73 lines
2.9 KiB
JavaScript
73 lines
2.9 KiB
JavaScript
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/* eslint-disable camelcase */
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const test = require('brittle')
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const sodium = require('..')
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test('crypto_secretbox_easy', function (t) {
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const message = Buffer.from('Hej, Verden!')
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const output = Buffer.alloc(message.length + sodium.crypto_secretbox_MACBYTES)
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const key = Buffer.alloc(sodium.crypto_secretbox_KEYBYTES)
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sodium.randombytes_buf(key)
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const nonce = Buffer.alloc(sodium.crypto_secretbox_NONCEBYTES)
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sodium.randombytes_buf(nonce)
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t.exception.all(function () {
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sodium.crypto_secretbox_easy(Buffer.alloc(0), message, nonce, key)
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}, 'throws if output is too small')
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t.exception.all(function () {
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sodium.crypto_secretbox_easy(Buffer.alloc(message.length), message, nonce, key)
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}, 'throws if output is too small')
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sodium.crypto_secretbox_easy(output, message, nonce, key)
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t.not(output, Buffer.alloc(output.length))
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const result = Buffer.alloc(output.length - sodium.crypto_secretbox_MACBYTES)
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t.absent(sodium.crypto_secretbox_open_easy(result, output, Buffer.alloc(sodium.crypto_secretbox_NONCEBYTES), key), 'could not decrypt')
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t.ok(sodium.crypto_secretbox_open_easy(result, output, nonce, key), 'could decrypt')
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t.alike(result, message, 'decrypted message is correct')
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})
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test('crypto_secretbox_easy overwrite buffer', function (t) {
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const output = Buffer.alloc(Buffer.byteLength('Hej, Verden!') + sodium.crypto_secretbox_MACBYTES)
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output.write('Hej, Verden!', sodium.crypto_secretbox_MACBYTES)
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const key = Buffer.alloc(sodium.crypto_secretbox_KEYBYTES)
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sodium.randombytes_buf(key)
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const nonce = Buffer.alloc(sodium.crypto_secretbox_NONCEBYTES)
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sodium.randombytes_buf(nonce)
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sodium.crypto_secretbox_easy(output, output.slice(sodium.crypto_secretbox_MACBYTES), nonce, key)
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t.not(output, Buffer.alloc(output.length))
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t.ok(sodium.crypto_secretbox_open_easy(output.slice(sodium.crypto_secretbox_MACBYTES), output, nonce, key), 'could decrypt')
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t.alike(output.slice(sodium.crypto_secretbox_MACBYTES), Buffer.from('Hej, Verden!'), 'decrypted message is correct')
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})
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test('crypto_secretbox_detached', function (t) {
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const message = Buffer.from('Hej, Verden!')
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const output = Buffer.alloc(message.length)
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const mac = Buffer.alloc(sodium.crypto_secretbox_MACBYTES)
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const key = Buffer.alloc(sodium.crypto_secretbox_KEYBYTES)
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sodium.randombytes_buf(key)
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const nonce = Buffer.alloc(sodium.crypto_secretbox_NONCEBYTES)
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sodium.randombytes_buf(nonce)
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sodium.crypto_secretbox_detached(output, mac, message, nonce, key)
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t.not(mac, Buffer.alloc(mac.length), 'mac not blank')
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t.not(output, Buffer.alloc(output.length), 'output not blank')
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const result = Buffer.alloc(output.length)
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t.absent(sodium.crypto_secretbox_open_detached(result, output, mac, nonce, Buffer.alloc(key.length)), 'could not decrypt')
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t.ok(sodium.crypto_secretbox_open_detached(result, output, mac, nonce, key), 'could decrypt')
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t.alike(result, message, 'decrypted message is correct')
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})
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