tree 85952ee981f3c970cb95b2f72a5c342c748a9e0c
parent 0c383bf00afbef1a9cfe02829d1bc6ee46e1c16b
author Michael Brown <mcb30@ipxe.org> 1666635641 +0100
committer Michael Brown <mcb30@ipxe.org> 1666700490 +0100

[crypto] Add concept of authentication tag to cipher algorithms

Some ciphers (such as GCM) support the concept of a tag that can be
used to authenticate the encrypted data.  Add a cipher method for
generating an authentication tag.

Signed-off-by: Michael Brown <mcb30@ipxe.org>