In PHP, use random_bytes(). Reason: your are seeking the way to get a password reminder token, and, if it is a one-time login credentials, then you actually have a data to protect (which is – whole user account) So, the code will be as follows: //$length = 78 etc $token = bin2hex(random_bytes($length)); Update: previous versions … Read more
You can store tokens securely in HttpOnly cookies. https://medium.com/@sadnub/simple-and-secure-api-authentication-for-spas-e46bcea592ad If you worry about long-living Refresh Token. You can skip storing it and not use it at all. Just keep Access Token in memory and do silent sign-in when Access Token expires. Don’t use Implicit flow because it’s obsolete. The most secure way of authentication for … Read more
SSL will protect the query parameters in transit; however, email itself is not secure, and the email could bounce along any number of servers before getting to its destination. Also depending on your web server the full URL might get logged in its log files. Depending on how sensitive the data is you might not … Read more
kid is an optional header claim which holds a key identifier, particularly useful when you have multiple keys to sign the tokens and you need to look up the right one to verify the signature. Once a signed JWT is a JWS, consider the definition from the RFC 7515: 4.1.4. “kid” (Key ID) Header Parameter … Read more
Using “Compilers Principles, Techniques, & Tools, 2nd Ed.” (WorldCat) by Aho, Lam, Sethi and Ullman, AKA the Purple Dragon Book, Lexeme pg. 111 A lexeme is a sequence of characters in the source program that matches the pattern for a token and is identified by the lexical analyzer as an instance of that token. Token … Read more
The problem is that when you have a macro replacement, the preprocessor will only expand the macros recursively if neither the stringizing operator # nor the token-pasting operator ## are applied to it. So, you have to use some extra layers of indirection, you can use the token-pasting operator with a recursively expanded argument: #define … Read more
I’ve been playing with tokens for my application as well. While I’m not an expert by any means, I can share some of my experiences and thoughts on the matter. The point of JWTs is essentially integrity. It provides a mechanism for your server verify that the token that was provided to it is genuine … Read more
In python: (‘<MY_TOKEN>’) is equivalent to ‘<MY_TOKEN>’ And requests interprets (‘TOK’, ‘<MY_TOKEN>’) As you wanting requests to use Basic Authentication and craft an authorization header like so: ‘VE9LOjxNWV9UT0tFTj4K’ Which is the base64 representation of ‘TOK:<MY_TOKEN>’ To pass your own header you pass in a dictionary like so: r = requests.get(‘<MY_URI>’, headers={‘Authorization’: ‘TOK:<MY_TOKEN>’})
Store them as shared preferences. Those are by default private, and other apps cannot access them. On a rooted devices, if the user explicitly allows access to some app that is trying to read them, the app might be able to use them, but you cannot protect against that. As for encryption, you have to … Read more
The Google Auth server issued Refresh tokens never expire — that’s the whole point of the refresh tokens. The refresh token will expire (or I should say become unauthorized) when the user revokes access to your application. Refer this doc it clearly states the function of refresh tokens. Instead of issuing a long lasting token … Read more