Go to main content

man pages section 4: Device and Network Interfaces

Exit Print View

Updated: Friday, August 13, 2021
 
 

vtioentropy(4D)

Name

vtioentropy - Virtio entropy driver

Description

The vtioentropy plugin for the Cryptographic Framework uses the Virtio Entropy Device to provide entropy to the kernel random pools.

The vtioentropy provider is not enabled by default and must be enabled using the cryptoadm command if the Virtio Entropy Device is provided by the host.

OPERATION

Use the cryptoadm command to enable or disable the vtioentropy provider.

To enable the vtioentropy entropy provider plugin:

# cryptoadm enable provider=vtioentropy random

To disable the use of vtioentropy plugin for entropy:

# cryptoadm disable provider=vtioentropy random

Check the status of the vtioentropy provider:

$ cryptoadm list -p provider=vtioentropy

Examples

Example 1 Checking the policy of the vtioentropy provider:
# cryptoadm list -p provider=vtioentropy
vtioentropy: random is enabled.

Files

/kernel/drv/vtioentropy.conf

Driver configuration file.

/kernel/drv/amd64/vtioentropy

x86 kernel module.

Attributes

See attributes(7) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Availability
driver/crypto/vtioentropy
Architecture
x86
Interface Stability
Committed

See Also

attributes(7), cryptoadm(8), vtio(4D)

Managing Encryption and Certificates in Oracle Solaris 11.4

Virtio I/O Device (VIRTIO) Version 1.1, Committee Specification 01

https://docs.oasis-open.org/virtio/virtio/v1.1/virtio-v1.1.html