/Wiki/sources/honojs__hono/2026/https-hono-dev-llms-full-txt-signed-cookies-ceef96b311bd-signed-cookies-s0718-c0000.md
Signed cookies - hono-docs
Signed cookies Source evidence: /Sources/raw/honojs hono/honojs hono.md Canonical citation: https://hono.dev/llms full.txt signed cookies Summary NOTE : Sett...
Signed cookies
Source evidence: /Sources/raw/honojshono/honojshono.md Canonical citation: https://hono.dev/llms-full.txt#signed-cookies
Summary
NOTE: Setting and retrieving signed cookies returns a Promise due to the async nature of the WebCrypto API, which is used to create HMAC SHA-256 signatures. ```ts app.get('/signed-cookie', (c) => { const secret = 'secret' // make sur...
Content
NOTE: Setting and retrieving signed cookies returns a Promise due to the async nature of the WebCrypto API, which is used to create HMAC SHA-256 signatures.
app.get('/signed-cookie', (c) => {
const secret = 'secret' // make sure it's a large enough string to be secure
await setSignedCookie(c, 'cookie_name0', 'cookie_value', secret)
const fortuneCookie = await getSignedCookie(
c,
secret,
'cookie_name0'
)
deleteCookie(c, 'cookie_name0')
// `getSignedCookie` will return `false` for a specified cookie if the signature was tampered with or is invalid
const allSignedCookies = await getSignedCookie(c, secret)
// ...
})
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