19 lines
490 B
JavaScript
19 lines
490 B
JavaScript
|
const sha256 = require('sha256-wasm')
|
||
|
|
const assert = require('nanoassert')
|
||
|
|
|
||
|
|
if (new Uint16Array([1])[0] !== 1) throw new Error('Big endian architecture is not supported.')
|
||
|
|
|
||
|
|
var crypto_hash_sha256_BYTES = 32
|
||
|
|
|
||
|
|
function crypto_hash_sha256 (out, m, n) {
|
||
|
|
assert(out.byteLength === crypto_hash_sha256_BYTES, "out must be 'crypto_hash_sha256_BYTES' bytes long")
|
||
|
|
|
||
|
|
sha256().update(m.subarray(0, n)).digest(out)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
crypto_hash_sha256,
|
||
|
|
crypto_hash_sha256_BYTES
|
||
|
|
}
|