Stateless
Since JWTs are self-contained, they do not require server-side sessions, enabling stateless authentication and reducing server memory usage.
Scalability
JWTs can easily be used in distributed systems and microservices architectures due to their stateless nature, facilitating horizontal scaling.
Decentralized Issuance
Multiple issuers can create and sign their own tokens, allowing for more decentralized and flexible authentication mechanisms.
Performance
JWTs eliminate the need for database lookups during authenticating requests, as the token contains all the necessary information, which can lead to performance improvements.
Cross-domain and Mobile Compatible
JWTs are widely supported by different platforms and can easily be used in cross-domain situations and with mobile applications.
Security
JWTs can be signed and optionally encrypted, ensuring the authenticity and integrity of the data they carry.
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JWT is a widely-accepted standard used for securely transmitting information between parties as a JSON object. It is a good choice for scenarios where security and scalability are primary concerns. However, it also requires careful implementation to ensure security, especially when dealing with sensitive information.
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The key aspect of the separation between access and refresh tokens lies in the possibility of making access tokens easy to validate. An access token that carries a signature (such as a signed JWT) may be validated by the resource server on its own, without needing to contact the authorization server. - Source: dev.to / 4 days ago
Access Token: A string representing the authorization granted to the client. It’s used by the client to access protected resources on the resource server. Access tokens are typically short-lived for security reasons (e.g., valid for an hour). They can be in various formats, with JSON Web Tokens (JWTs) being a popular choice. - Source: dev.to / 6 days ago
Security Considerations • JWT o Always use HTTPS to prevent token interception o Set short expiration times o Avoid storing sensitive data in the token • OAuth o Always validate redirect URIs o Implement proper token revocation o Consider using PKCE for public clients References • The Ultimate Guide to Implementing Authentication in JavaScript Applications • OAuth 2.0 – RFC 6749 • JWT.io –... - Source: dev.to / about 1 month ago
Jwt.io is a great playground to get used to working with JWTs. - Source: dev.to / about 2 months ago
The Lambda authorizer code decodes and verifies the token, and its business logic determines whether the request should proceed to the backend or be denied. Cognito access tokens are JSON Web Tokens (JWTs), and to simplify our coding, we might opt for an external package to handle token verification. - Source: dev.to / 3 months ago
You can decode the created JWT token using JWT IO web site to see what's inside. - Source: dev.to / 3 months ago
JWT.io – A great resource to decode, verify, and generate JWT tokens. - Source: dev.to / 3 months ago
Category: Token Debugging & Authentication Link: jwt.io. - Source: dev.to / 3 months ago
Once a token is returned, we can just decode the token using JWT.io. - Source: dev.to / 3 months ago
You can inspect the token's payload on the JWT Website. - Source: dev.to / 3 months ago
Rerunning the test script, we now see a third piece of information dumped, something that looks remarkably like a JWT. If you copy that token and drop it into https://jwt.io you should see your full token:. - Source: dev.to / 4 months ago
Let's use the token to access the data in the private route. Open JWT.io and paste the token as shown below: Now we can access the data as shown above. - Source: dev.to / 4 months ago
For simple testing purposes, I went to https://jwt.io/ and changed the "Algorithm" dropdown to RS512. Towards the bottom of the screen, in the "Verify Signature" area, they include both the public and private keys used to sign their sample JWT. I simply copied both into the privkey.pem and pubkey.pem files you see above. - Source: dev.to / 4 months ago
Https://jwt.io/, a tool created by Auth0/Okta which generates a variety of "dummy" JWTs and allows you to change all three parts of the token and see the effect of those changes. It's an invaluable tool if you're building your own JWT signing service and want to experiment or quickly validate your own tokens. You can also inspect tokens from any other service, even if you can't validate them within this tool. - Source: dev.to / 4 months ago
If we copy the access token and decode that, I use jwt.io, we can see that my user has the claim cognito:groups that our PEP and PDP will use later for permissions. - Source: dev.to / 4 months ago
On jwt.io, what happens when you add another key value to the payload? Does the signature change? If it changed then it means when an attacker gets an auth token from our platform, they can not replicate it. They have to sign it. Their secret for hashing will not be the same as ours as such our system will not accept it as a valid auth token. For a jwt with a longer TTL, (Time To Live, expiration time), an... - Source: dev.to / 5 months ago
To protect your API endpoints, we’ll use JWT (JSON Web Token) authentication. By adding the [Authorize] attribute to specific controller actions, you can ensure that only authenticated users have access. Here’s how to secure the GetProducts endpoint:. - Source: dev.to / 5 months ago
Before we continue, please note that both the Header and the Payload can be decyphered in our example. We just "can’t" tamper with the payload or the header and still make it trusted. The protection against the potential effects of a malicious token can only be protected by the algorithm we choose. So choose wisely. If you are working in an organization where top secret information is a concern, such as a bank,... - Source: dev.to / 6 months ago
Iss is the issuer. This issue can be specified and if we don’t, Kong will give us a random one. The issuer is an essential part of the signature, although it is not protected. For every time we ask for a JWT a new secret is generated. The secret for this run was: xwRs1oR22OhzBeq2hWH4NnIxdF5Jr6jv . If we input that in JWT.io we’ll be able to get validated and whatever operation we provide in the payload and in the... - Source: dev.to / 6 months ago
You can then check the generated token on jwt.io:. - Source: dev.to / 8 months ago
If we get the jwt token we can see what's inside, using the website jwt.io. - Source: dev.to / 10 months ago
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