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In common usage the user will take an server generated API key and embed it within their application that makes API requests. Take a very typical example of a m

by poutine 13y ago

In common usage the user will take an server generated API key and embed it within their application that makes API requests. Take a very typical example of a merchant selling snowboards and using Stripe to process the payments as an example. Since this API key is embedded within their app it'll require a programmer to change (and customers often may be non technical with sites built on contract). These are things you dont want to force customers to change with any frequency as it can cause pain and expense. You dont want to ever be forced to flush all your API keys, it could be a serious disaster. Now there's protocols that rollover access keys hourly or the like such as OAuth a but that's a complex and often unnecessary use case that's beyond most API implementors. See how Google does OAuth 2.0 with their APIs for an example. Since it's secure, simple and performant to hash API keys stored in your DB and just compared hashed values for authentication why would you ever not want to do it?

tptacek 13y ago
If you lose the database containing either your API keys or hashes of your API keys, you need to revoke the keys. Not doing so is negligent. The correct next step after discovering that you may have lost custody of API key information is to ensure that the keys are worthless, not to scramble to try to protect the keys. This is another reason you want to be clear about the difference between a "key" and a "password", because passwords are sticky. A benefit of working with keys is that they are not; you can zorch a key with minimal provocation.
- poutine 13y ago
  If you lose your DB you're in trouble regardless. We're talking about the level of trouble here. I'd rather be faced with a 30 day key rollover of all my users than a forced immediate change. I dont see any reason to continue the argument. It's clear to me that you should hash your API keys in your DB.

by poutine 13y ago

tptacek 13y ago

If you lose the database containing either your API keys or hashes of your API keys, you need to revoke the keys. Not doing so is negligent. The correct next step after discovering that you may have lost custody of API key information is to ensure that the keys are worthless, not to scramble to try to protect the keys. This is another reason you want to be clear about the difference between a "key" and a "password", because passwords are sticky. A benefit of working with keys is that they are not; you can zorch a key with minimal provocation.

poutine 13y ago
If you lose your DB you're in trouble regardless. We're talking about the level of trouble here. I'd rather be faced with a 30 day key rollover of all my users than a forced immediate change. I dont see any reason to continue the argument. It's clear to me that you should hash your API keys in your DB.