Re: how to encrypt and integrity-check with only one key

2009-09-15 Thread David-Sarah Hopwood
Zooko Wilcox-O'Hearn wrote: following-up to my own post: On Monday,2009-09-14, at 10:22 , Zooko Wilcox-O'Hearn wrote: David-Sarah Hopwood suggested the improvement that the integrity-check value V could be computed as an integrity check (i.e. a secure hash) on the K1_enc in addition to

Re: how to encrypt and integrity-check with only one key

2009-09-14 Thread Zooko Wilcox-O'Hearn
following-up to my own post: On Monday,2009-09-14, at 10:22 , Zooko Wilcox-O'Hearn wrote: David-Sarah Hopwood suggested the improvement that the integrity- check value V could be computed as an integrity check (i.e. a secure hash) on the K1_enc in addition to the file contents. Oops,