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All yubikey 4 support 4096 for GPG. If you use pgp auth key and gpg-agent for ssh, this is ok. The yubikey also supports PIV. There you still can only use 2048

by nickik 10y ago

All yubikey 4 support 4096 for GPG. If you use pgp auth key and gpg-agent for ssh, this is ok. The yubikey also supports PIV. There you still can only use 2048.