The Call of the Open Sidewalk

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

User Tools

Site Tools


pgpfan:mdc

Differences

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

Link to this comparison view

Both sides previous revision Previous revision
pgpfan:mdc [2022/05/28 20:14]
b.walzer Typo
pgpfan:mdc [2022/05/28 20:54] (current)
b.walzer [A Less Intuitive, More Technical Explanation] Awkward phrasing
Line 60: Line 60:
 =====A Less Intuitive, More Technical Explanation===== =====A Less Intuitive, More Technical Explanation=====
  
-OCFB-MDC is a case of hash then encrypt. The cipher block mode used is the modified version of cipher feedback used by OpenPGP (OCFB). The modification is+OCFB-MDC is a case of hash then encrypt. The cipher block mode is the modified version of cipher feedback used by OpenPGP (OCFB). The modification is
 the addition of a prefix block consisting of random data. The traditional CFB initialization vector (IV) is replaced by the encryption of a block of zeros. the addition of a prefix block consisting of random data. The traditional CFB initialization vector (IV) is replaced by the encryption of a block of zeros.
 This serves to prevent an attacker from being able to get access to either the IV or the plaintext value of the random data prefix block. This serves to prevent an attacker from being able to get access to either the IV or the plaintext value of the random data prefix block.
pgpfan/mdc.txt ยท Last modified: 2022/05/28 20:54 by b.walzer