The Call of the Open Sidewalk

From a place slightly to the side of the more popular path

User Tools

Site Tools


pgpfan:no_new_ae

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
pgpfan:no_new_ae [2022/07/18 22:38] – [Decrypting large files should not result in the release of suspect data] Minor consistency fix b.walzerpgpfan:no_new_ae [2022/07/18 22:50] (current) – [The MDC can be stripped] hrule to signal end of section b.walzer
Line 68: Line 68:
  
 If the receiver requires the MDC of the integrity checked version of the message then it can't accept the non-integrity checked version no matter where it comes from. It makes no real difference in practice if it has been downgraded. If the receiver requires the MDC of the integrity checked version of the message then it can't accept the non-integrity checked version no matter where it comes from. It makes no real difference in practice if it has been downgraded.
 +
 +----
  
 The rest of this article will assume that OCFB-MDC is cryptographically secure. If you, the reader, disagree then please demonstrate a modification not caught by the MDC check and save us all a lot of time and trouble. Some theoretical preference for one method over another would of been good 20 years ago but at this point we would have to break it to discredit it. This is a very good conclusion. It means that the OCFB-MDC message format does not have to change or be replaced. The very best outcome of an attempt to change a long established standard is the realization that the standard is fine as it is. The rest of this article will assume that OCFB-MDC is cryptographically secure. If you, the reader, disagree then please demonstrate a modification not caught by the MDC check and save us all a lot of time and trouble. Some theoretical preference for one method over another would of been good 20 years ago but at this point we would have to break it to discredit it. This is a very good conclusion. It means that the OCFB-MDC message format does not have to change or be replaced. The very best outcome of an attempt to change a long established standard is the realization that the standard is fine as it is.
pgpfan/no_new_ae.txt · Last modified: 2022/07/18 22:50 by b.walzer