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Deactivate GCM by default

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This commit is contained in:
Tankred Hase 2016-03-24 20:47:42 +08:00
parent d95282977f
commit 72c8bf5ea7
2 changed files with 3 additions and 2 deletions
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3
README.md
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@ -21,7 +21,7 @@ OpenPGP.js [![Build Status](https://travis-ci.org/openpgpjs/openpgpjs.svg?branch
* If the user's browser supports [native WebCrypto](http://caniuse.com/#feat=cryptography) via the `window.crypto.subtle` api, this will be used. Under node.js the native [crypto module](https://nodejs.org/api/crypto.html#crypto_crypto) is used. This can be deactivated by setting `openpgp.config.useNative = false`.
* The library implements the [IETF proposal](https://tools.ietf.org/html/draft-ford-openpgp-format-00) for authenticated encryption using native AES-GCM. This makes symmetric encryption about 30x faster on supported platforms, but is currently incompatible with OpenPGP implementations like GnuPG that do not support GCM yet. You can deactivate this feature by setting `openpgp.config.aead_protect = false` for standard CFB mode.
* The library implements the [IETF proposal](https://tools.ietf.org/html/draft-ford-openpgp-format-00) for authenticated encryption using native AES-GCM provided by WebCrypto/Node. This makes symmetric encryption about 30x faster on supported platforms (with hardware acceleration). Since the specification has not been finalized and other OpenPGP implementations like GnuPG have not adopted it yet, the feature is currently hidden behind a flag. You can activate it by setting `openpgp.config.aead_protect = true`.
* For environments that don't provide native crypto, the library falls back to [asm.js](http://caniuse.com/#feat=asmjs) implementations of AES, SHA-1, and SHA-256. We use [Rusha](https://github.com/srijs/rusha) and [asmCrypto Lite](https://github.com/openpgpjs/asmcrypto-lite) (a minimal subset of asmCrypto.js built specifically for OpenPGP.js).
@ -49,6 +49,7 @@ Here are some examples of how to use the v2.x api. For more elaborate examples a
var openpgp = require('openpgp'); // use as CommonJS, AMD, ES6 module or via window.openpgp
openpgp.initWorker({ path:'openpgp.worker.js' }) // set the relative web worker path
openpgp.config.aead_protect = true // activate native AES-GCM ([see Performance](https://github.com/openpgpjs/openpgpjs#performance))
```
#### Encrypt and decrypt *String* data with a password

2
src/config/config.js
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@ -37,7 +37,7 @@ export default {
prefer_hash_algorithm: enums.hash.sha256,
encryption_cipher: enums.symmetric.aes256,
compression: enums.compression.zip,
aead_protect: true, // use Authenticated Encryption with Additional Data (AEAD) protection for symmetric encryption
aead_protect: false, // use Authenticated Encryption with Additional Data (AEAD) protection for symmetric encryption
integrity_protect: true, // use integrity protection for symmetric encryption
ignore_mdc_error: false, // fail on decrypt if message is not integrity protected
rsa_blinding: true,