arno/YubiKey-Guide
1
0
Fork 0
mirror of https://github.com/drduh/YubiKey-Guide.git synced 2024-12-22 21:58:06 +00:00
Code Issues Releases Wiki Activity

Merge pull request #40 from peckeltw/master

Browse Source 
emphasize 2048 bit as the correct key size for the YubiKey Neo
This commit is contained in:
drduh 2017-12-12 10:44:46 -08:00 committed by GitHub
commit a94b2b2a1a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
README.md
View File

@ -4,7 +4,7 @@ An authentication key can also be created for SSH and used with [gpg-agent](http
Keys stored on a smartcard like YubiKey seem more difficult to steal than ones stored on disk, and are convenient for everyday use.
Instructions written for Debian GNU/Linux 8 (jessie) using YubiKey 4 in OTP+CCID mode, updated to GPG version 2.2.1. Some notes are included for macOS as well. Note, older YubiKeys are limited to 2048 bit RSA keys.
Instructions written for Debian GNU/Linux 8 (jessie) using YubiKey 4 - with support for **4096 bit** RSA keys - in OTP+CCID mode, updated to GPG version 2.2.1. Some notes are included for macOS as well. Note, older YubiKeys like the Neo are limited to **2048 bit** RSA keys. Please see a comparison of the different YubiKeys [here](https://www.yubico.com/products/yubikey-hardware/compare-yubikeys/).
Debian live install images are available from [here](https://www.debian.org/CD/live/) and are suitable for writing to USB drives.
@ -252,6 +252,8 @@ Export the key ID as a [variable](https://stackoverflow.com/questions/1158091/de
## Create subkeys
Note: If using a Yubikey 4, please use **4096 bit** as the size for the subkeys; if using a YubiKey Neo, please use **2048 bit** as the size for the subkeys.
Edit the key to add subkeys:
$ gpg --expert --edit-key $KEYID