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2019-07-19crypto: Fix LGPL information in the file headersThomas Huth
It's either "GNU *Library* General Public License version 2" or "GNU Lesser General Public License version *2.1*", but there was no "version 2.0" of the "Lesser" license. So assume that version 2.1 is meant here. Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2017-07-19crypto: hash: add hash driver frameworkLongpeng(Mike)
1) makes the public APIs in hash-nettle/gcrypt/glib static, and rename them with "nettle/gcrypt/glib" prefix. 2) introduces hash framework, including QCryptoHashDriver and new public APIs. Reviewed-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-07-21crypto: don't open-code qcrypto_hash_supportsDaniel P. Berrange
Call the existing qcrypto_hash_supports method from qcrypto_hash_bytesv instead of open-coding it again. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-07-12Use #include "..." for our own headers, <...> for othersMarkus Armbruster
Tracked down with an ugly, brittle and probably buggy Perl script. Also move includes converted to <...> up so they get included before ours where that's obviously okay. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-04crypto: implement sha224, sha384, sha512 and ripemd160 hashesDaniel P. Berrange
Wire up the nettle and gcrypt hash backends so that they can support the sha224, sha384, sha512 and ripemd160 hash algorithms. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-07-04crypto: switch hash code to use nettle/gcrypt directlyDaniel P. Berrange
Currently the internal hash code is using the gnutls hash APIs. GNUTLS in turn is wrapping either nettle or gcrypt. Not only were the GNUTLS hash APIs not added until GNUTLS 2.9.10, but they don't expose support for all the algorithms QEMU needs to use with LUKS. Address this by directly wrapping nettle/gcrypt in QEMU and avoiding GNUTLS's extra layer of indirection. This gives us support for hash functions on a much wider range of platforms and opens up ability to support more hash functions. It also avoids a GNUTLS bug which would not correctly handle hashing of large data blocks if int != size_t. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>