hashtegrity
v1.3.1
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A library for generating hash and validating data integrity
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🌟 Hashtegrity 🌟
Secure your data with ease! Hashtegrity
is a powerful library for generating hashes and validating data integrity, ensuring your data remains untampered and secure.
🚀 Features
- Verifiable Hash List: Create and verify Merkle trees for large list of data. Generate proof and verify efficiently.
- Versatile Hashing: Supports multiple hashing algorithms like
sha256
,md5
, and more. - HMAC Generation: Easily generate HMACs for added security.
- Data Integrity Validation: Validate the integrity of your data with simple functions.
- File Integrity Validation: Validate the integrity of your file easily.
- File Integrity Monitoring: Monitor file changes and validate integrity in real-time.
- TypeScript Support: Fully typed for a seamless development experience.
📦 Installation
Install the package:
npm install hashtegrity
🛠️ Usage
VerifiableHashList
The VerifiableHashList
feature allows you to create and verify Merkle trees for data integrity. This is particularly useful for ensuring the integrity of a list of items very efficiently.
import { VerifiableHashList } from "hashtegrity";
// Create a verifiable hash list
const hashList = new VerifiableHashList(["item1", "item2"]);
// Get the root hash of the Merkle tree
// **Which can be stored onchain
const rootHash = hashList.getRootHash();
console.log("Root Hash:", rootHash);
// Add an item to the list
const newRootHash = hashList.addItem("item3");
console.log("New Root Hash:", newRootHash);
// Verify an item in the list
const isValid = hashList.verifyItem("item3", newRootHash);
console.log("Is Valid:", isValid);
// Serialize the hash list into JSON
// **can be stored offchain
const json = hashList.toJSON();
console.log("Serialized Hash List:", json);
// Deserialize the hash list and again convert into VerifiableHashList instance
const deserializedHashList = VerifiableHashList.fromJSON(json);
console.log("Deserialized Root Hash:",
deserializedHashList.getRootHash()
);
Generate a Hash
import { generateHash } from "hashtegrity";
const hash = generateHash({ data: { key: "value" }, algorithm: "sha256" });
Generate an HMAC
import { generateHash } from "hashtegrity";
const hmac = generateHash({
data: "message",
key: "secret-key",
algorithm: "sha256",
});
Generate a File Hash
import { generateFileHash } from "hashtegrity";
const hash = await generateFileHash({
filePath: "path/to/your/file.txt",
algorithm: "sha256",
});
Generate Directory Hash
import { generateDirectoryHash } from 'hashtegrity';
const hash = await generateDirectoryHash({
directoryPath: "path/to/directory",
});
Validate Data Integrity
import { validateIntegrity } from 'hashtegrity';
const isValid = await validateIntegrity({
type: "data",
data: "your-data-of-any-type",
expectedHash: "4d4f638fd1c15eb71e1c7b46556c6d76cf6cc0cf1961d9e39a5fdc988a22cfe2",
algorithm: "sha256",
});
Validate File Integrity
import { validateIntegrity } from 'hashtegrity';
const isValid = await validateIntegrity({
type: "file",
filePath: "path/to/your/file.txt",
expectedHash: "4d4f638fd1c15eb71e1c7b46556c6d76cf6cc0cf1961d9e39a5fdc988a22cfe2",
algorithm: "sha256",
});
Validate Directory Integrity
import { validateIntegrity } from 'hashtegrity';
const isValid = await validateIntegrity({
type: "directory",
filePath: "path/to/your/directory",
expectedHash: "4d4f638fd1c15eb71e1c7b46556c6d76cf6cc0cf1961d9e39a5fdc988a22cfe2",
algorithm: "sha256",
});
Monitor File Integrity
import { monitorIntegrity } from 'hashtegrity';
const options = {
type: "file",
filePath: "path/to/your/file.txt",
algorithm: "sha256",
key: "your-secret-key",
metadata: { custom: "data" },
expectedHash:
"4d4f638fd1c15eb71e1c7b46556c6d76cf6cc0cf1961d9e39a5fdc988a22cfe2",
onIntegrityCheckFailed: (error) => {
console.error("Integrity check failed:", error);
},
onError: (error) => {
console.error("Error:", error);
},
};
await monitorIntegrity(options);
console.log("Monitoring started");
Monitor Directory Integrity
import { monitorIntegrity } from 'hashtegrity';
const options = {
type: "directory",
filePath: "path/to/your/directory",
algorithm: "sha256",
key: "your-secret-key",
metadata: { custom: "data" },
expectedHash:
"4d4f638fd1c15eb71e1c7b46556c6d76cf6cc0cf1961d9e39a5fdc988a22cfe2",
onIntegrityCheckFailed: (error) => {
console.error("Integrity check failed:", error);
},
onError: (error) => {
console.error("Error:", error);
},
};
await monitorIntegrity(options);
console.log("Monitoring started");
🤝 Contribution
We welcome contributions! Please see the CONTRIBUTING.md file for detailed guidelines on how to contribute.
📜 License
This project is licensed under the MIT License. See the LICENSE file for details.
Created with ❤️ by Sohab Sk