Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[5.0.0] - 2025-11-26

🚀 Major Rewrite

Complete rewrite replacing node-forge with modern @peculiar/x509 and pkijs libraries.

✨ Added

Native WebCrypto API support for better performance and security
TypeScript examples in documentation
Async/await support as the primary API
Support for keyPair option to use existing keys
Updated to use Node.js native crypto for all operations
Separate selfsigned/pkcs7 module for tree-shakeable PKCS#7 support

💥 BREAKING CHANGES

Async-only API: The generate() function now returns a Promise. Synchronous generation has been removed.

// Old (v4.x)
const pems = selfsigned.generate(attrs, options);

// New (v5.x)
const pems = await selfsigned.generate(attrs, options);

No callback support: Callbacks have been completely removed in favor of Promises.

// Old (v4.x)
selfsigned.generate(attrs, options, function(err, pems) { ... });

// New (v5.x)
const pems = await selfsigned.generate(attrs, options);

Minimum Node.js version: Now requires Node.js >= 15.6.0 (was >= 10)
- Required for native WebCrypto support
Dependencies changed:
- ❌ Removed: node-forge (1.64 MB)
- ✅ Added: @peculiar/x509 (551 KB) - 66% smaller!
- ✅ Added: pkijs (1.94 MB, only for PKCS#7 support)
- Bundle size reduced by 66% when not using PKCS#7
PKCS#7 API changed:
- Old: const pems = await generate(attrs, { pkcs7: true }); pems.pkcs7
- New: const { createPkcs7 } = require('selfsigned/pkcs7'); const pkcs7 = createPkcs7(pems.cert);
- PKCS#7 is now a separate module for better tree-shaking

🔧 Changed

Default key size remains 2048 bits (was incorrectly documented as 1024)
PEM output uses \n line endings (was \r\n)
Private keys now use PKCS#8 format (BEGIN PRIVATE KEY instead of BEGIN RSA PRIVATE KEY)
Certificate generation is now fully async using native WebCrypto
PKCS#7 is now tree-shakeable: Moved to separate selfsigned/pkcs7 module so bundlers can exclude it when not used

🐛 Fixed

Default key size documentation corrected from 1024 to 2048 bits
Improved error handling for certificate generation failures

📦 Dependencies

Removed:

node-forge@^1.3.1
@types/node-forge@^1.3.0

Added:

@peculiar/x509@^1.14.2 (required)
pkijs@^3.3.3 (required, but tree-shakeable via separate selfsigned/pkcs7 module)

🔒 Security

Now uses Node.js native WebCrypto API instead of JavaScript implementation
Better integration with platform security features
More secure random number generation

📚 Documentation

Complete README rewrite with async/await examples
Added migration guide from v4.x to v5.x
Updated all code examples to use async/await
Added requirements section highlighting Node.js version requirement

[4.0.0] - Previous Release

See git history for changes in 4.x and earlier versions.

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