a82160d51b
* crypto_verify return booleans * can now return crypto_verify result directly * remove redundant return values * unpackneg check returns boolean
37 lines
1.3 KiB
JavaScript
37 lines
1.3 KiB
JavaScript
/* eslint-disable camelcase */
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const assert = require('nanoassert')
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const Poly1305 = require('./internal/poly1305')
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const { crypto_verify_16 } = require('./crypto_verify')
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const crypto_onetimeauth_BYTES = 16
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const crypto_onetimeauth_KEYBYTES = 32
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const crypto_onetimeauth_PRIMITIVE = 'poly1305'
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module.exports = {
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crypto_onetimeauth,
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crypto_onetimeauth_verify,
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crypto_onetimeauth_BYTES,
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crypto_onetimeauth_KEYBYTES,
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crypto_onetimeauth_PRIMITIVE
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}
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function crypto_onetimeauth (mac, msg, key) {
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assert(mac.byteLength === crypto_onetimeauth_BYTES, "mac must be 'crypto_onetimeauth_BYTES' bytes")
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assert(msg.byteLength != null, 'msg must be buffer')
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assert(key.byteLength === crypto_onetimeauth_KEYBYTES, "key must be 'crypto_onetimeauth_KEYBYTES' bytes")
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var s = new Poly1305(key)
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s.update(msg, 0, msg.byteLength)
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s.finish(mac, 0)
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}
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function crypto_onetimeauth_verify (mac, msg, key) {
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assert(mac.byteLength === crypto_onetimeauth_BYTES, "mac must be 'crypto_onetimeauth_BYTES' bytes")
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assert(msg.byteLength != null, 'msg must be buffer')
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assert(key.byteLength === crypto_onetimeauth_KEYBYTES, "key must be 'crypto_onetimeauth_KEYBYTES' bytes")
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var tmp = new Uint8Array(16)
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crypto_onetimeauth(tmp, msg, key)
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return crypto_verify_16(mac, 0, tmp, 0)
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}
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