factor

Author	SHA1	Message	Date
Doug Coleman	b352bbdc12	move sha1 and sha2 to checksums.sha, update usages	2009-05-17 17:58:36 -05:00
Doug Coleman	e342082722	fix sha1	2009-05-17 17:50:31 -05:00
Doug Coleman	ee6a8e78e7	generalize sha1-interleave and move it to its own vocabulary	2009-05-17 13:49:56 -05:00