On Oct 1, 2009, at 16:46, Perry E. Metzger wrote:
It is also completely impossible to prove you've deleted a
record. Someone who can read the record can always make a copy of
it. Cryptography can't fix the DRM problem.
Sorry, I should have clarified that. We don't want to verify that Bob
It is also completely impossible to prove you've deleted a
record. Someone who can read the record can always make a copy
of it. Cryptography can't fix the DRM problem.
If, and only if, the document lives solely within an
airtight surveillance system, then it is possible to
prove
Stephan Neuhaus neuh...@st.cs.uni-sb.de writes:
On Oct 1, 2009, at 16:46, Perry E. Metzger wrote:
It is also completely impossible to prove you've deleted a
record. Someone who can read the record can always make a copy of
it. Cryptography can't fix the DRM problem.
Sorry, I should have
