generic-library/openssl
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Rephrase statement on the security of two-key 3DES.

Browse Source 
[Chosen plaintext attack: R. Merkle, M. Hellman: "On the Security of
  Multiple Encryption", CACM 24 (1981) pp. 465-467, p. 776.

  Known plaintext angriff: P.C. van Oorschot, M. Wiener: "A
  known-plaintext attack on two-key triple encryption", EUROCRYPT '90.]
This commit is contained in:
Bodo Möller 2002-03-05 15:29:30 +00:00
parent 870694b3da
commit 2c17323e15
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
doc/crypto/des_modes.pod
View File

@ -204,8 +204,8 @@ just one key.
=item *
If the first and last key are the same, the key length is 112 bits.
There are attacks that could reduce the key space to 55 bit's but it
requires 2^56 blocks of memory.
There are attacks that could reduce the effective key strength
to only slightly more than 56 bits, but these require a lot of memory.
=item *