encryption - Java: Access token with SHA512 and random salt - how to verify? -


i have question regarding webservice. using access token security , authentification purpose. want store token encrypted in database , token expire after 90 days. using random salt , facing issue: how can verify that? thinking storing salt in database well, if have receive user_id salt , encrypt token again. (so user sending token in header , not encrypted there)

thanks in advance, jan


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