Buffer.from('724b092810ec86d7e35c9d067702b31ef90bc43a7b598626749914d6a3e033ed', 'hex');
// Given a message as a string, return a Buffer containing the
// nonce (in the first 24 bytes) and the encrypted content.
var encrypt = function(message) {
// You must use a different nonce for each message you encrypt.
var nonce = Buffer.from(sodium.randombytes_buf(sodium.crypto_box_NONCEBYTES));
var buf = Buffer.from(message);
return Buffer.concat([nonce, Buffer.from(sodium.crypto_secretbox_easy(buf, nonce, secret))]);
},
// Decrypt takes a Buffer and returns the decrypted message as plain text.
var decrypt = function(encryptedBuffer) {
var nonce = encryptedBuffer.slice(0, sodium.crypto_box_NONCEBYTES);
var encryptedMessage = encryptedBuffer.slice(sodium.crypto_box_NONCEBYTES);
return sodium.crypto_secretbox_open_easy(encryptedMessage, nonce, secret, 'text');
}
```
In addition, the `from_hex`, `to_hex`, `from_string`, and `to_string`

@@ -162,5 +189,9 @@ functions are available to explicitly convert hexadecimal, and

It is slightly larger than the standard version, and should be used
only if you really need the extra symbols it provides.
The `crypto_pwhash_*` function set is also only included in the Sumo
version. The high amount of heap memory (allocated after loading) required by
these functions may not be desirable when they are not being used.
The sumo version is slightly larger than the standard version, and
should be used only if you really need the extra symbols it provides.
### Compilation

@@ -199,3 +230,3 @@

# Specifically, add the name of the missing functions and constants in the "EXPORTED_FUNCTIONS" array.
# Ensure that the name begins with an underscore and that it is between double quotes.
# Ensure that the name begins with an underscore and that it is between double quotes.
nano libsodium/dist-build/emscripten.sh

@@ -202,0 +233,0 @@ 

package.json