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crypto: add support for the twofish cipher algorithm

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New cipher algorithms 'twofish-128', 'twofish-192' and
'twofish-256' are defined for the Twofish algorithm.
The gcrypt backend does not support 'twofish-192'.

The nettle and gcrypt cipher backends are updated to
support the new cipher and a test vector added to the
cipher test suite. The new algorithm is enabled in the
LUKS block encryption driver.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2016-02-10 17:07:42 +00:00
parent 94318522ed
commit 50f6753e27
5 changed files with 82 additions and 1 deletions
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6
qapi/crypto.json
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@ -63,6 +63,9 @@
# @serpent-128: Serpent with 128 bit / 16 byte keys
# @serpent-192: Serpent with 192 bit / 24 byte keys
# @serpent-256: Serpent with 256 bit / 32 byte keys
# @twofish-128: Twofish with 128 bit / 16 byte keys
# @twofish-192: Twofish with 192 bit / 24 byte keys
# @twofish-256: Twofish with 256 bit / 32 byte keys
# Since: 2.6
##
{ 'enum': 'QCryptoCipherAlgorithm',
@ -70,7 +73,8 @@
'data': ['aes-128', 'aes-192', 'aes-256',
'des-rfb',
'cast5-128',
'serpent-128', 'serpent-192', 'serpent-256']}
'serpent-128', 'serpent-192', 'serpent-256',
'twofish-128', 'twofish-192', 'twofish-256']}
##