Cryptography

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submitted 1 year ago* (last edited 1 year ago) by iso@lemy.lol to c/crypto@infosec.pub

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I need to

encrypt JSON payload (not just sign)
not share private key
verify the payload is generated with the shared public key and RSA fitting all of these.

As I've only made auth with JWT so far, I'm not sure. If I use RSA, I guess I have to put the encrypted text in the body.

Do you think it can be used? Any other suggestions?

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[–] iso@lemy.lol 1 points 1 year ago* (last edited 1 year ago)

TIL that RSA allows maximum 245 character payload. But I guess that doesn't apply to JWE. Thanks for the suggestion, I'm researching 🙏🫡