47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
/* eslint-disable camelcase */
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const sha512 = require('sha512-universal')
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const assert = require('nanoassert')
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if (new Uint16Array([1])[0] !== 1) throw new Error('Big endian architecture is not supported.')
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const crypto_hash_sha512_BYTES = 64
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const crypto_hash_BYTES = crypto_hash_sha512_BYTES
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function crypto_hash_sha512 (out, m, n) {
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assert(out.byteLength === crypto_hash_sha512_BYTES, "out must be 'crypto_hash_sha512_BYTES' bytes long")
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sha512().update(m.subarray(0, n)).digest(out)
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return 0
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}
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function crypto_hash_sha512_state () {
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return sha512()
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}
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function crypto_hash_sha512_update (state, m, n) {
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if (n === undefined) n = m.byteLength
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state.update(m.subarray(0, n))
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return 0
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}
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function crypto_hash_sha512_final (state, out) {
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assert(out.byteLength === crypto_hash_sha512_BYTES, "out must be 'crypto_hash_sha512_BYTES' bytes long")
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state.digest(out)
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return 0
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}
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function crypto_hash (out, m, n) {
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return crypto_hash_sha512(out, m, n)
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}
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module.exports = {
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crypto_hash,
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crypto_hash_sha512,
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crypto_hash_sha512_state,
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crypto_hash_sha512_update,
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crypto_hash_sha512_final,
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crypto_hash_sha512_BYTES,
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crypto_hash_BYTES
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}
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