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Webhook Signature

Webhook signature ek cryptographic verification mechanism hai jo ensure karta hai ke incoming…

Overview
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Webhook Signature — Quick Facts

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Field: Detail

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Full Name: Webhook Signature (Webhook HMAC…

Also Known As: Webhook HMAC, Webhook Verification…

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Type: Cryptographic Verification…

Topic 1
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Infobox

🌐 | Field | Detail | |---|---| | Full Name | Webhook Signature (Webhook HMAC Signature) | |…
Topic 2
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Overview

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Attacker fake webhook bhej sakta…

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Man-in-the-middle payload modify…

Competitors ya malicious actors…

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Provider aur receiver ek shared…

Topic 3
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Why Webhook Signatures Are Critical

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Attacker aapke webhook URL par…

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Bina signature check ke aapka…

Customer ko free product mil jaata…

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Loss: Revenue + inventory

Topic 4

How Webhook Signatures Work

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Secret key kabhi webhook request…

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Provider aur receiver dono ke paas…

Raw payload body use hoti hai…

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Comparison timing-safe honi…

Topic 5

HMAC Deep Dive

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Defined in RFC 2104 (1997)

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FIPS 198-1 standard bhi HMAC ko…

"H" = Hash function (SHA-256,…

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$K$ = Secret key

Topic 6
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Signature Generation (Provider Side)

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Platform me event hota hai (e.g.,…

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Webhook delivery system trigger…

Event data ko JSON format me…

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Yeh raw JSON string hogi jo…

Topic 7

Signature Verification (Receiver Side)

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Request headers se…

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Agar header missing hai → request…

Request body ko raw bytes me read…

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HMAC raw body par compute hota hai…

Topic 8

Provider Signature Implementations

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HMAC-SHA256 sabse common hai…

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Encoding vary karti hai: hex…

Stripe aur Slack timestamp include…

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PayPal, Discord, SendGrid…

Topic 9

Timing-Safe Comparison

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Agar pehla character mismatch →…

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Agar first 20 characters match,…

Attacker response time measure…

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Constant-time comparison — hamesha…

Topic 10
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Secret Key Management

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Secret key cryptographically…

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Minimum length: 32 bytes (256…

Characters: alphanumeric + special…

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Never hardcode in source code

Topic 11

Common Vulnerabilities

🖥️ Vulnerability and Mitigation Table | Vulnerability | Description | Risk | Mitigation |…
Topic 12
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Enterprise Considerations

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Har tenant ka apna unique webhook…

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Tenant ke secret ko us tenant ki…

Ek tenant ke secret se doosre…

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Har signature verification ka log…

Topic 13
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Aliens WebOS Context

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Aliens WebOS me webhook signature…

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Incoming webhooks WebOS ke HTTP…

Per-provider configuration:…

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Har tenant ke webhook secrets…

Topic 14

Glossary

🎨 | # | Term | Definition | |---|---|---| | 1 | Webhook Signature | Cryptographic hash jo…
Diagram
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Visual Flow

📊 Diagram visualization — details in narration
Diagram
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Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

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Webhook

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Webhook retry

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Webhook integration

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Webhook module

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HMAC

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SHA-256

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

Webhook Signature ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

Webhook Signature ka 'Full Name' kya hai?

Complete! 🎉
COMPLETE

Webhook Signature Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

Webhook Signature Complete

➡️

Webhook

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