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* Refactor Pickle Read methods to use higher performance PickleIterator.jbates@chromium.org2012-03-071-8/+7
| | | | | | | | | | | | | | | | There was a lot of redundant error checking and initialization code in all Pickle Read methods because of the void** iterator type. This change replaces the void* iterator with PickleIterator, which encapsulates the read pointer so that less error checking and initialization code is needed for reading. PickleIterator has all the necessary data to do the actual reading. The advantage of having it provide Read methods (as opposed to leaving them solely in the Pickle interface) is that the callers do not need to pass around the const Pickle* once they have a PickleIterator. Followup CLs will refactor the call sites to remove const Pickle* arguments where they are now unnecessary. Then the Pickle::Read* methods can be removed entirely. The alternative approach would have been to change the Pickle::Read methods to non-const and remove the iterator parameter (making Read methods advance an internal read pointer). Unfortunately, the const Read with iterator design is entrenched throughout the chromium code, making this a much more complex change with the same performance outcome. BUG=13108 Review URL: https://chromiumcodereview.appspot.com/9447084 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@125447 0039d316-1c4b-4281-b951-d872f2087c98
* Added serialization to SecureHash.ahendrickson@chromium.org2011-11-191-0/+49
| | | | | | | | | | | | These will be used to resume hash generation when a download is interrupted and later resumed. BUG=None. TEST=SecureHashTest.TestSerialization Review URL: http://codereview.chromium.org/8588057 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110842 0039d316-1c4b-4281-b951-d872f2087c98
* Move crypto files out of base, to a top level directory.rvargas@google.com2011-04-141-0/+53
src/crypto is now an independent project that contains our cryptographic primitives (except md5 and sha1). This removes the base dependency from nss, openssl and sqlite. BUG=76996 TEST=none Review URL: http://codereview.chromium.org/6805019 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@81611 0039d316-1c4b-4281-b951-d872f2087c98