# \#cookie

**URL:** https://discuss.ocaml.org/tag/cookie/373.md

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## [\[Ask\] Cookie Crypto](https://discuss.ocaml.org/t/ask-cookie-crypto/10376)

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**Author:** [@mro](https://discuss.ocaml.org/u/mro)\
**Replies:** 5\
**Last updated:** [August 28, 2022, 3:41am UTC](https://discuss.ocaml.org/t/ask-cookie-crypto/10376 "2022-08-28T03:41:30Z")

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for a CGI I need to encrypt a cookie header payload like let encrypt sec nonce adata = assert (32 = (sec |\> Cstruct.length)); assert (12 = (nonce |\> Cstruct.length)); let key = sec |\> Mirage\_crypto.Chacha20.of\_sec…

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## [How to set Cookie with Opium?](https://discuss.ocaml.org/t/how-to-set-cookie-with-opium/5808)

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**Author:** [@koji-k](https://discuss.ocaml.org/u/koji-k)\
**Replies:** 1\
**Last updated:** [May 20, 2020, 8:48am UTC](https://discuss.ocaml.org/t/how-to-set-cookie-with-opium/5808 "2020-05-20T08:48:50Z")

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I try to use Cookie with Opium. sample code explains how to use Cookie module. Therefore i wrote a following code. let test = get "/auth/test" begin fun (\_req: Request.t) -\> \`String "aaa" |\> respond |\> Coo…