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npm · #3229 most downloaded on npm
a cryptographic utility for sealing-unsealing a JSON object using symmetric key encryption with message integrity verification
Last release 10 months ago
25 Nov 2025
Ships unpredictably
gaps range from 3 weeks to 1.5 years
Some releases are documented
notes for 16 of 31 stable releases
2 versions withdrawn
withdrawn after publishing
4 years old
33 releases · first in 2022
One column per quarter.
Refer migration guide for details. Support for Node.js < v20 is dropped.
iron-webcrypto just for base64/buffer functions. That was never the intention of this library and those methods were meant to be internal. People wanting just the utils should use something like uint8array-extras instead.Full Changelog: https://github.com/brc-dd/iron-webcrypto/compare/v1.2.1...v2.0.0
### Bug Fixes - jsr: remove slow types
### Bug Fixes - broken aes-128-ctr mode
types: it wrongfully allowed using digest algorithms in encryption options
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### Bug Fixes - deno: types not being pickup
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types: prevent false ts errors with node webcrypto
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types: emit .d.cts files and fix export map
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drop dependency on buffer and use standard uint8array
### Bug Fixes - group exports to default
### Bug Fixes - don't polyfill buffer on node
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reorder exports to move types to top
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return null if decrypted string is empty
### Bug Fixes - include module bundle
### Bug Fixes - typo in exports field
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externalize buffer and re-export all types
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rely on manual dependency injection
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