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test

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This commit is contained in:
Theron Spiegl 2020-11-24 18:41:50 -06:00
parent 7a8626bfe0
commit fac94c9aaf
1 changed files with 75 additions and 4 deletions
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79
crypto_secretstream.js
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@ -1,6 +1,7 @@
/* eslint-disable camelcase */
const { assert } = require('nanoassert')
const { randombytes_buf } = require('./randombytes')
const crypto = require('crypto')
const { randombytes_buf, randombytes } = require('./randombytes')
const {
crypto_stream_chacha20_ietf,
crypto_stream_chacha20_ietf_xor,
@ -160,7 +161,7 @@ function crypto_secretstream_xchacha20poly1305_push (state, out, m, ad, tag) {
sodium_is_zero(state.nonce, crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) {
crypto_secretstream_xchacha20poly1305_rekey(state)
}
// if (outlen_p != NULL) {
// if (outlen_p != NULL) {
// *outlen_p = crypto_secretstream_xchacha20poly1305_ABYTES + mlen;
// }
return 0
@ -268,8 +269,8 @@ function xor_buf (out, _in, n) {
}
module.exports = {
crypto_aead_xchacha20poly1305_ietf_ABYTES,
crypto_secretstream_xchacha20poly1305_ABYTES,
// crypto_aead_xchacha20poly1305_ietf_ABYTES,
// crypto_secretstream_xchacha20poly1305_ABYTES,
crypto_secretstream_xchacha20poly1305_keygen,
crypto_secretstream_xchacha20poly1305_init_push,
crypto_secretstream_xchacha20poly1305_init_pull,
@ -286,3 +287,73 @@ module.exports = {
crypto_secretstream_xchacha20poly1305_tag_rekey,
crypto_secretstream_xchacha20poly1305_tag_final
}
// test
function memcpy (dest, src, n) {
assert(dest.length >= n && src.length >= n, 'n longer than source or destination')
for (let i = 0; i < n; i++) {
dest[i] = src[i]
}
}
function test_secretstream () {
const state = new crypto_secretstream_xchacha20poly1305_state()
const statesave = new crypto_secretstream_xchacha20poly1305_state()
// const state_copy = new crypto_secretstream_xchacha20poly1305_state()
const header = new Uint8Array(crypto_secretstream_xchacha20poly1305_HEADERBYTES)
const ad_len = crypto.randomInt(100)
const m1_len = crypto.randomInt(1000)
const m2_len = crypto.randomInt(1000)
const m3_len = crypto.randomInt(1000)
const c1 = new Uint8Array(m1_len + crypto_secretstream_xchacha20poly1305_ABYTES)
const c2 = new Uint8Array(m2_len + crypto_secretstream_xchacha20poly1305_ABYTES)
const c3 = new Uint8Array(m3_len + crypto_secretstream_xchacha20poly1305_ABYTES)
const csave = new Uint8Array((m1_len | m2_len | m3_len) + crypto_secretstream_xchacha20poly1305_ABYTES)
const ad = new Uint8Array(ad_len)
const m1 = new Uint8Array(m1_len)
const m2 = new Uint8Array(m2_len)
const m3 = new Uint8Array(m3_len)
const m1_ = new Uint8Array(m1_len)
const m2_ = new Uint8Array(m2_len)
const m3_ = new Uint8Array(m3_len)
randombytes_buf(ad, ad_len)
randombytes_buf(m1, m1_len)
memcpy(m1_, m1, m1_len)
randombytes_buf(m2, m2_len)
memcpy(m2_, m2, m2_len)
randombytes_buf(m3, m3_len)
memcpy(m3_, m3, m3_len)
const k = new Uint8Array(crypto_secretstream_xchacha20poly1305_KEYBYTES)
crypto_secretstream_xchacha20poly1305_keygen(k)
/* push */
let ret = crypto_secretstream_xchacha20poly1305_init_push(state, header, k)
assert(ret === 0, 'init_push failed')
ret = crypto_secretstream_xchacha20poly1305_push(state, c1, m1, null, 0) // how can ad be null here?
assert(ret === 0, 'push failed')
// assert(res_len == m1_len + crypto_secretstream_xchacha20poly1305_ABYTES);
ret = crypto_secretstream_xchacha20poly1305_push(state, c2, m2, ad, 0)
assert(ret === 0, 'second push failed')
ret = crypto_secretstream_xchacha20poly1305_push(state, c3, null, m3, ad, crypto_secretstream_xchacha20poly1305_TAG_FINAL)
assert(ret === 0, 'third push failed')
/* pull */
ret = crypto_secretstream_xchacha20poly1305_init_pull(state, header, k)
assert(ret === 0)
}
test_secretstream()